b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac

Analysis

max time kernel
148s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2022, 02:24

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General

Target

b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe
Size

128KB
MD5

ebab6d5f6854187077e3d8c0059cf0a3
SHA1

b0d35aaf842651baa9242f0254a8e6142bc0189f
SHA256

b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac
SHA512

085d47acccc5fb773931eb205ada302dea03a7e87a1c6932c7511b1df2aa083b5d8d8f62782a1a47670bbf86d0a70bfe14b89205882b0fd3afa53a85149dde8d
SSDEEP

1536:w4RFLYP0hjtZ00so4pzEACaRBLAoVH1lOQYJ6iibQRVNNhK5a5aeSNg2w4DewJAb:HR40ZvNso4pzwsHh1hbaEdEn

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	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe

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

System Information Discovery
T1082

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1564	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1564	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4908	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 4772	4908	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe	81
PID 4908 wrote to memory of 4772	4908	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe	81
PID 4908 wrote to memory of 4772	4908	b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe	81
PID 4772 wrote to memory of 1564	4772	cmd.exe	83
PID 4772 wrote to memory of 1564	4772	cmd.exe	83
PID 4772 wrote to memory of 1564	4772	cmd.exe	83

C:\Users\Admin\AppData\Local\Temp\b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe
"C:\Users\Admin\AppData\Local\Temp\b3963cc950498e5b381920f4baced067ac1ee7d19e29acea987e1dca0832d4ac.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b3963cc950498e5b381920f4baced067ac
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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