rhadamanthys | ea2bd6c64386d2979f46d49e37b7cbfa9efdef40efeb61709bda7bf9435c3f63

General

Target

RG_Catalyst.zip
Size

105.0MB
MD5

e5f981616d24978f4c2feffa28f19f8f
SHA1

82744998c721408e3784c29b569d9c3cd4d2fe17
SHA256

ea2bd6c64386d2979f46d49e37b7cbfa9efdef40efeb61709bda7bf9435c3f63
SHA512

f137f0b34c3dbb572c30087568e6d5059d855a784693204819655c7b6c1a455e5912130b093f17279824b689d537dc2193e8a3c75c872462cfcdfa2a96734a78
SSDEEP

3145728:jmC+XTTsTSi8pZXkVUU1k8q6YSMOavWZB:CX3GsXkVzJ

Score

10^/10

rhadamanthys discovery evasion execution stealer themida trojan

Malware Config

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs

Processes:

4JPMaJa6z0.exek1tlIpC7Am.exe

description pid process target process

PID 3796 created 2656 3796 4JPMaJa6z0.exe sihost.exe
PID 2056 created 2656 2056 k1tlIpC7Am.exe sihost.exe

description	pid	process	target process
PID 3796 created 2656	3796	4JPMaJa6z0.exe	sihost.exe
PID 2056 created 2656	2056	k1tlIpC7Am.exe	sihost.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

4JPMaJa6z0.exek1tlIpC7Am.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4JPMaJa6z0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	k1tlIpC7Am.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

4112 powershell.exe
4344 powershell.exe

pid	process
4112	powershell.exe
4344	powershell.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4JPMaJa6z0.exek1tlIpC7Am.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4JPMaJa6z0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4JPMaJa6z0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	k1tlIpC7Am.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	k1tlIpC7Am.exe

Executes dropped EXE 2 IoCs

Processes:

4JPMaJa6z0.exek1tlIpC7Am.exe

pid process

3796 4JPMaJa6z0.exe
2056 k1tlIpC7Am.exe

pid	process
3796	4JPMaJa6z0.exe
2056	k1tlIpC7Am.exe

Themida packer 13 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\4JPMaJa6z0.exe	themida
behavioral2/memory/3796-17-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/3796-19-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/3796-20-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/3796-21-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/3796-22-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/3796-31-0x0000000000440000-0x00000000008D9000-memory.dmp	themida
behavioral2/memory/2056-54-0x00000000002D0000-0x0000000000769000-memory.dmp	themida
behavioral2/memory/2056-56-0x00000000002D0000-0x0000000000769000-memory.dmp	themida
behavioral2/memory/2056-55-0x00000000002D0000-0x0000000000769000-memory.dmp	themida
behavioral2/memory/2056-57-0x00000000002D0000-0x0000000000769000-memory.dmp	themida
behavioral2/memory/2056-58-0x00000000002D0000-0x0000000000769000-memory.dmp	themida
behavioral2/memory/2056-67-0x00000000002D0000-0x0000000000769000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4JPMaJa6z0.exek1tlIpC7Am.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4JPMaJa6z0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	k1tlIpC7Am.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

k1tlIpC7Am.exeopenwith.exe4JPMaJa6z0.exeopenwith.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k1tlIpC7Am.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4JPMaJa6z0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

powershell.exe4JPMaJa6z0.exeopenwith.exepowershell.exek1tlIpC7Am.exeopenwith.exe

pid	process
4344	powershell.exe
4344	powershell.exe
3796	4JPMaJa6z0.exe
3796	4JPMaJa6z0.exe
1784	openwith.exe
1784	openwith.exe
1784	openwith.exe
1784	openwith.exe
4112	powershell.exe
4112	powershell.exe
2056	k1tlIpC7Am.exe
2056	k1tlIpC7Am.exe
2564	openwith.exe
2564	openwith.exe
2564	openwith.exe
2564	openwith.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 4344 powershell.exe
Token: SeDebugPrivilege 4112 powershell.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

launcher.exe4JPMaJa6z0.exelauncher.exek1tlIpC7Am.exe

pid process

3428 launcher.exe
3796 4JPMaJa6z0.exe
4672 launcher.exe
2056 k1tlIpC7Am.exe

description	pid	process
Token: SeDebugPrivilege	4344	powershell.exe
Token: SeDebugPrivilege	4112	powershell.exe

pid	process
3428	launcher.exe
3796	4JPMaJa6z0.exe
4672	launcher.exe
2056	k1tlIpC7Am.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

