ac25a438afd56d4ba8b66d5579c61a48aa16ab74763cc22abeac79cf0a86971d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 06:45

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General

Target

ac25a438afd56d4ba8b66d5579c61a48aa16ab74763cc22abeac79cf0a86971dN.dll
Size

76KB
MD5

ab58dce77cd97f6f95722fcd11ca6140
SHA1

3834511738b967e2004148f5c61da1227db38193
SHA256

ac25a438afd56d4ba8b66d5579c61a48aa16ab74763cc22abeac79cf0a86971d
SHA512

c15803b6f5610f167121e43af07d82713e3e7ba91031d52fc5fa80b155f67a978e72026649d47d4020bb0d2a9ea915015cc676423cd273d246b08195e02b912c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2W:c8y93KQjy7G55riF1cMo03oW

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2956-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2956-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3052	2956	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 740 wrote to memory of 2956	740	rundll32.exe	31
PID 2956 wrote to memory of 3052	2956	rundll32.exe	32
PID 2956 wrote to memory of 3052	2956	rundll32.exe	32
PID 2956 wrote to memory of 3052	2956	rundll32.exe	32
PID 2956 wrote to memory of 3052	2956	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac25a438afd56d4ba8b66d5579c61a48aa16ab74763cc22abeac79cf0a86971dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac25a438afd56d4ba8b66d5579c61a48aa16ab74763cc22abeac79cf0a86971dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2956 -s 308
    3⤵
    - Program crash
    PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2956-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2956-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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