vanillarat | 4cf43fb3fd0c9512573a0f601f74101816706cc5e71470ab84e106cf29cbf589

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2023 08:29

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General

Target

SynapseFromWish/injector.exe
Size

114KB
MD5

311b5c55bcd7a7bf987d264a3904770e
SHA1

7df136430c19887e24cff480d6346dc9e75d2029
SHA256

680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504
SHA512

686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271
SSDEEP

3072:vgZApdYrD28fbJB2yLtyTQbjjxK3QdjrxivW+DXnH4vymbsF1Y:v/pe1J0QbXtrxivW+D34v4

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4500-0-0x0000000000310000-0x0000000000332000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\injector.exe	vanillarat
C:\Users\Admin\AppData\Roaming\injector.exe	vanillarat
C:\Users\Admin\AppData\Roaming\injector.exe	vanillarat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

injector.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\Control Panel\International\Geo\Nation	injector.exe

Executes dropped EXE 1 IoCs

Processes:

injector.exe

pid process

4088 injector.exe

pid	process
4088	injector.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

injector.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4078585466-1563564224-3678410669-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\injector = "C:\\Users\\Admin\\AppData\\Roaming\\injector.exe"	injector.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

injector.exe

description pid process

Token: SeDebugPrivilege 4500 injector.exe

description	pid	process
Token: SeDebugPrivilege	4500	injector.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

injector.exe

description	pid	process	target process
PID 4500 wrote to memory of 4088	4500	injector.exe	injector.exe
PID 4500 wrote to memory of 4088	4500	injector.exe	injector.exe
PID 4500 wrote to memory of 4088	4500	injector.exe	injector.exe

C:\Users\Admin\AppData\Local\Temp\SynapseFromWish\injector.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseFromWish\injector.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4500

C:\Users\Admin\AppData\Roaming\injector.exe
"C:\Users\Admin\AppData\Roaming\injector.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4088

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\injector.exe
Filesize
114KB

MD5
311b5c55bcd7a7bf987d264a3904770e

SHA1
7df136430c19887e24cff480d6346dc9e75d2029

SHA256
680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

SHA512
686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

Download Submit
C:\Users\Admin\AppData\Roaming\injector.exe
Filesize
114KB

MD5
311b5c55bcd7a7bf987d264a3904770e

SHA1
7df136430c19887e24cff480d6346dc9e75d2029

SHA256
680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

SHA512
686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

Download Submit
C:\Users\Admin\AppData\Roaming\injector.exe
Filesize
114KB

MD5
311b5c55bcd7a7bf987d264a3904770e

SHA1
7df136430c19887e24cff480d6346dc9e75d2029

SHA256
680d7600e0985ce1ec135784b11cf8eef62d4e6dcb540ccc082e339dffa89504

SHA512
686a8041c9c1edb40e86439052813e78dab7b86e6d02b35268cf65780046ba164d3a26481c34247beac9c4518e4f69ceb5228e9f7af378ad83a5449e9573b271

Download Submit
memory/4088-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4088-19-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4088-20-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4088-21-0x0000000005640000-0x0000000005650000-memory.dmp

Filesize
64KB

Download
memory/4500-4-0x0000000004F70000-0x0000000004F80000-memory.dmp

Filesize
64KB

Download
memory/4500-5-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/4500-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/4500-2-0x0000000005410000-0x00000000059B4000-memory.dmp

Filesize
5.6MB

Download
memory/4500-1-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4500-0-0x0000000000310000-0x0000000000332000-memory.dmp

Filesize
136KB

Download
memory/4500-18-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download