a12357958143a56fc6361cdd1ff2ed46e17935a249cbd2c0e0bd64ff473c86cd

Analysis

max time kernel
147s
max time network
155s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13-07-2024 13:51

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General

Target

0022910b9779b05f816cfa667baa25c0N.exe
Size

153KB
MD5

0022910b9779b05f816cfa667baa25c0
SHA1

71302c29a6fb5f5267b19643922fcc5f705d5183
SHA256

a12357958143a56fc6361cdd1ff2ed46e17935a249cbd2c0e0bd64ff473c86cd
SHA512

b4fa49f1843068373036c2aa5e066e187ea8c7d39bae55478d05f72e6615ed5e1de92c446ba70566852c836d95639d97c6ead72e7e076d26b321cc24fe59c085
SSDEEP

3072:YwclDUIQkY7OWuorTiabmCQIMP+/qK2YNJyC05X3rwbaV0O:aAyWuoruemz2CYNJ63rlV0O

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1544	NetMeeting.exe

Loads dropped DLL 11 IoCs

pid	Process
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
2440	rundll32.exe
2440	rundll32.exe
2440	rundll32.exe
2440	rundll32.exe
1112	rundll32.exe
1112	rundll32.exe
1112	rundll32.exe
1112	rundll32.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Hardware Profile = "C:\\Windows\\system32\\hxdef.exe"	0022910b9779b05f816cfa667baa25c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VFW Encoder/Decoder Settings = "RUNDLL32.EXE MSSIGN30.DLL ondll_reg"	0022910b9779b05f816cfa667baa25c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft NetMeeting Associates, Inc. = "NetMeeting.exe"	0022910b9779b05f816cfa667baa25c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\runServices\SystemTra = "C:\\Windows\\SysTra.EXE"	0022910b9779b05f816cfa667baa25c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\runServices\COM++ System = "svchost.exe"	0022910b9779b05f816cfa667baa25c0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Shell Extension = "C:\\Windows\\system32\\spollsv.exe"	NetMeeting.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Protected Storage = "RUNDLL32.EXE MSSIGN30.DLL ondll_reg"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WinHelp = "C:\\Windows\\system32\\TkBellExe.exe"	0022910b9779b05f816cfa667baa25c0N.exe

Enumerates connected drives 3 TTPs 21 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

description	ioc	Process
File opened (read-only)	\??\I:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\K:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\O:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\R:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\S:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\T:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\Y:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\G:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\H:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\V:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\W:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\X:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\J:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\L:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\N:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\U:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\E:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\M:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\P:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\Q:	0022910b9779b05f816cfa667baa25c0N.exe
File opened (read-only)	\??\Z:	0022910b9779b05f816cfa667baa25c0N.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\AUTORUN.INF	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\AUTORUN.INF	0022910b9779b05f816cfa667baa25c0N.exe

Drops file in System32 directory 14 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\TkBellExe.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\RAVMOND.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\NetMeeting.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\IEXPLORE.EXE	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\spollsv.exe	NetMeeting.exe
File opened for modification	C:\Windows\SysWOW64\TkBellExe.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\Update_OB.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\hxdef.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\kernel66.dll	0022910b9779b05f816cfa667baa25c0N.exe
File opened for modification	C:\Windows\SysWOW64\spollsv.exe	NetMeeting.exe
File opened for modification	C:\Windows\SysWOW64\kernel66.dll	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\ODBC16.dll	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\msjdbc11.dll	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SysWOW64\MSSIGN30.DLL	0022910b9779b05f816cfa667baa25c0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	0022910b9779b05f816cfa667baa25c0N.exe
File created	C:\Windows\SYSTRA.EXE	0022910b9779b05f816cfa667baa25c0N.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
676	2012	WerFault.exe	29

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "Update_OB.exe %1"	0022910b9779b05f816cfa667baa25c0N.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
2012	0022910b9779b05f816cfa667baa25c0N.exe
1112	rundll32.exe
1112	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1544	NetMeeting.exe
1544	NetMeeting.exe

