165da02d6d09dda64442129d350c4c27d3a51e052c26e7c1f36b00dbbcf7fba1

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/06/2024, 18:58

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General

Target

165da02d6d09dda64442129d350c4c27d3a51e052c26e7c1f36b00dbbcf7fba1.dll
Size

76KB
MD5

d2205918ac0f6efb9d200015d03c3271
SHA1

3ab658090ce3afed6945725b8f20e33066379330
SHA256

165da02d6d09dda64442129d350c4c27d3a51e052c26e7c1f36b00dbbcf7fba1
SHA512

05c644b4161d59aae69cca76cb411880be0bfe3304cb291f91ea4416dcc38ea6425f4960e0d2bcdd9ca337a1065ba7f96fcc7ffdc9d135b21ac73bd8d1d97900
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZP:c8y93KQjy7G55riF1cMo03x

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 2 IoCs

resource	yara_rule
behavioral1/memory/1708-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1708-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1708-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1708-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1740	1708	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 2204 wrote to memory of 1708	2204	rundll32.exe	28
PID 1708 wrote to memory of 1740	1708	rundll32.exe	29
PID 1708 wrote to memory of 1740	1708	rundll32.exe	29
PID 1708 wrote to memory of 1740	1708	rundll32.exe	29
PID 1708 wrote to memory of 1740	1708	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\165da02d6d09dda64442129d350c4c27d3a51e052c26e7c1f36b00dbbcf7fba1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\165da02d6d09dda64442129d350c4c27d3a51e052c26e7c1f36b00dbbcf7fba1.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 336
    3⤵
    - Program crash
    PID:1740

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/1708-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1708-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download