591afc6bedf161ad1d361893809988c34cecb99f961d16ee9048dd5772e88c43

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2025 00:10

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General

Target

591afc6bedf161ad1d361893809988c34cecb99f961d16ee9048dd5772e88c43N.dll
Size

203KB
MD5

5f4506c04e48d1a70f4534e3fb14eb80
SHA1

2b0466bf3b33d8f75945764d7d79fd82bb60c8bf
SHA256

591afc6bedf161ad1d361893809988c34cecb99f961d16ee9048dd5772e88c43
SHA512

0c38f43858113fc71b64775d8720b0e92a17745ee8fe546648edb6ac95d10d82c5ba9e386dfe55706e27dd7dcdd9cfc4e596d4e8cfa5e91d0e5477540a3a2559
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiM5:5kmCaiEoFEd+F3txm2SpiM5

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
behavioral2/memory/1428-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1428-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4676	1428	WerFault.exe	83

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	1428	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 1428	1536	rundll32.exe	83
PID 1536 wrote to memory of 1428	1536	rundll32.exe	83
PID 1536 wrote to memory of 1428	1536	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\591afc6bedf161ad1d361893809988c34cecb99f961d16ee9048dd5772e88c43N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\591afc6bedf161ad1d361893809988c34cecb99f961d16ee9048dd5772e88c43N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 716
    3⤵
    - Program crash
    PID:4676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1428 -ip 1428
1⤵
PID:436

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/1428-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/1428-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download