337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274

Analysis

max time kernel
156s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 07:56

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General

Target

337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe
Size

190KB
MD5

a9db4c457d90f7a65965a634bd2c8a86
SHA1

72bd2fc68c3800455e144d7290e8673c5c217e9a
SHA256

337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274
SHA512

68112615f7dbc0ef87c323507775182dc477baaf5f3ad07ca2638b355830c92be37f1536f1461338d1d7ba07fcdbd9dae34c5b78bd7df1b7ebf5461342a66cd7
SSDEEP

3072:zMEMvxdknmg1tDbuLB+5xGT21JqaEvNTy6o12MNVRHkL0G9rs6SfaizV3PZXsDMc:zME1nmg1tDbJ5621YNpoDvI0G9o6SvVU

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4908	fr1.exe
1748	fr1.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4908	fr1.exe
4908	fr1.exe
4908	fr1.exe
1748	fr1.exe
1748	fr1.exe
1748	fr1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4908	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	81
PID 4920 wrote to memory of 4908	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	81
PID 4920 wrote to memory of 4908	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	81
PID 4920 wrote to memory of 1748	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	83
PID 4920 wrote to memory of 1748	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	83
PID 4920 wrote to memory of 1748	4920	337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe	83

C:\Users\Admin\AppData\Local\Temp\337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe
"C:\Users\Admin\AppData\Local\Temp\337a2990526cc0d8468c6caac96174e9d32c3d18d2dff91a63140459b62c6274.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe" "http://www.xunlei100.com/msn/software/partner/dh181/mini06.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4908
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe" "http://dd.pctutu.com/soft/126/sr_v10_mini.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe

Filesize
228KB

MD5
9eae280efd788f63770e8195e62ba024

SHA1
3cc44384bd77606c6193f9e1940cdfe975cb40a3

SHA256
ba8bb5c9154f91a07a780b1ded9855f45a2835c2d71877e8b84007b21d3e9fc6

SHA512
b2543d269e113247895e7144a640e5870e8e370c025d1cf2d06e14e5d4a6749cc4fd558c6fad0cb7fc2972066ed583b56c98af5cc5c36efc16c382980685d2a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe

Filesize
228KB

MD5
9eae280efd788f63770e8195e62ba024

SHA1
3cc44384bd77606c6193f9e1940cdfe975cb40a3

SHA256
ba8bb5c9154f91a07a780b1ded9855f45a2835c2d71877e8b84007b21d3e9fc6

SHA512
b2543d269e113247895e7144a640e5870e8e370c025d1cf2d06e14e5d4a6749cc4fd558c6fad0cb7fc2972066ed583b56c98af5cc5c36efc16c382980685d2a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\fr1.exe

Filesize
228KB

MD5
9eae280efd788f63770e8195e62ba024

SHA1
3cc44384bd77606c6193f9e1940cdfe975cb40a3

SHA256
ba8bb5c9154f91a07a780b1ded9855f45a2835c2d71877e8b84007b21d3e9fc6

SHA512
b2543d269e113247895e7144a640e5870e8e370c025d1cf2d06e14e5d4a6749cc4fd558c6fad0cb7fc2972066ed583b56c98af5cc5c36efc16c382980685d2a5

Download Submit
memory/1748-135-0x0000000000000000-mapping.dmp

Download
memory/4908-132-0x0000000000000000-mapping.dmp

Download