58765e2d94befc7b34f9748bc193987867aeb3a13c4a2f260a45bd8ba422240d

Analysis

max time kernel
149s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 17:47

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General

Target

c3f9f0ff060fe6fb17f56b8e408c1323.exe
Size

13KB
MD5

c3f9f0ff060fe6fb17f56b8e408c1323
SHA1

854e213b1e1a15588b013965e4e873e12e55730b
SHA256

58765e2d94befc7b34f9748bc193987867aeb3a13c4a2f260a45bd8ba422240d
SHA512

17bcbffbf8d0807943ba4023954f289ccbad0d23fcfca1cefda14b99345138e971b3d5a2843636dc0cc107024170bf26d076393b150e0260b0bc05ca3acd664b
SSDEEP

384:O5jFXr0HCLz4Vq32U7TLJwG7mh2Y6/tin6vE4:iCC/8qmgVwe42b86vE4

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1536	avpms.exe

Adds Run key to start application 2 TTPs 1 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\avpms = "C:\\Program Files\\NetMeeting\\avpms.exe"	avpms.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\NetMeeting\avpms.exe	c3f9f0ff060fe6fb17f56b8e408c1323.exe
File created	C:\Program Files\NetMeeting\avpms.exe	c3f9f0ff060fe6fb17f56b8e408c1323.exe
File opened for modification	C:\Program Files\NetMeeting\avpms.cfg	c3f9f0ff060fe6fb17f56b8e408c1323.exe
File opened for modification	C:\Program Files\NetMeeting\avpms.dat	avpms.exe
File created	C:\Program Files\NetMeeting\avpms.dat	avpms.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe
1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe
1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe
1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe
1536	avpms.exe
1536	avpms.exe
1536	avpms.exe
1536	avpms.exe
1536	avpms.exe
1536	avpms.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	avpms.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1536	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	87
PID 1728 wrote to memory of 1536	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	87
PID 1728 wrote to memory of 1536	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	87
PID 1536 wrote to memory of 3376	1536	avpms.exe	56
PID 1728 wrote to memory of 868	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	89
PID 1728 wrote to memory of 868	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	89
PID 1728 wrote to memory of 868	1728	c3f9f0ff060fe6fb17f56b8e408c1323.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3376
- C:\Users\Admin\AppData\Local\Temp\c3f9f0ff060fe6fb17f56b8e408c1323.exe
  "C:\Users\Admin\AppData\Local\Temp\c3f9f0ff060fe6fb17f56b8e408c1323.exe"
  2⤵
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Program Files\NetMeeting\avpms.exe
    "C:\Program Files\NetMeeting\avpms.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1536
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\c3f9f0ff060fe6fb17f56b8e408c1323.exe"
    3⤵
    PID:868

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files\NetMeeting\avpms.exe

Filesize
13KB

MD5
c3f9f0ff060fe6fb17f56b8e408c1323

SHA1
854e213b1e1a15588b013965e4e873e12e55730b

SHA256
58765e2d94befc7b34f9748bc193987867aeb3a13c4a2f260a45bd8ba422240d

SHA512
17bcbffbf8d0807943ba4023954f289ccbad0d23fcfca1cefda14b99345138e971b3d5a2843636dc0cc107024170bf26d076393b150e0260b0bc05ca3acd664b

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