rhadamanthys | 8624feb22b3a92ec567c5c192ff802e55f2cbd3388c78642bfffde6ac2a9ddc6

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 16:08

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General

Target
WaveInstaller.exe
Size 55.9MB
Sample240803-tlmjjaycmk
SHA256 a0fe8a8ecab5d9d7df5a364a95352e1d861c8ca851c4339b65aa4841b3619617
MD5 521646f158f26a3790605f3c3ff47a5e
SHA1 a0fc21bf69705c2d8934e71841d5e803048b23b9
SHA512 c47839fe320cec955ea5abd331a47ec5bb39ed02e61c72b295272f01be57fdb0a361f124e2fe1b0f4f7326ed71542e5a42ada87b635a70e89ac2523ab50cb856
SSDEEP 393216:hxIdZflFnaY4nRSn3pPPa7uksiL2YS2xg5gC33QSau/puRDHbUXyZ8s:gdZflFnaTEKuu25e4daEgpbUXyms
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys discovery execution 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 4616 created 2820	4616	BitLockerToGo.exe	49

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

execution

PowerShell

T1059.001

pid	Process
840	powershell.exe
1532	powershell.exe
1532	powershell.exe
840	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	driver1.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	WaveInstaller.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	WaveInstaller.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
1212	tasklist.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2296 set thread context of 4616	2296	driver1.exe	93

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1308	4616	WerFault.exe	93
1548	4616	WerFault.exe	93

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

Detects videocard installed 1 TTPs 1 IoCs

Uses WMIC.exe to determine videocard installed.

System Information Discovery

T1082

pid	Process
5048	wmic.exe

GoLang User-Agent 3 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	17	Go-http-client/1.1
HTTP User-Agent header	15	Go-http-client/1.1
HTTP User-Agent header	16	Go-http-client/1.1

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1532	powershell.exe
1532	powershell.exe
840	powershell.exe
840	powershell.exe
4616	BitLockerToGo.exe
4616	BitLockerToGo.exe
2404	openwith.exe
2404	openwith.exe
2404	openwith.exe
2404	openwith.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2568	WaveInstaller.exe
Token: SeIncreaseQuotaPrivilege	5048	wmic.exe
Token: SeSecurityPrivilege	5048	wmic.exe
Token: SeTakeOwnershipPrivilege	5048	wmic.exe
Token: SeLoadDriverPrivilege	5048	wmic.exe
Token: SeSystemProfilePrivilege	5048	wmic.exe
Token: SeSystemtimePrivilege	5048	wmic.exe
Token: SeProfSingleProcessPrivilege	5048	wmic.exe
Token: SeIncBasePriorityPrivilege	5048	wmic.exe
Token: SeCreatePagefilePrivilege	5048	wmic.exe
Token: SeBackupPrivilege	5048	wmic.exe
Token: SeRestorePrivilege	5048	wmic.exe
Token: SeShutdownPrivilege	5048	wmic.exe
Token: SeDebugPrivilege	5048	wmic.exe
Token: SeSystemEnvironmentPrivilege	5048	wmic.exe
Token: SeRemoteShutdownPrivilege	5048	wmic.exe
Token: SeUndockPrivilege	5048	wmic.exe
Token: SeManageVolumePrivilege	5048	wmic.exe
Token: 33	5048	wmic.exe
Token: 34	5048	wmic.exe
Token: 35	5048	wmic.exe
Token: 36	5048	wmic.exe
Token: SeIncreaseQuotaPrivilege	5048	wmic.exe
Token: SeSecurityPrivilege	5048	wmic.exe
Token: SeTakeOwnershipPrivilege	5048	wmic.exe
Token: SeLoadDriverPrivilege	5048	wmic.exe
Token: SeSystemProfilePrivilege	5048	wmic.exe
Token: SeSystemtimePrivilege	5048	wmic.exe
Token: SeProfSingleProcessPrivilege	5048	wmic.exe
Token: SeIncBasePriorityPrivilege	5048	wmic.exe
Token: SeCreatePagefilePrivilege	5048	wmic.exe
Token: SeBackupPrivilege	5048	wmic.exe
Token: SeRestorePrivilege	5048	wmic.exe
Token: SeShutdownPrivilege	5048	wmic.exe
Token: SeDebugPrivilege	5048	wmic.exe
Token: SeSystemEnvironmentPrivilege	5048	wmic.exe
Token: SeRemoteShutdownPrivilege	5048	wmic.exe
Token: SeUndockPrivilege	5048	wmic.exe
Token: SeManageVolumePrivilege	5048	wmic.exe
Token: 33	5048	wmic.exe
Token: 34	5048	wmic.exe
Token: 35	5048	wmic.exe
Token: 36	5048	wmic.exe
Token: SeDebugPrivilege	1212	tasklist.exe
Token: SeDebugPrivilege	1532	powershell.exe
Token: SeDebugPrivilege	840	powershell.exe
Token: SeIncreaseQuotaPrivilege	672	wmic.exe
Token: SeSecurityPrivilege	672	wmic.exe
Token: SeTakeOwnershipPrivilege	672	wmic.exe
Token: SeLoadDriverPrivilege	672	wmic.exe
Token: SeSystemProfilePrivilege	672	wmic.exe
Token: SeSystemtimePrivilege	672	wmic.exe
Token: SeProfSingleProcessPrivilege	672	wmic.exe
Token: SeIncBasePriorityPrivilege	672	wmic.exe
Token: SeCreatePagefilePrivilege	672	wmic.exe
Token: SeBackupPrivilege	672	wmic.exe
Token: SeRestorePrivilege	672	wmic.exe
Token: SeShutdownPrivilege	672	wmic.exe
Token: SeDebugPrivilege	672	wmic.exe
Token: SeSystemEnvironmentPrivilege	672	wmic.exe
Token: SeRemoteShutdownPrivilege	672	wmic.exe
Token: SeUndockPrivilege	672	wmic.exe
Token: SeManageVolumePrivilege	672	wmic.exe
Token: 33	672	wmic.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 5048	2568	WaveInstaller.exe	86
PID 2568 wrote to memory of 5048	2568	WaveInstaller.exe	86
PID 2568 wrote to memory of 1212	2568	WaveInstaller.exe	87
PID 2568 wrote to memory of 1212	2568	WaveInstaller.exe	87
PID 2568 wrote to memory of 1532	2568	WaveInstaller.exe	88
PID 2568 wrote to memory of 1532	2568	WaveInstaller.exe	88
PID 1532 wrote to memory of 840	1532	powershell.exe	89
PID 1532 wrote to memory of 840	1532	powershell.exe	89
PID 2568 wrote to memory of 672	2568	WaveInstaller.exe	90
PID 2568 wrote to memory of 672	2568	WaveInstaller.exe	90
PID 2568 wrote to memory of 2296	2568	WaveInstaller.exe	91
PID 2568 wrote to memory of 2296	2568	WaveInstaller.exe	91
PID 2568 wrote to memory of 2116	2568	WaveInstaller.exe	92
PID 2568 wrote to memory of 2116	2568	WaveInstaller.exe	92
PID 2296 wrote to memory of 4616	2296	driver1.exe	93
PID 2296 wrote to memory of 4616	2296	driver1.exe	93
PID 2296 wrote to memory of 4616	2296	driver1.exe	93
PID 2296 wrote to memory of 4616	2296	driver1.exe	93
PID 2296 wrote to memory of 4616	2296	driver1.exe	93
PID 4616 wrote to memory of 2404	4616	BitLockerToGo.exe	94
PID 4616 wrote to memory of 2404	4616	BitLockerToGo.exe	94
PID 4616 wrote to memory of 2404	4616	BitLockerToGo.exe	94
PID 4616 wrote to memory of 2404	4616	BitLockerToGo.exe	94
PID 4616 wrote to memory of 2404	4616	BitLockerToGo.exe	94

