phorphiex | 72b19310a8c3cdfc23be1041eb773e6e41a08ec608e53b027b32e05a275b1da9

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 17:02

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General

Target

0x0031000000018bf3-2.exe
Size

101KB
MD5

8a30adfbb8c9ed8170177ce8c5738fbf
SHA1

2d029ddd39fe81a08982dd4309a74045aa91004f
SHA256

72b19310a8c3cdfc23be1041eb773e6e41a08ec608e53b027b32e05a275b1da9
SHA512

8885308b53b8d1baab14a98ec257acac9c700f2cebe48cbb79a25e3d7133f0016ba082ec9f8397c9b1677375dd5a1d3894d813aba5947f267b44b012fa6a027f
SSDEEP

1536:UXOmn3OiFmav82rMA0oMMgQxJpROyWlVyTxFe4x6Dbe2n:CR38ODDdWl4NzoK2n

Score

10^/10

phorphiex discovery loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://45.93.20.18

Signatures

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000133b8-4.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

Executes dropped EXE 2 IoCs

pid	Process
1636	sysldrvcs.exe
2636	2994328098.exe

Loads dropped DLL 1 IoCs

pid	Process
1636	sysldrvcs.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\\sysldrvcs.exe"	0x0031000000018bf3-2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\sysldrvcs.exe	0x0031000000018bf3-2.exe
File created	C:\Windows\sysldrvcs.exe	0x0031000000018bf3-2.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	0x0031000000018bf3-2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysldrvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2994328098.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1636	3052	0x0031000000018bf3-2.exe	30
PID 3052 wrote to memory of 1636	3052	0x0031000000018bf3-2.exe	30
PID 3052 wrote to memory of 1636	3052	0x0031000000018bf3-2.exe	30
PID 3052 wrote to memory of 1636	3052	0x0031000000018bf3-2.exe	30
PID 1636 wrote to memory of 2636	1636	sysldrvcs.exe	32
PID 1636 wrote to memory of 2636	1636	sysldrvcs.exe	32
PID 1636 wrote to memory of 2636	1636	sysldrvcs.exe	32
PID 1636 wrote to memory of 2636	1636	sysldrvcs.exe	32

C:\Users\Admin\AppData\Local\Temp\0x0031000000018bf3-2.exe
"C:\Users\Admin\AppData\Local\Temp\0x0031000000018bf3-2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\sysldrvcs.exe
  C:\Windows\sysldrvcs.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Users\Admin\AppData\Local\Temp\2994328098.exe
    C:\Users\Admin\AppData\Local\Temp\2994328098.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\sysldrvcs.exe

Filesize
101KB

MD5
8a30adfbb8c9ed8170177ce8c5738fbf

SHA1
2d029ddd39fe81a08982dd4309a74045aa91004f

SHA256
72b19310a8c3cdfc23be1041eb773e6e41a08ec608e53b027b32e05a275b1da9

SHA512
8885308b53b8d1baab14a98ec257acac9c700f2cebe48cbb79a25e3d7133f0016ba082ec9f8397c9b1677375dd5a1d3894d813aba5947f267b44b012fa6a027f

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\Users\Admin\AppData\Local\Temp\2994328098.exe

Filesize
19KB

MD5
9adb4c4939743d5f3e670b4d783d38e5

SHA1
7c989249b99b82def352f66bc97d9403fd6e653b

SHA256
be502d8d90235a3c317e97cacb55b0eb5ec2aa8c50a582ec6f0527d08e99a759

SHA512
7573981af4fc4845e4af61067e4620b92aace90b4ac218a14920dc6f93bddafac92a8f7b02c61f3d41b42ba9f1aabbea3c215dc439da3e9c9dc68060c9a53ac1

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads