rhadamanthys | 4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060

General

Target

4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
Size

13.8MB
MD5

135dfcaa5528b7b142b1eaf2ff1c0e12
SHA1

dd627df5ce8f16a9223bcada97e2137869f6e017
SHA256

4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060
SHA512

0a62c0be7220d03c53aa66ae676bb7b59cc84161671ab9f9cfa09fa71059aff4161bf24be04780f7d930fa8e9dbf5b9383d407e97df88f860c134d595bee3896
SSDEEP

393216:cwV/LcRDX5ADxbV7UEtydTCNUB6InvPmRFv591NUtiJ:cMCD5KTxydTsUB6IgJ5pUtc

Score

10^/10

rhadamanthys discovery evasion execution persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://83.217.208.134/9fcc2685c3ccafd/evhh1lph.0xkmk

Signatures

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 1220 created 2596	1220	dhrfsdfr.exe	44

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2028	powershell.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe

Executes dropped EXE 2 IoCs

pid	Process
1220	dhrfsdfr.exe
3844	withrobot.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	withrobot.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4048	sc.exe
4728	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dhrfsdfr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1220	dhrfsdfr.exe
1220	dhrfsdfr.exe
628	openwith.exe
628	openwith.exe
628	openwith.exe
628	openwith.exe
3844	withrobot.exe
3844	withrobot.exe
3844	withrobot.exe
2028	powershell.exe
2028	powershell.exe
3844	withrobot.exe
3844	withrobot.exe
3844	withrobot.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	3844	withrobot.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1220	3996	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	82
PID 3996 wrote to memory of 1220	3996	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	82
PID 3996 wrote to memory of 1220	3996	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	82
PID 3996 wrote to memory of 3844	3996	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	83
PID 3996 wrote to memory of 3844	3996	4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe	83
PID 1220 wrote to memory of 628	1220	dhrfsdfr.exe	84
PID 1220 wrote to memory of 628	1220	dhrfsdfr.exe	84
PID 1220 wrote to memory of 628	1220	dhrfsdfr.exe	84
PID 1220 wrote to memory of 628	1220	dhrfsdfr.exe	84
PID 1220 wrote to memory of 628	1220	dhrfsdfr.exe	84
PID 2812 wrote to memory of 4620	2812	cmd.exe	99
PID 2812 wrote to memory of 4620	2812	cmd.exe	99

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:628

C:\Users\Admin\AppData\Local\Temp\4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe
"C:\Users\Admin\AppData\Local\Temp\4376c7ba6929c92cb67e488f22238b2b66f0ba593d339493afb6cc79eecd0060.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Roaming\dhrfsdfr.exe
  "C:\Users\Admin\AppData\Roaming\dhrfsdfr.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1220
- C:\Users\Admin\AppData\Roaming\withrobot.exe
  "C:\Users\Admin\AppData\Roaming\withrobot.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3844
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2028
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:4620
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "RuntimeBroker"
    3⤵
    - Launches sc.exe
    PID:4048
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

2

T1569

Service Execution

2

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zptz342a.old.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\dhrfsdfr.exe

Filesize
423KB

MD5
f75fd41b890f7d1915656eb3c349d231

SHA1
a6dac338a2c4118b0b642560a1c0b1d6f10863c9

SHA256
069c13063d9f5a0792437bf219b30dd2e3c6c1fa498970ad61505571bbdf1adc

SHA512
24f2c673f5530bf09b66d8ea591d869e2625b91cf3d3953f6a75052fa18b16b71ae35730b2de1b11760d22e686b23716945b50da46481bd92b65f757f6222716

Download Submit
C:\Users\Admin\AppData\Roaming\withrobot.exe

Filesize
14.8MB

MD5
02071fe1b9c8d6ade8dafa0a71600503

SHA1
5b547e72386e43c291bceea5b7d0e8f51469cd3c

SHA256
00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

SHA512
1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

Download Submit
memory/628-133-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/628-132-0x0000000002BC0000-0x0000000002FC0000-memory.dmp

Filesize
4.0MB

Download
memory/628-134-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/628-136-0x0000000076730000-0x0000000076945000-memory.dmp

Filesize
2.1MB

Download
memory/628-129-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/1220-124-0x0000000003D40000-0x0000000004140000-memory.dmp

Filesize
4.0MB

Download
memory/1220-125-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/1220-123-0x0000000003D40000-0x0000000004140000-memory.dmp

Filesize
4.0MB

Download
memory/1220-122-0x0000000003D40000-0x0000000004140000-memory.dmp

Filesize
4.0MB

Download
memory/1220-128-0x0000000076730000-0x0000000076945000-memory.dmp

Filesize
2.1MB

Download
memory/1220-127-0x0000000003D40000-0x0000000004140000-memory.dmp

Filesize
4.0MB

Download
memory/1220-130-0x00000000002B0000-0x000000000032E000-memory.dmp

Filesize
504KB

Download
memory/1220-60-0x00000000002B0000-0x000000000032E000-memory.dmp

Filesize
504KB

Download
memory/2028-147-0x000001EE47BC0000-0x000001EE47BE2000-memory.dmp

Filesize
136KB

Download
memory/3844-137-0x00007FF7EBA49000-0x00007FF7EC0E3000-memory.dmp

Filesize
6.6MB

Download
memory/3844-141-0x00007FF7EBA49000-0x00007FF7EC0E3000-memory.dmp

Filesize
6.6MB

Download
memory/3844-139-0x00007FF7EB360000-0x00007FF7ECFB8000-memory.dmp

Filesize
28.3MB

Download
memory/3844-138-0x00007FFD0B550000-0x00007FFD0B552000-memory.dmp

Filesize
8KB

Download
memory/3844-155-0x00007FF7EBA49000-0x00007FF7EC0E3000-memory.dmp

Filesize
6.6MB

Download

Analysis

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