venus | 0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be

General

Target

0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Size

225KB
MD5

8691dae21568faaeda49bcd640e1ad23
SHA1

524b589ef403ff21cf040ef33c21b1d6d8235feb
SHA256

0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be
SHA512

870aedf4a6ee62cbfdc4c094ddf3da08fb603dc248e36baa9ae833b5f22e930650f97b7d1d1a78787c5ae40e03d131b1814ca34a7264cc9b311cb92f2f1eb30d
SSDEEP

6144:2NRgzJmXrQwAPj5XJkcXV50DErs5xgTw7ozFz254W:URglerQwAjkzDZGcoxfW

Score

10^/10

venus persistence ransomware

Malware Config

Signatures

Venus
Venus is a ransomware first seen in 2022.
ransomware venus

Venus Ransomware 5 IoCs

resource	yara_rule
behavioral1/memory/2024-55-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus
behavioral1/files/0x0007000000005c50-58.dat	family_venus
behavioral1/memory/2024-61-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus
behavioral1/memory/996-65-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus
behavioral1/memory/996-66-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus

Executes dropped EXE 1 IoCs

pid	Process
996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Deletes itself 1 IoCs

pid	Process
1644	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe = "C:\\Windows\\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe"	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\E:\$RECYCLE.BIN\S-1-5-21-999675638-2867687379-27515722-1000\desktop.ini	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
File opened (read-only)	\??\F:	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
File created	C:\Windows\6363359351972527219.png	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
520	taskkill.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon\ = "C:\\Windows\\6363359351972527219.png"	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1640	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Token: SeTcbPrivilege	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Token: SeTakeOwnershipPrivilege	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Token: SeSecurityPrivilege	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
Token: SeDebugPrivilege	520	taskkill.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 996	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	26
PID 2024 wrote to memory of 996	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	26
PID 2024 wrote to memory of 996	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	26
PID 2024 wrote to memory of 996	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	26
PID 2024 wrote to memory of 1644	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	27
PID 2024 wrote to memory of 1644	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	27
PID 2024 wrote to memory of 1644	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	27
PID 2024 wrote to memory of 1644	2024	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	27
PID 1644 wrote to memory of 1640	1644	cmd.exe	29
PID 1644 wrote to memory of 1640	1644	cmd.exe	29
PID 1644 wrote to memory of 1640	1644	cmd.exe	29
PID 996 wrote to memory of 1836	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	30
PID 996 wrote to memory of 1836	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	30
PID 996 wrote to memory of 1836	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	30
PID 996 wrote to memory of 1836	996	0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe	30
PID 1836 wrote to memory of 520	1836	cmd.exe	32
PID 1836 wrote to memory of 520	1836	cmd.exe	32
PID 1836 wrote to memory of 520	1836	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
"C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
  "C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe" g g g o n e123
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Enumerates connected drives
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:996
- - C:\Windows\System32\cmd.exe
    /C taskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1836
  - - C:\Windows\system32\taskkill.exe
      taskkill /F /IM msftesql.exe /IM sqlagent.exe /IM sqlbrowser.exe /IM sqlservr.exe /IM sqlwriter.exe /IM oracle.exe /IM ocssd.exe /IM dbsnmp.exe /IM synctime.exe /IM mydesktopqos.exe /IM agntsvc.exe /IM isqlplussvc.exe /IM xfssvccon.exe /IM mydesktopservice.exe /IM ocautoupds.exe /IM agntsvc.exe /IM agntsvc.exe /IM agntsvc.exe /IM encsvc.exe /IM firefoxconfig.exe /IM tbirdconfig.exe /IM ocomm.exe /IM mysqld.exe /IM mysqld-nt.exe /IM mysqld-opt.exe /IM dbeng50.exe /IM sqbcoreservice.exe /IM excel.exe /IM infopath.exe /IM msaccess.exe /IM mspub.exe /IM onenote.exe /IM outlook.exe /IM powerpnt.exe /IM sqlservr.exe /IM thebat64.exe /IM thunderbird.exe /IM winword.exe /IM wordpad.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:520
- C:\Windows\System32\cmd.exe
  /c ping localhost -n 3 > nul & del C:\Users\Admin\AppData\Local\Temp\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\system32\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:1640

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be.exe

Filesize
225KB

MD5
8691dae21568faaeda49bcd640e1ad23

SHA1
524b589ef403ff21cf040ef33c21b1d6d8235feb

SHA256
0a1dbcff63619c4d9072484bb17b3d06300504e836e42df98eadf57e7ad0d0be

SHA512
870aedf4a6ee62cbfdc4c094ddf3da08fb603dc248e36baa9ae833b5f22e930650f97b7d1d1a78787c5ae40e03d131b1814ca34a7264cc9b311cb92f2f1eb30d

Download Submit
memory/996-65-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/996-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2024-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

Filesize
8KB

Download
memory/2024-55-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2024-56-0x0000000002EF0000-0x0000000002F2E000-memory.dmp

Filesize
248KB

Download
memory/2024-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing