revengerat | a5417e65e18f98cb60a67235f89ad0af368a61b1517b9baa557705632ccd6dc2

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2024 18:07

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General

Target

cd01b5b4e638e8f12e310319bb52e670N.exe
Size

952KB
MD5

cd01b5b4e638e8f12e310319bb52e670
SHA1

1a0ee3dcdbc9c1306ebc487d8670ae88233473f9
SHA256

a5417e65e18f98cb60a67235f89ad0af368a61b1517b9baa557705632ccd6dc2
SHA512

b6645b6c3eb77beab2fca4960fe0686376124dcd3e1482836cd7fe62f448df2ed41f8ca4e23020e6cd07d1c878abb014ba6bb4792bf5e88ab606aeb861b0eb47
SSDEEP

24576:2AHnh+eWsN3skA4RV1HDm2KXMmHaKZT5R:Rh+ZkldDPK8YaKjR

Score

10^/10

revengerat marzo26 discovery trojan

Malware Config

Extracted

Family

revengerat

Botnet

Marzo26

marzorevenger.duckdns.org:4230

Mutex

RV_MUTEX-PiGGjjtnxDpn

Signatures

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

Drops startup file 1 IoCs

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	cd01b5b4e638e8f12e310319bb52e670N.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/2052-0-0x0000000000CE0000-0x0000000000DD3000-memory.dmp	autoit_exe
behavioral2/memory/2052-12-0x0000000000CE0000-0x0000000000DD3000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exe

description pid process target process

PID 2052 set thread context of 2556 2052 cd01b5b4e638e8f12e310319bb52e670N.exe RegAsm.exe

description	pid	process	target process
PID 2052 set thread context of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd01b5b4e638e8f12e310319bb52e670N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2556 RegAsm.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exe

pid process

2052 cd01b5b4e638e8f12e310319bb52e670N.exe
2052 cd01b5b4e638e8f12e310319bb52e670N.exe
2052 cd01b5b4e638e8f12e310319bb52e670N.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exe

pid process

2052 cd01b5b4e638e8f12e310319bb52e670N.exe
2052 cd01b5b4e638e8f12e310319bb52e670N.exe
2052 cd01b5b4e638e8f12e310319bb52e670N.exe

description	pid	process
Token: SeDebugPrivilege	2556	RegAsm.exe

pid	process
2052	cd01b5b4e638e8f12e310319bb52e670N.exe
2052	cd01b5b4e638e8f12e310319bb52e670N.exe
2052	cd01b5b4e638e8f12e310319bb52e670N.exe

pid	process
2052	cd01b5b4e638e8f12e310319bb52e670N.exe
2052	cd01b5b4e638e8f12e310319bb52e670N.exe
2052	cd01b5b4e638e8f12e310319bb52e670N.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cd01b5b4e638e8f12e310319bb52e670N.exe

description	pid	process	target process
PID 2052 wrote to memory of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe
PID 2052 wrote to memory of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe
PID 2052 wrote to memory of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe
PID 2052 wrote to memory of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe
PID 2052 wrote to memory of 2556	2052	cd01b5b4e638e8f12e310319bb52e670N.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\cd01b5b4e638e8f12e310319bb52e670N.exe
"C:\Users\Admin\AppData\Local\Temp\cd01b5b4e638e8f12e310319bb52e670N.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2556

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2052-0-0x0000000000CE0000-0x0000000000DD3000-memory.dmp

Filesize
972KB

Download
memory/2052-1-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/2052-12-0x0000000000CE0000-0x0000000000DD3000-memory.dmp

Filesize
972KB

Download
memory/2556-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2556-6-0x0000000073752000-0x0000000073753000-memory.dmp

Filesize
4KB

Download
memory/2556-7-0x0000000073750000-0x0000000073D01000-memory.dmp

Filesize
5.7MB

Download
memory/2556-8-0x0000000073750000-0x0000000073D01000-memory.dmp

Filesize
5.7MB

Download
memory/2556-13-0x0000000073752000-0x0000000073753000-memory.dmp

Filesize
4KB

Download
memory/2556-14-0x0000000073750000-0x0000000073D01000-memory.dmp

Filesize
5.7MB

Download