6f77290432f5a7013b19c07d752a5d37520a7e8c2d358df0132271d67e5cd50e

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 08:54

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General

Target

6f77290432f5a7013b19c07d752a5d37520a7e8c2d358df0132271d67e5cd50eN.dll
Size

76KB
MD5

9cc0841aaab5b706be865afa502b5a70
SHA1

bd05ac88b5f1b48ea178fc28e8470eecd665269f
SHA256

6f77290432f5a7013b19c07d752a5d37520a7e8c2d358df0132271d67e5cd50e
SHA512

5295822ae859ee153c7727debec3f730c2e15d33eed605458bb50d052ff7a93ca293b97c3d2bc32c347805e8b2b6e7b5731c72f7d4fd3d0af080037939fae69e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZxERNjBwyD:c8y93KQjy7G55riF1cMo03MRNjKyD

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2508-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2508-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2508-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2508-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2696	2508	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	2508	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 1856 wrote to memory of 2508	1856	rundll32.exe	30
PID 2508 wrote to memory of 2696	2508	rundll32.exe	31
PID 2508 wrote to memory of 2696	2508	rundll32.exe	31
PID 2508 wrote to memory of 2696	2508	rundll32.exe	31
PID 2508 wrote to memory of 2696	2508	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f77290432f5a7013b19c07d752a5d37520a7e8c2d358df0132271d67e5cd50eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6f77290432f5a7013b19c07d752a5d37520a7e8c2d358df0132271d67e5cd50eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2508
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 328
    3⤵
    - Program crash
    PID:2696

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/2508-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2508-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2508-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2508-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download