phorphiex | a3172e45bb1824fa625a04ff1d7e08617de13309ba9d31fb6b03ec9a921f345b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2022, 09:11

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General

Target

c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe
Size

75KB
MD5

209baf40779b80d5e443c3dbbd656bfb
SHA1

b64fa8dded031d5dacac519a2035cefcd05e6503
SHA256

c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d
SHA512

9b4e3e82e141e569c85f22dd215f804b2f4e8969cda858662efca67532ba57d2e0acdbaa179524b4996be62f9acee3298eaf6cdfd03eff7e39e23bc7163c440e
SSDEEP

1536:E3Mz8Guoo90MXrtvWhzNmgrZBVnWw7V15FK9:fwGuPXpOh5mgrVnj7V15FK

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.84/twizt/

Wallets

12SJv5p8xUHeiKnXPCDaKCMpqvXj7TABT5BSxGt3csz9Beuc

1A6utf8R2zfLL7X31T5QRHdQyAx16BjdFD

3PFzu8Rw8aDNhDT6d5FMrZ3ckE4dEHzogfg

3BJS4zYwrnfcJMm4xLxRcsa69ght8n6QWz

qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

XgWbWpuyPGney7hcS9vZ7eNhkj7WcvGcj8

DPcSSyFAYLu4aEB4s1Yotb8ANwtx6bZEQG

0xb899fC445a1b61Cdd62266795193203aa72351fE

LRDpmP5wHZ82LZimzWDLHVqJPDSpkM1gZ7

r1eZ7W1fmUT9tiUZwK6rr3g6RNiE4QpU1

TBdEh7r35ywUD5omutc2kDTX7rXhnFkxy5

t1T7mBRBgTYPEL9RPPBnAVgcftiWUPBFWyy

AGUqhQzF52Qwbvun5wQSrpokPtCC4b9yiX

bitcoincash:qpzj59cm0dcyxy9597x927fx0wzu75nns5lsm2452k

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

GCVFMTUKNLFBGHE3AHRJH4IJDRZGWOJ6JD2FQTFQAAIQR64ALD7QJHUY

bnb1rcg9mnkzna2tw4u8ughyaj6ja8feyj87hss9ky

bc1qzs2hs5dvyx04h0erq4ea72sctcre2rcwadsq2v

Signatures

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

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wklopsvcs.exe

Executes dropped EXE 3 IoCs

pid	Process
1012	wklopsvcs.exe
2704	326623531.exe
1152	640611173.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	326623531.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	wklopsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	wklopsvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\wklopsvcs.exe"	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\wklopsvcs.exe	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe
File opened for modification	C:\Windows\wklopsvcs.exe	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2704	326623531.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	326623531.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 1012	2668	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe	86
PID 2668 wrote to memory of 1012	2668	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe	86
PID 2668 wrote to memory of 1012	2668	c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe	86
PID 1012 wrote to memory of 2704	1012	wklopsvcs.exe	90
PID 1012 wrote to memory of 2704	1012	wklopsvcs.exe	90
PID 2704 wrote to memory of 1512	2704	326623531.exe	91
PID 2704 wrote to memory of 1512	2704	326623531.exe	91
PID 2704 wrote to memory of 4328	2704	326623531.exe	93
PID 2704 wrote to memory of 4328	2704	326623531.exe	93
PID 1512 wrote to memory of 4824	1512	cmd.exe	95
PID 1512 wrote to memory of 4824	1512	cmd.exe	95
PID 4328 wrote to memory of 4548	4328	cmd.exe	96
PID 4328 wrote to memory of 4548	4328	cmd.exe	96
PID 1012 wrote to memory of 1152	1012	wklopsvcs.exe	97
PID 1012 wrote to memory of 1152	1012	wklopsvcs.exe	97
PID 1012 wrote to memory of 1152	1012	wklopsvcs.exe	97

C:\Users\Admin\AppData\Local\Temp\c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe
"C:\Users\Admin\AppData\Local\Temp\c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\wklopsvcs.exe
  C:\Windows\wklopsvcs.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Users\Admin\AppData\Local\Temp\326623531.exe
    C:\Users\Admin\AppData\Local\Temp\326623531.exe
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2704
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1512
    - - C:\Windows\system32\reg.exe
        
        reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
        5⤵
        
        PID:4824
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "User Configuration"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4328
    - - C:\Windows\system32\schtasks.exe
        
        schtasks /delete /f /tn "User Configuration"
        5⤵
        
        PID:4548
- - C:\Users\Admin\AppData\Local\Temp\640611173.exe
    C:\Users\Admin\AppData\Local\Temp\640611173.exe
    3⤵
    - Executes dropped EXE
    PID:1152

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\326623531.exe

Filesize
8KB

MD5
66bbb99fb92a3688d31a899992f73cdf

SHA1
836fad08d9de8ea28c35d1885496af8e1284a6e7

SHA256
1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

SHA512
6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

Download Submit
C:\Users\Admin\AppData\Local\Temp\326623531.exe

Filesize
8KB

MD5
66bbb99fb92a3688d31a899992f73cdf

SHA1
836fad08d9de8ea28c35d1885496af8e1284a6e7

SHA256
1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

SHA512
6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

Download Submit
C:\Users\Admin\AppData\Local\Temp\640611173.exe

Filesize
6KB

MD5
f99a026691957a1490c606890021a4db

SHA1
4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

SHA256
db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

SHA512
e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

Download Submit
C:\Users\Admin\AppData\Local\Temp\640611173.exe

Filesize
6KB

MD5
f99a026691957a1490c606890021a4db

SHA1
4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

SHA256
db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

SHA512
e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

Download Submit
C:\Windows\wklopsvcs.exe

Filesize
75KB

MD5
209baf40779b80d5e443c3dbbd656bfb

SHA1
b64fa8dded031d5dacac519a2035cefcd05e6503

SHA256
c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d

SHA512
9b4e3e82e141e569c85f22dd215f804b2f4e8969cda858662efca67532ba57d2e0acdbaa179524b4996be62f9acee3298eaf6cdfd03eff7e39e23bc7163c440e

Download Submit
C:\Windows\wklopsvcs.exe

Filesize
75KB

MD5
209baf40779b80d5e443c3dbbd656bfb

SHA1
b64fa8dded031d5dacac519a2035cefcd05e6503

SHA256
c86e66ff929bb7b66fa3a3dcbf12b2a39041ec1740cd5f748d4672bf06d6db5d

SHA512
9b4e3e82e141e569c85f22dd215f804b2f4e8969cda858662efca67532ba57d2e0acdbaa179524b4996be62f9acee3298eaf6cdfd03eff7e39e23bc7163c440e

Download Submit
memory/2704-144-0x00007FFCA9D60000-0x00007FFCAA821000-memory.dmp

Filesize
10.8MB

Download
memory/2704-143-0x00007FFCA9D60000-0x00007FFCAA821000-memory.dmp

Filesize
10.8MB

Download
memory/2704-138-0x0000000000C10000-0x0000000000C16000-memory.dmp

Filesize
24KB

Download