Suspicious use of WriteProcessMemory 52 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2132	2012	0022910b9779b05f816cfa667baa25c0N.exe	30
PID 2012 wrote to memory of 2132	2012	0022910b9779b05f816cfa667baa25c0N.exe	30
PID 2012 wrote to memory of 2132	2012	0022910b9779b05f816cfa667baa25c0N.exe	30
PID 2012 wrote to memory of 2132	2012	0022910b9779b05f816cfa667baa25c0N.exe	30
PID 2012 wrote to memory of 2720	2012	0022910b9779b05f816cfa667baa25c0N.exe	32
PID 2012 wrote to memory of 2720	2012	0022910b9779b05f816cfa667baa25c0N.exe	32
PID 2012 wrote to memory of 2720	2012	0022910b9779b05f816cfa667baa25c0N.exe	32
PID 2012 wrote to memory of 2720	2012	0022910b9779b05f816cfa667baa25c0N.exe	32
PID 2132 wrote to memory of 2808	2132	net.exe	33
PID 2132 wrote to memory of 2808	2132	net.exe	33
PID 2132 wrote to memory of 2808	2132	net.exe	33
PID 2132 wrote to memory of 2808	2132	net.exe	33
PID 2720 wrote to memory of 2916	2720	net.exe	35
PID 2720 wrote to memory of 2916	2720	net.exe	35
PID 2720 wrote to memory of 2916	2720	net.exe	35
PID 2720 wrote to memory of 2916	2720	net.exe	35
PID 2012 wrote to memory of 1072	2012	0022910b9779b05f816cfa667baa25c0N.exe	36
PID 2012 wrote to memory of 1072	2012	0022910b9779b05f816cfa667baa25c0N.exe	36
PID 2012 wrote to memory of 1072	2012	0022910b9779b05f816cfa667baa25c0N.exe	36
PID 2012 wrote to memory of 1072	2012	0022910b9779b05f816cfa667baa25c0N.exe	36
PID 1072 wrote to memory of 2852	1072	net.exe	38
PID 1072 wrote to memory of 2852	1072	net.exe	38
PID 1072 wrote to memory of 2852	1072	net.exe	38
PID 1072 wrote to memory of 2852	1072	net.exe	38
PID 2012 wrote to memory of 2232	2012	0022910b9779b05f816cfa667baa25c0N.exe	39
PID 2012 wrote to memory of 2232	2012	0022910b9779b05f816cfa667baa25c0N.exe	39
PID 2012 wrote to memory of 2232	2012	0022910b9779b05f816cfa667baa25c0N.exe	39
PID 2012 wrote to memory of 2232	2012	0022910b9779b05f816cfa667baa25c0N.exe	39
PID 2012 wrote to memory of 1544	2012	0022910b9779b05f816cfa667baa25c0N.exe	40
PID 2012 wrote to memory of 1544	2012	0022910b9779b05f816cfa667baa25c0N.exe	40
PID 2012 wrote to memory of 1544	2012	0022910b9779b05f816cfa667baa25c0N.exe	40
PID 2012 wrote to memory of 1544	2012	0022910b9779b05f816cfa667baa25c0N.exe	40
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 2440	2012	0022910b9779b05f816cfa667baa25c0N.exe	41
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 2012 wrote to memory of 1112	2012	0022910b9779b05f816cfa667baa25c0N.exe	42
PID 1112 wrote to memory of 2012	1112	rundll32.exe	29
PID 1112 wrote to memory of 2012	1112	rundll32.exe	29
PID 2012 wrote to memory of 676	2012	0022910b9779b05f816cfa667baa25c0N.exe	43
PID 2012 wrote to memory of 676	2012	0022910b9779b05f816cfa667baa25c0N.exe	43
PID 2012 wrote to memory of 676	2012	0022910b9779b05f816cfa667baa25c0N.exe	43
PID 2012 wrote to memory of 676	2012	0022910b9779b05f816cfa667baa25c0N.exe	43

C:\Users\Admin\AppData\Local\Temp\0022910b9779b05f816cfa667baa25c0N.exe
"C:\Users\Admin\AppData\Local\Temp\0022910b9779b05f816cfa667baa25c0N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop "Symantec AntiVirus Client"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Symantec AntiVirus Client"
    3⤵
    PID:2808
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop "Symantec AntiVirus Server"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Symantec AntiVirus Server"
    3⤵
    PID:2916
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop "Rising Realtime Monitor Service"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1072
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop "Rising Realtime Monitor Service"
    3⤵
    PID:2852
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2232
- C:\Windows\SysWOW64\NetMeeting.exe
  "C:\Windows\System32\NetMeeting.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  PID:1544
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" ODBC16.dll ondll_install
  2⤵
  - Loads dropped DLL
  PID:2440
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\System32\rundll32.exe" ODBC16.dll ondll_reg
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 616
  2⤵
  - Program crash
  PID:676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\IEXPLORE.EXE

Filesize
153KB

MD5
0022910b9779b05f816cfa667baa25c0

SHA1
71302c29a6fb5f5267b19643922fcc5f705d5183

SHA256
a12357958143a56fc6361cdd1ff2ed46e17935a249cbd2c0e0bd64ff473c86cd

SHA512
b4fa49f1843068373036c2aa5e066e187ea8c7d39bae55478d05f72e6615ed5e1de92c446ba70566852c836d95639d97c6ead72e7e076d26b321cc24fe59c085

Download Submit
\Windows\SysWOW64\NetMeeting.exe

Filesize
60KB

MD5
068ab7aff165eaf4a6b5d1f5efc5779d

SHA1
73a804514776dfd459eeff5fe00a0d6fab0af268

SHA256
c0c8e4b525a79261a08fe87507f0c0e3bbe4b8f5e78c9a8d4b26bba4077d2708

SHA512
6053cd554427ebef13a7d405309b9ce3d675d81e389632e80b28bac7b0e1e7dc1913fee8dcfbc624ed091d62eeab51ad41d9124463548be9d32b8d33911b50ee

Download Submit
\Windows\SysWOW64\ODBC16.dll

Filesize
52KB

MD5
7d72bf5a3f74ddeb5a7a384a1f73be80

SHA1
2c7041e8b997996720772ed15ec5e978e3074795

SHA256
1e69e7b29420d2fc935664a76ee7015c53d8155c8d624258c30d4ed17a2bebff

SHA512
0652753b4fd5a1bad738b2299f00d0231c0a136c670278299e409624c6ed423ab66e0400814e20ffbbca87c75d60f1c893819c02cde372f99b584eba3d5c72d7

Download Submit
memory/1112-40-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/2012-0-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2012-41-0x0000000002A10000-0x0000000002A1A000-memory.dmp

Filesize
40KB

Download
memory/2012-43-0x0000000002A20000-0x0000000002A21000-memory.dmp

Filesize
4KB

Download
memory/2012-44-0x0000000002A10000-0x0000000002A1A000-memory.dmp

Filesize
40KB

Download
memory/2012-46-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download
memory/2440-35-0x0000000010000000-0x0000000010026000-memory.dmp

Filesize
152KB

Download