rhadamanthys | 61b0a39405d071a95d7a8302b308cbf65ce4db0df029efea1af8a24ae9a94ca4

General

Target

2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
Size

4.2MB
MD5

6eb0509c8c7caa0e85c02afcb954e370
SHA1

e13e787aac6abc8e9f5d126239ed5e012090827b
SHA256

61b0a39405d071a95d7a8302b308cbf65ce4db0df029efea1af8a24ae9a94ca4
SHA512

e55e50483f947b68b30e6d317c038a0dec4197fb96b5547aef5dd6f8679bf1486a6408479643b0e36d42effc8f58e4901135bc9070f523d421db0701e40bc53e
SSDEEP

98304:MU65he7IdCb40s58A9QmAJPZoW3D12oRRYIa2KS+bnoGgH25leG9v/krAr1KwH:B65hQmed3REeGh/kUr1K8

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 2380 created 2996	2380	csc.exe	50

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UTorrent = "C:\\Users\\Admin\\Pictures\\UTorrent\\UTorrent.exe"	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2388 set thread context of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86

System Location Discovery: System Language Discovery 1 TTPs 3 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	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2380	csc.exe
2380	csc.exe
744	openwith.exe
744	openwith.exe
744	openwith.exe
744	openwith.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86
PID 2388 wrote to memory of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86
PID 2388 wrote to memory of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86
PID 2388 wrote to memory of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86
PID 2388 wrote to memory of 2380	2388	2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe	86
PID 2380 wrote to memory of 744	2380	csc.exe	87
PID 2380 wrote to memory of 744	2380	csc.exe	87
PID 2380 wrote to memory of 744	2380	csc.exe	87
PID 2380 wrote to memory of 744	2380	csc.exe	87
PID 2380 wrote to memory of 744	2380	csc.exe	87

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2996
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:744

C:\Users\Admin\AppData\Local\Temp\2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-07_6eb0509c8c7caa0e85c02afcb954e370_avoslocker_revil.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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/744-17-0x0000000000B30000-0x0000000000B39000-memory.dmp

Filesize
36KB

Download
memory/744-27-0x0000000002920000-0x0000000002D20000-memory.dmp

Filesize
4.0MB

Download
memory/744-23-0x00007FF8C0450000-0x00007FF8C0645000-memory.dmp

Filesize
2.0MB

Download
memory/744-25-0x0000000075DC0000-0x0000000075FD5000-memory.dmp

Filesize
2.1MB

Download
memory/744-26-0x0000000002920000-0x0000000002D20000-memory.dmp

Filesize
4.0MB

Download
memory/744-21-0x0000000002920000-0x0000000002D20000-memory.dmp

Filesize
4.0MB

Download
memory/744-20-0x0000000002920000-0x0000000002D20000-memory.dmp

Filesize
4.0MB

Download
memory/2380-12-0x0000000005E10000-0x0000000006210000-memory.dmp

Filesize
4.0MB

Download
memory/2380-3-0x0000000000F30000-0x0000000000FE0000-memory.dmp

Filesize
704KB

Download
memory/2380-9-0x0000000005A80000-0x0000000005A88000-memory.dmp

Filesize
32KB

Download
memory/2380-10-0x0000000005A90000-0x0000000005AA0000-memory.dmp

Filesize
64KB

Download
memory/2380-11-0x0000000005E10000-0x0000000006210000-memory.dmp

Filesize
4.0MB

Download
memory/2380-8-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/2380-14-0x00007FF8C0450000-0x00007FF8C0645000-memory.dmp

Filesize
2.0MB

Download
memory/2380-13-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/2380-7-0x000000007489E000-0x000000007489F000-memory.dmp

Filesize
4KB

Download
memory/2380-16-0x0000000075DC0000-0x0000000075FD5000-memory.dmp

Filesize
2.1MB

Download
memory/2380-6-0x0000000005B70000-0x0000000005C02000-memory.dmp

Filesize
584KB

Download
memory/2380-22-0x0000000074890000-0x0000000075040000-memory.dmp

Filesize
7.7MB

Download
memory/2388-2-0x0000000000400000-0x0000000000844000-memory.dmp

Filesize
4.3MB

Download
memory/2388-0-0x0000000000400000-0x0000000000844000-memory.dmp

Filesize
4.3MB

Download
memory/2388-5-0x0000000000400000-0x0000000000844000-memory.dmp

Filesize
4.3MB

Download
memory/2388-4-0x0000000000400000-0x0000000000844000-memory.dmp

Filesize
4.3MB

Download
memory/2388-1-0x000000000040D000-0x0000000000427000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads