8c1b2918940a850a461751e420fc38894846de154826c9ee70c09c1e983bdece

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 06:42

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General

Target

8c1b2918940a850a461751e420fc38894846de154826c9ee70c09c1e983bdece.dll
Size

76KB
MD5

898c1ccf612266aa0576339b6ff8eba6
SHA1

f5c9ecb6f8a10e1fe00ae6ace08646603e819fd2
SHA256

8c1b2918940a850a461751e420fc38894846de154826c9ee70c09c1e983bdece
SHA512

564d8cc04dad40536b92d5b189f77429e92ad02483f3742bcdd8d5d0d0b5b33d2dc3da5e7ab06ade523ecd4c709e6f31d9cb7ce1d683d68459836f796f0ca02b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z+qAE:c8y93KQjy7G55riF1cMo03Mq1

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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3460	1148	WerFault.exe	83

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	1148	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1148	2300	rundll32.exe	83
PID 2300 wrote to memory of 1148	2300	rundll32.exe	83
PID 2300 wrote to memory of 1148	2300	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c1b2918940a850a461751e420fc38894846de154826c9ee70c09c1e983bdece.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c1b2918940a850a461751e420fc38894846de154826c9ee70c09c1e983bdece.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1148
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1148 -s 712
    3⤵
    - Program crash
    PID:3460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1148 -ip 1148
1⤵
PID:2240

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/1148-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1148-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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