revengerat | 4abc4e174beea2d801bab1f52a202a1adcdc372443e25a2f1875b90f112ff56d

Analysis

max time kernel
602s
max time network
623s
platform
windows10_x64
resource
win10v20201028
submitted
22-11-2020 06:28

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General

Target

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
Size

1.1MB
MD5

82b5c0acec3a7946f002c9e555a7125f
SHA1

f48992935c658b5685fedc7c8d5ee4b12c19ba6a
SHA256

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7
SHA512

e802adf79040570783e77643b4b75853c61e583272aaafc85f7df29fc9b1b42d37753e172a6865082701fde423ce2aa3f19ab3e346126bf0ffb1fae3b360bbd0

Score

10^/10

revengerat guest stealer trojan

Malware Config

Extracted

Family

revengerat

Botnet

Guest

178.17.174.71:3310

Mutex

RV_MUTEX-HxdYuaWVCGnhp

Signatures

RevengeRAT
Remote-access trojan with a wide range of capabilities.
trojan revengerat

RevengeRat Executable 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2604-0-0x0000000000400000-0x0000000000408000-memory.dmp	revengerat
behavioral2/memory/2604-1-0x0000000000405E3E-mapping.dmp	revengerat

Drops startup file 1 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\msdtc.url	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	pid	process	target process
PID 496 set thread context of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe

Drops file in Windows directory 1 IoCs

Processes:

RegAsm.exe

description ioc process

File opened for modification C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2604 RegAsm.exe

description	ioc	process
File opened for modification	C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2604	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

pid	process
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

pid	process
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe

description	pid	process	target process
PID 496 wrote to memory of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe
PID 496 wrote to memory of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe
PID 496 wrote to memory of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe
PID 496 wrote to memory of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe
PID 496 wrote to memory of 2604	496	cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe
"C:\Users\Admin\AppData\Local\Temp\cd9ccf8681ed1a5380f8a27cd6dc927ab719b04baa6c6583a0c793a6dc00d5f7.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:496

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2604

Network

MITRE ATT&CK Matrix

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Downloads

memory/2604-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2604-1-0x0000000000405E3E-mapping.dmp

Download