revengerat | 2ca8383d9a53e8f7934dea35d84b08228075202cf12b598288cd635d70e5830e

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 08:49

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General

Target

0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe
Size

139KB
MD5

0d6f7531d6679dbd7ef072c5a316f51b
SHA1

df683921f4642623ca00234029ed8001de341794
SHA256

2ca8383d9a53e8f7934dea35d84b08228075202cf12b598288cd635d70e5830e
SHA512

1014b8461b940e5c1a08d5a91355cc815ea6a9bfd1e8fe61154c73dfa45f974039cd24189e2108aa93aa0dc65b2bd58e9b258fbcc2cbafc71964e6e32535cd78
SSDEEP

3072:zUI/3mwHdP7nDAlS14MPce8bV/ihIe/e77:zUi3m2dvAlSOMN8bFihIe/s

Score

10^/10

revengerat persistence stealer trojan

Malware Config

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat
RevengeRat Executable 1 IoCs
stealer

Processes:

resource yara_rule

C:\Users\Admin\AppData\Roaming\Client.exe revengerat
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:

0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe

resource	yara_rule
C:\Users\Admin\AppData\Roaming\Client.exe	revengerat

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe

Drops startup file 7 IoCs

Processes:

Client.exevbc.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.js	Client.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.lnk	Client.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.URL	Client.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe	vbc.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe	Client.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.exe	Client.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Client.vbs	Client.exe

Executes dropped EXE 1 IoCs

Processes:

Client.exe

pid process

3376 Client.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
3376	Client.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Client.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client = "C:\\Users\\Admin\\AppData\\Roaming\\Client.exe"	Client.exe

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:

0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exeClient.exe

description pid process

Token: SeDebugPrivilege 1780 0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe
Token: SeDebugPrivilege 3376 Client.exe

description	pid	process
Token: SeDebugPrivilege	1780	0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe
Token: SeDebugPrivilege	3376	Client.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exeClient.exevbc.exe

description	pid	process	target process
PID 1780 wrote to memory of 3376	1780	0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe	Client.exe
PID 1780 wrote to memory of 3376	1780	0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe	Client.exe
PID 1780 wrote to memory of 3376	1780	0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe	Client.exe
PID 3376 wrote to memory of 4796	3376	Client.exe	vbc.exe
PID 3376 wrote to memory of 4796	3376	Client.exe	vbc.exe
PID 3376 wrote to memory of 4796	3376	Client.exe	vbc.exe
PID 4796 wrote to memory of 1492	4796	vbc.exe	cvtres.exe
PID 4796 wrote to memory of 1492	4796	vbc.exe	cvtres.exe
PID 4796 wrote to memory of 1492	4796	vbc.exe	cvtres.exe

C:\Users\Admin\AppData\Local\Temp\0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0d6f7531d6679dbd7ef072c5a316f51b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780

C:\Users\Admin\AppData\Roaming\Client.exe
"C:\Users\Admin\AppData\Roaming\Client.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3376

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\gofyc7cw.cmdline"
3⤵
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4BAA.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB969ACF77355445C8151EC4C5F6FEE3A.TMP"
4⤵
PID:1492

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES4BAA.tmp
Filesize
1KB

MD5
391be4037d83ac13735c8e2c711b668f

SHA1
dd9deb254b1828d53fd993f9eb4cc5159f83b34f

SHA256
adedb35e30882e3fcdcd1dca6708646dc0ed4bdebb9712393b3231fd08d833ac

SHA512
1e13396a63bee8f2bbad9271615a8cfb0393521a35ff51acbb670f4800db24dd09900092737d79c013ff70a7325a0f2c4047b0ea16966904ee447c4509e51fd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\gofyc7cw.0.vb
Filesize
150B

MD5
f1fe231bbc8b03cf91057945de200378

SHA1
ea8031a13ca216b3f9606d517ab7e6f2889f46d5

SHA256
b975710d2986f5a06302c0509b47f5297770c9d137114a9f25c0e53fbaf66039

SHA512
0f0a14d1d92d7264ef5ecb2c4f05438014700d48fb9c1acc3065bda04ff468c4ebc3e21963638b2029f4e3a97e9c986ca6dedfc6f40fd358240a735726c5689f

Download Submit
C:\Users\Admin\AppData\Local\Temp\gofyc7cw.cmdline
Filesize
194B

MD5
4da32722cc25bed4726555014603f89f

SHA1
4423c952309a256e5c59bac3a2923f414cf527de

SHA256
9d99dab48caf17ee062501fcc0050d65c0a50c206b420a687fc71f016a7d1e67

SHA512
b35f37569791a485ac7bc861dd5ba7a334ce681866cd8c2e8b6f5b103dec8193bf98a75f5ac11e04be6f4c2ecde4ec558ed5e3b3a902a29afde37891ce8f153c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB969ACF77355445C8151EC4C5F6FEE3A.TMP
Filesize
644B

MD5
23c5f6c5bb4e5de59ec5aa884ea098d3

SHA1
7240ba716de1d9ddaa3f9e3a0adcd7e00c4e6a83

SHA256
7e090465b6d810c988f61a89f11debded56b4bff54c07369c26ab8afd9e8ba27

SHA512
bef35b5af9bb58041f3783a43e85f204a088f44e19168815eea881c2864f9c9038f0e8ba2ab136b6514028e6c22652496cee61fe6dab467b56f0a31809ca1f51

Download Submit
C:\Users\Admin\AppData\Roaming\Client.exe
Filesize
139KB

MD5
0d6f7531d6679dbd7ef072c5a316f51b

SHA1
df683921f4642623ca00234029ed8001de341794

SHA256
2ca8383d9a53e8f7934dea35d84b08228075202cf12b598288cd635d70e5830e

SHA512
1014b8461b940e5c1a08d5a91355cc815ea6a9bfd1e8fe61154c73dfa45f974039cd24189e2108aa93aa0dc65b2bd58e9b258fbcc2cbafc71964e6e32535cd78

Download Submit
memory/1780-4-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1780-17-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1780-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

Filesize
4KB

Download
memory/1780-3-0x00000000750A2000-0x00000000750A3000-memory.dmp

Filesize
4KB

Download
memory/1780-2-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1780-1-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3376-18-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3376-19-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3376-20-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4796-35-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/4796-45-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download