b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827

Analysis

max time kernel
155s
max time network
181s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 07:14

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General

Target

b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe
Size

28KB
MD5

6b28c36564985eecf8cc554496c2ae30
SHA1

c34adb4ebb409855acc5a5c26a73d0ca1c7b5814
SHA256

b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827
SHA512

4bff2446e6042772350209f083b4609c7ec3b5e060bca5d2be3b98436900b82dd3115c5731e48d37c690020aff960e16474f9f31d862b076083c71f7b5b7fd21
SSDEEP

768:XhCDasIf2Qiqc4tKPm1/9Fp8Kob6oshaw+7BS:XhCDaff2QizshO78

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.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
3760	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4776	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 4324	4776	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe	82
PID 4776 wrote to memory of 4324	4776	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe	82
PID 4776 wrote to memory of 4324	4776	b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe	82
PID 4324 wrote to memory of 3760	4324	cmd.exe	84
PID 4324 wrote to memory of 3760	4324	cmd.exe	84
PID 4324 wrote to memory of 3760	4324	cmd.exe	84

C:\Users\Admin\AppData\Local\Temp\b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe
"C:\Users\Admin\AppData\Local\Temp\b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b8700151d1d65ea19304936f3affba4a7175380a38d04eb610cbbebe62563827.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3760

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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