vanillarat | e590d9d061fc38da277121abaf50c5d2432fe4cab8eb4fc347687d04c188f34b

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
01/11/2023, 11:02

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General

Target

VanillaRat/Main/VanillaRat.exe
Size

1.8MB
MD5

15e08de70a1aa3202bf12873d7464cfb
SHA1

3797022285b7250fe7c3b4d3c68aabd7b02e77df
SHA256

0888ca367d882709d10712f6d8eefc5945ff067467e832f59e0071a86ae96555
SHA512

f084621d43085877aaccdfa73394e4ec11e56a2c7d6086aa6308b0e086a3d5bfa7c18fc4374a1d2028868fad0f9d45dff4d82a6c0ef8c2e9946a901a7779a343
SSDEEP

24576:HDTgl3eQury9oQqdTfqauvHpcV3+bGeVUEY995IK5:jkJ94y9oBuvHCuHqEV

Score

10^/10

vanillarat rat

Malware Config

Signatures

VanillaRat
VanillaRat is an advanced remote administration tool coded in C#.
rat vanillarat

Vanilla Rat payload 3 IoCs

rat

resource	yara_rule
behavioral3/files/0x000500000000f661-11.dat	vanillarat
behavioral3/files/0x000500000000f661-12.dat	vanillarat
behavioral3/memory/2320-13-0x0000000000DB0000-0x0000000000DD2000-memory.dmp	vanillarat

Executes dropped EXE 1 IoCs

pid	Process
2320	.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\Toolbar	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	explorer.exe

Modifies registry class 43 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4a0031000000000061575b58102054656d700000360008000400efbe57570e9161575b582a000000ff010000000002000000000000000000000000000000540065006d007000000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 4c0031000000000061575c5810204c6f63616c00380008000400efbe57570e9161575c582a000000fe0100000000020000000000000000000000000000004c006f00630061006c00000014000000	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 520031000000000057570f91122041707044617461003c0008000400efbe57570e9157570f912a000000eb0100000000020000000000000000000000000000004100700070004400610074006100000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4c003100000000005757e696100041646d696e00380008000400efbe57570e915757e6962a0000002e000000000004000000000000000000000000000000410064006d0069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0\0\NodeSlot = "1"	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = 5a0031000000000061575b58102056414e494c4c7e310000420008000400efbe61575b5861575b582a000000ec4f0100000008000000000000000000000000000000560061006e0069006c006c006100520061007400000018000000	explorer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 740031000000000057570e911100557365727300600008000400efbeee3a851a57570e912a000000e601000000000100000000000000000036000000000055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0 = 4a0031000000000061575b5810204d61696e0000360008000400efbe61575b5861575b582a0000000156010000000a0000000000000000000000000000004d00610069006e00000014000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0\0 = 520031000000000061576e581020436c69656e7473003c0008000400efbe61575b5861576e582a0000003d5c010000000600000000000000000000000000000043006c00690065006e0074007300000016000000	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\0\0\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000_Classes\Local Settings	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2736	VanillaRat.exe
3008	explorer.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 3020	2736	VanillaRat.exe	30
PID 2736 wrote to memory of 3020	2736	VanillaRat.exe	30
PID 2736 wrote to memory of 3020	2736	VanillaRat.exe	30
PID 2736 wrote to memory of 3020	2736	VanillaRat.exe	30
PID 3008 wrote to memory of 2320	3008	explorer.exe	33
PID 3008 wrote to memory of 2320	3008	explorer.exe	33
PID 3008 wrote to memory of 2320	3008	explorer.exe	33

C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\VanillaRat.exe
"C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\VanillaRat.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\Clients\
  2⤵
  PID:3020

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\Clients\.exe
  "C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\Clients\.exe"
  2⤵
  - Executes dropped EXE
  PID:2320

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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\Local\Temp\VanillaRat\Main\Clients\.exe

Filesize
111KB

MD5
b947f78e5905e2017cfaf7a463be882c

SHA1
cdb9805af6ffb487e1d02e052de5da7cb6e31bd2

SHA256
5e53ce7883322159f67519a50c33a9e749743e2019b62d8f5662857e66467ab9

SHA512
b9bbde6720f34be1dfdd29f22eff8fe38a66dea1492bad10ead85bcb0058cc2e795ff3f64b07947e47516ab211f855a66c767ea643962e6ffb4242f2babf0ffc

Download Submit
C:\Users\Admin\AppData\Local\Temp\VanillaRat\Main\Clients\.exe

Filesize
111KB

MD5
b947f78e5905e2017cfaf7a463be882c

SHA1
cdb9805af6ffb487e1d02e052de5da7cb6e31bd2

SHA256
5e53ce7883322159f67519a50c33a9e749743e2019b62d8f5662857e66467ab9

SHA512
b9bbde6720f34be1dfdd29f22eff8fe38a66dea1492bad10ead85bcb0058cc2e795ff3f64b07947e47516ab211f855a66c767ea643962e6ffb4242f2babf0ffc

Download Submit
memory/2320-26-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-23-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-22-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-21-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-18-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-17-0x000007FEF61E0000-0x000007FEF6BCC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-15-0x000000001BC30000-0x000000001BCB0000-memory.dmp

Filesize
512KB

Download
memory/2320-14-0x000007FEF61E0000-0x000007FEF6BCC000-memory.dmp

Filesize
9.9MB

Download
memory/2320-13-0x0000000000DB0000-0x0000000000DD2000-memory.dmp

Filesize
136KB

Download
memory/2736-6-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2736-3-0x0000000005170000-0x0000000005250000-memory.dmp

Filesize
896KB

Download
memory/2736-1-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-7-0x00000000088B0000-0x00000000089CC000-memory.dmp

Filesize
1.1MB

Download
memory/2736-24-0x000000000A030000-0x000000000A048000-memory.dmp

Filesize
96KB

Download
memory/2736-0-0x0000000000E50000-0x0000000001018000-memory.dmp

Filesize
1.8MB

Download
memory/2736-5-0x0000000074C10000-0x00000000752FE000-memory.dmp

Filesize
6.9MB

Download
memory/2736-19-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2736-20-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2736-4-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/2736-2-0x00000000004D0000-0x0000000000510000-memory.dmp

Filesize
256KB

Download
memory/3008-10-0x0000000003A00000-0x0000000003A10000-memory.dmp

Filesize
64KB

Download
memory/3008-16-0x00000000039B0000-0x00000000039B1000-memory.dmp

Filesize
4KB

Download
memory/3008-9-0x00000000039B0000-0x00000000039B1000-memory.dmp

Filesize
4KB

Download