bc0135b88996181df5a7c01834c5a9de1b5175237b686b2cfbb16af24bf4f782

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
31-12-2024 20:09

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General

Target

bc0135b88996181df5a7c01834c5a9de1b5175237b686b2cfbb16af24bf4f782N.dll
Size

76KB
MD5

107fd9b2657d4974fc07583469b9e010
SHA1

5a25c12b08323bd2efc422e20287a81931495b49
SHA256

bc0135b88996181df5a7c01834c5a9de1b5175237b686b2cfbb16af24bf4f782
SHA512

f9c6b46c67b909d52dfcc61440ba30ca19d9690b13d1d43d85ce8fa70cf8ab0c5415026275d948f78d6a4637a79b6a5fbcdf614c346bf2a4c42d2c551ed5e966
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqezIiA:c8y93KQjy7G55riF1cMo03oeza

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1468-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1468-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5008	1468	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	1468	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 1468	2816	rundll32.exe	83
PID 2816 wrote to memory of 1468	2816	rundll32.exe	83
PID 2816 wrote to memory of 1468	2816	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0135b88996181df5a7c01834c5a9de1b5175237b686b2cfbb16af24bf4f782N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bc0135b88996181df5a7c01834c5a9de1b5175237b686b2cfbb16af24bf4f782N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 704
    3⤵
    - Program crash
    PID:5008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1468 -ip 1468
1⤵
PID:1700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/1468-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1468-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download