cfc4d504a5782aaf73af33f7502f855f1aaccc848172c254eac1cb2a09db764c

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 08:06

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General

Target

cfc4d504a5782aaf73af33f7502f855f1aaccc848172c254eac1cb2a09db764c.dll
Size

76KB
MD5

08123e666aef800bef31cf0052cc3d19
SHA1

1542544257015308869db47476e6189a1ca078b8
SHA256

cfc4d504a5782aaf73af33f7502f855f1aaccc848172c254eac1cb2a09db764c
SHA512

39310b3fa1812f163abd5a4b9e5d60a932ebf3321a5093ea1131f4fab5d92fad3c0608d39c15277c58e625fbc8586d9e47e8266598033f1d6a690410750d2fff
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZrWTH9KY:c8y93KQjy7G55riF1cMo038TH91

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/2084-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2084-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3248	2084	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	2084	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 2084	4192	rundll32.exe	82
PID 4192 wrote to memory of 2084	4192	rundll32.exe	82
PID 4192 wrote to memory of 2084	4192	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfc4d504a5782aaf73af33f7502f855f1aaccc848172c254eac1cb2a09db764c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfc4d504a5782aaf73af33f7502f855f1aaccc848172c254eac1cb2a09db764c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 692
    3⤵
    - Program crash
    PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2084 -ip 2084
1⤵
PID:3180

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/2084-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2084-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download