fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3

Analysis

max time kernel
158s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 17:08

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General

Target

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
Size

36KB
MD5

4c17860ac6d57d345d1ba7f87f524800
SHA1

77d893ccfcae930052aa3410cb3f3b11ffbb5b28
SHA256

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3
SHA512

452ef704628c64acba447e7a0a6eb9f047ad56bd8c0bff02ac12b9d6eb1ad956afe9711e8832c12ee586ded5af70f9a7cb767fc03979ffdbe8f21a489b4f31f1
SSDEEP

384:lmnQcDDT375RK3l6DNDvnqzemXrJ99/BDmy4todF+HO86CxEh99yRlKTe70:li3hUMDNDvzmXrJ9Jotov+HO000lP

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

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.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

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.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

Processes:

tasklist.exe

pid process

3272 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 3272 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

pid process

4860 fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

pid	process
3272	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	3272	tasklist.exe

pid	process
4860	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.execmd.exe

description	pid	process	target process
PID 4860 wrote to memory of 4828	4860	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 4860 wrote to memory of 4828	4860	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 4860 wrote to memory of 4828	4860	fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe	cmd.exe
PID 4828 wrote to memory of 3272	4828	cmd.exe	tasklist.exe
PID 4828 wrote to memory of 3272	4828	cmd.exe	tasklist.exe
PID 4828 wrote to memory of 3272	4828	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
"C:\Users\Admin\AppData\Local\Temp\fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4860

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del fb3212a4981297889cab2827aff8fd73fd15172b27c27ba77b0dd649c967eea3.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4828

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:3272

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Process Discovery

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/3272-135-0x0000000000000000-mapping.dmp

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memory/4828-134-0x0000000000000000-mapping.dmp

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