c2ba3ad23c686c027f14fcc3909c4b54fd35bfa6b8aee7c598524011007f640b

Analysis

max time kernel
141s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02-09-2024 03:29

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General

Target

$PLUGINSDIR/version.dll
Size

22KB
MD5

fbe588b15eb1bd86defade69f796b56f
SHA1

2f63cf44039addddb22c2c0497673b49e6b3ad7a
SHA256

31144e8b156fe87317073c48a09abcb033fda8dbdd96986c4abea8c00c00355f
SHA512

e1a9e29e4c62e77a2ec2c539344f0b5a8cd67ca3fd8dfefb0b0666a992eb2fabadb0034d439c4adbbdffd9c9439f23ee5757fac0ed669d3c9db48f50c677143d
SSDEEP

384:6Qx38r8QfiLpVjOXf4Rrd2IpZn8LI2EdGZ5D6PDo3rsyfyC8n:6Qx38r8Qgp1OvYd2zqGZ5D6PDmXf98

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
behavioral25/memory/1740-3-0x0000000000220000-0x0000000000232000-memory.dmp	upx
behavioral25/memory/1740-7-0x0000000000220000-0x0000000000232000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2384	1740	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1672 wrote to memory of 1740	1672	rundll32.exe	30
PID 1740 wrote to memory of 2384	1740	rundll32.exe	31
PID 1740 wrote to memory of 2384	1740	rundll32.exe	31
PID 1740 wrote to memory of 2384	1740	rundll32.exe	31
PID 1740 wrote to memory of 2384	1740	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\version.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 228
    3⤵
    - Program crash
    PID:2384

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/1740-3-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download
memory/1740-2-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-1-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-0-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-4-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-5-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-6-0x0000000000130000-0x0000000000142000-memory.dmp

Filesize
72KB

Download
memory/1740-7-0x0000000000220000-0x0000000000232000-memory.dmp

Filesize
72KB

Download