revengerat | 55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442

General

Target
55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
Size 904KB
Sample241124-2rbcfstphv
SHA256 55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442
MD5 f3be477d5a0621e00bca8d8ef2610169
SHA1 59c35bd582e821577bff68f75dc50b4b2d5882ed
SHA512 1e0d269c9d48ce30e780ae821b1ad1854e4143e8e9166f2ca1422737efc51123e9cd8d0ae2ba2a5517cb95e4dff8d343fae2ec45bb5af5aa74bfc1460b1b6640
SSDEEP 24576:ZAHnh+eWsN3skA4RV1Hom2KXMmHaKZa57:gh+ZkldoPK8YaKG7
MD5 SHA1 SHA512 SSDEEP

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	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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	2096	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31
PID 2436 wrote to memory of 2096	2436	55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe	31

C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.exe
"C:\Users\Admin\AppData\Local\Temp\55f05c0a4f5d2135f305572908d2f1b0d5f2342171376150d8598b4dce748442.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:2436
- 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:2096

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/2096-1-0x0000000000090000-0x0000000000098000-memory.dmp

Download

memory/2096-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/2096-3-0x0000000000090000-0x0000000000098000-memory.dmp

Download

memory/2096-9-0x0000000000090000-0x0000000000098000-memory.dmp

Download

memory/2096-8-0x0000000000090000-0x0000000000098000-memory.dmp

Download

memory/2096-10-0x0000000073F02000-0x0000000073F04000-memory.dmp

Download

memory/2096-11-0x0000000073F02000-0x0000000073F04000-memory.dmp

Download

memory/2436-0-0x0000000000290000-0x0000000000291000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads