b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb

Analysis

max time kernel
134s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 10:05

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General

Target

b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe
Size

108KB
MD5

812dd84b1a26cb2d8c87097ae78ed17f
SHA1

79688735259645f888ba598ef04221b19d43758e
SHA256

b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb
SHA512

57346e5f60b967889d8e1367555e67c1949b516546300c47146ecf36034693d8190c1c04c2c6a888550aa7fd92844c6f959a2f383fd7e92cac358d6fcd368d02
SSDEEP

3072:Qw0gg0PPikrvDbEGrA7psIhuK/zzazhACuzz+cp0:B0ggGRrbwOazzazhACuzz+cp0

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	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.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	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.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
5036	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
372	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 4500	372	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe	82
PID 372 wrote to memory of 4500	372	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe	82
PID 372 wrote to memory of 4500	372	b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe	82
PID 4500 wrote to memory of 5036	4500	cmd.exe	84
PID 4500 wrote to memory of 5036	4500	cmd.exe	84
PID 4500 wrote to memory of 5036	4500	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe
"C:\Users\Admin\AppData\Local\Temp\b5b2eb63318a15f44faed74eff59703ff754eb98ec5b16ff1825270bc6116adb.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b5b2eb63318a15f44faed74eff59703ff7
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4500
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:5036

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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