vanillarat | b4d092bdd58610ec77ef6713fe7559c39a52f77d37f8a3c5044e1b95e98f969e

General

Target

Bat_To_Exe_Converter.exe
Size

267KB
MD5

8c9c29e59baf663d0b071b9efdec3bea
SHA1

dbb8afc9bab40bf175322840b01d474303c38daf
SHA256

b4d092bdd58610ec77ef6713fe7559c39a52f77d37f8a3c5044e1b95e98f969e
SHA512

5dcdb29f21c758af40c65b96e2ae2bfa3a24388fb1c924118e258b90af2ed59b676122229de424c2c26f5050e643e4a8b3add3eaa5df6c4ba361b115cecbefd3
SSDEEP

6144:EJZKBI0RyYeY4eoiJ+sCFvTK2/LZZ3Ru79kkkkkkkkkkkkkkkkskkkkkkkkkkkkq:1yYrZos+xFv5RupkkkkkkkkkkkkkkkkZ

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 7 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1548-137-0x0000000000C80000-0x0000000000CCA000-memory.dmp	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
behavioral2/memory/3664-169-0x0000000000F60000-0x0000000000F82000-memory.dmp	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat
C:\Users\Admin\AppData\Roaming\svchost.exe	vanillarat

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

Bat_To_Exe_Converter.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	Bat_To_Exe_Converter.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

3664 svchost.exe
2328 svchost.exe

pid	process
3664	svchost.exe
2328	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1498570331-2313266200-788959944-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	svchost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exe

description pid process

Token: SeDebugPrivilege 1548 Bat_To_Exe_Converter.exe
Token: SeDebugPrivilege 3664 svchost.exe

description	pid	process
Token: SeDebugPrivilege	1548	Bat_To_Exe_Converter.exe
Token: SeDebugPrivilege	3664	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exe

description	pid	process	target process
PID 1548 wrote to memory of 3664	1548	Bat_To_Exe_Converter.exe	svchost.exe
PID 1548 wrote to memory of 3664	1548	Bat_To_Exe_Converter.exe	svchost.exe
PID 1548 wrote to memory of 3664	1548	Bat_To_Exe_Converter.exe	svchost.exe
PID 3664 wrote to memory of 2328	3664	svchost.exe	svchost.exe
PID 3664 wrote to memory of 2328	3664	svchost.exe	svchost.exe
PID 3664 wrote to memory of 2328	3664	svchost.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe
"C:\Users\Admin\AppData\Local\Temp\Bat_To_Exe_Converter.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1548

C:\Users\Admin\svchost.exe
"C:\Users\Admin\svchost.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3664

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:2328

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
2e5422412d23d9f1c1dff78719447728

SHA1
00440171a8963d4454aa8e63fb3a25fd85585091

SHA256
3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

SHA512
77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe
Filesize
115KB

MD5
2e5422412d23d9f1c1dff78719447728

SHA1
00440171a8963d4454aa8e63fb3a25fd85585091

SHA256
3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

SHA512
77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
2e5422412d23d9f1c1dff78719447728

SHA1
00440171a8963d4454aa8e63fb3a25fd85585091

SHA256
3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

SHA512
77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
2e5422412d23d9f1c1dff78719447728

SHA1
00440171a8963d4454aa8e63fb3a25fd85585091

SHA256
3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

SHA512
77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

Download Submit
C:\Users\Admin\svchost.exe
Filesize
115KB

MD5
2e5422412d23d9f1c1dff78719447728

SHA1
00440171a8963d4454aa8e63fb3a25fd85585091

SHA256
3f0ce66700b7011c8fa2e8a1709c43fb79882721afa0f5e1bbeb8a5c29d81d03

SHA512
77b31e4a05b73495b4ca8698b046bef8cdec82845d316b304679b2521529be38d1dd0cd4e471cf04097ce734f588312214687ec0c8582a5ff5676b68b4e61521

Download Submit
memory/1548-137-0x0000000000C80000-0x0000000000CCA000-memory.dmp

Filesize
296KB

Download
memory/1548-174-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/1548-138-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/1548-136-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/2328-188-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/2328-189-0x0000000009F10000-0x0000000009F76000-memory.dmp

Filesize
408KB

Download
memory/2328-190-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3664-169-0x0000000000F60000-0x0000000000F82000-memory.dmp

Filesize
136KB

Download
memory/3664-170-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/3664-172-0x00000000065B0000-0x0000000006B54000-memory.dmp

Filesize
5.6MB

Download
memory/3664-173-0x0000000005D60000-0x0000000005DF2000-memory.dmp

Filesize
584KB

Download
memory/3664-175-0x0000000006220000-0x000000000622A000-memory.dmp

Filesize
40KB

Download
memory/3664-187-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads