3e91bdbcdfbf37fcc9315d332f1f6e68539c7806e0ad9dd8f85162b1143b5a1c

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 15:40

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General

Target

3e91bdbcdfbf37fcc9315d332f1f6e68539c7806e0ad9dd8f85162b1143b5a1c.dll
Size

76KB
MD5

5f367a1e44a4bcc936863570e0be6202
SHA1

6bb93f9a04e0ea618c7c55887c7417574d5ffedd
SHA256

3e91bdbcdfbf37fcc9315d332f1f6e68539c7806e0ad9dd8f85162b1143b5a1c
SHA512

c7214d49d53f75435cf4d4fd62bc1cba249908b7119df195db0071dc25fe84d81add142c37b98bde7a3395a22ab03665cb5e2d99861956f289509ef1339d3115
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZRT:c8y93KQjy7G55riF1cMo03jT

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/4044-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4044-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4872	4044	WerFault.exe	85

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	4044	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 4044	4832	rundll32.exe	85
PID 4832 wrote to memory of 4044	4832	rundll32.exe	85
PID 4832 wrote to memory of 4044	4832	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e91bdbcdfbf37fcc9315d332f1f6e68539c7806e0ad9dd8f85162b1143b5a1c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4832
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e91bdbcdfbf37fcc9315d332f1f6e68539c7806e0ad9dd8f85162b1143b5a1c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 708
    3⤵
    - Program crash
    PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4044 -ip 4044
1⤵
PID:244

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/4044-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4044-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download