3f8acf7a38930c5d6e3edbbc9840504e163606a712afc651ae79980ec5c3861f

Analysis

max time kernel
97s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 17:13

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General

Target

3f8acf7a38930c5d6e3edbbc9840504e163606a712afc651ae79980ec5c3861f.dll
Size

76KB
MD5

cba66619fe002dc1ecf6e9d888aabca1
SHA1

013a085a8916c8e446782935b5b175fa8fce69cc
SHA256

3f8acf7a38930c5d6e3edbbc9840504e163606a712afc651ae79980ec5c3861f
SHA512

5775cee7c8d80192be9eb9d28efa51795f57304880bea5d166f20dec4e9f128eebbc390c892327e55b3249f9e8c5fddf4be7ebe4c4f1ad7aa7dc9a0de3094517
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqWqIi4InTlK:c8y93KQjy7G55riF1cMo03AWqIi4InTY

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/1088-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1088-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1508	1088	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	1088	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1088	1620	rundll32.exe	83
PID 1620 wrote to memory of 1088	1620	rundll32.exe	83
PID 1620 wrote to memory of 1088	1620	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f8acf7a38930c5d6e3edbbc9840504e163606a712afc651ae79980ec5c3861f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f8acf7a38930c5d6e3edbbc9840504e163606a712afc651ae79980ec5c3861f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1088
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 688
    3⤵
    - Program crash
    PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1088 -ip 1088
1⤵
PID:4776

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/1088-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1088-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download