e8331b23f181a32b6911ecfb20c25dd99aec48e18af6b7d2aa3840211277d262

Analysis

max time kernel
93s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 10:50

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General

Target

e8331b23f181a32b6911ecfb20c25dd99aec48e18af6b7d2aa3840211277d262.dll
Size

76KB
MD5

1ba1484446e9933423cc5f11807c41a6
SHA1

a5c627cbf9e3c4b63fc81e01dbd149f8d667ecc3
SHA256

e8331b23f181a32b6911ecfb20c25dd99aec48e18af6b7d2aa3840211277d262
SHA512

32f523fd4e5fbb7e19070c63078ee05ecc82e83ee7512be5d692549f6bde7fde353a4d0670dc433dcc5891ccdc4faa3a3813161ef263fd0ba03e828152d0a698
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z6i:c8y93KQjy7G55riF1cMo03N

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

Processes:

resource	yara_rule
behavioral2/memory/4724-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4724-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3716 4724 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 4724 rundll32.exe

pid	pid_target	process	target process
3716	4724	WerFault.exe	rundll32.exe

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

description	pid	process
Token: SeDebugPrivilege	4724	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 412 wrote to memory of 4724	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 4724	412	rundll32.exe	rundll32.exe
PID 412 wrote to memory of 4724	412	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8331b23f181a32b6911ecfb20c25dd99aec48e18af6b7d2aa3840211277d262.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8331b23f181a32b6911ecfb20c25dd99aec48e18af6b7d2aa3840211277d262.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 716
    3⤵
    - Program crash
    PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4724 -ip 4724
1⤵
PID:1156

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/4724-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4724-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download