a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921

Analysis

max time kernel
184s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 15:21

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General

Target

a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe
Size

88KB
MD5

fae815bbce3f48b02cf727b4ef3b0086
SHA1

447fff12c98c10aba38e9e160daa707a50503b21
SHA256

a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921
SHA512

d825bd85e83621ecc85e59a8a6a0058b250da73b48e03b4be51279b3518c2e0d7cdc6c44d91120550085e579dce2c7a6d6c8f7dad1db568d9391b7fd0c90dc82
SSDEEP

1536:T+wxpuvSy3F2dXd+H6p5eQrkO93P18JOFrxAX:Lty3F2dXd9pEQrDNN8JOFr2

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.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	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.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
2956	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2956	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
100	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 100 wrote to memory of 2152	100	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe	84
PID 100 wrote to memory of 2152	100	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe	84
PID 100 wrote to memory of 2152	100	a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe	84
PID 2152 wrote to memory of 2956	2152	cmd.exe	86
PID 2152 wrote to memory of 2956	2152	cmd.exe	86
PID 2152 wrote to memory of 2956	2152	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe
"C:\Users\Admin\AppData\Local\Temp\a53eef623083ea281c8f02187d66b825b6bf78833f0b9e6791c6a54eafa90921.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del a53eef623083ea281c8f02187d66b825b6
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2956

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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