b7a675998e3bb64a09e47b4f0110dd6dba4fa25ef78f0ba1330186cc2b04b514

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 21:56

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General

Target

b7a675998e3bb64a09e47b4f0110dd6dba4fa25ef78f0ba1330186cc2b04b514N.dll
Size

76KB
MD5

21373754b8acfc0a2446b91229a731c0
SHA1

12a5b5e00592a8f4879874a81c3ad746cf1fe4a7
SHA256

b7a675998e3bb64a09e47b4f0110dd6dba4fa25ef78f0ba1330186cc2b04b514
SHA512

3b3d9cc668e537eb3382e2006699cf1f3951e4e468892512a5ae39fc385d56802c3a12debe88c0f571f489e8228826f285077f2398c70c7572473163b51e282a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z2zfamF2iBq:c8y93KQjy7G55riF1cMo03A2Kq

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/2588-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2588-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2172	2588	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	2588	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2548 wrote to memory of 2588	2548	rundll32.exe	30
PID 2588 wrote to memory of 2172	2588	rundll32.exe	31
PID 2588 wrote to memory of 2172	2588	rundll32.exe	31
PID 2588 wrote to memory of 2172	2588	rundll32.exe	31
PID 2588 wrote to memory of 2172	2588	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7a675998e3bb64a09e47b4f0110dd6dba4fa25ef78f0ba1330186cc2b04b514N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7a675998e3bb64a09e47b4f0110dd6dba4fa25ef78f0ba1330186cc2b04b514N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 312
    3⤵
    - Program crash
    PID:2172

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/2588-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2588-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2588-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2588-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download