venus | 931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224

General

Target

931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Size

225KB
MD5

e75c4033f31862d8e71afe87620e2cce
SHA1

ff5095b2501fd9beee4fbe0f2a17a3151b540476
SHA256

931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224
SHA512

00210ec5079aa9adbe594b009ec0f6f866295fb4191dc55c4214cb876e88bfc81aa41701dfa7c7b4964363fded98d78d1b0361b78c62a80bea07dad52f7ce5f0
SSDEEP

6144:xQJmXLQwAhWUkJ0kfV50DErCMxgTw7ozFD254W:xeeLQwAi07DKGcopfW

Score

10^/10

venus evasion persistence ransomware

Malware Config

Signatures

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

Venus Ransomware 4 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ef-57.dat	family_venus
behavioral1/memory/1688-59-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus
behavioral1/memory/1016-66-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus
behavioral1/memory/1016-67-0x0000000000400000-0x000000000043E000-memory.dmp	family_venus

Executes dropped EXE 1 IoCs

pid	Process
1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
764	netsh.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe = "C:\\Windows\\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe"	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	\??\E:\$RECYCLE.BIN\S-1-5-21-3406023954-474543476-3319432036-1000\desktop.ini	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).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:	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
File opened (read-only)	\??\F:	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
File created	C:\Windows\7749464881972527219.png	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).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
1700	taskkill.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.venus\DefaultIcon\ = "C:\\Windows\\7749464881972527219.png"	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
564	PING.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Token: SeTcbPrivilege	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Token: SeTakeOwnershipPrivilege	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Token: SeSecurityPrivilege	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
Token: SeDebugPrivilege	1700	taskkill.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1016	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	28
PID 1688 wrote to memory of 1016	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	28
PID 1688 wrote to memory of 1016	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	28
PID 1688 wrote to memory of 1016	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	28
PID 1688 wrote to memory of 336	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	29
PID 1688 wrote to memory of 336	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	29
PID 1688 wrote to memory of 336	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	29
PID 1688 wrote to memory of 336	1688	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	29
PID 336 wrote to memory of 564	336	cmd.exe	31
PID 336 wrote to memory of 564	336	cmd.exe	31
PID 336 wrote to memory of 564	336	cmd.exe	31
PID 1016 wrote to memory of 944	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	32
PID 1016 wrote to memory of 944	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	32
PID 1016 wrote to memory of 944	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	32
PID 1016 wrote to memory of 944	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	32
PID 1016 wrote to memory of 548	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	34
PID 1016 wrote to memory of 548	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	34
PID 1016 wrote to memory of 548	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	34
PID 1016 wrote to memory of 548	1016	931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe	34
PID 944 wrote to memory of 764	944	cmd.exe	36
PID 944 wrote to memory of 764	944	cmd.exe	36
PID 944 wrote to memory of 764	944	cmd.exe	36
PID 548 wrote to memory of 1700	548	cmd.exe	37
PID 548 wrote to memory of 1700	548	cmd.exe	37
PID 548 wrote to memory of 1700	548	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
"C:\Users\Admin\AppData\Local\Temp\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
  "C:\Windows\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).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:1016
- - C:\Windows\System32\cmd.exe
    /C netsh advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:944
  - - C:\Windows\system32\netsh.exe
      netsh advfirewall firewall set rule group="File and Printer Sharing" new enable=Yes
      4⤵
      Modifies Windows Firewall
      PID:764
- - 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:548
  - - 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:1700
- C:\Windows\System32\cmd.exe
  /c ping localhost -n 3 > nul & del C:\Users\Admin\AppData\Local\Temp\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:336
- - C:\Windows\system32\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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\931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224 (1).exe

Filesize
225KB

MD5
e75c4033f31862d8e71afe87620e2cce

SHA1
ff5095b2501fd9beee4fbe0f2a17a3151b540476

SHA256
931cab7fbc0eb2bbc5768f8abdcc029cef76aff98540d9f5214786dccdb6a224

SHA512
00210ec5079aa9adbe594b009ec0f6f866295fb4191dc55c4214cb876e88bfc81aa41701dfa7c7b4964363fded98d78d1b0361b78c62a80bea07dad52f7ce5f0

Download Submit
memory/764-64-0x000007FEFBA41000-0x000007FEFBA43000-memory.dmp

Filesize
8KB

Download
memory/1016-66-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1016-67-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1688-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1688-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing