b51c97162bf3d7226cbb084b3f6a97ac159ce56ccb77fc82d10dc4bdbd293560

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
01-02-2025 10:31

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General

Target

b51c97162bf3d7226cbb084b3f6a97ac159ce56ccb77fc82d10dc4bdbd293560N.dll
Size

76KB
MD5

e4749535caa9d9c2dd3e0f01d2c56ca0
SHA1

9621649e2ba7f2a47be3ed2b1b300a9465e94d93
SHA256

b51c97162bf3d7226cbb084b3f6a97ac159ce56ccb77fc82d10dc4bdbd293560
SHA512

91b07edb26210dffbfe3e3492581f6c573d1dee08f6890515736fb9b132a81f4653ebdeba44200740f7e20f6247e9c2ec59c9433c67b50c0773c6d373efb0e9a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZOXUKbQ:c8y93KQjy7G55riF1cMo03wy

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1240-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1240-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2232	1240	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	1240	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 1240	3548	rundll32.exe	83
PID 3548 wrote to memory of 1240	3548	rundll32.exe	83
PID 3548 wrote to memory of 1240	3548	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b51c97162bf3d7226cbb084b3f6a97ac159ce56ccb77fc82d10dc4bdbd293560N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b51c97162bf3d7226cbb084b3f6a97ac159ce56ccb77fc82d10dc4bdbd293560N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1240
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1240 -s 668
    3⤵
    - Program crash
    PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1240 -ip 1240
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/1240-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1240-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download