c5f8fcb6298ffc54274b6770f3f6dc6542cbe82e47b4ca5626c9ccc62493a328

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-02-2025 20:32

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General

Target

c5f8fcb6298ffc54274b6770f3f6dc6542cbe82e47b4ca5626c9ccc62493a328.dll
Size

76KB
MD5

1954881b2d5c64e7fe584b144d3c492a
SHA1

6dc0b88b16e49cbccea603101d1dd5f7779a554f
SHA256

c5f8fcb6298ffc54274b6770f3f6dc6542cbe82e47b4ca5626c9ccc62493a328
SHA512

92691c86c93141a35f9a6f7f7491fcb972962e64521c0049fcbbb8aef826f7ef26f26ca087a2fdf826f85e258c2d32083334460d02f89195096f51647ff7ae5d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z5Xss9q:c8y93KQjy7G55riF1cMo03zpE

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 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2160-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	2160	WerFault.exe	31

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	2160	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2136 wrote to memory of 2160	2136	rundll32.exe	31
PID 2160 wrote to memory of 2892	2160	rundll32.exe	32
PID 2160 wrote to memory of 2892	2160	rundll32.exe	32
PID 2160 wrote to memory of 2892	2160	rundll32.exe	32
PID 2160 wrote to memory of 2892	2160	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5f8fcb6298ffc54274b6770f3f6dc6542cbe82e47b4ca5626c9ccc62493a328.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5f8fcb6298ffc54274b6770f3f6dc6542cbe82e47b4ca5626c9ccc62493a328.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 332
    3⤵
    - Program crash
    PID:2892

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/2160-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2160-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download