launcher.execmd.execmd.exe4JPMaJa6z0.exelauncher.execmd.execmd.exek1tlIpC7Am.exe

description	pid	process	target process
PID 3428 wrote to memory of 4948	3428	launcher.exe	cmd.exe
PID 3428 wrote to memory of 4948	3428	launcher.exe	cmd.exe
PID 4948 wrote to memory of 4344	4948	cmd.exe	powershell.exe
PID 4948 wrote to memory of 4344	4948	cmd.exe	powershell.exe
PID 3428 wrote to memory of 3196	3428	launcher.exe	cmd.exe
PID 3428 wrote to memory of 3196	3428	launcher.exe	cmd.exe
PID 3196 wrote to memory of 3796	3196	cmd.exe	4JPMaJa6z0.exe
PID 3196 wrote to memory of 3796	3196	cmd.exe	4JPMaJa6z0.exe
PID 3196 wrote to memory of 3796	3196	cmd.exe	4JPMaJa6z0.exe
PID 3796 wrote to memory of 1784	3796	4JPMaJa6z0.exe	openwith.exe
PID 3796 wrote to memory of 1784	3796	4JPMaJa6z0.exe	openwith.exe
PID 3796 wrote to memory of 1784	3796	4JPMaJa6z0.exe	openwith.exe
PID 3796 wrote to memory of 1784	3796	4JPMaJa6z0.exe	openwith.exe
PID 3796 wrote to memory of 1784	3796	4JPMaJa6z0.exe	openwith.exe
PID 4672 wrote to memory of 1108	4672	launcher.exe	cmd.exe
PID 4672 wrote to memory of 1108	4672	launcher.exe	cmd.exe
PID 1108 wrote to memory of 4112	1108	cmd.exe	powershell.exe
PID 1108 wrote to memory of 4112	1108	cmd.exe	powershell.exe
PID 4672 wrote to memory of 1892	4672	launcher.exe	cmd.exe
PID 4672 wrote to memory of 1892	4672	launcher.exe	cmd.exe
PID 1892 wrote to memory of 2056	1892	cmd.exe	k1tlIpC7Am.exe
PID 1892 wrote to memory of 2056	1892	cmd.exe	k1tlIpC7Am.exe
PID 1892 wrote to memory of 2056	1892	cmd.exe	k1tlIpC7Am.exe
PID 2056 wrote to memory of 2564	2056	k1tlIpC7Am.exe	openwith.exe
PID 2056 wrote to memory of 2564	2056	k1tlIpC7Am.exe	openwith.exe
PID 2056 wrote to memory of 2564	2056	k1tlIpC7Am.exe	openwith.exe
PID 2056 wrote to memory of 2564	2056	k1tlIpC7Am.exe	openwith.exe
PID 2056 wrote to memory of 2564	2056	k1tlIpC7Am.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2656
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1784
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2564

C:\Windows\Explorer.exe
C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\RG_Catalyst.zip
1⤵
PID:2948

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3212

C:\Users\Admin\Desktop\RG_Catalyst\launcher.exe
"C:\Users\Admin\Desktop\RG_Catalyst\launcher.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4344
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Users\Admin\AppData\Local\Temp\4JPMaJa6z0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Users\Admin\AppData\Local\Temp\4JPMaJa6z0.exe
    C:\Users\Admin\AppData\Local\Temp\4JPMaJa6z0.exe
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3796

C:\Users\Admin\Desktop\RG_Catalyst\launcher.exe
"C:\Users\Admin\Desktop\RG_Catalyst\launcher.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData'; Add-MpPreference -ExclusionPath 'C:\ProgramData'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4112
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Users\Admin\AppData\Local\Temp\k1tlIpC7Am.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Users\Admin\AppData\Local\Temp\k1tlIpC7Am.exe
    C:\Users\Admin\AppData\Local\Temp\k1tlIpC7Am.exe
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Temp\4JPMaJa6z0.exe

Filesize
4.4MB

MD5
2131426d8a3c01e0073772820265b4bd

SHA1
bac33ac453609577cccd2c6b1fb4981ff634e795

SHA256
1f53511b847a01a45e3d5d48f40dce79500175275dcf9606da1ee4864099ad8a

SHA512
9a24b0a26fed3730d301a4c56412f2df7a7505184ba848b9a38f21af48fd82ed549b6d56383bf119c712b663900a006e2016e04e958e40c5f529a22fb7bfb22b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pgtyhcmw.ffw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1784-28-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download
memory/1784-33-0x00007FFE91990000-0x00007FFE91B85000-memory.dmp

Filesize
2.0MB

Download
memory/1784-35-0x0000000074F90000-0x00000000751A5000-memory.dmp

Filesize
2.1MB

Download
memory/1784-32-0x0000000002C90000-0x0000000003090000-memory.dmp

Filesize
4.0MB

Download
memory/2056-55-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2056-60-0x0000000003BB0000-0x0000000003FB0000-memory.dmp

Filesize
4.0MB

Download
memory/2056-67-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2056-61-0x00007FFE91990000-0x00007FFE91B85000-memory.dmp

Filesize
2.0MB

Download
memory/2056-63-0x0000000074F90000-0x00000000751A5000-memory.dmp

Filesize
2.1MB

Download
memory/2056-58-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2056-57-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2056-56-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2056-54-0x00000000002D0000-0x0000000000769000-memory.dmp

Filesize
4.6MB

Download
memory/2564-68-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/2564-69-0x00007FFE91990000-0x00007FFE91B85000-memory.dmp

Filesize
2.0MB

Download
memory/2564-71-0x0000000074F90000-0x00000000751A5000-memory.dmp

Filesize
2.1MB

Download
memory/3796-31-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/3796-22-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/3796-19-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/3796-24-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/3796-23-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/3796-27-0x0000000074F90000-0x00000000751A5000-memory.dmp

Filesize
2.1MB

Download
memory/3796-25-0x00007FFE91990000-0x00007FFE91B85000-memory.dmp

Filesize
2.0MB

Download
memory/3796-21-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/3796-20-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/3796-17-0x0000000000440000-0x00000000008D9000-memory.dmp

Filesize
4.6MB

Download
memory/4344-10-0x00000195F5710000-0x00000195F5732000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads