rhadamanthys | ba4e57be7998467a7fb5471ea6e6d5ee9d6233de96bf2699efe9e8c45b21b039

General

Target

2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe
Size

2.1MB
MD5

8f355039fd3d9395f974e0982c13a458
SHA1

725df56eba3b235f996132057e3ef94d4cc39843
SHA256

ba4e57be7998467a7fb5471ea6e6d5ee9d6233de96bf2699efe9e8c45b21b039
SHA512

7d6d3b445b7d39d054a37f0c33845fdb0f936e48252e46bfe405ab4d2bbb00554dcaea24283f56ce4c5b7b64a7daef0929994405b0706b7937b3b42f6b24dfe8
SSDEEP

24576:p22vSU1RUol7JFZUEHAlPPT7CP02yVYk8YzlRGaDEW4/oUxvCUD61CCQbKxvDUQa:bJUol1Fy+SPTey6IGqH4x5DeEKtUw9

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 2564 created 2544	2564	csc.exe	42

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-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DellUpdater = "C:\\Users\\Admin\\Pictures\\Dell\\DellUpdater.exe"	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4300 set thread context of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94

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	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.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
2564	csc.exe
2564	csc.exe
2332	openwith.exe
2332	openwith.exe
2332	openwith.exe
2332	openwith.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94
PID 4300 wrote to memory of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94
PID 4300 wrote to memory of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94
PID 4300 wrote to memory of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94
PID 4300 wrote to memory of 2564	4300	2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe	94
PID 2564 wrote to memory of 2332	2564	csc.exe	95
PID 2564 wrote to memory of 2332	2564	csc.exe	95
PID 2564 wrote to memory of 2332	2564	csc.exe	95
PID 2564 wrote to memory of 2332	2564	csc.exe	95
PID 2564 wrote to memory of 2332	2564	csc.exe	95

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2544
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2332

C:\Users\Admin\AppData\Local\Temp\2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-28_8f355039fd3d9395f974e0982c13a458_avoslocker.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4300
- 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:2564

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/2332-17-0x0000000000110000-0x0000000000119000-memory.dmp

Filesize
36KB

Download
memory/2332-27-0x0000000001F90000-0x0000000002390000-memory.dmp

Filesize
4.0MB

Download
memory/2332-21-0x0000000001F90000-0x0000000002390000-memory.dmp

Filesize
4.0MB

Download
memory/2332-26-0x0000000001F90000-0x0000000002390000-memory.dmp

Filesize
4.0MB

Download
memory/2332-23-0x00007FFF03AF0000-0x00007FFF03CE5000-memory.dmp

Filesize
2.0MB

Download
memory/2332-25-0x00000000754C0000-0x00000000756D5000-memory.dmp

Filesize
2.1MB

Download
memory/2332-22-0x0000000001F90000-0x0000000002390000-memory.dmp

Filesize
4.0MB

Download
memory/2564-6-0x00000000743BE000-0x00000000743BF000-memory.dmp

Filesize
4KB

Download
memory/2564-7-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/2564-9-0x00000000029F0000-0x00000000029F8000-memory.dmp

Filesize
32KB

Download
memory/2564-10-0x0000000005160000-0x0000000005170000-memory.dmp

Filesize
64KB

Download
memory/2564-12-0x00000000743B0000-0x0000000074B60000-memory.dmp

Filesize
7.7MB

Download
memory/2564-13-0x00000000055B0000-0x00000000059B0000-memory.dmp

Filesize
4.0MB

Download
memory/2564-11-0x00000000055B0000-0x00000000059B0000-memory.dmp

Filesize
4.0MB

Download
memory/2564-14-0x00007FFF03AF0000-0x00007FFF03CE5000-memory.dmp

Filesize
2.0MB

Download
memory/2564-16-0x00000000754C0000-0x00000000756D5000-memory.dmp

Filesize
2.1MB

Download
memory/2564-8-0x00000000743B0000-0x0000000074B60000-memory.dmp

Filesize
7.7MB

Download
memory/2564-20-0x00000000743B0000-0x0000000074B60000-memory.dmp

Filesize
7.7MB

Download
memory/2564-4-0x0000000000800000-0x00000000008B0000-memory.dmp

Filesize
704KB

Download
memory/4300-5-0x0000000000400000-0x0000000000624000-memory.dmp

Filesize
2.1MB

Download
memory/4300-3-0x0000000000400000-0x0000000000624000-memory.dmp

Filesize
2.1MB

Download
memory/4300-1-0x000000000040F000-0x0000000000429000-memory.dmp

Filesize
104KB

Download
memory/4300-2-0x0000000000400000-0x0000000000624000-memory.dmp

Filesize
2.1MB

Download
memory/4300-0-0x0000000000400000-0x0000000000624000-memory.dmp

Filesize
2.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads