5ddfbe705b0cb87c996a1ebc61a337e8b5d187860c54c839cecf72a31ee375df

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2023, 12:54

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General

Target

dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe
Size

855KB
MD5

b5e2309c1fb693b96a758b2f0c687025
SHA1

dae1b4d591e82fe6843ed614c4e145f6e9e025ea
SHA256

5ddfbe705b0cb87c996a1ebc61a337e8b5d187860c54c839cecf72a31ee375df
SHA512

a4d61bff82de26552a15d1456c9497c89d602fb67b51504d03bdae690a9ca7d896e0100e28925066d905e036303c219428458d4ee5d1a7beab571e8b00787852
SSDEEP

24576:mY3rsNBOP13rqq8gMXxmxUfrFlTOG0uN+qzqmt:73rs+t3rqLgMB/Oc5zqmt

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1660	ksckukj.exe
3568	ksckukj.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	ksckukj.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1660 set thread context of 3568	1660	ksckukj.exe	83
PID 3568 set thread context of 2584	3568	ksckukj.exe	19
PID 540 set thread context of 2584	540	wlanext.exe	19

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	3960	WerFault.exe	85

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wlanext.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2584	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
1660	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
3568	ksckukj.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe
540	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3568	ksckukj.exe
Token: SeDebugPrivilege	540	wlanext.exe
Token: SeShutdownPrivilege	2584	Explorer.EXE
Token: SeCreatePagefilePrivilege	2584	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1660	ksckukj.exe
1660	ksckukj.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1660	ksckukj.exe
1660	ksckukj.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 1660	1432	dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe	82
PID 1432 wrote to memory of 1660	1432	dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe	82
PID 1432 wrote to memory of 1660	1432	dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe	82
PID 1660 wrote to memory of 3568	1660	ksckukj.exe	83
PID 1660 wrote to memory of 3568	1660	ksckukj.exe	83
PID 1660 wrote to memory of 3568	1660	ksckukj.exe	83
PID 1660 wrote to memory of 3568	1660	ksckukj.exe	83
PID 2584 wrote to memory of 540	2584	Explorer.EXE	84
PID 2584 wrote to memory of 540	2584	Explorer.EXE	84
PID 2584 wrote to memory of 540	2584	Explorer.EXE	84
PID 540 wrote to memory of 3960	540	wlanext.exe	85
PID 540 wrote to memory of 3960	540	wlanext.exe	85
PID 540 wrote to memory of 3960	540	wlanext.exe	85

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\AppData\Local\Temp\dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe
  "C:\Users\Admin\AppData\Local\Temp\dae1b4d591e82fe6843ed614c4e145f6e9e025ea.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Users\Admin\AppData\Local\Temp\ksckukj.exe
    "C:\Users\Admin\AppData\Local\Temp\ksckukj.exe" "C:\Users\Admin\AppData\Local\Temp\cqdqetk.au3"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:1660
  - - C:\Users\Admin\AppData\Local\Temp\ksckukj.exe
      "C:\Users\Admin\AppData\Local\Temp\ksckukj.exe"
      4⤵
      Executes dropped EXE
      Checks computer location settings
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:3568
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:540
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:3960
  - - C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3960 -s 184
      4⤵
      Program crash
      PID:1860

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 412 -p 3960 -ip 3960
1⤵
PID:4656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\cqdqetk.au3

Filesize
4KB

MD5
cd27b4221347524f97d63442ac6a166a

SHA1
9584be07f1aa133a1fca66f0c6feb3fcdffcd56e

SHA256
89e74a22664b2733a3510f0ad03cb44c4b3e2f3240fdc130b61a1f1f001ace18

SHA512
579734f57a510e72e9c9194b617f105cb4eedfa9afe7244436d9d9d065e86ed9bcd563d3e0d013bc3a147169d9d049effd7b7ce6772a460b4b025acc0bee1f62

Download Submit
C:\Users\Admin\AppData\Local\Temp\hafjvozeu.h

Filesize
205KB

MD5
63dba78169a2692e4ab19ddd02497ed3

SHA1
99b8504bddd8f93098f2ea6a64c62764ea2061c3

SHA256
26e6b64d9e28f2834d2207d7c00f60722c271c388891f1be6b5bbf8207d7a5f1

SHA512
eff2d5294e4d92e57d4e6b2291af51d324910cebaac3c8c49be59f8afb26b16af6d7f133f9f4af0deeebe593d0b81bad3cb5bcfce48d059b9ac4ddc1b965998b

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

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

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

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

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

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vsfxyiyqjjr.ava

Filesize
57KB

MD5
592446e8140cd471a458c9c477035d32

SHA1
5208073e4971e67f3f401778434ae48bc3840e44

SHA256
317e6329a9b0f9f646d0fb53a92ddd66f9b1b182382ff4eeb7742382e288b03c

SHA512
9f41385578b427e2575f714245087dbb3799d15f41f4f2347b96d84ba89b44aeed202cfdb81d4733418d53edf31aa46b6d43abd58ba735daf6dee1941f2b2708

Download Submit
memory/540-146-0x00000000006A0000-0x00000000006CD000-memory.dmp

Filesize
180KB

Download
memory/540-145-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/540-147-0x0000000000D80000-0x00000000010CA000-memory.dmp

Filesize
3.3MB

Download
memory/540-148-0x0000000000CB0000-0x0000000000D3F000-memory.dmp

Filesize
572KB

Download
memory/2584-142-0x0000000007900000-0x00000000079C6000-memory.dmp

Filesize
792KB

Download
memory/2584-149-0x00000000030B0000-0x00000000031B0000-memory.dmp

Filesize
1024KB

Download
memory/2584-150-0x00000000030B0000-0x00000000031B0000-memory.dmp

Filesize
1024KB

Download
memory/3568-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3568-140-0x0000000000E90000-0x00000000011DA000-memory.dmp

Filesize
3.3MB

Download
memory/3568-141-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download