phorphiex | a3172e45bb1824fa625a04ff1d7e08617de13309ba9d31fb6b03ec9a921f345b

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2022 09:11

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General

Target

22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe
Size

75KB
MD5

ed2d7b25bb360cccb4f0f6a4f8732d7a
SHA1

6ffcc083956c5ac19826bdd87e12f87817ee837c
SHA256

22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092
SHA512

6592ec1a12f9575176474c6192d49f4f4a87998da6692e07e8ba6a93789d6a92e41dbabd3488a27a49ec8c8c414e02751867feb2a0038e4091630ca3e4fb235f
SSDEEP

1536:K3Mz8enofIxQrFP+ZrFugrZpVnWw7V15Frrmi:xweZQhGZ5ugDVnj7V15Fr

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/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

Processes:

winrecsv.exe

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

Executes dropped EXE 3 IoCs

Processes:

winrecsv.exe1534510428.exe489331092.exe

pid process

4364 winrecsv.exe
4344 1534510428.exe
1704 489331092.exe

pid	process
4364	winrecsv.exe
4344	1534510428.exe
1704	489331092.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

Processes:

1534510428.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	1534510428.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winrecsv.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\winrecsv.exe"	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe

Drops file in Windows directory 2 IoCs

Processes:

22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe

description	ioc	process
File created	C:\Windows\winrecsv.exe	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe
File opened for modification	C:\Windows\winrecsv.exe	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.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

Processes:

1534510428.exe

pid process

4344 1534510428.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1534510428.exe

description pid process

Token: SeDebugPrivilege 4344 1534510428.exe

pid	process
4344	1534510428.exe

description	pid	process
Token: SeDebugPrivilege	4344	1534510428.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exewinrecsv.exe1534510428.execmd.execmd.exe

description	pid	process	target process
PID 4308 wrote to memory of 4364	4308	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe	winrecsv.exe
PID 4308 wrote to memory of 4364	4308	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe	winrecsv.exe
PID 4308 wrote to memory of 4364	4308	22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe	winrecsv.exe
PID 4364 wrote to memory of 4344	4364	winrecsv.exe	1534510428.exe
PID 4364 wrote to memory of 4344	4364	winrecsv.exe	1534510428.exe
PID 4344 wrote to memory of 4044	4344	1534510428.exe	cmd.exe
PID 4344 wrote to memory of 4044	4344	1534510428.exe	cmd.exe
PID 4344 wrote to memory of 3700	4344	1534510428.exe	cmd.exe
PID 4344 wrote to memory of 3700	4344	1534510428.exe	cmd.exe
PID 4044 wrote to memory of 204	4044	cmd.exe	reg.exe
PID 4044 wrote to memory of 204	4044	cmd.exe	reg.exe
PID 3700 wrote to memory of 1288	3700	cmd.exe	schtasks.exe
PID 3700 wrote to memory of 1288	3700	cmd.exe	schtasks.exe
PID 4364 wrote to memory of 1704	4364	winrecsv.exe	489331092.exe
PID 4364 wrote to memory of 1704	4364	winrecsv.exe	489331092.exe
PID 4364 wrote to memory of 1704	4364	winrecsv.exe	489331092.exe

C:\Users\Admin\AppData\Local\Temp\22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe
"C:\Users\Admin\AppData\Local\Temp\22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4308

C:\Windows\winrecsv.exe
C:\Windows\winrecsv.exe
2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:4364

C:\Users\Admin\AppData\Local\Temp\1534510428.exe
C:\Users\Admin\AppData\Local\Temp\1534510428.exe
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344

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:4044

C:\Windows\system32\reg.exe
reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "User Configuration" /f
5⤵
PID:204

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "User Configuration"
4⤵
- Suspicious use of WriteProcessMemory
PID:3700

C:\Windows\system32\schtasks.exe
schtasks /delete /f /tn "User Configuration"
5⤵
PID:1288

C:\Users\Admin\AppData\Local\Temp\489331092.exe
C:\Users\Admin\AppData\Local\Temp\489331092.exe
3⤵
- Executes dropped EXE
PID:1704

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1534510428.exe
Filesize
8KB

MD5
66bbb99fb92a3688d31a899992f73cdf

SHA1
836fad08d9de8ea28c35d1885496af8e1284a6e7

SHA256
1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

SHA512
6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

Download Submit
C:\Users\Admin\AppData\Local\Temp\1534510428.exe
Filesize
8KB

MD5
66bbb99fb92a3688d31a899992f73cdf

SHA1
836fad08d9de8ea28c35d1885496af8e1284a6e7

SHA256
1d6be0622c56551a30c4bf5560050b226ff0f30dc2c05c5496e389efe51c62b6

SHA512
6a710765a53d68f1ab91b460dc16b59e273b1ddab43df01886d5ffd54d35c06f399038a6bb07b63d59933ed3c190d00ba9b59506cd0cd94fbb6ea0949d92ca36

Download Submit
C:\Users\Admin\AppData\Local\Temp\489331092.exe
Filesize
6KB

MD5
f99a026691957a1490c606890021a4db

SHA1
4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

SHA256
db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

SHA512
e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

Download Submit
C:\Users\Admin\AppData\Local\Temp\489331092.exe
Filesize
6KB

MD5
f99a026691957a1490c606890021a4db

SHA1
4eca65b16ce9b8284f3fc54344f8ae15b406b4e1

SHA256
db23276681cfb7d843bfc35b96e40dcb77b3bafcb87aa211d3fa6910da6937bd

SHA512
e4d9f869e4c12667a91af5792213350b9205a6fd3a2175e3af39571f2066ffa6a4b398a010497f428310b91033b4d5555835ede6669793f5cfd79ae47321421f

Download Submit
C:\Windows\winrecsv.exe
Filesize
75KB

MD5
ed2d7b25bb360cccb4f0f6a4f8732d7a

SHA1
6ffcc083956c5ac19826bdd87e12f87817ee837c

SHA256
22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092

SHA512
6592ec1a12f9575176474c6192d49f4f4a87998da6692e07e8ba6a93789d6a92e41dbabd3488a27a49ec8c8c414e02751867feb2a0038e4091630ca3e4fb235f

Download Submit
C:\Windows\winrecsv.exe
Filesize
75KB

MD5
ed2d7b25bb360cccb4f0f6a4f8732d7a

SHA1
6ffcc083956c5ac19826bdd87e12f87817ee837c

SHA256
22f524abc98f958705febd3761bedc85ec1ae859316a653b67c0c01327533092

SHA512
6592ec1a12f9575176474c6192d49f4f4a87998da6692e07e8ba6a93789d6a92e41dbabd3488a27a49ec8c8c414e02751867feb2a0038e4091630ca3e4fb235f

Download Submit
memory/204-141-0x0000000000000000-mapping.dmp

Download
memory/1288-142-0x0000000000000000-mapping.dmp

Download
memory/1704-145-0x0000000000000000-mapping.dmp

Download
memory/3700-140-0x0000000000000000-mapping.dmp

Download
memory/4044-139-0x0000000000000000-mapping.dmp

Download
memory/4344-143-0x00007FFC178F0000-0x00007FFC183B1000-memory.dmp

Filesize
10.8MB

Download
memory/4344-144-0x00007FFC178F0000-0x00007FFC183B1000-memory.dmp

Filesize
10.8MB

Download
memory/4344-138-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/4344-135-0x0000000000000000-mapping.dmp

Download
memory/4364-132-0x0000000000000000-mapping.dmp

Download