rhadamanthys | f2363a572a7d408e1ea2a04fd2f5a23cd7c42db67d5111bf9a7541ab9f005ec9

General

Target

LockBit (1).rar
Size

3.0MB
MD5

f609b57eb9d64194112786c5411c8f2e
SHA1

841b0eb93a9be59d4a4468330e915504ee9a5aee
SHA256

f2363a572a7d408e1ea2a04fd2f5a23cd7c42db67d5111bf9a7541ab9f005ec9
SHA512

577c83c0113d64d02e549661daade9e6d8bdd5360cc01d5d02325dd167f02fd3900ee186f8dabe9a5a250e2fc4a44ebb82ef136f4e0177b1b64c2d18f6835b41
SSDEEP

98304:atRx753lm2dF+2dFdE2dFPINGokC8FH8NZjvN:atRxFlmeF+eF+eFwN4VQZjvN

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://195.3.223.126:4287/9d0dc091285eb9fbf2e/o8f3c8oj.8rdif

Signatures

Detect rhadamanthys stealer shellcode 7 IoCs

resource	yara_rule
behavioral1/memory/3104-103-0x0000000002AB0000-0x0000000002EB0000-memory.dmp	family_rhadamanthys
behavioral1/memory/3104-105-0x0000000002AB0000-0x0000000002EB0000-memory.dmp	family_rhadamanthys
behavioral1/memory/3104-104-0x0000000002AB0000-0x0000000002EB0000-memory.dmp	family_rhadamanthys
behavioral1/memory/3104-106-0x0000000002AB0000-0x0000000002EB0000-memory.dmp	family_rhadamanthys
behavioral1/memory/3104-108-0x0000000002AB0000-0x0000000002EB0000-memory.dmp	family_rhadamanthys
behavioral1/memory/660-115-0x00000000023F0000-0x00000000027F0000-memory.dmp	family_rhadamanthys
behavioral1/memory/3152-121-0x0000000002F30000-0x0000000003330000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Rhadamanthys family
rhadamanthys

Executes dropped EXE 3 IoCs

pid	Process
1908	builder.exe
1696	decryptor.exe
3404	builder.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1908 set thread context of 3104	1908	builder.exe	85
PID 1696 set thread context of 660	1696	decryptor.exe	93
PID 3404 set thread context of 3152	3404	builder.exe	100

Program crash 5 IoCs

pid	pid_target	Process	procid_target
3848	1908	WerFault.exe	81
3220	1696	WerFault.exe	91
1624	660	WerFault.exe	93
4200	3404	WerFault.exe	98
3548	3152	WerFault.exe	100

System Location Discovery: System Language Discovery 1 TTPs 5 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	decryptor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	builder.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

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_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\HardwareID	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3104	AppLaunch.exe
3104	AppLaunch.exe
660	AppLaunch.exe
660	AppLaunch.exe
3152	AppLaunch.exe
3152	AppLaunch.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
72	7zFM.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	72	7zFM.exe
Token: 35	72	7zFM.exe
Token: SeSecurityPrivilege	72	7zFM.exe
Token: SeShutdownPrivilege	3104	AppLaunch.exe
Token: SeCreatePagefilePrivilege	3104	AppLaunch.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
72	7zFM.exe
72	7zFM.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1908 wrote to memory of 3104	1908	builder.exe	85
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 1696 wrote to memory of 660	1696	decryptor.exe	93
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100
PID 3404 wrote to memory of 3152	3404	builder.exe	100

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\LockBit (1).rar"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:72

C:\Users\Admin\Desktop\builder.exe
"C:\Users\Admin\Desktop\builder.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 160
  2⤵
  - Program crash
  PID:3848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1908 -ip 1908
1⤵
PID:4948

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3704

C:\Users\Admin\Desktop\Debug\decryptor.exe
"C:\Users\Admin\Desktop\Debug\decryptor.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 660 -s 532
    3⤵
    - Program crash
    PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 160
  2⤵
  - Program crash
  PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1696 -ip 1696
1⤵
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 660 -ip 660
1⤵
PID:3744

C:\Users\Admin\Desktop\builder.exe
"C:\Users\Admin\Desktop\builder.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3152
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3152 -s 468
    3⤵
    - Program crash
    PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 364
  2⤵
  - Program crash
  PID:4200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3404 -ip 3404
1⤵
PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3152 -ip 3152
1⤵
PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7zE84057DF7\Debug\decryptor.exe

Filesize
662KB

MD5
2bc873b1b388bff91d12eb1d2ce9ca16

SHA1
72bf0e13509d0d10641dcd6b82be520279759a28

SHA256
89cbb69df65004a0cf5673be11e5625933ebf10683bf33e39a6d137be63649ab

SHA512
de3b17487192e8641da89b2ba88a65b5cd09e131bc588903f6ef39efab333a08d852c8259004c2516dc17ef9b349cdef4ab54ab1d49862e4f0f974973a527225

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zE84057DF7\decryptor\decryptor.pdb

Filesize
1.1MB

MD5
d28f6d860cc7415c725caaca414a6a32

SHA1
3823cf5c63b6d1ba15a3ca2581e83d830e63074b

SHA256
6b8ef6acb7d99764102dd29c2fc5d6305d2b0106a1247020fe5178985a5499f9

SHA512
2a29d46bfcc52681527fb2833866db04e0ee48c7bd058ca948dfa202a821ffcc544ceab286a2fdb0132c01fadb79990a88d759a1ba04cbbfa6ac4b6d3c1445d6

Download Submit
memory/660-115-0x00000000023F0000-0x00000000027F0000-memory.dmp

Filesize
4.0MB

Download
memory/660-112-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3104-101-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3104-102-0x0000000000CF0000-0x0000000000CF7000-memory.dmp

Filesize
28KB

Download
memory/3104-103-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

Filesize
4.0MB

Download
memory/3104-105-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

Filesize
4.0MB

Download
memory/3104-104-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

Filesize
4.0MB

Download
memory/3104-106-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

Filesize
4.0MB

Download
memory/3104-107-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3104-108-0x0000000002AB0000-0x0000000002EB0000-memory.dmp

Filesize
4.0MB

Download
memory/3104-100-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3104-98-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3152-118-0x0000000000400000-0x0000000000473000-memory.dmp

Filesize
460KB

Download
memory/3152-121-0x0000000002F30000-0x0000000003330000-memory.dmp

Filesize
4.0MB

Download

Analysis

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