eecdd9414ff60f0d073599269e1f8f0448d2b188460462d725d9c1f56373ec5f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 11:16

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General

Target

eecdd9414ff60f0d073599269e1f8f0448d2b188460462d725d9c1f56373ec5f.dll
Size

76KB
MD5

a6a4bb7c86df40ce153bfdc08c940046
SHA1

8088f1e27b76fdf488346c99f6a82d30433fd371
SHA256

eecdd9414ff60f0d073599269e1f8f0448d2b188460462d725d9c1f56373ec5f
SHA512

e34e3d3d9b92841ab4878fcafaf34649be083299bb66bf06a642a080d1129c427d70f815f8a17f99dc2a7ef19089021f486e681d4b40bc3f2a9ddc1e661d023b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZacR6:c8y93KQjy7G55riF1cMo03wcR6

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

Processes:

resource	yara_rule
behavioral1/memory/2824-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2824-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2824-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2824-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2944 2824 WerFault.exe rundll32.exe
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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2824 rundll32.exe

pid	pid_target	process	target process
2944	2824	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2824	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2244 wrote to memory of 2824	2244	rundll32.exe	rundll32.exe
PID 2824 wrote to memory of 2944	2824	rundll32.exe	WerFault.exe
PID 2824 wrote to memory of 2944	2824	rundll32.exe	WerFault.exe
PID 2824 wrote to memory of 2944	2824	rundll32.exe	WerFault.exe
PID 2824 wrote to memory of 2944	2824	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eecdd9414ff60f0d073599269e1f8f0448d2b188460462d725d9c1f56373ec5f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eecdd9414ff60f0d073599269e1f8f0448d2b188460462d725d9c1f56373ec5f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 232
    3⤵
    - Program crash
    PID:2944

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/2824-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2824-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2824-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2824-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download