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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	systdus.exe

Phorphiex family
phorphiex

Phorphiex payload 6 IoCs

resource	yara_rule
behavioral2/memory/768-3-0x00000000022D0000-0x00000000022DE000-memory.dmp	family_phorphiex
behavioral2/memory/768-6-0x00000000022D0000-0x00000000022DE000-memory.dmp	family_phorphiex
behavioral2/memory/768-14-0x00000000022D0000-0x00000000022DE000-memory.dmp	family_phorphiex
behavioral2/memory/2064-15-0x0000000002110000-0x000000000211E000-memory.dmp	family_phorphiex
behavioral2/memory/2064-17-0x0000000002110000-0x000000000211E000-memory.dmp	family_phorphiex
behavioral2/memory/2064-19-0x0000000002110000-0x000000000211E000-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\AntiVirusOverride = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	systdus.exe

Executes dropped EXE 1 IoCs

pid	Process
2064	systdus.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"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesOverride = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AutoUpdateDisableNotify = "1"	systdus.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	systdus.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\\842117355\\systdus.exe"	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Driver = "C:\\Windows\\842117355\\systdus.exe"	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\842117355\systdus.exe	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
File opened for modification	C:\Windows\842117355\systdus.exe	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
File opened for modification	C:\Windows\842117355	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	systdus.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe
2064	systdus.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: SeDebugPrivilege	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: 35	2064	systdus.exe
Token: SeDebugPrivilege	2064	systdus.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
2064	systdus.exe
2064	systdus.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2064	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	96
PID 768 wrote to memory of 2064	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	96
PID 768 wrote to memory of 2064	768	c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe	96

C:\Users\Admin\AppData\Local\Temp\c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe
"C:\Users\Admin\AppData\Local\Temp\c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c.exe"
1⤵
- 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:768
- C:\Windows\842117355\systdus.exe
  C:\Windows\842117355\systdus.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:2064

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

C:\Windows\842117355\systdus.exe

Filesize
418KB

MD5
1eebeabf5b4935283397f951f731d5fe

SHA1
872cfd06ca73fc83dd8ec06a95083924ec9f3b44

SHA256
c4d21cbe1e393c2062477ac5be40397ebb3847b4499bba48bad9b619fce6883c

SHA512
f758ebbb58d5abc87bb0c86f35985aaf2dbd02a716854c97b8ee59827076b4d869a03a6ce5f7effbea4ff9b3bd31114d4718feb770cd980f09abc0c51454538e

Download Submit
memory/768-7-0x0000000000436000-0x000000000043E000-memory.dmp

Filesize
32KB

Download
memory/768-2-0x0000000000436000-0x000000000043E000-memory.dmp

Filesize
32KB

Download
memory/768-3-0x00000000022D0000-0x00000000022DE000-memory.dmp

Filesize
56KB

Download
memory/768-5-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/768-6-0x00000000022D0000-0x00000000022DE000-memory.dmp

Filesize
56KB

Download
memory/768-0-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/768-1-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/768-14-0x00000000022D0000-0x00000000022DE000-memory.dmp

Filesize
56KB

Download
memory/2064-13-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2064-15-0x0000000002110000-0x000000000211E000-memory.dmp

Filesize
56KB

Download
memory/2064-17-0x0000000002110000-0x000000000211E000-memory.dmp

Filesize
56KB

Download
memory/2064-18-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2064-19-0x0000000002110000-0x000000000211E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads