17e75f28d1566e91fc1e91a7782da24b1cf215fb7d5c2dfd746d7d4808049318

Analysis

max time kernel
152s
max time network
135s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 19:06

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General

Target

d98f926f3a2ea1308e2d80705591f91b_JC.exe
Size

472KB
MD5

d98f926f3a2ea1308e2d80705591f91b
SHA1

badd7d2f741c15d58139a1ebc3ac0f5152f195b1
SHA256

17e75f28d1566e91fc1e91a7782da24b1cf215fb7d5c2dfd746d7d4808049318
SHA512

eac1f64906642702597a2952ab5817ff632d8aa1ebfb7a0dd759e6cff4309764621fd41abb03f703fe28bf564266c5e7d426df053fc8c4a75fc1ee9961a88338
SSDEEP

6144:Wf+Jjjou35J6i5plrzuo6/LkeYvjoIHnv0RX/VwFdLD/7MsrYMC+9GXL9M8sG3dR:hj8u3ui5pl+uBvc/V0FdYxJdRqMt

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2528	LSASS.exe
884	LSASS.exe

Loads dropped DLL 2 IoCs

pid	Process
2528	LSASS.exe
2528	LSASS.exe

Adds Run key to start application 2 TTPs 10 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\SysUtils = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d98f926f3a2ea1308e2d80705591f91b_JC.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d98f926f3a2ea1308e2d80705591f91b_JC.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.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)	\??\E:	LSASS.exe
File opened (read-only)	\??\P:	LSASS.exe
File opened (read-only)	\??\R:	LSASS.exe
File opened (read-only)	\??\V:	LSASS.exe
File opened (read-only)	\??\Z:	LSASS.exe
File opened (read-only)	\??\G:	LSASS.exe
File opened (read-only)	\??\K:	LSASS.exe
File opened (read-only)	\??\M:	LSASS.exe
File opened (read-only)	\??\N:	LSASS.exe
File opened (read-only)	\??\O:	LSASS.exe
File opened (read-only)	\??\Q:	LSASS.exe
File opened (read-only)	\??\S:	LSASS.exe
File opened (read-only)	\??\X:	LSASS.exe
File opened (read-only)	\??\Y:	LSASS.exe
File opened (read-only)	\??\I:	LSASS.exe
File opened (read-only)	\??\L:	LSASS.exe
File opened (read-only)	\??\W:	LSASS.exe
File opened (read-only)	\??\H:	LSASS.exe
File opened (read-only)	\??\J:	LSASS.exe
File opened (read-only)	\??\T:	LSASS.exe
File opened (read-only)	\??\U:	LSASS.exe

Drops autorun.inf file 1 TTPs 4 IoCs

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

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	LSASS.exe
File opened for modification	C:\autorun.inf	LSASS.exe
File created	F:\autorun.inf	LSASS.exe
File opened for modification	F:\autorun.inf	LSASS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LSASS.exe	LSASS.exe
File created	C:\Windows\LSASS.exe	d98f926f3a2ea1308e2d80705591f91b_JC.exe
File opened for modification	C:\Windows\LSASS.exe	d98f926f3a2ea1308e2d80705591f91b_JC.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe
2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe
2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
884	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe
2528	LSASS.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2528	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	30
PID 2860 wrote to memory of 2528	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	30
PID 2860 wrote to memory of 2528	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	30
PID 2860 wrote to memory of 2528	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	30
PID 2860 wrote to memory of 2708	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	31
PID 2860 wrote to memory of 2708	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	31
PID 2860 wrote to memory of 2708	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	31
PID 2860 wrote to memory of 2708	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	31
PID 2860 wrote to memory of 2688	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	32
PID 2860 wrote to memory of 2688	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	32
PID 2860 wrote to memory of 2688	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	32
PID 2860 wrote to memory of 2688	2860	d98f926f3a2ea1308e2d80705591f91b_JC.exe	32
PID 2528 wrote to memory of 2536	2528	LSASS.exe	35
PID 2528 wrote to memory of 2536	2528	LSASS.exe	35
PID 2528 wrote to memory of 2536	2528	LSASS.exe	35
PID 2528 wrote to memory of 2536	2528	LSASS.exe	35
PID 2528 wrote to memory of 2560	2528	LSASS.exe	36
PID 2528 wrote to memory of 2560	2528	LSASS.exe	36
PID 2528 wrote to memory of 2560	2528	LSASS.exe	36
PID 2528 wrote to memory of 2560	2528	LSASS.exe	36
PID 2528 wrote to memory of 884	2528	LSASS.exe	39
PID 2528 wrote to memory of 884	2528	LSASS.exe	39
PID 2528 wrote to memory of 884	2528	LSASS.exe	39
PID 2528 wrote to memory of 884	2528	LSASS.exe	39
PID 2528 wrote to memory of 2748	2528	LSASS.exe	40
PID 2528 wrote to memory of 2748	2528	LSASS.exe	40
PID 2528 wrote to memory of 2748	2528	LSASS.exe	40
PID 2528 wrote to memory of 2748	2528	LSASS.exe	40
PID 2528 wrote to memory of 2772	2528	LSASS.exe	41
PID 2528 wrote to memory of 2772	2528	LSASS.exe	41
PID 2528 wrote to memory of 2772	2528	LSASS.exe	41
PID 2528 wrote to memory of 2772	2528	LSASS.exe	41
PID 2528 wrote to memory of 1492	2528	LSASS.exe	44
PID 2528 wrote to memory of 1492	2528	LSASS.exe	44
PID 2528 wrote to memory of 1492	2528	LSASS.exe	44
PID 2528 wrote to memory of 1492	2528	LSASS.exe	44
PID 2528 wrote to memory of 1900	2528	LSASS.exe	45
PID 2528 wrote to memory of 1900	2528	LSASS.exe	45
PID 2528 wrote to memory of 1900	2528	LSASS.exe	45
PID 2528 wrote to memory of 1900	2528	LSASS.exe	45
PID 2528 wrote to memory of 2900	2528	LSASS.exe	48
PID 2528 wrote to memory of 2900	2528	LSASS.exe	48
PID 2528 wrote to memory of 2900	2528	LSASS.exe	48
PID 2528 wrote to memory of 2900	2528	LSASS.exe	48
PID 2528 wrote to memory of 2320	2528	LSASS.exe	50
PID 2528 wrote to memory of 2320	2528	LSASS.exe	50
PID 2528 wrote to memory of 2320	2528	LSASS.exe	50
PID 2528 wrote to memory of 2320	2528	LSASS.exe	50

