rhadamanthys | 861f2c5f07c9e1c7d24c2e34eb47ff3129cd39a2227a2549809b9d5c92267883

General

Target

goodboy.exe
Size

860KB
MD5

11ad0f71caabbadba8ca08663690ca39
SHA1

2dde6d4b02f8121c7e79af49ff524b96e62fc708
SHA256

861f2c5f07c9e1c7d24c2e34eb47ff3129cd39a2227a2549809b9d5c92267883
SHA512

ea4e66ea0df09c2f4ae90731ccf06343b7ba3066915f234858fdaee39cb39dc681ebcc9b82ccc38ab146330b1fad2cced798d0bf694ec9d31d963abf789c7a9c
SSDEEP

24576:I2yEGU/CgPh3wl0oKEJKpSL3MG6/2ZbNy0:IFG/Cy5poKVpSTn

Score

10^/10

rhadamanthys discovery persistence spyware stealer

Malware Config

Signatures

Detects Rhadamanthys payload 4 IoCs

resource	yara_rule
behavioral1/memory/1196-28-0x0000000000400000-0x0000000000481000-memory.dmp	Rhadamanthys_v8
behavioral1/memory/1196-27-0x0000000000400000-0x0000000000481000-memory.dmp	Rhadamanthys_v8
behavioral1/memory/1196-25-0x0000000000400000-0x0000000000481000-memory.dmp	Rhadamanthys_v8
behavioral1/memory/1196-30-0x0000000000400000-0x0000000000481000-memory.dmp	Rhadamanthys_v8

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

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1196 created 2788	1196	c214.exe	49

Executes dropped EXE 3 IoCs

pid	Process
1100	BUILD0~1.EXE
1192	c214.exe
1196	c214.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	goodboy.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1192 set thread context of 1196	1192	c214.exe	89

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3352	1192	WerFault.exe	88
3936	1196	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 3 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	c214.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c214.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	BUILD0~1.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	BUILD0~1.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
1100	BUILD0~1.EXE
1100	BUILD0~1.EXE
1100	BUILD0~1.EXE
1196	c214.exe
1196	c214.exe
1196	c214.exe
1196	c214.exe
4268	svchost.exe
4268	svchost.exe
4268	svchost.exe
4268	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1100	BUILD0~1.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 1100	2524	goodboy.exe	84
PID 2524 wrote to memory of 1100	2524	goodboy.exe	84
PID 2524 wrote to memory of 1192	2524	goodboy.exe	88
PID 2524 wrote to memory of 1192	2524	goodboy.exe	88
PID 2524 wrote to memory of 1192	2524	goodboy.exe	88
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1192 wrote to memory of 1196	1192	c214.exe	89
PID 1196 wrote to memory of 4268	1196	c214.exe	93
PID 1196 wrote to memory of 4268	1196	c214.exe	93
PID 1196 wrote to memory of 4268	1196	c214.exe	93
PID 1196 wrote to memory of 4268	1196	c214.exe	93
PID 1196 wrote to memory of 4268	1196	c214.exe	93

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2788
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4268

C:\Users\Admin\AppData\Local\Temp\goodboy.exe
"C:\Users\Admin\AppData\Local\Temp\goodboy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD0~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD0~1.EXE
  2⤵
  - Executes dropped EXE
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1100
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c214.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c214.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1192
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c214.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c214.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1196
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1196 -s 332
      4⤵
      Program crash
      PID:3936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 812
    3⤵
    - Program crash
    PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1192 -ip 1192
1⤵
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1196 -ip 1196
1⤵
PID:3116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD0~1.EXE

Filesize
393KB

MD5
b15c2d0072df0e7c756c4338f34643dc

SHA1
e2a542c27ef62e873eecaf4a5ac2fd35857996c2

SHA256
56d449ae82f8985ed268a7ce88d51729f96e22ae023ac7c8b57f32e565670c0d

SHA512
e13cabfa08d2367ace57db1861d924c2ea359f932aa4eb935f3adde8e7f6de453f25fa6c38836dd5f6aebdc3d38b09ce6ed479b3ac29edc92018125f83da36fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c214.exe

Filesize
637KB

MD5
dc89d3df253d2a99c687fdc1175525b0

SHA1
4c545dd39023631340eaffe0b970dbd7cd2ed310

SHA256
1838af37f774045256981101f05c22cc796088ae6643f7de07b3d6ac19a9b9f3

SHA512
19b36bbbbb07467360f9a7c7a72ce12e3593b5db3fde40b08c5c3127143ecc10038afb4f8369e691937efd277a83252cdcd0fb1e182685f2e04d339458391cf0

Download Submit
memory/1100-7-0x00007FF8589A3000-0x00007FF8589A5000-memory.dmp

Filesize
8KB

Download
memory/1100-8-0x000001F1FB420000-0x000001F1FB488000-memory.dmp

Filesize
416KB

Download
memory/1100-9-0x000001F1FB8B0000-0x000001F1FB900000-memory.dmp

Filesize
320KB

Download
memory/1100-10-0x00007FF8589A0000-0x00007FF859461000-memory.dmp

Filesize
10.8MB

Download
memory/1100-11-0x000001F1FDA80000-0x000001F1FDC42000-memory.dmp

Filesize
1.8MB

Download
memory/1100-12-0x000001F198F70000-0x000001F199498000-memory.dmp

Filesize
5.2MB

Download
memory/1100-13-0x000001F1FB840000-0x000001F1FB852000-memory.dmp

Filesize
72KB

Download
memory/1100-14-0x000001F1FD930000-0x000001F1FD9A6000-memory.dmp

Filesize
472KB

Download
memory/1100-15-0x000001F1FB860000-0x000001F1FB87E000-memory.dmp

Filesize
120KB

Download
memory/1100-17-0x00007FF8589A0000-0x00007FF859461000-memory.dmp

Filesize
10.8MB

Download
memory/1192-23-0x0000000005D30000-0x00000000062D4000-memory.dmp

Filesize
5.6MB

Download
memory/1192-29-0x00000000751F0000-0x00000000759A0000-memory.dmp

Filesize
7.7MB

Download
memory/1192-21-0x00000000751FE000-0x00000000751FF000-memory.dmp

Filesize
4KB

Download
memory/1192-22-0x0000000000D70000-0x0000000000E16000-memory.dmp

Filesize
664KB

Download
memory/1196-32-0x0000000001680000-0x0000000001A80000-memory.dmp

Filesize
4.0MB

Download
memory/1196-34-0x00007FF876A50000-0x00007FF876C45000-memory.dmp

Filesize
2.0MB

Download
memory/1196-30-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1196-27-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1196-31-0x0000000001680000-0x0000000001A80000-memory.dmp

Filesize
4.0MB

Download
memory/1196-28-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1196-33-0x0000000001680000-0x0000000001A80000-memory.dmp

Filesize
4.0MB

Download
memory/1196-25-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download
memory/1196-36-0x0000000076A60000-0x0000000076C75000-memory.dmp

Filesize
2.1MB

Download
memory/1196-43-0x0000000001680000-0x0000000001A80000-memory.dmp

Filesize
4.0MB

Download
memory/4268-39-0x0000000001550000-0x0000000001950000-memory.dmp

Filesize
4.0MB

Download
memory/4268-42-0x0000000076A60000-0x0000000076C75000-memory.dmp

Filesize
2.1MB

Download
memory/4268-40-0x00007FF876A50000-0x00007FF876C45000-memory.dmp

Filesize
2.0MB

Download
memory/4268-37-0x0000000000DC0000-0x0000000000DCA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads