vanillarat | 5457e63322d9eed080807b8fcc91bf1db6b71418f9f56a28a1f77e3de2e9053f

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
25-01-2023 04:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

user-PC.exe
Size

114KB
MD5

13339515c6424f70fdfcbfa1d5f22cba
SHA1

24947a5af2576155e13b2af69337d645ccd9ccff
SHA256

5457e63322d9eed080807b8fcc91bf1db6b71418f9f56a28a1f77e3de2e9053f
SHA512

f49203cd23e7ee614d1ab89453d29e02e93c0e0814eff27c841b825493ca3842dd88861769df87c9c7df31b568f46eba56f833c0622a7d85556c3bc522740544
SSDEEP

3072:EgZApdYrD28fbJB2yLtyTkbjjxK3QdjrxivW+DXnH4vymbs1j:E/pe1J0kbXtrxivW+D34vq

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 5 IoCs

rat

resource	yara_rule
behavioral1/memory/1644-54-0x0000000000880000-0x00000000008A2000-memory.dmp	vanillarat
behavioral1/files/0x000a000000012311-56.dat	vanillarat
behavioral1/files/0x000a000000012311-59.dat	vanillarat
behavioral1/files/0x000a000000012311-58.dat	vanillarat
behavioral1/memory/948-60-0x0000000000F00000-0x0000000000F22000-memory.dmp	vanillarat

Executes dropped EXE 1 IoCs

pid	Process
948	user-PC.exe

Loads dropped DLL 1 IoCs

pid	Process
1644	user-PC.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\user-PC = "C:\\Users\\Admin\\AppData\\Roaming\\user-PC.exe"	user-PC.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1644	user-PC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 948	1644	user-PC.exe	28
PID 1644 wrote to memory of 948	1644	user-PC.exe	28
PID 1644 wrote to memory of 948	1644	user-PC.exe	28
PID 1644 wrote to memory of 948	1644	user-PC.exe	28

C:\Users\Admin\AppData\Local\Temp\user-PC.exe
"C:\Users\Admin\AppData\Local\Temp\user-PC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Roaming\user-PC.exe
  "C:\Users\Admin\AppData\Roaming\user-PC.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\user-PC.exe

Filesize
114KB

MD5
13339515c6424f70fdfcbfa1d5f22cba

SHA1
24947a5af2576155e13b2af69337d645ccd9ccff

SHA256
5457e63322d9eed080807b8fcc91bf1db6b71418f9f56a28a1f77e3de2e9053f

SHA512
f49203cd23e7ee614d1ab89453d29e02e93c0e0814eff27c841b825493ca3842dd88861769df87c9c7df31b568f46eba56f833c0622a7d85556c3bc522740544

Download Submit
C:\Users\Admin\AppData\Roaming\user-PC.exe

Filesize
114KB

MD5
13339515c6424f70fdfcbfa1d5f22cba

SHA1
24947a5af2576155e13b2af69337d645ccd9ccff

SHA256
5457e63322d9eed080807b8fcc91bf1db6b71418f9f56a28a1f77e3de2e9053f

SHA512
f49203cd23e7ee614d1ab89453d29e02e93c0e0814eff27c841b825493ca3842dd88861769df87c9c7df31b568f46eba56f833c0622a7d85556c3bc522740544

Download Submit
\Users\Admin\AppData\Roaming\user-PC.exe

Filesize
114KB

MD5
13339515c6424f70fdfcbfa1d5f22cba

SHA1
24947a5af2576155e13b2af69337d645ccd9ccff

SHA256
5457e63322d9eed080807b8fcc91bf1db6b71418f9f56a28a1f77e3de2e9053f

SHA512
f49203cd23e7ee614d1ab89453d29e02e93c0e0814eff27c841b825493ca3842dd88861769df87c9c7df31b568f46eba56f833c0622a7d85556c3bc522740544

Download Submit
memory/948-60-0x0000000000F00000-0x0000000000F22000-memory.dmp

Filesize
136KB

Download
memory/1644-54-0x0000000000880000-0x00000000008A2000-memory.dmp

Filesize
136KB

Download
memory/1644-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download