73f4f524256886585db4d1b201169714f0536f4a26a71534fc6b87a633be9b96

Analysis

max time kernel
93s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2025 00:16

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General

Target

73f4f524256886585db4d1b201169714f0536f4a26a71534fc6b87a633be9b96.dll
Size

76KB
MD5

275236372e029126211d11238b4a2293
SHA1

b53aa3da1ca541a6b97d3f1c132c10ba50b134c5
SHA256

73f4f524256886585db4d1b201169714f0536f4a26a71534fc6b87a633be9b96
SHA512

249829f57ed5fc40994e4ed44fb40368c54b9fe6657bdd9d2e3e79d5bf1b2466eb76c9ecfd2c7926eab4ee116f063dbba372adcb332af21e066a4ed90e649396
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZHD7I:c8y93KQjy7G55riF1cMo031D7I

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/464-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/464-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4732	464	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	464	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 464	1988	rundll32.exe	83
PID 1988 wrote to memory of 464	1988	rundll32.exe	83
PID 1988 wrote to memory of 464	1988	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73f4f524256886585db4d1b201169714f0536f4a26a71534fc6b87a633be9b96.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\73f4f524256886585db4d1b201169714f0536f4a26a71534fc6b87a633be9b96.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 700
    3⤵
    - Program crash
    PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 464 -ip 464
1⤵
PID:2192

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/464-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/464-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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