e2f9f0655c5ac6d7d9ce41575f573a68d78ea054219f4e967ad11e3be20cbcf4

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
02/03/2023, 12:33

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

3.1.exe
Size

5.4MB
MD5

ab6b2550e47b2adf7529bb859b471b24
SHA1

87ecc7cec705b918db03de662d6162ceb1323a7c
SHA256

e2f9f0655c5ac6d7d9ce41575f573a68d78ea054219f4e967ad11e3be20cbcf4
SHA512

e843d6b401844d1be96956793412d31efcebf02e97663764fc53dd4a687ceef846f006bc965a0292e65268a0d893b896444bc6562d5019946b15cb302e74251a
SSDEEP

98304:I4/BpzsmYgiIrGKCeoGMNIUHRjbNWUTu4jSlOjh2f:I4ZpnJGKC9VTu6SEha

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\gpedit.msc	mmc.exe
File opened for modification	C:\Windows\System32\GroupPolicy	mmc.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	mmc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 15 IoCs

pid	Process
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe
2688	3.1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4080	mmc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	4080	mmc.exe
Token: SeIncBasePriorityPrivilege	4080	mmc.exe
Token: 33	4080	mmc.exe
Token: SeIncBasePriorityPrivilege	4080	mmc.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2688	3.1.exe
2688	3.1.exe
4080	mmc.exe
4080	mmc.exe
4080	mmc.exe
4080	mmc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 4880	2688	3.1.exe	85
PID 2688 wrote to memory of 4880	2688	3.1.exe	85
PID 2688 wrote to memory of 4880	2688	3.1.exe	85

C:\Users\Admin\AppData\Local\Temp\3.1.exe
"C:\Users\Admin\AppData\Local\Temp\3.1.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start C:\ProgramData\114514
  2⤵
  - Modifies registry class
  PID:4880

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4504

C:\Windows\system32\mmc.exe
"C:\Windows\system32\mmc.exe" "C:\Windows\System32\gpedit.msc"
1⤵
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4080

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

Loading Replay Monitor...

Downloads

memory/2688-155-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-134-0x000000007EFE0000-0x000000007F3B1000-memory.dmp

Filesize
3.8MB

Download
memory/2688-143-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-145-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-172-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-147-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-149-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-151-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-170-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-153-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-160-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-158-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-133-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-168-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-162-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-164-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/2688-166-0x0000000000D30000-0x000000000234C000-memory.dmp

Filesize
22.1MB

Download
memory/4080-161-0x0000000004DA0000-0x0000000006417000-memory.dmp

Filesize
22.5MB

Download
memory/4080-154-0x0000000004DA0000-0x0000000006417000-memory.dmp

Filesize
22.5MB

Download
memory/4080-146-0x0000000004DA0000-0x0000000006417000-memory.dmp

Filesize
22.5MB

Download