vanillarat | 9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

Analysis

max time kernel
67s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05-06-2023 17:11

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General

Target

test2.exe
Size

114KB
MD5

816dcb73aaa3ef2dafcd7dfba38ff5de
SHA1

8a0d7402fe3624d0fa27c3bfd08066f19d71f2a3
SHA256

9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa
SHA512

a9e44071779a5b49a0922012f7991f6cd2ea1d420e4640d82310c7d0b41e210000c8b73e3f8676cd47936e6b7156944cf7674138e4077cb252b32c2068a98d5f
SSDEEP

3072:ogZApdYrD28fbJB2yLtyT8bjjxK3QdjrxivW+DXnH4vymb41b:o/pe1J08bXtrxivW+D34ve

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/2772-133-0x00000000000C0000-0x00000000000E2000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\test2.exe	vanillarat
C:\Users\Admin\AppData\Roaming\test2.exe	vanillarat
C:\Users\Admin\AppData\Roaming\test2.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:

test2.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation test2.exe
Executes dropped EXE 1 IoCs

Processes:

test2.exe

pid process

3960 test2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	test2.exe

pid	process
3960	test2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

test2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\test2 = "C:\\Users\\Admin\\AppData\\Roaming\\test2.exe"	test2.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:

test2.exe

description pid process

Token: SeDebugPrivilege 2772 test2.exe

description	pid	process
Token: SeDebugPrivilege	2772	test2.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

test2.exe

description	pid	process	target process
PID 2772 wrote to memory of 3960	2772	test2.exe	test2.exe
PID 2772 wrote to memory of 3960	2772	test2.exe	test2.exe
PID 2772 wrote to memory of 3960	2772	test2.exe	test2.exe

C:\Users\Admin\AppData\Local\Temp\test2.exe
"C:\Users\Admin\AppData\Local\Temp\test2.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2772

C:\Users\Admin\AppData\Roaming\test2.exe
"C:\Users\Admin\AppData\Roaming\test2.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:3960

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\test2.exe
Filesize
114KB

MD5
816dcb73aaa3ef2dafcd7dfba38ff5de

SHA1
8a0d7402fe3624d0fa27c3bfd08066f19d71f2a3

SHA256
9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

SHA512
a9e44071779a5b49a0922012f7991f6cd2ea1d420e4640d82310c7d0b41e210000c8b73e3f8676cd47936e6b7156944cf7674138e4077cb252b32c2068a98d5f

Download Submit
C:\Users\Admin\AppData\Roaming\test2.exe
Filesize
114KB

MD5
816dcb73aaa3ef2dafcd7dfba38ff5de

SHA1
8a0d7402fe3624d0fa27c3bfd08066f19d71f2a3

SHA256
9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

SHA512
a9e44071779a5b49a0922012f7991f6cd2ea1d420e4640d82310c7d0b41e210000c8b73e3f8676cd47936e6b7156944cf7674138e4077cb252b32c2068a98d5f

Download Submit
C:\Users\Admin\AppData\Roaming\test2.exe
Filesize
114KB

MD5
816dcb73aaa3ef2dafcd7dfba38ff5de

SHA1
8a0d7402fe3624d0fa27c3bfd08066f19d71f2a3

SHA256
9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

SHA512
a9e44071779a5b49a0922012f7991f6cd2ea1d420e4640d82310c7d0b41e210000c8b73e3f8676cd47936e6b7156944cf7674138e4077cb252b32c2068a98d5f

Download Submit
memory/2772-133-0x00000000000C0000-0x00000000000E2000-memory.dmp

Filesize
136KB

Download
memory/2772-134-0x0000000005090000-0x0000000005634000-memory.dmp

Filesize
5.6MB

Download
memory/2772-135-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/2772-136-0x0000000004D10000-0x0000000004D20000-memory.dmp

Filesize
64KB

Download
memory/2772-137-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

Filesize
40KB

Download
memory/3960-149-0x0000000005B50000-0x0000000005B60000-memory.dmp

Filesize
64KB

Download
memory/3960-150-0x0000000009790000-0x00000000097F6000-memory.dmp

Filesize
408KB

Download