rhadamanthys | 11892dbe32cebd618deb6dc36477829ef9fb8181d7ec887408f44c08bb5f675b

General

Target

Oxfvbxp.exe
Size

2.9MB
MD5

53218d44298f406baefb2fd052eeb0ef
SHA1

afc422b48b829f29ee2cb95eb9d5139b788a1727
SHA256

11892dbe32cebd618deb6dc36477829ef9fb8181d7ec887408f44c08bb5f675b
SHA512

88b81da7e8d3665b0a41cd272c50318b8090dc3240d88020255f079df1373e2cf5fb9f0249320fb7346a52a29d20de42a4385f75e1cf91a12aa40786eae1a12a
SSDEEP

49152:zT8+dJPn7Vud6KGavAZXJgfx1HmwPKtWKbF1mIgZ+wau1CObHeIp3hPI4OH+Mfsk:38ROupbHeI7gf+MfA

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.209.161.207:2421/44194499adc4d2b753ee/bduh0f2e.ee92s

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 1628 created 2920	1628	Oxfvbxp.exe	49

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4588	1628	WerFault.exe	82
2244	1628	WerFault.exe	82

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1628	Oxfvbxp.exe
1628	Oxfvbxp.exe
3796	openwith.exe
3796	openwith.exe
3796	openwith.exe
3796	openwith.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 1628	4200	Oxfvbxp.exe	82
PID 4200 wrote to memory of 1628	4200	Oxfvbxp.exe	82
PID 4200 wrote to memory of 1628	4200	Oxfvbxp.exe	82
PID 4200 wrote to memory of 1628	4200	Oxfvbxp.exe	82
PID 4200 wrote to memory of 1628	4200	Oxfvbxp.exe	82
PID 1628 wrote to memory of 3796	1628	Oxfvbxp.exe	85
PID 1628 wrote to memory of 3796	1628	Oxfvbxp.exe	85
PID 1628 wrote to memory of 3796	1628	Oxfvbxp.exe	85
PID 1628 wrote to memory of 3796	1628	Oxfvbxp.exe	85
PID 1628 wrote to memory of 3796	1628	Oxfvbxp.exe	85

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2920
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3796

C:\Users\Admin\AppData\Local\Temp\Oxfvbxp.exe
"C:\Users\Admin\AppData\Local\Temp\Oxfvbxp.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Users\Admin\AppData\Local\Temp\Oxfvbxp.exe
  "C:\Users\Admin\AppData\Local\Temp\Oxfvbxp.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 468
    3⤵
    - Program crash
    PID:4588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 476
    3⤵
    - Program crash
    PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1628 -ip 1628
1⤵
PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1628 -ip 1628
1⤵
PID:1948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/1628-20-0x0000000076B30000-0x0000000076D45000-memory.dmp

Filesize
2.1MB

Download
memory/1628-13-0x00000000006F0000-0x000000000076E000-memory.dmp

Filesize
504KB

Download
memory/1628-18-0x00007FFF86250000-0x00007FFF86445000-memory.dmp

Filesize
2.0MB

Download
memory/1628-17-0x0000000003570000-0x0000000003970000-memory.dmp

Filesize
4.0MB

Download
memory/1628-16-0x0000000003570000-0x0000000003970000-memory.dmp

Filesize
4.0MB

Download
memory/1628-7-0x00000000006F0000-0x000000000076E000-memory.dmp

Filesize
504KB

Download
memory/1628-15-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/1628-14-0x00000000006F0000-0x000000000076E000-memory.dmp

Filesize
504KB

Download
memory/3796-21-0x0000000000170000-0x0000000000179000-memory.dmp

Filesize
36KB

Download
memory/3796-23-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/3796-24-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/3796-28-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/3796-29-0x0000000002060000-0x0000000002460000-memory.dmp

Filesize
4.0MB

Download
memory/3796-27-0x0000000076B30000-0x0000000076D45000-memory.dmp

Filesize
2.1MB

Download
memory/3796-25-0x00007FFF86250000-0x00007FFF86445000-memory.dmp

Filesize
2.0MB

Download
memory/4200-4-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-2-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-3-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-1-0x000000000046A000-0x0000000000482000-memory.dmp

Filesize
96KB

Download
memory/4200-0-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-8-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-12-0x0000000000671000-0x000000000067B000-memory.dmp

Filesize
40KB

Download
memory/4200-11-0x000000000046A000-0x0000000000482000-memory.dmp

Filesize
96KB

Download
memory/4200-6-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-10-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download
memory/4200-5-0x0000000000400000-0x00000000006ED000-memory.dmp

Filesize
2.9MB

Download

Analysis

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