3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e

General

Target

3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe
Size

182KB
MD5

383ada6f86495557fbc91408892c8509
SHA1

bd13d00dc26ae8b99791439523c8742ef632c75a
SHA256

3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e
SHA512

792b0ecf72cc9960decf7596b63579d229384f02450f69c2dc4561cb02540368473a9e48562623f41b4d233b2f60ac849a0dfd1f566df52909c0f5ce299bcf21
SSDEEP

3072:OGjQzU0Ay7Tmxu39uwQwtS9SDQSsFNacO/RBTaM3bqhrtiPVf0vvg:OGEZAy/OTcU9SDDsFNa9fTaybqJtiP+X

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4668	win64.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
960	netsh.exe

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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4aabb61fd66d326cabec9304d713c873.exe	win64.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\4aabb61fd66d326cabec9304d713c873.exe	win64.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4aabb61fd66d326cabec9304d713c873 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\win64.exe\" .."	win64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\4aabb61fd66d326cabec9304d713c873 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\win64.exe\" .."	win64.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe
4668	win64.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4668	win64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 4668	4776	3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe	81
PID 4776 wrote to memory of 4668	4776	3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe	81
PID 4776 wrote to memory of 4668	4776	3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe	81
PID 4668 wrote to memory of 960	4668	win64.exe	82
PID 4668 wrote to memory of 960	4668	win64.exe	82
PID 4668 wrote to memory of 960	4668	win64.exe	82

C:\Users\Admin\AppData\Local\Temp\3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe
"C:\Users\Admin\AppData\Local\Temp\3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\win64.exe
  "C:\Users\Admin\AppData\Local\Temp\win64.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4668
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\win64.exe" "win64.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\win64.exe

Filesize
182KB

MD5
383ada6f86495557fbc91408892c8509

SHA1
bd13d00dc26ae8b99791439523c8742ef632c75a

SHA256
3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e

SHA512
792b0ecf72cc9960decf7596b63579d229384f02450f69c2dc4561cb02540368473a9e48562623f41b4d233b2f60ac849a0dfd1f566df52909c0f5ce299bcf21

Download Submit
C:\Users\Admin\AppData\Local\Temp\win64.exe

Filesize
182KB

MD5
383ada6f86495557fbc91408892c8509

SHA1
bd13d00dc26ae8b99791439523c8742ef632c75a

SHA256
3f22afde396cac4a6b7394f11a6abc18777c40287e9cca2b4faad1ddeeaf410e

SHA512
792b0ecf72cc9960decf7596b63579d229384f02450f69c2dc4561cb02540368473a9e48562623f41b4d233b2f60ac849a0dfd1f566df52909c0f5ce299bcf21

Download Submit
memory/960-138-0x0000000000000000-mapping.dmp

Download
memory/4668-133-0x0000000000000000-mapping.dmp

Download
memory/4668-137-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/4668-139-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/4776-132-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/4776-136-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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