2bbf54428e9587337010a261cc4b211d142a0cb28040935f6ee9e8ec7950eb79

Analysis

max time kernel
96s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 12:48

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General

Target

$PLUGINSDIR/Processes.dll
Size

28KB
MD5

0ffb8c12fc809255f372259150bb8fde
SHA1

de60be3dd7ad111be9324db8205bda7a69fec1b1
SHA256

bd82c9375c0efc44ada6e427090f75affa3a8960cf9180ebad046a77a9f146af
SHA512

c5c89158745a50b542c7ef3940beb5858367d8cce5f73b4b9d4da67548c13ffb14b63c15f315528753b9ca9fde83e0e971106ada8b7cc50b5047015b280f38dd
SSDEEP

768:fBXYB0dM5wjrFgygbaFOSH8P0eK+6ZURF:fB1M58FEbgwVK+1

Score

7^/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
behavioral8/memory/4564-0-0x0000000010000000-0x0000000010016000-memory.dmp	upx
behavioral8/memory/4564-2-0x0000000010000000-0x0000000010016000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4684	4564	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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4512 wrote to memory of 4564	4512	rundll32.exe	83
PID 4512 wrote to memory of 4564	4512	rundll32.exe	83
PID 4512 wrote to memory of 4564	4512	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Processes.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Processes.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 552
    3⤵
    - Program crash
    PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4564 -ip 4564
1⤵
PID:3916

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/4564-0-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

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memory/4564-2-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download