revengerat | 3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 17:18

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General

Target

3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
Size

904KB
MD5

1dcc4862b7df3dc9ed3d87a97ad0c3c0
SHA1

f11a4a029a103c554fd987b76f7fd0467543389b
SHA256

3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb
SHA512

3cce1ccad7e4b340dcf7daa7171f2fc4cb3a0ddc6e463da19b55255bf2d87141c1b8b3e23621e230d17f44135af4e869ce310ee12072fdc13ec90ffda9c2a2ad
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5Y:gh+ZkldoPK8YaKGY

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
Revengerat family
revengerat

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AudioHandlers.url	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\SYSTEM\CENTRALPROCESSOR\0	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3884	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83
PID 2844 wrote to memory of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83
PID 2844 wrote to memory of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83
PID 2844 wrote to memory of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83
PID 2844 wrote to memory of 3884	2844	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	83

C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
"C:\Users\Admin\AppData\Local\Temp\3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.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:2844
- 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
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2844-0-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/3884-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/3884-5-0x0000000073712000-0x0000000073713000-memory.dmp

Filesize
4KB

Download
memory/3884-6-0x0000000073710000-0x0000000073CC1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-7-0x0000000073710000-0x0000000073CC1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-8-0x0000000073712000-0x0000000073713000-memory.dmp

Filesize
4KB

Download
memory/3884-9-0x0000000073710000-0x0000000073CC1000-memory.dmp

Filesize
5.7MB

Download
memory/3884-10-0x0000000073710000-0x0000000073CC1000-memory.dmp

Filesize
5.7MB

Download