b198ce5b9bfa6eac56126a9a86a6112c1cfb7cc15fbfbfc28c4aee708079b2d1

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 09:48

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General

Target

b198ce5b9bfa6eac56126a9a86a6112c1cfb7cc15fbfbfc28c4aee708079b2d1.dll
Size

76KB
MD5

bb678931d7999bc24d7683b905352e0a
SHA1

8dbeba52452b6b18b3fd449ad53b141eb40c014b
SHA256

b198ce5b9bfa6eac56126a9a86a6112c1cfb7cc15fbfbfc28c4aee708079b2d1
SHA512

1336f1caf23d4d8d12e7635da11c5e13268657a5ff7902428542cfb29906c22f41e010d206356483efbb4d1c91bcbf6ef2d6ae4751897a88b380dfa90ad50329
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZiFLtnxo:c8y93KQjy7G55riF1cMo03QFLhxo

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/4980-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4980-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5044	4980	WerFault.exe	85

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	4980	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 4980	4064	rundll32.exe	85
PID 4064 wrote to memory of 4980	4064	rundll32.exe	85
PID 4064 wrote to memory of 4980	4064	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b198ce5b9bfa6eac56126a9a86a6112c1cfb7cc15fbfbfc28c4aee708079b2d1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4064
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b198ce5b9bfa6eac56126a9a86a6112c1cfb7cc15fbfbfc28c4aee708079b2d1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4980
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 704
    3⤵
    - Program crash
    PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4980 -ip 4980
1⤵
PID:2872

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/4980-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4980-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download