e4dfcdc7bbfe3a575adff0fe2bf02e629838cc5d095bd36897f9927c50214c05

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 13:26

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General

Target

5b5974165cdc5b203ae4282df75965af.dll
Size

96KB
MD5

5b5974165cdc5b203ae4282df75965af
SHA1

fffb0445c8ca5b7a070b3f97b3842c0d18fde298
SHA256

e4dfcdc7bbfe3a575adff0fe2bf02e629838cc5d095bd36897f9927c50214c05
SHA512

bfce9c3365d40ed8986aa0331c0f4353d36aa5c8a487a60e64549a8b749e74aacac3e299fb4b7be993681891a1498ec752da99a5aafaa3cfec86f776c1263926
SSDEEP

1536:94JbZlTMWTZM/O6pOGrQ6r2zvLvXDmGdTsvZwQo6j01lUkhv/egYitUSb/8zS:94vprcEGrQ6SvnI/7i6k7Yit8S

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Pjohezuyo = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\5b5974165cdc5b203ae4282df75965af.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2936	rundll32.exe
2936	rundll32.exe
2936	rundll32.exe
2936	rundll32.exe
2936	rundll32.exe
2936	rundll32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2940 wrote to memory of 2936	2940	rundll32.exe	28
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29
PID 2936 wrote to memory of 2632	2936	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5974165cdc5b203ae4282df75965af.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b5974165cdc5b203ae4282df75965af.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\5b5974165cdc5b203ae4282df75965af.dll",iep
    3⤵
    PID:2632

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

memory/2632-9-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/2632-10-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/2632-12-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2936-0-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2936-1-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2936-2-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2936-3-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2936-5-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2936-6-0x0000000000C00000-0x0000000000C40000-memory.dmp

Filesize
256KB

Download
memory/2936-8-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2936-11-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download