phorphiex | c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c

General

Target

c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Size

418KB
MD5

1eebeabf5b4935283397f951f731d5fe
SHA1

872cfd06ca73fc83dd8ec06a95083924ec9f3b44
SHA256

c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c
SHA512

f758ebbb58d5abc87bb0c86f35985aaf2dbd02a716854c97b8ee59827076b4d869a03a6ce5f7effbea4ff9b3bd31114d4718feb770cd980f09abc0c51454538e
SSDEEP

6144:Tyqx5ViWVR8hMdKBeZLGNf8Jmaun1fkCv1NKYQeGuDDZ/fpC7UEAsx5hA:+qxihMMBedJ9un1fkC3K3eGg1fM7Ms3u

Score

10^/10

phorphiex discovery evasion loader persistence trojan worm

Malware Config

Extracted

Family

phorphiex

C2

http://185.176.27.132/

http://urusurofhsorhfuuhr.su/

http://aeifaeifhutuhuhusr.su/

http://rzhsudhugugfugugsr.su/

http://bfagzzezgaegzgfair.su/

http://eaeuafhuaegfugeudr.su/

http://aeufuaehfiuehfuhfr.su/

http://daedagheauehfuuhfr.su/

http://aeoughaoheguaoehdr.su/

http://eguaheoghouughahsr.su/

http://huaeokaefoaeguaehr.su/

http://afaeigaifgsgrhhafr.su/

http://afaigaeigieufuifir.su/

http://geauhouefheuutiiir.su/

http://gaoheeuofhefefhutr.su/

http://gaouehaehfoaeajrsr.su/

http://gaohrhurhuhruhfsdr.su/

http://gaghpaheiafhjefijr.su/

http://gaoehuoaoefhuhfugr.su/

http://aegohaohuoruitiier.su/

Wallets

18bzpjFfo5JQ41GzzUNRMgcE7WwQwpqFrR

qzrlc85n7vu220yz2ev2vzdyanzpewfx4y9ntufhuz

XhEqUEiD1bLxA8mRePYqLSqzZfLXp1X74m

D6tmLUzcMLo6iMCjG8NCgTefkn5tw3L5Lm

0xab1b250d67d08bf73ac864ea57af8cf762a29649

LhGa2pRATCyusFbYRhJSoyXrx3om9Yxnca

t1ZaBJjdvxKaqTmNV2qjDVK3FtpLL73ZXcj

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

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

Phorphiex family
phorphiex

Phorphiex payload 6 IoCs

resource	yara_rule
behavioral1/memory/2360-3-0x0000000000620000-0x000000000062E000-memory.dmp	family_phorphiex
behavioral1/memory/2360-6-0x0000000000620000-0x000000000062E000-memory.dmp	family_phorphiex
behavioral1/memory/2360-17-0x0000000000620000-0x000000000062E000-memory.dmp	family_phorphiex
behavioral1/memory/1684-18-0x00000000003A0000-0x00000000003AE000-memory.dmp	family_phorphiex
behavioral1/memory/1684-20-0x00000000003A0000-0x00000000003AE000-memory.dmp	family_phorphiex
behavioral1/memory/1684-24-0x00000000003A0000-0x00000000003AE000-memory.dmp	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 6 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Executes dropped EXE 1 IoCs

pid	Process
1684	sysyyrl.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\154419462\\sysyyrl.exe"	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\154419462\\sysyyrl.exe"	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\154419462\sysyyrl.exe	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
File opened for modification	C:\Windows\154419462\sysyyrl.exe	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
File opened for modification	C:\Windows\154419462	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysyyrl.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe
1684	sysyyrl.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: SeDebugPrivilege	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: 35	1684	sysyyrl.exe
Token: SeDebugPrivilege	1684	sysyyrl.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
1684	sysyyrl.exe
1684	sysyyrl.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1684	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	31
PID 2360 wrote to memory of 1684	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	31
PID 2360 wrote to memory of 1684	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	31
PID 2360 wrote to memory of 1684	2360	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	31

C:\Users\Admin\AppData\Local\Temp\c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
"C:\Users\Admin\AppData\Local\Temp\c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\154419462\sysyyrl.exe
  C:\Windows\154419462\sysyyrl.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1684

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\154419462\sysyyrl.exe

Filesize
418KB

MD5
1eebeabf5b4935283397f951f731d5fe

SHA1
872cfd06ca73fc83dd8ec06a95083924ec9f3b44

SHA256
c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c

SHA512
f758ebbb58d5abc87bb0c86f35985aaf2dbd02a716854c97b8ee59827076b4d869a03a6ce5f7effbea4ff9b3bd31114d4718feb770cd980f09abc0c51454538e

Download Submit
memory/1684-24-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1684-21-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1684-20-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1684-18-0x00000000003A0000-0x00000000003AE000-memory.dmp

Filesize
56KB

Download
memory/1684-16-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2360-3-0x0000000000620000-0x000000000062E000-memory.dmp

Filesize
56KB

Download
memory/2360-6-0x0000000000620000-0x000000000062E000-memory.dmp

Filesize
56KB

Download
memory/2360-13-0x0000000001D00000-0x0000000001D70000-memory.dmp

Filesize
448KB

Download
memory/2360-7-0x0000000000436000-0x000000000043E000-memory.dmp

Filesize
32KB

Download
memory/2360-17-0x0000000000620000-0x000000000062E000-memory.dmp

Filesize
56KB

Download
memory/2360-5-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2360-0-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2360-2-0x0000000000436000-0x000000000043E000-memory.dmp

Filesize
32KB

Download
memory/2360-1-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads