phorphiex | 3b3a3f2b9e4277b0a2398c052b16bcf4fd5bdddf6d5a9510d50eed2922e4909a

General

Target

2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe
Size

540KB
MD5

055c66efabe8a08249f361c25c268776
SHA1

4e0fe1bd0268c3597f2174155b1644f26801eb75
SHA256

3b3a3f2b9e4277b0a2398c052b16bcf4fd5bdddf6d5a9510d50eed2922e4909a
SHA512

d9778db805d9b1946d52e07997661933f3ba50c88f25c51844e02a69f3bacffb42469d61313671a2db3b0a27b7312fb7f3ead9ad23e1f5d724c864f5924241d5
SSDEEP

6144:biTqgf2uaWvLZTzkI1uIRInWa4P8I37tJbULD4VH:eTqgf2uakLV5MIRI8r/

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/0x00070000000241b0-10.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
22	4712	706D.exe
1	5088	2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe

Executes dropped EXE 4 IoCs

pid	Process
4712	706D.exe
1616	983826797.exe
2508	sysldrvsn.exe
3184	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"	983826797.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysldrvsn.exe	983826797.exe
File opened for modification	C:\Windows\sysldrvsn.exe	983826797.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	706D.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	983826797.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysldrvsn.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4712	5088	2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe	86
PID 5088 wrote to memory of 4712	5088	2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe	86
PID 5088 wrote to memory of 4712	5088	2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe	86
PID 4712 wrote to memory of 1616	4712	706D.exe	97
PID 4712 wrote to memory of 1616	4712	706D.exe	97
PID 4712 wrote to memory of 1616	4712	706D.exe	97
PID 1616 wrote to memory of 2508	1616	983826797.exe	100
PID 1616 wrote to memory of 2508	1616	983826797.exe	100
PID 1616 wrote to memory of 2508	1616	983826797.exe	100
PID 1632 wrote to memory of 3184	1632	cmd.exe	101
PID 1632 wrote to memory of 3184	1632	cmd.exe	101
PID 1632 wrote to memory of 3184	1632	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-14_055c66efabe8a08249f361c25c268776_black-basta_cobalt-strike_satacom.exe"
1⤵
- Downloads MZ/PE file
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Users\Admin\AppData\Local\Temp\706D.exe
  "C:\Users\Admin\AppData\Local\Temp\706D.exe"
  2⤵
  - Downloads MZ/PE file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Users\Admin\AppData\Local\Temp\983826797.exe
    C:\Users\Admin\AppData\Local\Temp\983826797.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:1616
  - - C:\Windows\sysldrvsn.exe
      C:\Windows\sysldrvsn.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2508

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Windows\sysldrvsn.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\sysldrvsn.exe
  C:\Windows\sysldrvsn.exe
  2⤵
  - Executes dropped EXE
  PID:3184

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\706D.exe

Filesize
10KB

MD5
21789ebcbfca1eb0c6881e6af6216a81

SHA1
30152ddbe1150a2a612eb7b08e6551830276c8f0

SHA256
c0d12405d2a5cd6064e6e498d6f5f7fd48c72b2d02f171f20f898a4d2832968c

SHA512
cf3296247865130e4e769f09280d5f15237bedf474734f7b383130dfd01c5407a081e3f571152c393845b08d8ed48a0b2d23d11e905783332fb2552d20ad4514

Download Submit
C:\Users\Admin\AppData\Local\Temp\983826797.exe

Filesize
79KB

MD5
00306e1e4a4230f9dc6b626a68dcbbb0

SHA1
1d71fc3b6a308396c8f03bdc0ee012b44d7782e9

SHA256
8133c11eeec328b9995eec62438ecd87535d540f320beab4642d032661e448b2

SHA512
6899d3bac0cf0b493e0f4e85700a40f6ebc433c8319f746e803a948fe9715f00682adb09f967e9a02e6e4bffa020083d12192e1e375fa82a4a648ba28b3d6af9

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads