5535973c557a2237fac177d79129e7d6af201f5cec42a5223124b21df7cd53f1

Analysis

max time kernel
94s
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
07-01-2025 22:46

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General

Target

5535973c557a2237fac177d79129e7d6af201f5cec42a5223124b21df7cd53f1.dll
Size

203KB
MD5

b4a34a0a58186d0ab20e6b69df8fccf9
SHA1

71f2cedca690ec89cbb3d135a9b7b902a65f9ff2
SHA256

5535973c557a2237fac177d79129e7d6af201f5cec42a5223124b21df7cd53f1
SHA512

7f203bce313eabd8b57da5133c94761cf3376e12245d3adba8835490671a9f77bad9727843dff3deaf2b0a9c3e9e376a70259aab8d888a7a3f4491e60923c86a
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiMC/S:5kmCaiEoFEd+F3txm2SpiMaS

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/4204-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4204-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2552	4204	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	4204	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 4204	1616	rundll32.exe	83
PID 1616 wrote to memory of 4204	1616	rundll32.exe	83
PID 1616 wrote to memory of 4204	1616	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5535973c557a2237fac177d79129e7d6af201f5cec42a5223124b21df7cd53f1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5535973c557a2237fac177d79129e7d6af201f5cec42a5223124b21df7cd53f1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4204
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 696
    3⤵
    - Program crash
    PID:2552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4204 -ip 4204
1⤵
PID:2848

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/4204-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4204-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download