9bdc6e839b40c63e568a161b7d19dea5ef9c755e141f3fadd7a222827e955704

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 22:01

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General

Target

9bdc6e839b40c63e568a161b7d19dea5ef9c755e141f3fadd7a222827e955704N.dll
Size

76KB
MD5

55e7840d01b7ec0e95393eeb5752fc60
SHA1

0391b4c9f12dc708804a828e856f16ed35ff741a
SHA256

9bdc6e839b40c63e568a161b7d19dea5ef9c755e141f3fadd7a222827e955704
SHA512

bdb0240190a1520fe0ed907a7d67c02f0cb8741cf1e2bd61bb1bfac6718182dad75c34dc426cae92448bb5374fc1d8a1778fb791343cde926cf37944e6503538
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZpC42cHwPqTmIR:c8y93KQjy7G55riF1cMo03u4rwiTDR

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/4860-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4860-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	4860	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	4860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 4860	2324	rundll32.exe	83
PID 2324 wrote to memory of 4860	2324	rundll32.exe	83
PID 2324 wrote to memory of 4860	2324	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bdc6e839b40c63e568a161b7d19dea5ef9c755e141f3fadd7a222827e955704N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bdc6e839b40c63e568a161b7d19dea5ef9c755e141f3fadd7a222827e955704N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 704
    3⤵
    - Program crash
    PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4860 -ip 4860
1⤵
PID:2368

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/4860-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4860-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download