vanillarat | 1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517

General

Target

1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe
Size

139KB
MD5

24498ef58f4b76004f41963465e9785a
SHA1

4c05441356ef77d59d93e0b623229b910aafc052
SHA256

1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517
SHA512

103a622c5dd70823bf92f79f794943e17129556b89533bb5ca537402ff30f0c2236d0f595ae401a5d81d436b109eb07f0333c6e1f148897a5c50f7efcdf292b6

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 3 IoCs

rat

resource	yara_rule
behavioral1/files/0x000700000001223d-58.dat	vanillarat
behavioral1/files/0x000700000001223d-60.dat	vanillarat
behavioral1/files/0x000700000001223d-61.dat	vanillarat

Executes dropped EXE 1 IoCs

pid	Process
560	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe

Loads dropped DLL 1 IoCs

pid	Process
680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.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-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517 = "C:\\Users\\Admin\\AppData\\Roaming\\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe"	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.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	680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 680 wrote to memory of 560	680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe	28
PID 680 wrote to memory of 560	680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe	28
PID 680 wrote to memory of 560	680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe	28
PID 680 wrote to memory of 560	680	1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe	28

C:\Users\Admin\AppData\Local\Temp\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe
"C:\Users\Admin\AppData\Local\Temp\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:680
- C:\Users\Admin\AppData\Roaming\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe
  "C:\Users\Admin\AppData\Roaming\1ba043db198ade08d2945c34900a4e2e643137953e240ed6289f2d66b5cfc517.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:560

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/560-62-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/560-64-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Filesize
4KB

Download
memory/680-55-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/680-57-0x0000000001D90000-0x0000000001D91000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing