41bea3af1481086136d86ef3b3649521c651f81da1e34be7abf6877fe2bbab0e

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 23:14

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General

Target

41bea3af1481086136d86ef3b3649521c651f81da1e34be7abf6877fe2bbab0e.dll
Size

76KB
MD5

eed5a322b75ab09a737c7d549f9b4eb1
SHA1

b023d3fad2ff953de9e38a62ddb883fe22c0c991
SHA256

41bea3af1481086136d86ef3b3649521c651f81da1e34be7abf6877fe2bbab0e
SHA512

1b09e99d476e735f109fd3d69127d3938e5e7cb4e6b5cbbf4cce6ac4e799f7a16a86b745b96d61aec9e31e8dd6a4b9b4d0f7202bc8ca7f265d3f81632ec5a458
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZUYN7z:c8y93KQjy7G55riF1cMo03Ci

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/2540-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2540-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2544	2540	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	2540	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2068 wrote to memory of 2540	2068	rundll32.exe	30
PID 2540 wrote to memory of 2544	2540	rundll32.exe	31
PID 2540 wrote to memory of 2544	2540	rundll32.exe	31
PID 2540 wrote to memory of 2544	2540	rundll32.exe	31
PID 2540 wrote to memory of 2544	2540	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\41bea3af1481086136d86ef3b3649521c651f81da1e34be7abf6877fe2bbab0e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\41bea3af1481086136d86ef3b3649521c651f81da1e34be7abf6877fe2bbab0e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 304
    3⤵
    - Program crash
    PID:2544

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/2540-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2540-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download