vanillarat | 13c586ad6509932afac77a9fafe673766fe4cf5a0289346af637f12f509dfdf5

General

Target

Bat_To_Exe_Converter.exe
Size

267KB
MD5

1cdbfa6e2373ae9f65dfff190837b6b8
SHA1

94f13d2c9b5480810f99311d219a4af05fbe0852
SHA256

13c586ad6509932afac77a9fafe673766fe4cf5a0289346af637f12f509dfdf5
SHA512

b71354e69b4bc5b5c4d99510606ecfb354fd28f1d6cfbb60d81f3fa039d5fbf515d369fc0bdf7ef6a9b08dc4beb5c8326a950d8bcaf92cd086bdc1115f53c7f7
SSDEEP

6144:5JZKBI0RyYeY4eoiJ+sCFvrKN/LZZ3Ru79kkkkkkkkkkkkkkkkskkkkkkkkkkkkq:AyYrZos+xFv0RupkkkkkkkkkkkkkkkkZ

Score

10^/10

vanillarat persistence ransomware rat

Malware Config

Signatures

VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
rat vanillarat

Vanilla Rat payload 13 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/3064-54-0x00000000003C0000-0x000000000040A000-memory.dmp	vanillarat
\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
behavioral1/memory/2344-63-0x0000000001390000-0x00000000013B2000-memory.dmp	vanillarat
\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
behavioral1/memory/1608-72-0x00000000010C0000-0x00000000010E2000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
behavioral1/memory/1608-73-0x0000000004BC0000-0x0000000004C00000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
behavioral1/memory/2924-77-0x00000000048F0000-0x0000000004930000-memory.dmp	vanillarat

Executes dropped EXE 3 IoCs

Processes:

svchost.exesvchost.exesvchost.exe

pid process

2344 svchost.exe
1608 svchost.exe
2924 svchost.exe
Loads dropped DLL 2 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exe

pid process

3064 Bat_To_Exe_Converter.exe
2344 svchost.exe

pid	process
2344	svchost.exe
1608	svchost.exe
2924	svchost.exe

pid	process
3064	Bat_To_Exe_Converter.exe
2344	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-511725148-388773979-2853099937-1000\Control Panel\Desktop\wallpaper = "C:\\Users\\wallpaper.jpg"	reg.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exesvchost.exeAUDIODG.EXE

description	pid	process
Token: SeDebugPrivilege	3064	Bat_To_Exe_Converter.exe
Token: SeDebugPrivilege	2344	svchost.exe
Token: SeDebugPrivilege	1608	svchost.exe
Token: 33	2592	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2592	AUDIODG.EXE
Token: 33	2592	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2592	AUDIODG.EXE

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exesvchost.exesvchost.execmd.exe

description	pid	process	target process
PID 3064 wrote to memory of 2344	3064	Bat_To_Exe_Converter.exe	svchost.exe
PID 3064 wrote to memory of 2344	3064	Bat_To_Exe_Converter.exe	svchost.exe
PID 3064 wrote to memory of 2344	3064	Bat_To_Exe_Converter.exe	svchost.exe
PID 3064 wrote to memory of 2344	3064	Bat_To_Exe_Converter.exe	svchost.exe
PID 2344 wrote to memory of 1608	2344	svchost.exe	svchost.exe
PID 2344 wrote to memory of 1608	2344	svchost.exe	svchost.exe
PID 2344 wrote to memory of 1608	2344	svchost.exe	svchost.exe
PID 2344 wrote to memory of 1608	2344	svchost.exe	svchost.exe
PID 1608 wrote to memory of 2052	1608	svchost.exe	cmd.exe
PID 1608 wrote to memory of 2052	1608	svchost.exe	cmd.exe
PID 1608 wrote to memory of 2052	1608	svchost.exe	cmd.exe
PID 1608 wrote to memory of 2052	1608	svchost.exe	cmd.exe
PID 1608 wrote to memory of 2924	1608	svchost.exe	svchost.exe
PID 1608 wrote to memory of 2924	1608	svchost.exe	svchost.exe
PID 1608 wrote to memory of 2924	1608	svchost.exe	svchost.exe
PID 1608 wrote to memory of 2924	1608	svchost.exe	svchost.exe
PID 2924 wrote to memory of 2080	2924	svchost.exe	cmd.exe
PID 2924 wrote to memory of 2080	2924	svchost.exe	cmd.exe
PID 2924 wrote to memory of 2080	2924	svchost.exe	cmd.exe
PID 2924 wrote to memory of 2080	2924	svchost.exe	cmd.exe
PID 2080 wrote to memory of 2632	2080	cmd.exe	reg.exe
PID 2080 wrote to memory of 2632	2080	cmd.exe	reg.exe
PID 2080 wrote to memory of 2632	2080	cmd.exe	reg.exe
PID 2080 wrote to memory of 2632	2080	cmd.exe	reg.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe
PID 2080 wrote to memory of 2644	2080	cmd.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe
"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2344

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
4⤵
PID:2052

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
5⤵
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\reg.exe
reg add "HKEY_CURRENT_USER\control panel\desktop" /v wallpaper /t REG_SZ /d "C:\Users\wallpaper.jpg" /f
6⤵
- Sets desktop wallpaper using registry
PID:2632

C:\Windows\SysWOW64\rundll32.exe
RUNDLL32.EXE user32.dll,UpdatePerUserSystemParameters
6⤵
PID:2644

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x55c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
\Users\Admin\svchost.exe
Filesize
115KB

MD5
5b1f5da635d45c9ba0dc903264d9058b

SHA1
6062e2abc52514dd512ee2f2c15c8d58b04458dd

SHA256
542a120c462c5554a6954b0ae8d9a61eb381637ba2a71a2d54e863c7d6ca50a6

SHA512
680018c073f6711746639ce56616e6eb70575b720b27be093ff2d7a4d08dd289387709a6829fd15d64e61fd0514439f9af0122e6f66735c1b4d1a9f37cc8d374

Download Submit
memory/1608-72-0x00000000010C0000-0x00000000010E2000-memory.dmp

Filesize
136KB

Download
memory/1608-73-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1608-74-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/2344-64-0x0000000000D00000-0x0000000000D40000-memory.dmp

Filesize
256KB

Download
memory/2344-63-0x0000000001390000-0x00000000013B2000-memory.dmp

Filesize
136KB

Download
memory/2924-77-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/2924-78-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/3064-54-0x00000000003C0000-0x000000000040A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads