b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 10:37

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General

Target

b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
Size

1.4MB
MD5

4b82a5d8e1dacd4b08cb7f5af50f615b
SHA1

dbdb0b6d07204c446b33573f70ec0394fef65cb0
SHA256

b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d
SHA512

7b4e3d5256cf5b10a1d7b524dce0c48a9bb7817908705090dcd036be13b71bbad975b981a80d43c03a5a8a0d59f0db82667d74f4eeadd99d6ed5f60f98e3041f
SSDEEP

24576:/pa/O74CNt3r2J2FC3eUldZUJ3OlKU4UDcc6Cy+9eGI:YcZC35VcOcmDcc6Cda

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4132 set thread context of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2992	PING.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4952	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
4952	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
4952	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
4952	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
4952	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 4140	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	79
PID 4132 wrote to memory of 4140	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	79
PID 4132 wrote to memory of 4140	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	79
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4132 wrote to memory of 4952	4132	b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe	80
PID 4140 wrote to memory of 2992	4140	cmd.exe	82
PID 4140 wrote to memory of 2992	4140	cmd.exe	82
PID 4140 wrote to memory of 2992	4140	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
"C:\Users\Admin\AppData\Local\Temp\b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping -c 5 8.8.8.8
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4140
- - C:\Windows\SysWOW64\PING.EXE
    ping -c 5 8.8.8.8
    3⤵
    - Runs ping.exe
    PID:2992
- C:\Users\Admin\AppData\Local\Temp\b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe
  "C:\Users\Admin\AppData\Local\Temp\b720bf977158524d64691675c90ca034025207368e28c8bafae4d62e3ef31b0d.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4952

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4952-134-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/4952-135-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/4952-137-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/4952-138-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download
memory/4952-139-0x0000000000400000-0x00000000004DF000-memory.dmp

Filesize
892KB

Download