3936e2b4367d153f30faea901bfce5f3b362d1ca8b38a395735f73301a4982dc

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 04:17

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General

Target

$PLUGINSDIR/version.dll
Size

22KB
MD5

fbe588b15eb1bd86defade69f796b56f
SHA1

2f63cf44039addddb22c2c0497673b49e6b3ad7a
SHA256

31144e8b156fe87317073c48a09abcb033fda8dbdd96986c4abea8c00c00355f
SHA512

e1a9e29e4c62e77a2ec2c539344f0b5a8cd67ca3fd8dfefb0b0666a992eb2fabadb0034d439c4adbbdffd9c9439f23ee5757fac0ed669d3c9db48f50c677143d
SSDEEP

384:6Qx38r8QfiLpVjOXf4Rrd2IpZn8LI2EdGZ5D6PDo3rsyfyC8n:6Qx38r8Qgp1OvYd2zqGZ5D6PDmXf98

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
behavioral18/memory/1132-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral18/memory/1132-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3716	1132	WerFault.exe	82

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 4952 wrote to memory of 1132	4952	rundll32.exe	82
PID 4952 wrote to memory of 1132	4952	rundll32.exe	82
PID 4952 wrote to memory of 1132	4952	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1132
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1132 -s 620
    3⤵
    - Program crash
    PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1132 -ip 1132
1⤵
PID:2880

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/1132-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

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memory/1132-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download