rhadamanthys | 9f1ea67ba5281a92142a5daf50f99030fa7778ffeaf2a33c109a4bc95daeb453

Analysis

max time kernel
86s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2023, 17:40

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General

Target
file.exe
Size 1.6MB
Sample230214-v8wldsed5s
SHA256 9f1ea67ba5281a92142a5daf50f99030fa7778ffeaf2a33c109a4bc95daeb453
MD5 b64e13823f736dcc033a4407703ff1ec
SHA1 7856a03a1ae75e5d88a1a14a78d6215e3fff3cd8
SHA512 a3e225136f681d6dcd71b4de029e4d40fc8c2d6230a740e190160db767b5ccea48c8fc7ac39acf65ffa10c1e2733d794210ce9a4bb629c6bea9155ba03ab625c
SSDEEP 49152:GuqT+pDmTKMaEqL4T4pv3Sfb9kPGFOQK0R:GuqT+UTsEqLWcvq9SGFOQKM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

rhadamanthys vidar 695 spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

Attributes

profile_id
695

Signatures

Detect rhadamanthys stealer shellcode 3 IoCs

resource	yara_rule
behavioral2/memory/3760-173-0x00000000027F0000-0x000000000280C000-memory.dmp	family_rhadamanthys
behavioral2/memory/3760-174-0x00000000028C0000-0x00000000038C0000-memory.dmp	family_rhadamanthys
behavioral2/memory/3760-177-0x00000000027F0000-0x000000000280C000-memory.dmp	family_rhadamanthys

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 520 created 2616	520	file.exe	46

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Loads dropped DLL 3 IoCs

pid	Process
520	file.exe
4280	ngentask.exe
4280	ngentask.exe

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3760	fontview.exe
3760	fontview.exe
3760	fontview.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 520 set thread context of 4280	520	file.exe	85

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4668	520	WerFault.exe	78
3380	520	WerFault.exe	78

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI 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\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	fontview.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\HardwareID	fontview.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fontview.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ngentask.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ngentask.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2160	timeout.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
520	file.exe
4280	ngentask.exe
4280	ngentask.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3760	fontview.exe
Token: SeCreatePagefilePrivilege	3760	fontview.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 520 wrote to memory of 4280	520	file.exe	85
PID 520 wrote to memory of 4280	520	file.exe	85
PID 520 wrote to memory of 4280	520	file.exe	85
PID 520 wrote to memory of 4280	520	file.exe	85
PID 520 wrote to memory of 4280	520	file.exe	85
PID 520 wrote to memory of 3760	520	file.exe	86
PID 520 wrote to memory of 3760	520	file.exe	86
PID 520 wrote to memory of 3760	520	file.exe	86
PID 520 wrote to memory of 3760	520	file.exe	86
PID 4280 wrote to memory of 4040	4280	ngentask.exe	88
PID 4280 wrote to memory of 4040	4280	ngentask.exe	88
PID 4280 wrote to memory of 4040	4280	ngentask.exe	88
PID 4040 wrote to memory of 2160	4040	cmd.exe	90
PID 4040 wrote to memory of 2160	4040	cmd.exe	90
PID 4040 wrote to memory of 2160	4040	cmd.exe	90

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2616
- C:\Windows\SysWOW64\fontview.exe
  "C:\Windows\SYSWOW64\fontview.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks SCSI registry key(s)
  - Suspicious use of AdjustPrivilegeToken
  PID:3760

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngentask.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4040
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 6
      4⤵
      Delays execution with timeout.exe
      PID:2160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 1084
  2⤵
  - Program crash
  PID:4668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 520 -s 1288
  2⤵
  - Program crash
  PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 520 -ip 520
1⤵
PID:2608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 520 -ip 520
1⤵
PID:8

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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240574546.dll

Path C:\Users\Admin\AppData\Local\Temp\240574546.dll
Size 334KB
SHA256 3f529e3cd37c9f1844600f14e780d37b59af0c4df1460ac76f14ecd05af59a0b
MD5 7abf29ff45a9e475a0ce84406b8359d9
SHA1 c70e834970ac3d206c70951881b99576e5379416
SHA512 be7f48f655a27de34b1ebbe9c934772f7294506e3269ddfab5de596bdf4733cf07bd650d4d35c1c19bba2aa14d79241dde6c8ff29ff75c4f1cd394860aec8b43
SSDEEP 6144:lBZvQT6jEIpMn5rcCCBis/x03HKPaovhk1DMqUhH/E5HAtLgCNv7asAf:FYTEEFn5rcH/mXKiGyYq2H/E5HAtLFv0
MD5 SHA1 SHA512 SSDEEP

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memory/520-133-0x000000000DEB0000-0x000000000E269000-memory.dmp

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memory/520-134-0x000000000DEB0000-0x000000000E269000-memory.dmp

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memory/520-178-0x0000000003237000-0x00000000033C1000-memory.dmp

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memory/520-132-0x0000000003237000-0x00000000033C1000-memory.dmp

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memory/520-170-0x000000000DEB0000-0x000000000E269000-memory.dmp

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memory/520-169-0x0000000003237000-0x00000000033C1000-memory.dmp

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memory/3760-171-0x0000000000C50000-0x0000000000C83000-memory.dmp

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memory/3760-173-0x00000000027F0000-0x000000000280C000-memory.dmp

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memory/3760-145-0x0000000000C50000-0x0000000000C83000-memory.dmp

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memory/3760-177-0x00000000027F0000-0x000000000280C000-memory.dmp

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memory/3760-142-0x0000000000C50000-0x0000000000C83000-memory.dmp

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memory/3760-176-0x0000000000F08000-0x0000000000F22000-memory.dmp

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memory/3760-175-0x0000000000C50000-0x0000000000C83000-memory.dmp

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memory/3760-174-0x00000000028C0000-0x00000000038C0000-memory.dmp

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memory/3760-172-0x0000000000F08000-0x0000000000F22000-memory.dmp

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memory/4280-138-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-136-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-139-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-144-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-140-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-167-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/4280-146-0x0000000051020000-0x0000000051113000-memory.dmp

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