revengerat | 7996f6d77f02d4da3f68c901b149338207e5460bd3caf1824467aed670b986d6

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-07-2024 01:31

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General

Target

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
Size

951KB
MD5

4a88b7d34e6b6de0fd7f8a379208f2f0
SHA1

23d2b7f3256193bc7ff9381c92df4054de923ed0
SHA256

7996f6d77f02d4da3f68c901b149338207e5460bd3caf1824467aed670b986d6
SHA512

e9cf28b239e17a4bfc4f9d0d27abd487e85a82faef6acaeff5a9d7a17e4ce26a4f226db8bf781e3e5bc251d775fcd0988df2dea64377b5f5d16c10eee4bd1812
SSDEEP

24576:2AHnh+eWsN3skA4RV1HDm2KXMmHaKZT5Z:Rh+ZkldDPK8YaKjZ

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:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral1/memory/2536-0-0x0000000000900000-0x00000000009F3000-memory.dmp	autoit_exe
behavioral1/memory/2536-14-0x0000000000900000-0x00000000009F3000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

description pid process target process

PID 2536 set thread context of 1808 2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe RegAsm.exe

description	pid	process	target process
PID 2536 set thread context of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.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:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exeRegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a88b7d34e6b6de0fd7f8a379208f2f0N.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 1808 RegAsm.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

pid process

2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

pid process

2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536 4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

description	pid	process
Token: SeDebugPrivilege	1808	RegAsm.exe

pid	process
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

pid	process
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4a88b7d34e6b6de0fd7f8a379208f2f0N.exe

description	pid	process	target process
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe
PID 2536 wrote to memory of 1808	2536	4a88b7d34e6b6de0fd7f8a379208f2f0N.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\4a88b7d34e6b6de0fd7f8a379208f2f0N.exe
"C:\Users\Admin\AppData\Local\Temp\4a88b7d34e6b6de0fd7f8a379208f2f0N.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:2536

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:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1808-1-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1808-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1808-3-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1808-9-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1808-8-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1808-10-0x0000000074002000-0x0000000074004000-memory.dmp

Filesize
8KB

Download
memory/2536-0-0x0000000000900000-0x00000000009F3000-memory.dmp

Filesize
972KB

Download
memory/2536-14-0x0000000000900000-0x00000000009F3000-memory.dmp

Filesize
972KB

Download