phorphiex | 90341c93b81dac4fda86c1059e98d2c8ca4c78ecbe74deb44ee88518fa9cd2bc

General

Target

2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe
Size

162KB
MD5

3a3c73a58d90a4f9327161f638fcb748
SHA1

f2ee5af60a9fdd31507e47c1e06b165eef474ce1
SHA256

90341c93b81dac4fda86c1059e98d2c8ca4c78ecbe74deb44ee88518fa9cd2bc
SHA512

f74f8867099a3698d3a21372f9c47a7b1ae28de0b446673325fe0ac3f91945d90af885cdf935143ea1f1ae08842f82c0085976bbd89537f0a36bc8a3c69b6454
SSDEEP

3072:Q982i0/16CUicomL0yAktZpN/hLXVzYZAs0y6Olm:QviGR/c0yvZpuFdI

Score

10^/10

phorphiex discovery loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.66/

http://185.39.17.124/

Wallets

TW3wpRJmZgC5WifuY468JBUCF3TEkzBT5H

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MF6iVGLmErYP9y4B9SwtzarDoy3ETSzYrh

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

0x46e5cc402BC848ceC9f4d65c9B48aE7D7A24821B

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1B8FF5WwJXNnjkVzxgPkAznVZ8uKb3Watx

ltc1qyfzdpxky7q2grz4zmqv5x0t0uwfuznl5u43c93

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3GcQJkfHq7NWgBhhNKjz7uSfM6LzADpLvX

CSLKveRL2zqkbV2TqiFVuW6twtpqgFajoUZLAJQTTQk2

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

Attributes

mutex
x5x7x2x9x
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Signatures

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000024047-23.dat	family_phorphiex

Phorphiex, Phorpiex
Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

Downloads MZ/PE file 2 IoCs

flow	pid	Process
17	5584	6F92.exe
1	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe

Executes dropped EXE 4 IoCs

pid	Process
5584	6F92.exe
3904	2336726135.exe
4448	sysldrvsn.exe
4616	sysldrvsn.exe

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\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysldrvsn.exe"	2336726135.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\sysldrvsn.exe	2336726135.exe
File created	C:\Windows\sysldrvsn.exe	2336726135.exe

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	2336726135.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysldrvsn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6F92.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5648 wrote to memory of 5584	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe	86
PID 5648 wrote to memory of 5584	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe	86
PID 5648 wrote to memory of 5584	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe	86
PID 5648 wrote to memory of 5720	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe	88
PID 5648 wrote to memory of 5720	5648	2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe	88
PID 5584 wrote to memory of 3904	5584	6F92.exe	92
PID 5584 wrote to memory of 3904	5584	6F92.exe	92
PID 5584 wrote to memory of 3904	5584	6F92.exe	92
PID 3904 wrote to memory of 4448	3904	2336726135.exe	95
PID 3904 wrote to memory of 4448	3904	2336726135.exe	95
PID 3904 wrote to memory of 4448	3904	2336726135.exe	95
PID 4428 wrote to memory of 4616	4428	cmd.exe	96
PID 4428 wrote to memory of 4616	4428	cmd.exe	96
PID 4428 wrote to memory of 4616	4428	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-14_3a3c73a58d90a4f9327161f638fcb748_black-basta.exe"
1⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
PID:5648
- C:\Users\Admin\AppData\Local\Temp\6F92.exe
  "C:\Users\Admin\AppData\Local\Temp\6F92.exe"
  2⤵
  - Downloads MZ/PE file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5584
- - C:\Users\Admin\AppData\Local\Temp\2336726135.exe
    C:\Users\Admin\AppData\Local\Temp\2336726135.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3904
  - - C:\Windows\sysldrvsn.exe
      C:\Windows\sysldrvsn.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4448
- C:\Program Files\Java\jdk-1.8\bin\java.exe
  "C:\Program Files\Java\jdk-1.8\bin\java.exe" -Xmx256M "-Djavafx.home=C:\Users\Admin\AppData\Local\Temp" -classpath "C:\Users\Admin\AppData\Local\Temp\..\lib\ant-javafx.jar;" com.sun.javafx.tools.packager.Main
  2⤵
  PID:5720

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\sysldrvsn.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:4428
- C:\Windows\sysldrvsn.exe
  C:\Windows\sysldrvsn.exe
  2⤵
  - Executes dropped EXE
  PID:4616

Network

MITRE ATT&CK Enterprise v16

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\2336726135.exe

Filesize
79KB

MD5
00306e1e4a4230f9dc6b626a68dcbbb0

SHA1
1d71fc3b6a308396c8f03bdc0ee012b44d7782e9

SHA256
8133c11eeec328b9995eec62438ecd87535d540f320beab4642d032661e448b2

SHA512
6899d3bac0cf0b493e0f4e85700a40f6ebc433c8319f746e803a948fe9715f00682adb09f967e9a02e6e4bffa020083d12192e1e375fa82a4a648ba28b3d6af9

Download Submit
C:\Users\Admin\AppData\Local\Temp\6F92.exe

Filesize
10KB

MD5
21789ebcbfca1eb0c6881e6af6216a81

SHA1
30152ddbe1150a2a612eb7b08e6551830276c8f0

SHA256
c0d12405d2a5cd6064e6e498d6f5f7fd48c72b2d02f171f20f898a4d2832968c

SHA512
cf3296247865130e4e769f09280d5f15237bedf474734f7b383130dfd01c5407a081e3f571152c393845b08d8ed48a0b2d23d11e905783332fb2552d20ad4514

Download Submit
memory/5720-9-0x000002831E500000-0x000002831E770000-memory.dmp

Filesize
2.4MB

Download
memory/5720-18-0x000002831CC00000-0x000002831CC01000-memory.dmp

Filesize
4KB

Download
memory/5720-19-0x000002831E500000-0x000002831E770000-memory.dmp

Filesize
2.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads