revengerat | 3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb

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

C2

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 2508 set thread context of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe
2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31
PID 2508 wrote to memory of 1488	2508	3b5fdadf8fffda01b256bbe982f54f01648fb9732c9f41f99f7d9dfe7d58ecfb.exe	31

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:2508
- 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:1488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1488-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1488-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1488-1-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1488-7-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1488-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/1488-9-0x0000000073A82000-0x0000000073A84000-memory.dmp

Filesize
8KB

Download
memory/1488-10-0x0000000073A82000-0x0000000073A84000-memory.dmp

Filesize
8KB

Download
memory/2508-0-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download

Analysis

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