d0afe8a488e6f60cd7b1a862f319215f7d65b7964e00bd3bf02132b81d2e5d48

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2022, 01:23

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General

Target

Details.lnk
Size

1KB
MD5

f3c9192e747c7b3b0b861644ccf147ae
SHA1

37db46dc65a31dc8d0f2945ad9b1430b31d486e4
SHA256

d85957d2fc60de0204d94475a4ce85691e4de002e08f55809861a48f5ea58c14
SHA512

0692139ff36b3cdb2ef3971fea1e1bb57f83df8ba28bec6e947bba1cd1ed820b5fbd174f7a62a1fe118e6a168cccd2fc56db1cfc733f9afa397194ed0cdec1da

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2240	regsvr32.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.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 64 IoCs

pid	Process
2976	regsvr32.exe
2976	regsvr32.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe
2168	wermgr.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2976	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 980	896	cmd.exe	83
PID 896 wrote to memory of 980	896	cmd.exe	83
PID 980 wrote to memory of 5020	980	cmd.exe	84
PID 980 wrote to memory of 5020	980	cmd.exe	84
PID 980 wrote to memory of 2240	980	cmd.exe	85
PID 980 wrote to memory of 2240	980	cmd.exe	85
PID 2240 wrote to memory of 2976	2240	regsvr32.exe	86
PID 2240 wrote to memory of 2976	2240	regsvr32.exe	86
PID 2240 wrote to memory of 2976	2240	regsvr32.exe	86
PID 2976 wrote to memory of 2168	2976	regsvr32.exe	89
PID 2976 wrote to memory of 2168	2976	regsvr32.exe	89
PID 2976 wrote to memory of 2168	2976	regsvr32.exe	89
PID 2976 wrote to memory of 2168	2976	regsvr32.exe	89
PID 2976 wrote to memory of 2168	2976	regsvr32.exe	89

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Details.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:896
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c disallowable\leggings.cmd r3 2.e xe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:980
- - C:\Windows\system32\replace.exe
    replace C:\Windows\system32\regsvr32.exe C:\Users\Admin\AppData\Local\Temp /A
    3⤵
    PID:5020
- - C:\Users\Admin\AppData\Local\Temp\regsvr32.exe
    regsvr32.exe disallowable\lavatory.dat
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2240
  - - C:\Windows\SysWOW64\regsvr32.exe
      disallowable\lavatory.dat
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:2976
    - - C:\Windows\SysWOW64\wermgr.exe
        
        C:\Windows\SysWOW64\wermgr.exe
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:2168

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\regsvr32.exe

Filesize
24KB

MD5
b0c2fa35d14a9fad919e99d9d75e1b9e

SHA1
8d7c2fd354363daee63e8f591ec52fa5d0e23f6f

SHA256
022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7

SHA512
a6155e42b605425914d1bf745d9b2b5ed57976e161384731c6821a1f8fa2bc3207a863ae45d6ad371ac82733b72bb024204498baa4fb38ad46c6d7bc52e5a022

Download Submit
C:\Users\Admin\AppData\Local\Temp\regsvr32.exe

Filesize
24KB

MD5
b0c2fa35d14a9fad919e99d9d75e1b9e

SHA1
8d7c2fd354363daee63e8f591ec52fa5d0e23f6f

SHA256
022cb167a29a32dae848be91aef721c74f1975af151807dafcc5ed832db246b7

SHA512
a6155e42b605425914d1bf745d9b2b5ed57976e161384731c6821a1f8fa2bc3207a863ae45d6ad371ac82733b72bb024204498baa4fb38ad46c6d7bc52e5a022

Download Submit
memory/2168-142-0x0000000000510000-0x0000000000539000-memory.dmp

Filesize
164KB

Download
memory/2168-143-0x0000000000510000-0x0000000000539000-memory.dmp

Filesize
164KB

Download
memory/2976-138-0x0000000000710000-0x000000000073B000-memory.dmp

Filesize
172KB

Download
memory/2976-139-0x0000000000750000-0x0000000000779000-memory.dmp

Filesize
164KB

Download
memory/2976-141-0x0000000000750000-0x0000000000779000-memory.dmp

Filesize
164KB

Download