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2820
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2404

C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
"C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Windows\System32\Wbem\wmic.exe
  wmic path win32_VideoController get name
  2⤵
  - Detects videocard installed
  - Suspicious use of AdjustPrivilegeToken
  PID:5048
- C:\Windows\system32\tasklist.exe
  tasklist
  2⤵
  - Enumerates processes with tasklist
  - Suspicious use of AdjustPrivilegeToken
  PID:1212
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe\""
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1532
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:840
- C:\Windows\System32\Wbem\wmic.exe
  wmic csproduct get uuid
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:672
- C:\ProgramData\driver1.exe
  C:\ProgramData\driver1.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
    C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:4616
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 452
      4⤵
      Program crash
      PID:1308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 476
      4⤵
      Program crash
      PID:1548
- C:\Windows\system32\schtasks.exe
  schtasks /create /tn WinDriver /tr C:\ProgramData\Microsoft\WinDriver.exe /sc onstart /ru SYSTEM
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4616 -ip 4616
1⤵
PID:452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4616 -ip 4616
1⤵
PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

driver1.exe

Path C:\ProgramData\driver1.exe
Size 7.3MB
SHA256 ce3b888419f9e46029d630e56e15e64eb28b9f92652a1acf477a87a5aebe3f48
MD5 69c08e5d078bd287b3cb43b7c35bc831
SHA1 307b8de9da4d24d474e44beaf4f32c15b258b0f6
SHA512 1bf71b7fc5e991dda21f6ed1c62895d5ba161b01677cba0901568df0a4bf3d6419cc3c04e83007566ee21de2cd66230af37de40b5ff61701ac4ad820a7b73152
SSDEEP 98304:qpGxoV+okXp8PVFlr/xGTElV9FSMqGYG1DVID:Eo8PDflV9FMG1DVID
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 119B
SHA256 c95e085f42475222cc2b9f826603fefdc1a07c7dd09fc6b34b9b653bd9e941c2
MD5 052411e7391aa5b946a2e4704acac937
SHA1 076644cf01f4f88ad27b2aa3255159ccf1bdc1b6
SHA512 5d7660f8226f3b73263125270b6a1188cad3301e8f2fa0355af9472cc71afe4dcd00fd8eff4057ff50a4fdb2d0064928123ff74043d12d761b546c2749d9e9a0
MD5 SHA1 SHA512

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__PSScriptPolicyTest_ojxlu134.asq.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ojxlu134.asq.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1532-2-0x0000024AEEC50000-0x0000024AEEC72000-memory.dmp

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memory/2296-39-0x00007FF65FBD0000-0x00007FF660382000-memory.dmp

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memory/2296-41-0x00007FF65FBD0000-0x00007FF660382000-memory.dmp

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memory/2404-48-0x0000000000EE0000-0x0000000000EE9000-memory.dmp

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memory/2404-53-0x0000000076E70000-0x0000000077085000-memory.dmp

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memory/2404-51-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

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memory/2404-50-0x0000000002A60000-0x0000000002E60000-memory.dmp

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memory/4616-42-0x0000000000B40000-0x0000000000BBE000-memory.dmp

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memory/4616-47-0x0000000076E70000-0x0000000077085000-memory.dmp

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memory/4616-45-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

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memory/4616-44-0x0000000003D20000-0x0000000004120000-memory.dmp

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memory/4616-43-0x0000000003D20000-0x0000000004120000-memory.dmp

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memory/4616-40-0x0000000000B40000-0x0000000000BBE000-memory.dmp

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