34c3ec6374b0c4573ccdc9db83ad5bb96d2499fa9da9133aa453fccd105e11be

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 20:11

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General

Target

34c3ec6374b0c4573ccdc9db83ad5bb96d2499fa9da9133aa453fccd105e11be.dll
Size

76KB
MD5

a67a76c032e3b4f2243bd748532d0d2e
SHA1

8e0404053ccda06b013329080fb37f5dcbaec792
SHA256

34c3ec6374b0c4573ccdc9db83ad5bb96d2499fa9da9133aa453fccd105e11be
SHA512

3d5c3a57e1c12098741aa281e5718504dcdb8d09b887f49d0c0bb2aaccc4b7bbdeb2b6170d625730dcc3edea1889c553bc24265fdcd11ed24fe94ccc6b932c4e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zxl:c8y93KQjy7G55riF1cMo03l

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/3052-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3052-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4196	3052	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	3052	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3052	5056	rundll32.exe	83
PID 5056 wrote to memory of 3052	5056	rundll32.exe	83
PID 5056 wrote to memory of 3052	5056	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34c3ec6374b0c4573ccdc9db83ad5bb96d2499fa9da9133aa453fccd105e11be.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34c3ec6374b0c4573ccdc9db83ad5bb96d2499fa9da9133aa453fccd105e11be.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 712
    3⤵
    - Program crash
    PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3052 -ip 3052
1⤵
PID:3192

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/3052-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3052-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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