C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe
"C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Windows\LSASS.exe
  "C:\Windows\LSASS.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2536
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2560
- - C:\Users\Admin\LSASS.exe
    "C:\Users\Admin\LSASS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:884
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2748
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2772
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1492
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1900
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2900
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2320
- C:\Windows\SysWOW64\REG.exe
  REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe" /f
  2⤵
  - Adds Run key to start application
  PID:2708
- C:\Windows\SysWOW64\REG.exe
  REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d98f926f3a2ea1308e2d80705591f91b_JC.exe" /f
  2⤵
  - Adds Run key to start application
  PID:2688

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:\Users\Admin\LSASS.exe

Filesize
472KB

MD5
6e94fc3df7e1d93481cd0ed1b2c937f3

SHA1
3400d7106954fe59ee4aedbf893e1b51760e4da6

SHA256
d0951f70acad72dce56632f89427f38cbfd562c6e079c899e425578d9cb02b23

SHA512
37b4d2a4c485e09c031f9c3f9a8d6d000afb66ac49087755d5a4abd688c2d4f50b07b099f1ab5c6eacfacdb1d60bf41ea8ec03822c7e675c7bcb658a9b26666f

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
57ff21ad32f0700cdfb876244061675d

SHA1
706ab68a1c68c13e2cbe450295fc77b59ca3f1c7

SHA256
8f01201099772475a3a77245dc5391a6b1abb6c1766a01da1de2247375808808

SHA512
5b6bb47c50e24d669735e39cbd51757e4d7fe5e4e3bb4b3793507e14180386470611452cc3ee0a4e5a78d100ae8181862571fc6873b98e6bc6c8564181c6553e

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
57ff21ad32f0700cdfb876244061675d

SHA1
706ab68a1c68c13e2cbe450295fc77b59ca3f1c7

SHA256
8f01201099772475a3a77245dc5391a6b1abb6c1766a01da1de2247375808808

SHA512
5b6bb47c50e24d669735e39cbd51757e4d7fe5e4e3bb4b3793507e14180386470611452cc3ee0a4e5a78d100ae8181862571fc6873b98e6bc6c8564181c6553e

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
57ff21ad32f0700cdfb876244061675d

SHA1
706ab68a1c68c13e2cbe450295fc77b59ca3f1c7

SHA256
8f01201099772475a3a77245dc5391a6b1abb6c1766a01da1de2247375808808

SHA512
5b6bb47c50e24d669735e39cbd51757e4d7fe5e4e3bb4b3793507e14180386470611452cc3ee0a4e5a78d100ae8181862571fc6873b98e6bc6c8564181c6553e

Download Submit
C:\autorun.inf

Filesize
190B

MD5
b1445c7f646c6ca9a7597791af38d575

SHA1
91efaf63fa1f7a51ee2f9b1c3b0f8932f15439ce

SHA256
220517d50470c86d94020cebcd03af286898e65338f468dc5f860dc04af2c88e

SHA512
533349278b6d186f0f3947681e90dcc7f617e146736798e6fc23e79d61610f1f7b2e4b4241b296884622fbd6b1cf73dc694a852e05bf4235da8ed40b70c5683f

Download Submit
\Users\Admin\LSASS.exe

Filesize
472KB

MD5
6e94fc3df7e1d93481cd0ed1b2c937f3

SHA1
3400d7106954fe59ee4aedbf893e1b51760e4da6

SHA256
d0951f70acad72dce56632f89427f38cbfd562c6e079c899e425578d9cb02b23

SHA512
37b4d2a4c485e09c031f9c3f9a8d6d000afb66ac49087755d5a4abd688c2d4f50b07b099f1ab5c6eacfacdb1d60bf41ea8ec03822c7e675c7bcb658a9b26666f

Download Submit
\Users\Admin\LSASS.exe

Filesize
472KB

MD5
6e94fc3df7e1d93481cd0ed1b2c937f3

SHA1
3400d7106954fe59ee4aedbf893e1b51760e4da6

SHA256
d0951f70acad72dce56632f89427f38cbfd562c6e079c899e425578d9cb02b23

SHA512
37b4d2a4c485e09c031f9c3f9a8d6d000afb66ac49087755d5a4abd688c2d4f50b07b099f1ab5c6eacfacdb1d60bf41ea8ec03822c7e675c7bcb658a9b26666f

Download Submit
memory/884-29-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/884-28-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2528-66-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-83-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-18-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-186-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-13-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2528-152-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-30-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-135-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-49-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-118-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2528-19-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2528-97-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2860-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2860-3-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2860-4-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2860-14-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download