c79b6c5a8998b3fd64f00f1afce8e31ce19844ffdc081c20ba59f280ce8d0cd5

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-03-2024 20:38

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General

Target

cc5f707a1a387109580c455ce3263439.exe
Size

86KB
MD5

cc5f707a1a387109580c455ce3263439
SHA1

2f78252a3c2b3f781e1f310a33ac88532d2dfcf3
SHA256

c79b6c5a8998b3fd64f00f1afce8e31ce19844ffdc081c20ba59f280ce8d0cd5
SHA512

22b325a593cd1743274fc0cffe1282b820fd71f6a80e459c8a5b100aaf8a425de6ba821f67b0cf91d9172cf2198019fd22fcdea9c89181b2a48dca9573b93eed
SSDEEP

1536:RHzCU+0hp9AjfWq/4jjn4eVG+Yb6LdcGbBGJVKrNXQwG055oIJVZ2:RTC279A7VWjnrVGl2cGbBGvK5XQwGGz

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\services\COMSysApp\ImagePath = "C:\\Program Files\\Common Files\\Microsoft Shared\\imwovp.exe comsysapp"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet003\Services\COMSysApp\ImagePath = "C:\\Program Files\\Common Files\\Microsoft Shared\\imwovp.exe comsysapp"	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\COMSysApp\ImagePath = "C:\\Program Files\\Common Files\\Microsoft Shared\\imwovp.exe comsysapp"	regedit.exe

Deletes itself 1 IoCs

pid	Process
3552	rundll32.exe

Loads dropped DLL 9 IoCs

pid	Process
2944	cc5f707a1a387109580c455ce3263439.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3492	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\imwovp.dll	rundll32.exe
File created	C:\Program Files\Common Files\Microsoft Shared\imwovp.exe	rundll32.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\imwovp.exe	rundll32.exe

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

System Information Discovery
T1082

Runs .reg file with regedit 1 IoCs

pid	Process
3520	regedit.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2944	cc5f707a1a387109580c455ce3263439.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe
3552	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	cc5f707a1a387109580c455ce3263439.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe
Token: SeDebugPrivilege	3552	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2316	cc5f707a1a387109580c455ce3263439.exe
2944	cc5f707a1a387109580c455ce3263439.exe
2944	cc5f707a1a387109580c455ce3263439.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2944	2316	cc5f707a1a387109580c455ce3263439.exe	28
PID 2316 wrote to memory of 2944	2316	cc5f707a1a387109580c455ce3263439.exe	28
PID 2316 wrote to memory of 2944	2316	cc5f707a1a387109580c455ce3263439.exe	28
PID 2316 wrote to memory of 2944	2316	cc5f707a1a387109580c455ce3263439.exe	28
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 2944 wrote to memory of 3492	2944	cc5f707a1a387109580c455ce3263439.exe	29
PID 3492 wrote to memory of 3520	3492	rundll32.exe	30
PID 3492 wrote to memory of 3520	3492	rundll32.exe	30
PID 3492 wrote to memory of 3520	3492	rundll32.exe	30
PID 3492 wrote to memory of 3520	3492	rundll32.exe	30
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31
PID 3492 wrote to memory of 3552	3492	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\cc5f707a1a387109580c455ce3263439.exe
"C:\Users\Admin\AppData\Local\Temp\cc5f707a1a387109580c455ce3263439.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\cc5f707a1a387109580c455ce3263439.exe
  "C:\Users\Admin\AppData\Local\Temp\cc5f707a1a387109580c455ce3263439.exe" TWO
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\imwovpreg.dll",polmxhat
    3⤵
    - Loads dropped DLL
    - Drops file in Program Files directory
    - Suspicious use of WriteProcessMemory
    PID:3492
  - - C:\Windows\SysWOW64\regedit.exe
      regedit.exe -s "C:\Users\Admin\AppData\Local\Temp\imwovpreg.reg"
      4⤵
      Sets service image path in registry
      Runs .reg file with regedit
      PID:3520
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" "C:\Program Files\Common Files\Microsoft Shared\imwovp.dll",polmxhat
      4⤵
      Deletes itself
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

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

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\imwovpreg.reg

Filesize
1KB

MD5
9a36ae7ee94700059c09ad2de9c44a3d

SHA1
120b6d4ddd5b85e96b6735e8b7dcc37ff8cff9d3

SHA256
629fad03f30473e38ac5957490275d575fb3887c880153c3a7dc4673c3db6f0d

SHA512
12af88f0ba33b459395b3ae05afb2b6ed313912a9a4efda48cd1b45dfd1eb62ef49a0b7ea76ea54aecb52e669fa5fdb8bd70ce6261b6558b7a53a1423d31aa7b

Download Submit
\Users\Admin\AppData\Local\Temp\imwovp.dll

Filesize
61KB

MD5
e64021e3901ec2a6f3f883bfbe3d60ff

SHA1
14b12b15c92dc8b598ebc9a2f95dae3a989d5625

SHA256
332f3403b9b11b41f732f3f07b53ace1666f109e01566dd8cd0c12f7deb8c128

SHA512
6cff6e2746e0ed1635bb1aa4740c0a9448dcb5f27756ccc7417ada8193c496453979c8ede745bd0404b00b121101076351fcdee9f3b630f69405cec142ef41a8

Download Submit