phorphiex | 9875c102bbe89ad636096efca6b04d6b843529eb9717d822f7b0b42a087c7332

General

Target

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
Size

558KB
MD5

bb08689787fcb4bc029679acd1708177
SHA1

1196862efcda000b348ace3189191e36e700791b
SHA256

9875c102bbe89ad636096efca6b04d6b843529eb9717d822f7b0b42a087c7332
SHA512

15b5e7654ac67727b4d4942a21559858e056c6789685f7401ab19f0b8a043278ed5a0c13940f0903bebbc8c8d5afa86acd7cad72721c36a7a801bd19f142c46c
SSDEEP

12288:81M6LVFTIp5uFCGTlbmb6UXitm9eGFNK2g9:81DTIpqrY6yixGFvw

Score

10^/10

phorphiex evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/vnc/

http://urusurofhsorhfuuhm.su/vnc/

http://aeifaeifhutuhuhusm.su/vnc/

http://rzhsudhugugfugugsm.su/vnc/

http://bfagzzezgaegzgfaim.su/vnc/

http://eaeuafhuaegfugeudm.su/vnc/

http://aeufuaehfiuehfuhfm.su/vnc/

http://daedagheauehfuuhfm.su/vnc/

http://aeoughaoheguaoehdm.su/vnc/

http://eguaheoghouughahsm.su/vnc/

http://huaeokaefoaeguaehm.su/vnc/

http://afaeigaifgsgrhhafm.su/vnc/

http://afaigaeigieufuifim.su/vnc/

http://geauhouefheuutiiim.su/vnc/

http://gaoheeuofhefefhutm.su/vnc/

http://gaouehaehfoaeajrsm.su/vnc/

http://gaohrhurhuhruhfsdm.su/vnc/

http://gaghpaheiafhjefijm.su/vnc/

http://gaoehuoaoefhuhfugm.su/vnc/

http://aegohaohuoruitiiem.su/vnc/

Attributes

user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:67.0) Gecko/20100101 Firefox/67.0

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

sysegmi.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	sysegmi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	sysegmi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	sysegmi.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	sysegmi.exe

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 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysegmi.exe

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

Executes dropped EXE 1 IoCs

Processes:

sysegmi.exe

pid process

2600 sysegmi.exe
Loads dropped DLL 2 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

pid process

2128 bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128 bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

pid	process
2600	sysegmi.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysegmi.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\587211341\\sysegmi.exe"	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\587211341\\sysegmi.exe"	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\587211341\sysegmi.exe	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
File opened for modification	C:\Windows\587211341\sysegmi.exe	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
File opened for modification	C:\Windows\587211341	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exesysegmi.exe

pid	process
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe
2600	sysegmi.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exesysegmi.exe

description pid process

Token: SeDebugPrivilege 2128 bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
Token: SeDebugPrivilege 2600 sysegmi.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exesysegmi.exe

pid process

2128 bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
2600 sysegmi.exe

description	pid	process
Token: SeDebugPrivilege	2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
Token: SeDebugPrivilege	2600	sysegmi.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe

description	pid	process	target process
PID 2128 wrote to memory of 2600	2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe	sysegmi.exe
PID 2128 wrote to memory of 2600	2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe	sysegmi.exe
PID 2128 wrote to memory of 2600	2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe	sysegmi.exe
PID 2128 wrote to memory of 2600	2128	bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe	sysegmi.exe

C:\Users\Admin\AppData\Local\Temp\bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bb08689787fcb4bc029679acd1708177_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\587211341\sysegmi.exe
  C:\Windows\587211341\sysegmi.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2600

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

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\587211341\sysegmi.exe

Filesize
558KB

MD5
bb08689787fcb4bc029679acd1708177

SHA1
1196862efcda000b348ace3189191e36e700791b

SHA256
9875c102bbe89ad636096efca6b04d6b843529eb9717d822f7b0b42a087c7332

SHA512
15b5e7654ac67727b4d4942a21559858e056c6789685f7401ab19f0b8a043278ed5a0c13940f0903bebbc8c8d5afa86acd7cad72721c36a7a801bd19f142c46c

Download Submit
memory/2128-1-0x0000000000462000-0x000000000046B000-memory.dmp

Filesize
36KB

Download
memory/2128-0-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2128-3-0x0000000000270000-0x0000000000279000-memory.dmp

Filesize
36KB

Download
memory/2128-14-0x0000000000462000-0x000000000046B000-memory.dmp

Filesize
36KB

Download
memory/2600-12-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/2600-16-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads