f38f3e2f996936c8abf2bcb506fc082a4beb7b81d923bca99d7c8917f98c89b3

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
16-12-2024 17:33

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General

Target

f38f3e2f996936c8abf2bcb506fc082a4beb7b81d923bca99d7c8917f98c89b3N.dll
Size

76KB
MD5

7d7b6bb3a36669318ecd875a01ff5be0
SHA1

cede19a957c00e441c7ba31b4e62811a12723062
SHA256

f38f3e2f996936c8abf2bcb506fc082a4beb7b81d923bca99d7c8917f98c89b3
SHA512

b29bc908d6829e688c96c8751dcaa78aa15abba3e8eb4d4a1098b11907875584a711fac0a920e0feb5caa37fbbf9cb8a6da357d92b43d34d15574c0fb230a054
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZXYYQTaTujW2aN:c8y93KQjy7G55riF1cMo03RQeUi

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/1120-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1120-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
408	1120	WerFault.exe	82

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	1120	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 1120	5056	rundll32.exe	82
PID 5056 wrote to memory of 1120	5056	rundll32.exe	82
PID 5056 wrote to memory of 1120	5056	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f38f3e2f996936c8abf2bcb506fc082a4beb7b81d923bca99d7c8917f98c89b3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f38f3e2f996936c8abf2bcb506fc082a4beb7b81d923bca99d7c8917f98c89b3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 716
    3⤵
    - Program crash
    PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1120 -ip 1120
1⤵
PID:3216

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/1120-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1120-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download