rhadamanthys | 4ff60e1c1c7286005832d86970414bc4236f31bfcbe261f44ed7e0b7ce78fddd

General

Target

launcher.exe
Size

35.9MB
MD5

6f144d970006586fda9cea641fb399a8
SHA1

95fba60a66ca038f1dcb36ab2cd20261d5ea26bc
SHA256

4ff60e1c1c7286005832d86970414bc4236f31bfcbe261f44ed7e0b7ce78fddd
SHA512

61da15b19e4d92026bf70dd3530c283c7c4d118960bb14f01c063e95f361b2921ca9065bf8902e33616f90005086b28a3c1b48abdbc839a6e3b54a8942b1e1b4
SSDEEP

393216:n1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYfS:nMguj8Q4VfvXqFTrYF

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 1 IoCs

description	pid	Process	procid_target
PID 1288 created 2452	1288	WzxZnsQ4n2.exe	42

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	WzxZnsQ4n2.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2968	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	WzxZnsQ4n2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	WzxZnsQ4n2.exe

Executes dropped EXE 1 IoCs

pid	Process
1288	WzxZnsQ4n2.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x0008000000023432-20.dat	themida
behavioral2/memory/1288-21-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida
behavioral2/memory/1288-23-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida
behavioral2/memory/1288-24-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida
behavioral2/memory/1288-25-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida
behavioral2/memory/1288-26-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida
behavioral2/memory/1288-36-0x0000000000D50000-0x00000000011E9000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	WzxZnsQ4n2.exe

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	WzxZnsQ4n2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2968	powershell.exe
2968	powershell.exe
1288	WzxZnsQ4n2.exe
1288	WzxZnsQ4n2.exe
2276	openwith.exe
2276	openwith.exe
2276	openwith.exe
2276	openwith.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2968	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 4832	1812	launcher.exe	83
PID 1812 wrote to memory of 4832	1812	launcher.exe	83
PID 4832 wrote to memory of 2968	4832	cmd.exe	84
PID 4832 wrote to memory of 2968	4832	cmd.exe	84
PID 1812 wrote to memory of 3128	1812	launcher.exe	85
PID 1812 wrote to memory of 3128	1812	launcher.exe	85
PID 3128 wrote to memory of 1288	3128	cmd.exe	86
PID 3128 wrote to memory of 1288	3128	cmd.exe	86
PID 3128 wrote to memory of 1288	3128	cmd.exe	86
PID 1288 wrote to memory of 2276	1288	WzxZnsQ4n2.exe	89
PID 1288 wrote to memory of 2276	1288	WzxZnsQ4n2.exe	89
PID 1288 wrote to memory of 2276	1288	WzxZnsQ4n2.exe	89
PID 1288 wrote to memory of 2276	1288	WzxZnsQ4n2.exe	89
PID 1288 wrote to memory of 2276	1288	WzxZnsQ4n2.exe	89

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2452
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2276

C:\Users\Admin\AppData\Local\Temp\launcher.exe
"C:\Users\Admin\AppData\Local\Temp\launcher.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- 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:4832
- - 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:2968
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /d /s /c "C:\Users\Admin\AppData\Local\Temp\WzxZnsQ4n2.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3128
- - C:\Users\Admin\AppData\Local\Temp\WzxZnsQ4n2.exe
    C:\Users\Admin\AppData\Local\Temp\WzxZnsQ4n2.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 WriteProcessMemory
    PID:1288

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\Temp\WzxZnsQ4n2.exe

Filesize
4.4MB

MD5
2131426d8a3c01e0073772820265b4bd

SHA1
bac33ac453609577cccd2c6b1fb4981ff634e795

SHA256
1f53511b847a01a45e3d5d48f40dce79500175275dcf9606da1ee4864099ad8a

SHA512
9a24b0a26fed3730d301a4c56412f2df7a7505184ba848b9a38f21af48fd82ed549b6d56383bf119c712b663900a006e2016e04e958e40c5f529a22fb7bfb22b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4jo45kv2.xrm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1288-31-0x0000000076A60000-0x0000000076C75000-memory.dmp

Filesize
2.1MB

Download
memory/1288-26-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-36-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-29-0x00007FFBE82F0000-0x00007FFBE84E5000-memory.dmp

Filesize
2.0MB

Download
memory/1288-28-0x0000000003FE0000-0x00000000043E0000-memory.dmp

Filesize
4.0MB

Download
memory/1288-21-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-23-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-24-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-25-0x0000000000D50000-0x00000000011E9000-memory.dmp

Filesize
4.6MB

Download
memory/1288-27-0x0000000003FE0000-0x00000000043E0000-memory.dmp

Filesize
4.0MB

Download
memory/2276-32-0x0000000000720000-0x0000000000729000-memory.dmp

Filesize
36KB

Download
memory/2276-35-0x0000000002510000-0x0000000002910000-memory.dmp

Filesize
4.0MB

Download
memory/2276-39-0x0000000076A60000-0x0000000076C75000-memory.dmp

Filesize
2.1MB

Download
memory/2276-37-0x00007FFBE82F0000-0x00007FFBE84E5000-memory.dmp

Filesize
2.0MB

Download
memory/2968-12-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

Filesize
10.8MB

Download
memory/2968-11-0x000001EBB7690000-0x000001EBB76B2000-memory.dmp

Filesize
136KB

Download
memory/2968-16-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

Filesize
10.8MB

Download
memory/2968-1-0x00007FFBCA443000-0x00007FFBCA445000-memory.dmp

Filesize
8KB

Download
memory/2968-13-0x00007FFBCA440000-0x00007FFBCAF01000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads