vanillarat | 9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

Analysis

max time kernel
28s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
05-06-2023 16:57

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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 8 IoCs

rat

resource	yara_rule
behavioral1/memory/2040-54-0x0000000001070000-0x0000000001092000-memory.dmp	vanillarat
behavioral1/memory/2040-55-0x0000000004EA0000-0x0000000004EE0000-memory.dmp	vanillarat
behavioral1/files/0x000a0000000134bf-61.dat	vanillarat
behavioral1/files/0x000a0000000134bf-58.dat	vanillarat
behavioral1/files/0x000a0000000134bf-62.dat	vanillarat
behavioral1/memory/1992-63-0x00000000012B0000-0x00000000012D2000-memory.dmp	vanillarat
behavioral1/memory/1992-64-0x00000000011E0000-0x0000000001220000-memory.dmp	vanillarat
behavioral1/memory/1992-65-0x00000000011E0000-0x0000000001220000-memory.dmp	vanillarat

Executes dropped EXE 1 IoCs

pid	Process
1992	test2.exe

Loads dropped DLL 1 IoCs

pid	Process
2040	test2.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-1-5-21-2647223082-2067913677-935928954-1000\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

description	pid	Process
Token: SeDebugPrivilege	2040	test2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1992	2040	test2.exe	28
PID 2040 wrote to memory of 1992	2040	test2.exe	28
PID 2040 wrote to memory of 1992	2040	test2.exe	28
PID 2040 wrote to memory of 1992	2040	test2.exe	28

C:\Users\Admin\AppData\Local\Temp\test2.exe
"C:\Users\Admin\AppData\Local\Temp\test2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040
- 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:1992

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

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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
\Users\Admin\AppData\Roaming\test2.exe

Filesize
114KB

MD5
816dcb73aaa3ef2dafcd7dfba38ff5de

SHA1
8a0d7402fe3624d0fa27c3bfd08066f19d71f2a3

SHA256
9513a8b064250a333c2f0b87f00dbfedef65585e5d0c9c7295c7cc75e52407fa

SHA512
a9e44071779a5b49a0922012f7991f6cd2ea1d420e4640d82310c7d0b41e210000c8b73e3f8676cd47936e6b7156944cf7674138e4077cb252b32c2068a98d5f

Download Submit
memory/1992-63-0x00000000012B0000-0x00000000012D2000-memory.dmp

Filesize
136KB

Download
memory/1992-64-0x00000000011E0000-0x0000000001220000-memory.dmp

Filesize
256KB

Download
memory/1992-65-0x00000000011E0000-0x0000000001220000-memory.dmp

Filesize
256KB

Download
memory/2040-54-0x0000000001070000-0x0000000001092000-memory.dmp

Filesize
136KB

Download
memory/2040-55-0x0000000004EA0000-0x0000000004EE0000-memory.dmp

Filesize
256KB

Download