6bf637aa549db83a6b4d71643c0ef1d33a914f327b70cb8b2798f13f0bfbac6f

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-02-2025 11:34

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General

Target

6bf637aa549db83a6b4d71643c0ef1d33a914f327b70cb8b2798f13f0bfbac6f.dll
Size

76KB
MD5

ee8eb2b765b8db6bdd3283e336c3c540
SHA1

4385ceb4b5d2ccbf9c4b0666f08620093418c4e8
SHA256

6bf637aa549db83a6b4d71643c0ef1d33a914f327b70cb8b2798f13f0bfbac6f
SHA512

43dc10ece21f3268cf8d453906df86a986f062175410f2616a8ac0e35a2ac4094cbc7057aab6f38b819531937cc956e703d550cd3142ca043e4de2ac37d877fb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5lIMy8CYcz:c8y93KQjy7G55riF1cMo03+B8F8

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2556-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2556-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2556-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	2556	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	2556	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 1892 wrote to memory of 2556	1892	rundll32.exe	30
PID 2556 wrote to memory of 2524	2556	rundll32.exe	31
PID 2556 wrote to memory of 2524	2556	rundll32.exe	31
PID 2556 wrote to memory of 2524	2556	rundll32.exe	31
PID 2556 wrote to memory of 2524	2556	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bf637aa549db83a6b4d71643c0ef1d33a914f327b70cb8b2798f13f0bfbac6f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6bf637aa549db83a6b4d71643c0ef1d33a914f327b70cb8b2798f13f0bfbac6f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 332
    3⤵
    - Program crash
    PID:2524

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/2556-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2556-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2556-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2556-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download