92ac711db16da541e06c5195050f6fbd8915255c79ded58f70ba030d37135ceb

Resubmissions

25-09-2024 14:01

240925-rb2vcsygnl 10

25-09-2024 10:29

240925-mh8t2azgnl 10

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 10:29

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General

Target

GJecwa34.cpl.exe
Size

873KB
MD5

5b2ac6ed9b0830ec7f1c9eb7deb38c66
SHA1

0f1011748dfff6a0d0f0c0b9b8bc045da54080a6
SHA256

92ac711db16da541e06c5195050f6fbd8915255c79ded58f70ba030d37135ceb
SHA512

d1509fbdf410c943b2df1f05f1ece680dbd45b6090b43985707f6ebccf940cf4d384a235838d75df8f72b688c41fbfc0ef41347dee869de2d7e3dd5aa1da68f8
SSDEEP

24576:QLVxajaoPDR60nXKJxrYUrG/fNfhgsqYREh3TR:Q/b3MNJgsqYRed

Score

10^/10

credential_access defense_evasion discovery execution impact persistence ransomware spyware stealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\Decryptfiles.txt

Ransom Note

ATTENTION! Don't worry, you can return your files! All your files like photos, videos and other important documents are encrypted with a strong encryption algorithm and unique key. The only method of recovering files is to purchase a decrypt tool and your key. Do not try to recover your files without a decrypt tool, you may damage them making them impossible to recover we advise you contact us in less than 72 hours, otherwise there is a possibility that your files will never be returned. We will not wait for your letter for a long time, mail can be abused, we are moving on, hurry up with the decision. Check your email 'Spam' or 'Junk' foeder if you don't get answer within 6 hours. Contact us email :[email protected] Attach this file in the email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

Emails

[email protected]

Signatures

Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware defense_evasion impact execution

File Deletion
T1070.004

Inhibit System Recovery
T1490

Windows Management Instrumentation
T1047
Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Decryptfiles.txt	GJecwa34.cpl.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\Decryptfiles.txt	GJecwa34.cpl.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\XPSUDTARW = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GJecwa34.cpl.exe"	GJecwa34.cpl.exe

