7adad9ddbb7d2a67850f7eb3939b7bb3982ec79d842973539f0101a0e75a5294

Analysis

max time kernel
247s
max time network
459s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 23:56

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General

Target

MirServer/LogServer/lpk.dll
Size

42KB
MD5

4d691ae646b320e04bc2f5db3c245eb4
SHA1

e55533b8f117ed5cf0248f633c0e7f69d5226df6
SHA256

ddf7073e755dd661565e8eb7b892372dc48a55fde09b1f07cda6e47ce7f8d650
SHA512

39f83db56c34c7a7f6d8dab0d2b073447276cb94dfd52c678fbd7a858c33de490fb1249d8d8c55114494fd1f01d07ca43defa210cc6926159c3a51e0f6992699
SSDEEP

768:ZojY9PqwzZNfYoMQxcttCIl1GRPKjECdVojY9P9:smlXPgtZTxECdAmF

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

hrlF3E1.tmptefxwo.exe

pid process

1204 hrlF3E1.tmp
932 tefxwo.exe
Loads dropped DLL 3 IoCs

Processes:

rundll32.exetefxwo.exe

pid process

1952 rundll32.exe
1952 rundll32.exe
932 tefxwo.exe

pid	process
1204	hrlF3E1.tmp
932	tefxwo.exe

pid	process
1952	rundll32.exe
1952	rundll32.exe
932	tefxwo.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

tefxwo.exe

description	ioc	process
File opened (read-only)	\??\G:	tefxwo.exe
File opened (read-only)	\??\J:	tefxwo.exe
File opened (read-only)	\??\L:	tefxwo.exe
File opened (read-only)	\??\V:	tefxwo.exe
File opened (read-only)	\??\I:	tefxwo.exe
File opened (read-only)	\??\M:	tefxwo.exe
File opened (read-only)	\??\P:	tefxwo.exe
File opened (read-only)	\??\T:	tefxwo.exe
File opened (read-only)	\??\W:	tefxwo.exe
File opened (read-only)	\??\Z:	tefxwo.exe
File opened (read-only)	\??\K:	tefxwo.exe
File opened (read-only)	\??\N:	tefxwo.exe
File opened (read-only)	\??\Q:	tefxwo.exe
File opened (read-only)	\??\S:	tefxwo.exe
File opened (read-only)	\??\U:	tefxwo.exe
File opened (read-only)	\??\X:	tefxwo.exe
File opened (read-only)	\??\E:	tefxwo.exe
File opened (read-only)	\??\F:	tefxwo.exe
File opened (read-only)	\??\H:	tefxwo.exe
File opened (read-only)	\??\O:	tefxwo.exe
File opened (read-only)	\??\R:	tefxwo.exe
File opened (read-only)	\??\Y:	tefxwo.exe

Drops file in System32 directory 4 IoCs

Processes:

hrlF3E1.tmptefxwo.exe

description	ioc	process
File created	C:\Windows\SysWOW64\tefxwo.exe	hrlF3E1.tmp
File opened for modification	C:\Windows\SysWOW64\tefxwo.exe	hrlF3E1.tmp
File created	C:\Windows\SysWOW64\hra33.dll	tefxwo.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	tefxwo.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

tefxwo.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = e01cf3889101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 204c918a9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000010000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 60f520999101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = c005297b9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = e05f7a829101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 208f18849101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000009000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = a0aacd8d9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = e0d96b8f9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 40c3bc9a9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 005ff49d9101d901	tefxwo.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionReason = "1"	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	tefxwo.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000007000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 20090a919101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = e096e4959101d901	tefxwo.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = c005297b9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 204c918a9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000d000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 20090a919101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = e096e4959101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 40c3bc9a9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000015000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	tefxwo.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = a0aacd8d9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 20c682979101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000016000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = a030dc809101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000a000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = e05f7a829101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = e01cf3889101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 607b2f8c9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 6038a8929101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = a06746949101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 005ff49d9101d901	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\2a-f5-3a-f3-4f-fc	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	tefxwo.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecision = "0"	tefxwo.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	tefxwo.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDetectedUrl	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = a030dc809101d901	tefxwo.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000c000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 408e929f9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000012000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = 607b2f8c9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2a-f5-3a-f3-4f-fc\WpadDecisionTime = a0ed54879101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000e000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = 408e929f9101d901	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000008000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 460000000f000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f004f000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	tefxwo.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	tefxwo.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6593A80B-747C-4EF0-919F-EEA9710F141A}\WpadDecisionTime = a0ed54879101d901	tefxwo.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

hrlF3E1.tmp

description pid process

Token: SeIncBasePriorityPrivilege 1204 hrlF3E1.tmp

description	pid	process
Token: SeIncBasePriorityPrivilege	1204	hrlF3E1.tmp

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

rundll32.exerundll32.exehrlF3E1.tmp

description	pid	process	target process
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 668 wrote to memory of 1952	668	rundll32.exe	rundll32.exe
PID 1952 wrote to memory of 1204	1952	rundll32.exe	hrlF3E1.tmp
PID 1952 wrote to memory of 1204	1952	rundll32.exe	hrlF3E1.tmp
PID 1952 wrote to memory of 1204	1952	rundll32.exe	hrlF3E1.tmp
PID 1952 wrote to memory of 1204	1952	rundll32.exe	hrlF3E1.tmp
PID 1204 wrote to memory of 1684	1204	hrlF3E1.tmp	cmd.exe
PID 1204 wrote to memory of 1684	1204	hrlF3E1.tmp	cmd.exe
PID 1204 wrote to memory of 1684	1204	hrlF3E1.tmp	cmd.exe
PID 1204 wrote to memory of 1684	1204	hrlF3E1.tmp	cmd.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MirServer\LogServer\lpk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MirServer\LogServer\lpk.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp
    C:\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1204
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp > nul
      4⤵
      PID:1684

C:\Windows\SysWOW64\tefxwo.exe
C:\Windows\SysWOW64\tefxwo.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:932

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
C:\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
C:\Windows\SysWOW64\tefxwo.exe

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
C:\Windows\SysWOW64\tefxwo.exe

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
\Users\Admin\AppData\Local\Temp\hrlF3E1.tmp

Filesize
34KB

MD5
2d53ee91ed80e8a5a0134a7b7bc8097c

SHA1
a8df996004f0bae739b8d1a15a8fcc1d868d34e2

SHA256
88127c1ca940b5e087cb124f942761bffdefe2c73e4574570f1f914224083cf2

SHA512
ca70ee3311bd3b20f15776390fd3c5f0e438bba65669caf56e95cc94ed6ae17d4d7a9866908bfa5aa1732cd5fd56d269c4836b1754fdf718e3d6d8ea5a9e4e14

Download Submit
\Windows\SysWOW64\hra33.dll

Filesize
42KB

MD5
4d691ae646b320e04bc2f5db3c245eb4

SHA1
e55533b8f117ed5cf0248f633c0e7f69d5226df6

SHA256
ddf7073e755dd661565e8eb7b892372dc48a55fde09b1f07cda6e47ce7f8d650

SHA512
39f83db56c34c7a7f6d8dab0d2b073447276cb94dfd52c678fbd7a858c33de490fb1249d8d8c55114494fd1f01d07ca43defa210cc6926159c3a51e0f6992699

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memory/1204-58-0x0000000000000000-mapping.dmp

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memory/1684-64-0x0000000000000000-mapping.dmp

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memory/1952-54-0x0000000000000000-mapping.dmp

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memory/1952-55-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

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