a8586305a72f9c4c504a56d3871d2715b1fc01d90991b9315656dcc79c224b63

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 08:24

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General

Target

a8586305a72f9c4c504a56d3871d2715b1fc01d90991b9315656dcc79c224b63.dll
Size

76KB
MD5

69d72ea862d5f6af30c7aa2ce085fcc5
SHA1

4c10898cf754eb8141a7acce1214a157646e0479
SHA256

a8586305a72f9c4c504a56d3871d2715b1fc01d90991b9315656dcc79c224b63
SHA512

dd362963492881e31775323d3daf828ed348bf5de1b1651694a37d5f147f783b7849587b51c0990447cd099f9af4272028dd4ed89e60d723623ba42f96cf0c85
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zkmro:c8y93KQjy7G55riF1cMo03Vro

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/2828-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2828-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2872	2828	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	2828	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2664 wrote to memory of 2828	2664	rundll32.exe	31
PID 2828 wrote to memory of 2872	2828	rundll32.exe	32
PID 2828 wrote to memory of 2872	2828	rundll32.exe	32
PID 2828 wrote to memory of 2872	2828	rundll32.exe	32
PID 2828 wrote to memory of 2872	2828	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8586305a72f9c4c504a56d3871d2715b1fc01d90991b9315656dcc79c224b63.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a8586305a72f9c4c504a56d3871d2715b1fc01d90991b9315656dcc79c224b63.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 328
    3⤵
    - Program crash
    PID:2872

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/2828-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2828-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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