Drops desktop.ini file(s) 10 IoCs

description	ioc	Process
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Maintenance\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Default\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\System Tools\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\SendTo\Desktop.ini	GJecwa34.cpl.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Accessories\Accessibility\Desktop.ini	GJecwa34.cpl.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GJecwa34.cpl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1292	cmd.exe
1660	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1660	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1332	GJecwa34.cpl.exe
1332	GJecwa34.cpl.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2816	wmic.exe
Token: SeSecurityPrivilege	2816	wmic.exe
Token: SeTakeOwnershipPrivilege	2816	wmic.exe
Token: SeLoadDriverPrivilege	2816	wmic.exe
Token: SeSystemProfilePrivilege	2816	wmic.exe
Token: SeSystemtimePrivilege	2816	wmic.exe
Token: SeProfSingleProcessPrivilege	2816	wmic.exe
Token: SeIncBasePriorityPrivilege	2816	wmic.exe
Token: SeCreatePagefilePrivilege	2816	wmic.exe
Token: SeBackupPrivilege	2816	wmic.exe
Token: SeRestorePrivilege	2816	wmic.exe
Token: SeShutdownPrivilege	2816	wmic.exe
Token: SeDebugPrivilege	2816	wmic.exe
Token: SeSystemEnvironmentPrivilege	2816	wmic.exe
Token: SeRemoteShutdownPrivilege	2816	wmic.exe
Token: SeUndockPrivilege	2816	wmic.exe
Token: SeManageVolumePrivilege	2816	wmic.exe
Token: 33	2816	wmic.exe
Token: 34	2816	wmic.exe
Token: 35	2816	wmic.exe
Token: SeIncreaseQuotaPrivilege	276	wmic.exe
Token: SeSecurityPrivilege	276	wmic.exe
Token: SeTakeOwnershipPrivilege	276	wmic.exe
Token: SeLoadDriverPrivilege	276	wmic.exe
Token: SeSystemProfilePrivilege	276	wmic.exe
Token: SeSystemtimePrivilege	276	wmic.exe
Token: SeProfSingleProcessPrivilege	276	wmic.exe
Token: SeIncBasePriorityPrivilege	276	wmic.exe
Token: SeCreatePagefilePrivilege	276	wmic.exe
Token: SeBackupPrivilege	276	wmic.exe
Token: SeRestorePrivilege	276	wmic.exe
Token: SeShutdownPrivilege	276	wmic.exe
Token: SeDebugPrivilege	276	wmic.exe
Token: SeSystemEnvironmentPrivilege	276	wmic.exe
Token: SeRemoteShutdownPrivilege	276	wmic.exe
Token: SeUndockPrivilege	276	wmic.exe
Token: SeManageVolumePrivilege	276	wmic.exe
Token: 33	276	wmic.exe
Token: 34	276	wmic.exe
Token: 35	276	wmic.exe
Token: SeIncreaseQuotaPrivilege	2816	wmic.exe
Token: SeSecurityPrivilege	2816	wmic.exe
Token: SeTakeOwnershipPrivilege	2816	wmic.exe
Token: SeLoadDriverPrivilege	2816	wmic.exe
Token: SeSystemProfilePrivilege	2816	wmic.exe
Token: SeSystemtimePrivilege	2816	wmic.exe
Token: SeProfSingleProcessPrivilege	2816	wmic.exe
Token: SeIncBasePriorityPrivilege	2816	wmic.exe
Token: SeCreatePagefilePrivilege	2816	wmic.exe
Token: SeBackupPrivilege	2816	wmic.exe
Token: SeRestorePrivilege	2816	wmic.exe
Token: SeShutdownPrivilege	2816	wmic.exe
Token: SeDebugPrivilege	2816	wmic.exe
Token: SeSystemEnvironmentPrivilege	2816	wmic.exe
Token: SeRemoteShutdownPrivilege	2816	wmic.exe
Token: SeUndockPrivilege	2816	wmic.exe
Token: SeManageVolumePrivilege	2816	wmic.exe
Token: 33	2816	wmic.exe
Token: 34	2816	wmic.exe
Token: 35	2816	wmic.exe
Token: SeIncreaseQuotaPrivilege	276	wmic.exe
Token: SeSecurityPrivilege	276	wmic.exe
Token: SeTakeOwnershipPrivilege	276	wmic.exe
Token: SeLoadDriverPrivilege	276	wmic.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 2816	1332	GJecwa34.cpl.exe	30
PID 1332 wrote to memory of 2816	1332	GJecwa34.cpl.exe	30
PID 1332 wrote to memory of 2816	1332	GJecwa34.cpl.exe	30
PID 1332 wrote to memory of 2816	1332	GJecwa34.cpl.exe	30
PID 1332 wrote to memory of 276	1332	GJecwa34.cpl.exe	32
PID 1332 wrote to memory of 276	1332	GJecwa34.cpl.exe	32
PID 1332 wrote to memory of 276	1332	GJecwa34.cpl.exe	32
PID 1332 wrote to memory of 276	1332	GJecwa34.cpl.exe	32
PID 1332 wrote to memory of 1292	1332	GJecwa34.cpl.exe	34
PID 1332 wrote to memory of 1292	1332	GJecwa34.cpl.exe	34
PID 1332 wrote to memory of 1292	1332	GJecwa34.cpl.exe	34
PID 1332 wrote to memory of 1292	1332	GJecwa34.cpl.exe	34
PID 1292 wrote to memory of 1660	1292	cmd.exe	36
PID 1292 wrote to memory of 1660	1292	cmd.exe	36
PID 1292 wrote to memory of 1660	1292	cmd.exe	36
PID 1292 wrote to memory of 1660	1292	cmd.exe	36

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\GJecwa34.cpl.exe
"C:\Users\Admin\AppData\Local\Temp\GJecwa34.cpl.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1332
- \??\c:\Windows\system32\wbem\wmic.exe
  c:\DiKFMT\DiKF\..\..\Windows\DiKF\DiKF\..\..\system32\DiKF\DiKF\..\..\wbem\DiKF\DiKFM\..\..\wmic.exe shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2816
- \??\c:\Windows\system32\wbem\wmic.exe
  c:\fnirKI\fnir\..\..\Windows\fnir\fnir\..\..\system32\fnir\fnir\..\..\wbem\fnir\fnirK\..\..\wmic.exe shadowcopy delete
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:276
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\GJecwa34.cpl.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\SysWOW64\PING.EXE
    ping 1.1.1.1 -n 1 -w 3000
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:1660

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:2144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Windows Management Instrumentation

T1047

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Decryptfiles.txt

Filesize
4KB

MD5
ed56d7fc881b9e6438a8c91cd4b1542f

SHA1
f067ee897352106349522da7adf5e44bce07c427

SHA256
b9985940a87f21deed1a494cf94488b7ef606c1bec5c9d1b10b5710edc9af600

SHA512
e2ae7badaf2565d3ae77820be71b1c3b0178676d108c298dcd7adf2314f18d73f8411bb239f22f855883c64efb5e4ca08a3b9c67df3fc34297fd9c636e37be56

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