vanillarat | 99cb2f3bcdecd478de5ac0bd47297fc73356a094baa1d9ad806ae1e684cd4096

General

Target

Bat_To_Exe_Converter.exe
Size

267KB
MD5

4c8b09399380e02a5ec45eec25749cec
SHA1

36a2dbc5184edaa3f3b205a7c2ddf0ca4a4112ae
SHA256

99cb2f3bcdecd478de5ac0bd47297fc73356a094baa1d9ad806ae1e684cd4096
SHA512

bb6336caaf560b6df9b819882692104039620705affe252fe3c6146750bca97249e68f8e489729e347626f3597b049eed2b80aaf80441c3858f3938e5be9ca83
SSDEEP

6144:9JZKBI0RyYeY4eoiJ+sCFvyKj/LZZ3Ru79kkkkkkkkkkkkkkkkskkkkkkkkkkkkq:0yYrZos+xFvTRupkkkkkkkkkkkkkkkkZ

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
behavioral3/memory/1424-133-0x0000000000880000-0x00000000008CA000-memory.dmp	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
C:\Users\Admin\svchost.exe	vanillarat
behavioral3/memory/5024-166-0x0000000000CB0000-0x0000000000CD2000-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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	Bat_To_Exe_Converter.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 2 IoCs

Processes:

svchost.exesvchost.exe

pid process

5024 svchost.exe
4940 svchost.exe

pid	process
5024	svchost.exe
4940	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-1-5-21-4176143399-3250363947-192774652-1000\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 1424 Bat_To_Exe_Converter.exe
Token: SeDebugPrivilege 5024 svchost.exe

description	pid	process
Token: SeDebugPrivilege	1424	Bat_To_Exe_Converter.exe
Token: SeDebugPrivilege	5024	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Bat_To_Exe_Converter.exesvchost.exe

description	pid	process	target process
PID 1424 wrote to memory of 5024	1424	Bat_To_Exe_Converter.exe	svchost.exe
PID 1424 wrote to memory of 5024	1424	Bat_To_Exe_Converter.exe	svchost.exe
PID 1424 wrote to memory of 5024	1424	Bat_To_Exe_Converter.exe	svchost.exe
PID 5024 wrote to memory of 4940	5024	svchost.exe	svchost.exe
PID 5024 wrote to memory of 4940	5024	svchost.exe	svchost.exe
PID 5024 wrote to memory of 4940	5024	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:1424

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:5024

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:4940

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

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Downloads

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

MD5
60693deb183633f99736c90e9469d405

SHA1
f1dbd699f0d0694ccf54204f5894806d1eb5fa24

SHA256
88375a89edfe2edc1032abc6acc7debf6c0df55b15b8b1c5dfe3655a303f5977

SHA512
6cca558d8d4014adaab2ca67d7f932d42ff4f10ef857861ef6dc3d1f385c4767fa121e129ee5c957ced2fa0d2f175a1bc0b64d5c8b727cc3822da20bd92cf696

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

MD5
60693deb183633f99736c90e9469d405

SHA1
f1dbd699f0d0694ccf54204f5894806d1eb5fa24

SHA256
88375a89edfe2edc1032abc6acc7debf6c0df55b15b8b1c5dfe3655a303f5977

SHA512
6cca558d8d4014adaab2ca67d7f932d42ff4f10ef857861ef6dc3d1f385c4767fa121e129ee5c957ced2fa0d2f175a1bc0b64d5c8b727cc3822da20bd92cf696

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

MD5
60693deb183633f99736c90e9469d405

SHA1
f1dbd699f0d0694ccf54204f5894806d1eb5fa24

SHA256
88375a89edfe2edc1032abc6acc7debf6c0df55b15b8b1c5dfe3655a303f5977

SHA512
6cca558d8d4014adaab2ca67d7f932d42ff4f10ef857861ef6dc3d1f385c4767fa121e129ee5c957ced2fa0d2f175a1bc0b64d5c8b727cc3822da20bd92cf696

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

MD5
60693deb183633f99736c90e9469d405

SHA1
f1dbd699f0d0694ccf54204f5894806d1eb5fa24

SHA256
88375a89edfe2edc1032abc6acc7debf6c0df55b15b8b1c5dfe3655a303f5977

SHA512
6cca558d8d4014adaab2ca67d7f932d42ff4f10ef857861ef6dc3d1f385c4767fa121e129ee5c957ced2fa0d2f175a1bc0b64d5c8b727cc3822da20bd92cf696

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

MD5
60693deb183633f99736c90e9469d405

SHA1
f1dbd699f0d0694ccf54204f5894806d1eb5fa24

SHA256
88375a89edfe2edc1032abc6acc7debf6c0df55b15b8b1c5dfe3655a303f5977

SHA512
6cca558d8d4014adaab2ca67d7f932d42ff4f10ef857861ef6dc3d1f385c4767fa121e129ee5c957ced2fa0d2f175a1bc0b64d5c8b727cc3822da20bd92cf696

Download Submit
memory/1424-133-0x0000000000880000-0x00000000008CA000-memory.dmp

Filesize
296KB

Download
memory/1424-134-0x00000000052A0000-0x000000000533C000-memory.dmp

Filesize
624KB

Download
memory/4940-181-0x000000000A510000-0x000000000A576000-memory.dmp

Filesize
408KB

Download
memory/5024-166-0x0000000000CB0000-0x0000000000CD2000-memory.dmp

Filesize
136KB

Download
memory/5024-167-0x00000000061B0000-0x0000000006754000-memory.dmp

Filesize
5.6MB

Download
memory/5024-168-0x0000000005CA0000-0x0000000005D32000-memory.dmp

Filesize
584KB

Download
memory/5024-169-0x0000000005C40000-0x0000000005C4A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads