b6d3c80c4636b608491da9728604500305be52fe8f387f9c6fd12bfe7d66a04b

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 03:58

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General

Target

b6d3c80c4636b608491da9728604500305be52fe8f387f9c6fd12bfe7d66a04bN.dll
Size

76KB
MD5

aa87d16b682280ff95be477ac47e2080
SHA1

dbe3d8e0bf83a3d449d41f137e855e77cb026d7d
SHA256

b6d3c80c4636b608491da9728604500305be52fe8f387f9c6fd12bfe7d66a04b
SHA512

86bb0f7fc0cfac8f9d785a8a139187bd584e909219c2863159d719c5e30ed50dfc05979d30dac6d6372d0cd326beb584d184c43f4464fa0b4b59dc5b803e4f71
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZMdot:c8y93KQjy7G55riF1cMo03qdq

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/1940-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1940-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2372	1940	WerFault.exe	30

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	1940	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1796 wrote to memory of 1940	1796	rundll32.exe	30
PID 1940 wrote to memory of 2372	1940	rundll32.exe	31
PID 1940 wrote to memory of 2372	1940	rundll32.exe	31
PID 1940 wrote to memory of 2372	1940	rundll32.exe	31
PID 1940 wrote to memory of 2372	1940	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6d3c80c4636b608491da9728604500305be52fe8f387f9c6fd12bfe7d66a04bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b6d3c80c4636b608491da9728604500305be52fe8f387f9c6fd12bfe7d66a04bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1940
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1940 -s 324
    3⤵
    - Program crash
    PID:2372

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/1940-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1940-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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