rhadamanthys | fb60104722bd3e978deb9f646a66c645669b56976f3860422151936945104b0d

General

Target

nitro.exe
Size

448KB
MD5

247e118fea545a3c2fe66e2f6cbb909e
SHA1

9b3111d641b4d298c1929bb854fe625dce04a31e
SHA256

fb60104722bd3e978deb9f646a66c645669b56976f3860422151936945104b0d
SHA512

339d33716e0906b40ec99e959f364681af828d9e4c6756955ca20d4bd309ce534e77593d9e662fbf15b848f480dcd6ca73d94407499b067e1984d0070af96078
SSDEEP

6144:5YD/SKiChZJwLEm/8hXOrPM90O0UkoGBnjCdbGeFhhYftgpN9J2Gox6KX2WIUvg3:iD/x91wiGM9YNnGFn/ym9md27XSgBaQ

Score

10^/10

rhadamanthys discovery 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

Processes:

RegAsm.exe

description	pid	Process	procid_target
PID 1748 created 2668	1748	RegAsm.exe	45

Suspicious use of SetThreadContext 1 IoCs

Processes:

nitro.exe

description	pid	Process	procid_target
PID 4360 set thread context of 1748	4360	nitro.exe	86

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	Process	procid_target
3052	1748	WerFault.exe	86
4628	1748	WerFault.exe	86

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

Processes:

nitro.exeRegAsm.exedialer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nitro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dialer.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RegAsm.exedialer.exe

pid	Process
1748	RegAsm.exe
1748	RegAsm.exe
3568	dialer.exe
3568	dialer.exe
3568	dialer.exe
3568	dialer.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

nitro.exeRegAsm.exe

description	pid	Process	procid_target
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 4360 wrote to memory of 1748	4360	nitro.exe	86
PID 1748 wrote to memory of 3568	1748	RegAsm.exe	88
PID 1748 wrote to memory of 3568	1748	RegAsm.exe	88
PID 1748 wrote to memory of 3568	1748	RegAsm.exe	88
PID 1748 wrote to memory of 3568	1748	RegAsm.exe	88
PID 1748 wrote to memory of 3568	1748	RegAsm.exe	88

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668
- C:\Windows\SysWOW64\dialer.exe
  "C:\Windows\system32\dialer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3568

C:\Users\Admin\AppData\Local\Temp\nitro.exe
"C:\Users\Admin\AppData\Local\Temp\nitro.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 596
    3⤵
    - Program crash
    PID:3052
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 592
    3⤵
    - Program crash
    PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1748 -ip 1748
1⤵
PID:4132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1748 -ip 1748
1⤵
PID:4056

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

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Downloads

memory/1748-14-0x00007FFE63570000-0x00007FFE63765000-memory.dmp

Filesize
2.0MB

Download
memory/1748-27-0x0000000003840000-0x0000000003C40000-memory.dmp

Filesize
4.0MB

Download
memory/1748-4-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1748-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1748-10-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1748-17-0x0000000075A80000-0x0000000075C95000-memory.dmp

Filesize
2.1MB

Download
memory/1748-11-0x0000000003840000-0x0000000003C40000-memory.dmp

Filesize
4.0MB

Download
memory/1748-12-0x0000000003840000-0x0000000003C40000-memory.dmp

Filesize
4.0MB

Download
memory/1748-13-0x0000000003840000-0x0000000003C40000-memory.dmp

Filesize
4.0MB

Download
memory/1748-15-0x0000000003840000-0x0000000003C40000-memory.dmp

Filesize
4.0MB

Download
memory/3568-25-0x0000000075A80000-0x0000000075C95000-memory.dmp

Filesize
2.1MB

Download
memory/3568-18-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/3568-21-0x00007FFE63570000-0x00007FFE63765000-memory.dmp

Filesize
2.0MB

Download
memory/3568-23-0x0000000002A20000-0x0000000002E20000-memory.dmp

Filesize
4.0MB

Download
memory/3568-24-0x0000000002A20000-0x0000000002E20000-memory.dmp

Filesize
4.0MB

Download
memory/3568-26-0x0000000002A20000-0x0000000002E20000-memory.dmp

Filesize
4.0MB

Download
memory/4360-9-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download
memory/4360-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/4360-1-0x0000000000A60000-0x0000000000AD6000-memory.dmp

Filesize
472KB

Download
memory/4360-28-0x0000000074400000-0x0000000074BB0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads