5526e747493f8e529bc5e7eb900394397a7410c2951e98e9a9b1326fb464b955

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27/10/2022, 17:04

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General

Target

Details.lnk
Size

1KB
MD5

f71b18f3dbee01388943e6b7166def8e
SHA1

c249105c5dc25eb1e6ea670325c7edcb1f11a1c0
SHA256

bdf54e7bf0d943f6a42577c1ff2155edfc41e4a34259ca2ff5b561aa0909edc2
SHA512

b38e1988bae8df21b196f10e9308f7130bac17f5224a4d9b2086bac2ca0ffa3d9a33e6160e1a17fba8a6dea48ab4a2025eb427fe37e045280bc11c28398e3cc2

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5064	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
4988	regsvr32.exe
4988	regsvr32.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe
1080	wermgr.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4988	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4024 wrote to memory of 4648	4024	cmd.exe	82
PID 4024 wrote to memory of 4648	4024	cmd.exe	82
PID 4648 wrote to memory of 3708	4648	cmd.exe	83
PID 4648 wrote to memory of 3708	4648	cmd.exe	83
PID 4648 wrote to memory of 5064	4648	cmd.exe	84
PID 4648 wrote to memory of 5064	4648	cmd.exe	84
PID 5064 wrote to memory of 4988	5064	regsvr32.exe	85
PID 5064 wrote to memory of 4988	5064	regsvr32.exe	85
PID 5064 wrote to memory of 4988	5064	regsvr32.exe	85
PID 4988 wrote to memory of 1080	4988	regsvr32.exe	88
PID 4988 wrote to memory of 1080	4988	regsvr32.exe	88
PID 4988 wrote to memory of 1080	4988	regsvr32.exe	88
PID 4988 wrote to memory of 1080	4988	regsvr32.exe	88
PID 4988 wrote to memory of 1080	4988	regsvr32.exe	88

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:4024
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c disallowable\bankbook.cmd r3 2.e xe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\system32\replace.exe
    replace C:\Windows\system32\regsvr32.exe C:\Users\Admin\AppData\Local\Temp /A
    3⤵
    PID:3708
- - C:\Users\Admin\AppData\Local\Temp\regsvr32.exe
    regsvr32.exe disallowable\tenuit.dat
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:5064
  - - C:\Windows\SysWOW64\regsvr32.exe
      disallowable\tenuit.dat
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of WriteProcessMemory
      PID:4988
    - - C:\Windows\SysWOW64\wermgr.exe
        
        C:\Windows\SysWOW64\wermgr.exe
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:1080

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/1080-145-0x0000000000150000-0x0000000000179000-memory.dmp

Filesize
164KB

Download
memory/1080-146-0x0000000000150000-0x0000000000179000-memory.dmp

Filesize
164KB

Download
memory/4988-141-0x0000000001380000-0x00000000013AB000-memory.dmp

Filesize
172KB

Download
memory/4988-142-0x0000000001680000-0x00000000016A9000-memory.dmp

Filesize
164KB

Download
memory/4988-144-0x0000000001680000-0x00000000016A9000-memory.dmp

Filesize
164KB

Download