vanillarat | 5a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df

General

Target

TeamViewer_Setup.exe
Size

152KB
MD5

3854db59d8c7964dde765803e7e380b6
SHA1

e5d981f6798cb902b7091944cdd7badafb7e0322
SHA256

5a6dfde115172be8d295c748b4a681aabc1e7c105267e84e552c0c24518764df
SHA512

3c239f667c92716ae6ac2e01cf208d18b4ab0eab61d776b757b151ff9899ba8648593c37b0b9f7c26f672255c07951b62b1cd1fb0ac84431f0aaf18690db83fa
SSDEEP

3072:EJZKnPE2YyJzELtyTJyYeY8lNgoiJ+sX8HFvytbcNGInicz+:EJZKBI0JyYeY4eoiJ+sCFvPnNz+

Score

10^/10

vanillarat persistence rat

Malware Config

Signatures

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

Vanilla Rat payload 7 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2864-122-0x00000000008B0000-0x00000000008DE000-memory.dmp	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
behavioral2/memory/4312-129-0x0000000000890000-0x00000000008B2000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

4312 svchost.exe
2128 svchost.exe

pid	process
4312	svchost.exe
2128	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2393848421-2120571652-2495149697-1000\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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2544 2864 WerFault.exe TeamViewer_Setup.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TeamViewer_Setup.exesvchost.exe

description pid process

Token: SeDebugPrivilege 2864 TeamViewer_Setup.exe
Token: SeDebugPrivilege 4312 svchost.exe

pid	pid_target	process	target process
2544	2864	WerFault.exe	TeamViewer_Setup.exe

description	pid	process
Token: SeDebugPrivilege	2864	TeamViewer_Setup.exe
Token: SeDebugPrivilege	4312	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

TeamViewer_Setup.exesvchost.exe

description	pid	process	target process
PID 2864 wrote to memory of 4312	2864	TeamViewer_Setup.exe	svchost.exe
PID 2864 wrote to memory of 4312	2864	TeamViewer_Setup.exe	svchost.exe
PID 2864 wrote to memory of 4312	2864	TeamViewer_Setup.exe	svchost.exe
PID 4312 wrote to memory of 2128	4312	svchost.exe	svchost.exe
PID 4312 wrote to memory of 2128	4312	svchost.exe	svchost.exe
PID 4312 wrote to memory of 2128	4312	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\TeamViewer_Setup.exe
"C:\Users\Admin\AppData\Local\Temp\TeamViewer_Setup.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4312

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 1456
2⤵
- Program crash
PID:2544

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

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

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

MD5
99198c628ae018b8b7d043514141bded

SHA1
fa9b200d99530fb5efb36e7f928ad01f4dec5ed8

SHA256
160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895

SHA512
0dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a

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

MD5
99198c628ae018b8b7d043514141bded

SHA1
fa9b200d99530fb5efb36e7f928ad01f4dec5ed8

SHA256
160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895

SHA512
0dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a

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

MD5
99198c628ae018b8b7d043514141bded

SHA1
fa9b200d99530fb5efb36e7f928ad01f4dec5ed8

SHA256
160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895

SHA512
0dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a

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

MD5
99198c628ae018b8b7d043514141bded

SHA1
fa9b200d99530fb5efb36e7f928ad01f4dec5ed8

SHA256
160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895

SHA512
0dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a

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

MD5
99198c628ae018b8b7d043514141bded

SHA1
fa9b200d99530fb5efb36e7f928ad01f4dec5ed8

SHA256
160c2339126bc7800801d9d41d688f88d2d2656f711e8bc53a74fe179510e895

SHA512
0dd0f1210120d2a3838135f250460cac64ad50ee4d7393409923dadde0f8a791288ef0a2cba96e6b9ee8bb27e190b403d3c1dfd2f4a0e2262543100fdd404f4a

Download Submit
memory/2128-141-0x0000000005A00000-0x0000000005B00000-memory.dmp

Filesize
1024KB

Download
memory/2128-140-0x0000000009B00000-0x0000000009B66000-memory.dmp

Filesize
408KB

Download
memory/2128-139-0x0000000005A00000-0x0000000005B00000-memory.dmp

Filesize
1024KB

Download
memory/2864-122-0x00000000008B0000-0x00000000008DE000-memory.dmp

Filesize
184KB

Download
memory/4312-129-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4312-133-0x0000000005900000-0x0000000005A00000-memory.dmp

Filesize
1024KB

Download
memory/4312-132-0x0000000002FB0000-0x0000000002FBA000-memory.dmp

Filesize
40KB

Download
memory/4312-131-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/4312-130-0x0000000005C00000-0x00000000060FE000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads