phorphiex | 25b2db6412500a86c7a47ad4d88fe9d556cf677e50214355ddc0d34a620bbaf9

General

Target

5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe
Size

400KB
MD5

5820a8e57fa4d637879cb497a8888cc1
SHA1

069d0e2bb993df8d94bfae8d7932be4aa1926ce2
SHA256

25b2db6412500a86c7a47ad4d88fe9d556cf677e50214355ddc0d34a620bbaf9
SHA512

086bb7b98c8e948df20dbf70a5e01a24fa8a4490923fbd8e932d20e3272b76997b182f279be2e0929c2eb05fe5971e43b9619197f9bbed99b40251d672620c57
SSDEEP

768:GsNLIk+WHQYNqPH6aRdyXDjbBJ3+seF+4WOJ:kkDH+PH9dyzj7eF/

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.215.113.93/

http://gimmefile.top/

http://feedmefile.top/

http://gotsomefile.top/

http://185.215.113.66/

Wallets

15DBeUGFSQLbpYvWLJwzHUXSRrHNU9uQuS8c2wvFLZ7Nxz3N

1E5ZxnNUbbGQarWjMA7tCwp3Btm38GvRkv

3AcMV5pSUcxMmmcMbfSkJXRKbCrF3ysUDJ

bitcoincash:qqucl3fev20z4upudppa8p5hd6j3zzgyfuwae00pfr

XkcKjKZqNUkChwJXMj5uDjDns6etXvakir

D7MYki8urW3xq8sZJ8Q2v2ZrHxjzp7ACvb

0x76e4CB2fcf7f931Fd750e93F443536Ee068d1cdE

LfYFvpk2hccXw12tN3BBMWh7EcUBMbKoTG

rUQFcff9R1eKAwTtR1wbuQxmcoB236mz44

TEUaG7jyXdyrDS3JeEg1w1hotmmEMjx4TB

t1gTRxsrEXwky32j22jgFRZAafBzmCV2M2V

AT5Vm3ZrUg98s9kBue2g9YjnwK4kFKhQw3

bitcoincash:qqucl3fev20z4upudppa8p5hd6j3zzgyfuwae00pfr

44L2q3sPJ3DMJZiuSpHvehHMLbMXx3SAoVbLm5DWDw1A7PhUvcCPAGg5qAN98DWAUG7CuD4WmydP4JkewTz2aeVd4qhS822

GBLUYL3QTKP3NXVWCYNZ7ZH4CWFT6PVCXEYCNUNSHM34WKG2UL5EDQMV

bnb154sx9pdh8er33ujxlpfk3zwvlfp9rd5rskvvgc

bc1qn4r93am7rxxr4a5dwydhwx0p2kd4xfd7mz42f3

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Signatures

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

winblrsnrcs.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4" winblrsnrcs.exe

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

Phorphiex payload 2 IoCs

Processes:

resource	yara_rule
C:\274051334913836\spoolsv.exe	family_phorphiex
C:\Users\Admin\AppData\Local\Temp\1481638898.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

Windows security bypass 2 TTPs 18 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

spoolsv.exesylsplvc.exewinblrsnrcs.exe

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

Executes dropped EXE 6 IoCs

Processes:

spoolsv.exe1481638898.exesylsplvc.exe2277522949.exewinblrsnrcs.exe2363714522.exe

pid process

3972 spoolsv.exe
5092 1481638898.exe
388 sylsplvc.exe
3944 2277522949.exe
4068 winblrsnrcs.exe
3784 2363714522.exe

pid	process
3972	spoolsv.exe
5092	1481638898.exe
388	sylsplvc.exe
3944	2277522949.exe
4068	winblrsnrcs.exe
3784	2363714522.exe

Windows security modification 2 TTPs 21 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

spoolsv.exesylsplvc.exewinblrsnrcs.exe

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe1481638898.exe2277522949.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\274051334913836\\spoolsv.exe"	5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sylsplvc.exe"	1481638898.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winblrsnrcs.exe"	2277522949.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Host Process for Windows Services = "C:\\274051334913836\\spoolsv.exe"	5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

Processes:

1481638898.exe2277522949.exe

description	ioc	process
File created	C:\Windows\sylsplvc.exe	1481638898.exe
File opened for modification	C:\Windows\sylsplvc.exe	1481638898.exe
File created	C:\Windows\winblrsnrcs.exe	2277522949.exe
File opened for modification	C:\Windows\winblrsnrcs.exe	2277522949.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exespoolsv.exe1481638898.exesylsplvc.exe2277522949.exe

description	pid	process	target process
PID 5028 wrote to memory of 3972	5028	5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe	spoolsv.exe
PID 5028 wrote to memory of 3972	5028	5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe	spoolsv.exe
PID 5028 wrote to memory of 3972	5028	5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe	spoolsv.exe
PID 3972 wrote to memory of 5092	3972	spoolsv.exe	1481638898.exe
PID 3972 wrote to memory of 5092	3972	spoolsv.exe	1481638898.exe
PID 3972 wrote to memory of 5092	3972	spoolsv.exe	1481638898.exe
PID 5092 wrote to memory of 388	5092	1481638898.exe	sylsplvc.exe
PID 5092 wrote to memory of 388	5092	1481638898.exe	sylsplvc.exe
PID 5092 wrote to memory of 388	5092	1481638898.exe	sylsplvc.exe
PID 388 wrote to memory of 3944	388	sylsplvc.exe	2277522949.exe
PID 388 wrote to memory of 3944	388	sylsplvc.exe	2277522949.exe
PID 388 wrote to memory of 3944	388	sylsplvc.exe	2277522949.exe
PID 3944 wrote to memory of 4068	3944	2277522949.exe	winblrsnrcs.exe
PID 3944 wrote to memory of 4068	3944	2277522949.exe	winblrsnrcs.exe
PID 3944 wrote to memory of 4068	3944	2277522949.exe	winblrsnrcs.exe
PID 388 wrote to memory of 3784	388	sylsplvc.exe	2363714522.exe
PID 388 wrote to memory of 3784	388	sylsplvc.exe	2363714522.exe
PID 388 wrote to memory of 3784	388	sylsplvc.exe	2363714522.exe

C:\Users\Admin\AppData\Local\Temp\5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5820a8e57fa4d637879cb497a8888cc1_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5028
- C:\274051334913836\spoolsv.exe
  C:\274051334913836\spoolsv.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious use of WriteProcessMemory
  PID:3972
- - C:\Users\Admin\AppData\Local\Temp\1481638898.exe
    C:\Users\Admin\AppData\Local\Temp\1481638898.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:5092
  - - C:\Windows\sylsplvc.exe
      C:\Windows\sylsplvc.exe
      4⤵
      Windows security bypass
      Executes dropped EXE
      Windows security modification
      Suspicious use of WriteProcessMemory
      PID:388
    - - C:\Users\Admin\AppData\Local\Temp\2277522949.exe
        
        C:\Users\Admin\AppData\Local\Temp\2277522949.exe
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Windows directory
        Suspicious use of WriteProcessMemory
        
        PID:3944
      - C:\Windows\winblrsnrcs.exe
        
        C:\Windows\winblrsnrcs.exe
        6⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        
        PID:4068
    - - C:\Users\Admin\AppData\Local\Temp\2363714522.exe
        
        C:\Users\Admin\AppData\Local\Temp\2363714522.exe
        5⤵
        Executes dropped EXE
        
        PID:3784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\274051334913836\spoolsv.exe

Filesize
400KB

MD5
5820a8e57fa4d637879cb497a8888cc1

SHA1
069d0e2bb993df8d94bfae8d7932be4aa1926ce2

SHA256
25b2db6412500a86c7a47ad4d88fe9d556cf677e50214355ddc0d34a620bbaf9

SHA512
086bb7b98c8e948df20dbf70a5e01a24fa8a4490923fbd8e932d20e3272b76997b182f279be2e0929c2eb05fe5971e43b9619197f9bbed99b40251d672620c57

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\S5KAZR04\3[1]

Filesize
86KB

MD5
fe1e93f12cca3f7c0c897ef2084e1778

SHA1
fb588491ddad8b24ea555a6a2727e76cec1fade3

SHA256
2ebc4a92f4fdc27d4ab56e57058575a8b18adb076cbd30feea2ecdc8b7fcd41f

SHA512
36e0524c465187ae9ad207c724aee45bcd61cfd3fa66a79f9434d24fcbadc0a743834d5e808e6041f3bd88e75deb5afd34193574f005ed97e4b17c6b0388cb93

Download Submit
C:\Users\Admin\AppData\Local\Temp\1481638898.exe

Filesize
79KB

MD5
1e8a2ed2e3f35620fb6b8c2a782a57f3

SHA1
e924ce6d147ecc8b30b7c7cad02e5c9ae09a743a

SHA256
3f16f4550826076b2c8cd7b392ee649aeb06740328658a2d30c3d2002c6b7879

SHA512
ce4dc7fdd7f81a7a127d650f9175292b287b4803d815d74b64a4e5125cff66224d75e7ecade1d9c0e42f870bdb49a78e9613b1a49675ab5bc098611b99b49ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\2277522949.exe

Filesize
18KB

MD5
c53b73c89515e712a301a9d17e313900

SHA1
154b857b1ceec6938851e57baa0861b6a1fceb16

SHA256
6e24c56691c01a191e88f193966e04000fe5b83caa9b5adb4afebbd6cc717c68

SHA512
eeefbefd1c36f8493c58cda9dbfa9ae6580a7507fb99f1deb3f869348a7e92d702cdae50c4f035b31303717984b4282fa9777e92fdd1a0c70ec32f4e7063efc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\2363714522.exe

Filesize
10KB

MD5
9d3a5017e86fd5e182ca58c8293ffa3e

SHA1
242a24a7cda4f7c7a87c19c1ce036227b48f8235

SHA256
c339b1bf9947ba07e9203ebfdd6f41cf8414f4ef795d528c8f768eab0d136586

SHA512
009a35103362a59f83100425c702bf0072be3a3fa1afd508bc530f26a2b78f607ec70ffc4a2c929596943864b1a507a1ff4714bbfb4784d44d8dfa22084b710b

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads