89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1c

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 13:53

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General

Target

89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll
Size

76KB
MD5

afad5d62c253801e595ff55d82033790
SHA1

610f25303bf77ec6eca3fd864839330849751b8a
SHA256

89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1c
SHA512

e8f2221fe89cc45b027769b916bf82e554c30fe6012801f6e0624f0fb1d796dff317ab7d6dbc065403bdee17153ad63fd0cd5178981c107c6867178a4a2b4938
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcJKA:c8y93KQjy7G55riF1cMo03iJKA

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/3648-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3648-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	3648	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	3648	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3760 wrote to memory of 3648	3760	rundll32.exe	83
PID 3760 wrote to memory of 3648	3760	rundll32.exe	83
PID 3760 wrote to memory of 3648	3760	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89b1c84d1d1ce3f28bc4ec96e8a835fe4b9e661612fd89e9d141d478f827fb1cN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3648
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 712
    3⤵
    - Program crash
    PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 3648 -ip 3648
1⤵
PID:1184

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/3648-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3648-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download