revengerat | 6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411

General

Target

6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
Size

904KB
MD5

e1a8a8af1d3f3363fcc51a6a36e08550
SHA1

b831fa07fd70d34b9f799785898f3a97a8714fe2
SHA256

6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411
SHA512

32518ef85c84d82efd19fa0349562c9b2e107beb868a1efc88a6e8a796081979e4586143b156a91b27e895cf43e0cc1a0b16ce86db66e6e87afe10588801f93a
SSDEEP

24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa5Q:gh+ZkldoPK8YaKGQ

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	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30

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	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.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	2944	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30
PID 2912 wrote to memory of 2944	2912	6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe	30

C:\Users\Admin\AppData\Local\Temp\6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.exe
"C:\Users\Admin\AppData\Local\Temp\6590b98d62bf7ba4cf9a3342ef4443f071e58545e52ee07a514122c4bc20b411N.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:2912
- 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:2944

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2912-0-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/2944-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2944-9-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2944-8-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2944-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-3-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2944-10-0x0000000073AD2000-0x0000000073AD4000-memory.dmp

Filesize
8KB

Download
memory/2944-11-0x0000000073AD2000-0x0000000073AD4000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing