phorphiex | a4d48a5cabb2918459adcc4bce3d26e6e06dd99b6de760d3603531dd371223fc

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
03-07-2024 15:23

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General

Target

2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe
Size

126KB
MD5

22f730a24d80460e5ea86fef36513bfa
SHA1

476ff375ea75a3183ecff434d4d46a3cd4fa78c6
SHA256

a4d48a5cabb2918459adcc4bce3d26e6e06dd99b6de760d3603531dd371223fc
SHA512

ea667bc4819fac1789c3748f262951ff29c0dcf44d9ebd4fba89eceaa3272adb227d5455829026ebed63b783c8840dbd55e6c58624656d20f82006e9963d06dd
SSDEEP

3072:D59MHkUtVPvBLBXjKVqxzMM4iGBiysOBC2cTtjpTebk8PC+1zEHaGVYwX:9WVBBmqdghBitFp6J

Score

10^/10

phorphiex evasion loader persistence spyware stealer trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://77.91.77.92/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
55a4er5wo
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

sysmablsvr.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4" sysmablsvr.exe
Phorphiex payload 1 IoCs

Processes:

resource yara_rule

\Users\Admin\AppData\Local\Temp\334958321.exe 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

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	sysmablsvr.exe

resource	yara_rule
\Users\Admin\AppData\Local\Temp\334958321.exe	family_phorphiex

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe

Downloads MZ/PE file
Executes dropped EXE 7 IoCs

Processes:

19C8.exe334958321.exesysmablsvr.exe2317112385.exe315813613.exe2765815516.exe761811828.exe

pid process

2632 19C8.exe
2556 334958321.exe
2396 sysmablsvr.exe
1432 2317112385.exe
2312 315813613.exe
1620 2765815516.exe
1756 761811828.exe
Loads dropped DLL 7 IoCs

Processes:

2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe19C8.exesysmablsvr.exe2317112385.exe

pid process

1992 2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe
2632 19C8.exe
2632 19C8.exe
2396 sysmablsvr.exe
2396 sysmablsvr.exe
1432 2317112385.exe
2396 sysmablsvr.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
T1552.001

pid	process
2632	19C8.exe
2556	334958321.exe
2396	sysmablsvr.exe
1432	2317112385.exe
2312	315813613.exe
1620	2765815516.exe
1756	761811828.exe

pid	process
1992	2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe
2632	19C8.exe
2632	19C8.exe
2396	sysmablsvr.exe
2396	sysmablsvr.exe
1432	2317112385.exe
2396	sysmablsvr.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe

Adds Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

Processes:

334958321.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe" 334958321.exe
Drops file in Windows directory 2 IoCs

Processes:

334958321.exe

description ioc process

File created C:\Windows\sysmablsvr.exe 334958321.exe
File opened for modification C:\Windows\sysmablsvr.exe 334958321.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	334958321.exe

description	ioc	process
File created	C:\Windows\sysmablsvr.exe	334958321.exe
File opened for modification	C:\Windows\sysmablsvr.exe	334958321.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe19C8.exe334958321.exesysmablsvr.exe2317112385.exe

description	pid	process	target process
PID 1992 wrote to memory of 2632	1992	2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe	19C8.exe
PID 1992 wrote to memory of 2632	1992	2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe	19C8.exe
PID 1992 wrote to memory of 2632	1992	2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe	19C8.exe
PID 1992 wrote to memory of 2632	1992	2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe	19C8.exe
PID 2632 wrote to memory of 2556	2632	19C8.exe	334958321.exe
PID 2632 wrote to memory of 2556	2632	19C8.exe	334958321.exe
PID 2632 wrote to memory of 2556	2632	19C8.exe	334958321.exe
PID 2632 wrote to memory of 2556	2632	19C8.exe	334958321.exe
PID 2556 wrote to memory of 2396	2556	334958321.exe	sysmablsvr.exe
PID 2556 wrote to memory of 2396	2556	334958321.exe	sysmablsvr.exe
PID 2556 wrote to memory of 2396	2556	334958321.exe	sysmablsvr.exe
PID 2556 wrote to memory of 2396	2556	334958321.exe	sysmablsvr.exe
PID 2396 wrote to memory of 1432	2396	sysmablsvr.exe	2317112385.exe
PID 2396 wrote to memory of 1432	2396	sysmablsvr.exe	2317112385.exe
PID 2396 wrote to memory of 1432	2396	sysmablsvr.exe	2317112385.exe
PID 2396 wrote to memory of 1432	2396	sysmablsvr.exe	2317112385.exe
PID 2396 wrote to memory of 2312	2396	sysmablsvr.exe	315813613.exe
PID 2396 wrote to memory of 2312	2396	sysmablsvr.exe	315813613.exe
PID 2396 wrote to memory of 2312	2396	sysmablsvr.exe	315813613.exe
PID 2396 wrote to memory of 2312	2396	sysmablsvr.exe	315813613.exe
PID 1432 wrote to memory of 1620	1432	2317112385.exe	2765815516.exe
PID 1432 wrote to memory of 1620	1432	2317112385.exe	2765815516.exe
PID 1432 wrote to memory of 1620	1432	2317112385.exe	2765815516.exe
PID 1432 wrote to memory of 1620	1432	2317112385.exe	2765815516.exe
PID 2396 wrote to memory of 1756	2396	sysmablsvr.exe	761811828.exe
PID 2396 wrote to memory of 1756	2396	sysmablsvr.exe	761811828.exe
PID 2396 wrote to memory of 1756	2396	sysmablsvr.exe	761811828.exe
PID 2396 wrote to memory of 1756	2396	sysmablsvr.exe	761811828.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-03_22f730a24d80460e5ea86fef36513bfa_avoslocker_cobalt-strike.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\19C8.exe
"C:\Users\Admin\AppData\Local\Temp\19C8.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2632

C:\Users\Admin\AppData\Local\Temp\334958321.exe
C:\Users\Admin\AppData\Local\Temp\334958321.exe
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2556

C:\Windows\sysmablsvr.exe
C:\Windows\sysmablsvr.exe
4⤵
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:2396

C:\Users\Admin\AppData\Local\Temp\2317112385.exe
C:\Users\Admin\AppData\Local\Temp\2317112385.exe
5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Admin\AppData\Local\Temp\2765815516.exe
C:\Users\Admin\AppData\Local\Temp\2765815516.exe
6⤵
- Executes dropped EXE
PID:1620

C:\Users\Admin\AppData\Local\Temp\315813613.exe
C:\Users\Admin\AppData\Local\Temp\315813613.exe
5⤵
- Executes dropped EXE
PID:2312

C:\Users\Admin\AppData\Local\Temp\761811828.exe
C:\Users\Admin\AppData\Local\Temp\761811828.exe
5⤵
- Executes dropped EXE
PID:1756

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\19C8.exe
Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
\Users\Admin\AppData\Local\Temp\2317112385.exe
Filesize
10KB

MD5
62a359fc04086f9293ce70140e9b72cc

SHA1
125c91a4b5248316ed7a262acf936b8b4ab54a9f

SHA256
6868e06c295e6335cf8a8d6c5cd56a1e9d9ecc4202b2fed9af2477b1d3f441ad

SHA512
2241e3781cf099f2e36a9769602c71ccba1df0029e9b1949d0b35f529bf33b722f3db51739b6c720f7ff9e3d63e59de1815fff3753699bec7e9816eb5c3e6ac2

Download Submit
\Users\Admin\AppData\Local\Temp\2765815516.exe
Filesize
20KB

MD5
5d1f5a6f5f6ea2e560c75673556e10c2

SHA1
be03b3d220349f0fc856fd9548ab36cca2fea638

SHA256
ff070a8f81124812406aba43a43f2ab2a0f1ca58cdfbff65705c8d1b2fe557b0

SHA512
6cda9a5f0fec1e9d8afebc7d126c0ef1d4a2bf01822ee8bc494d060a1ccd9874056af0b812226c7cd895164c96bc9687c028ad6a5b4a5148fb86af2fd8af3121

Download Submit
\Users\Admin\AppData\Local\Temp\315813613.exe
Filesize
7KB

MD5
1f0abf08afc2cd737aae9a255c8f55e1

SHA1
537711117ca2f3a3c9e4f5bb8d9c2513d06d2cbf

SHA256
ed1a5a83999330c81f957917d6ca6bc9a64aa2825ca0023a31ffc02ba422a0a5

SHA512
e638eabe89a447b79488903e7a6fa208827e8f2c96a3a4910e33d6b65e75bb9c6a5ae81cbe909578fd933a8e69f8ba1d750857478432e82dfac03b8f04b09291

Download Submit
\Users\Admin\AppData\Local\Temp\334958321.exe
Filesize
88KB

MD5
4505daf4c08fc8e8e1380911e98588aa

SHA1
d990eb1b2ccbb71c878944be37923b1ebd17bc72

SHA256
a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40

SHA512
bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec

Download Submit
\Users\Admin\AppData\Local\Temp\761811828.exe
Filesize
10KB

MD5
6567b839ec69322ba1aa41b15fbd1e64

SHA1
0a2a0770afe094765a5eb88f6201847bf642bea9

SHA256
8a4b87ed94fc50767d0bc91291a8b8a436b941b273b29ab0d442ba1cc10b76fb

SHA512
2e4798244bf3891beea64ee0b0d106c6f47b7c7d6daf222af6192874dc0ef67491c82e93821c1ff9fbd25cf9ec50178e959adb466b210ff9754dd4e8387a30cf

Download Submit