5f8af3f1ce790ddb0c8a82cd202e70be59e91e0bb05ee083a5d168af840f2625

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2025, 23:53

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General

Target

5f8af3f1ce790ddb0c8a82cd202e70be59e91e0bb05ee083a5d168af840f2625.dll
Size

76KB
MD5

892e60c9b590110770f60e4bbca11097
SHA1

b1a5acbb5554d2aa95a4f7c90ddeb10992c3192a
SHA256

5f8af3f1ce790ddb0c8a82cd202e70be59e91e0bb05ee083a5d168af840f2625
SHA512

fe8622fbd2309316110c24098f79803d5a85c1ce9ec063c0e7a222cc58ac258dacfa20d37fd10264b488b614ce3f5f7a7d00fa145d044bd9c08f162f4d1fba0a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zl9uV:c8y93KQjy7G55riF1cMo03EV

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/3604-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3604-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
404	3604	WerFault.exe	87

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	3604	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3220 wrote to memory of 3604	3220	rundll32.exe	87
PID 3220 wrote to memory of 3604	3220	rundll32.exe	87
PID 3220 wrote to memory of 3604	3220	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8af3f1ce790ddb0c8a82cd202e70be59e91e0bb05ee083a5d168af840f2625.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3220
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f8af3f1ce790ddb0c8a82cd202e70be59e91e0bb05ee083a5d168af840f2625.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3604
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 712
    3⤵
    - Program crash
    PID:404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3604 -ip 3604
1⤵
PID:4944

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/3604-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3604-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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