f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2022 02:13

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General

Target

f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe
Size

92KB
MD5

775c26941957e1b656e0702cb49f6330
SHA1

8d413d656ff1852e7d5c6fb60c68491a9bd25ea4
SHA256

f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826
SHA512

e97a57aed32b3c399849bd4617c8f7a6cb2854dd296e1a6a99ec28dcf241ca0afcffb8ef1478b2052ad92a769bb9654cee97166fa24dd8983b3148de797e9204
SSDEEP

1536:t6O09qqlmZSQ/bYe0g/ICs+6kzYZVpekZKB0gOEeQGn:t7qlmZSQ/bYPg/ICs+FCVpekZKBMLVn

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.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	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.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
848	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	848	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5016	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3592	5016	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe	83
PID 5016 wrote to memory of 3592	5016	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe	83
PID 5016 wrote to memory of 3592	5016	f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe	83
PID 3592 wrote to memory of 848	3592	cmd.exe	85
PID 3592 wrote to memory of 848	3592	cmd.exe	85
PID 3592 wrote to memory of 848	3592	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe
"C:\Users\Admin\AppData\Local\Temp\f61230ad4d21e0e4c9a7aa3ebd938402df9cf3f26040837fbfc09a216f2f8826.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del f61230ad4d21e0e4c9a7aa3ebd938402df
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3592
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:848

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

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Downloads

memory/848-135-0x0000000000000000-mapping.dmp

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memory/3592-134-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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