f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9

General

Target

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
Size

4.9MB
MD5

db8a38379ad5247898089092cde44b15
SHA1

69cc18b0fffa49bbf447fc4efd7a0103493a7147
SHA256

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9
SHA512

b4499968c60413b022421393ed499d762d4b08d62cc8062a7ab9664d81f7357b22cf9557f69a423b68868a9556337695d7c9c760cea4e9deaaa8a08dad0432b7
SSDEEP

98304:LtrbTA1fxCJ3JpUn1mWturpGwGsq1ixQHP542VjFL05FmO:Rc1W5an1yrUKq1s65TVjt0mO

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

reg.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicrosoftWindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\PoseidonC\\WinUpdate.exe"	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

description	pid	process	target process
PID 472 set thread context of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXENETSTAT.EXE

pid process

668 NETSTAT.EXE
824 NETSTAT.EXE
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

2004 reg.exe

pid	process
668	NETSTAT.EXE
824	NETSTAT.EXE

pid	process
2004	reg.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

NETSTAT.EXEf59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	668	NETSTAT.EXE
Token: SeShutdownPrivilege	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
Token: SeDebugPrivilege	824	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

pid	process
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of SendNotifyMessage 7 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

pid	process
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exef59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.execmd.execmd.execmd.exe

description	pid	process	target process
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 472 wrote to memory of 780	472	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
PID 780 wrote to memory of 712	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 712	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 712	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 712	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 712 wrote to memory of 2004	712	cmd.exe	reg.exe
PID 712 wrote to memory of 2004	712	cmd.exe	reg.exe
PID 712 wrote to memory of 2004	712	cmd.exe	reg.exe
PID 712 wrote to memory of 2004	712	cmd.exe	reg.exe
PID 780 wrote to memory of 1888	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 1888	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 1888	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 1888	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 1888 wrote to memory of 668	1888	cmd.exe	NETSTAT.EXE
PID 1888 wrote to memory of 668	1888	cmd.exe	NETSTAT.EXE
PID 1888 wrote to memory of 668	1888	cmd.exe	NETSTAT.EXE
PID 1888 wrote to memory of 668	1888	cmd.exe	NETSTAT.EXE
PID 780 wrote to memory of 940	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 940	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 940	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 780 wrote to memory of 940	780	f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe	cmd.exe
PID 940 wrote to memory of 824	940	cmd.exe	NETSTAT.EXE
PID 940 wrote to memory of 824	940	cmd.exe	NETSTAT.EXE
PID 940 wrote to memory of 824	940	cmd.exe	NETSTAT.EXE
PID 940 wrote to memory of 824	940	cmd.exe	NETSTAT.EXE

C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
"C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:472

C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe
"C:\Users\Admin\AppData\Local\Temp\f59f85c31850ad4e7a2014ca0d49d59ab86e452a9e2ca8d1517bd5990a01d6d9.exe"
2⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:780

C:\Windows\SysWOW64\cmd.exe
cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
3⤵
- Suspicious use of WriteProcessMemory
PID:712

C:\Windows\SysWOW64\reg.exe
C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
4⤵
- UAC bypass
- Modifies registry key
PID:2004

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c netstat -n >"C:\Users\Admin\AppData\Roaming\PoseidonC\OB.sete"
3⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -n
4⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:668

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c netstat -n >"C:\Users\Admin\AppData\Roaming\PoseidonC\OB.sete"
3⤵
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -n
4⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:824

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1216

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\PoseidonC\OB.sete

Filesize
354B

MD5
bad5d1ce1510d3895e7a1676466511cd

SHA1
5651bf9f8a07feb769f8451dc2294130303cf30e

SHA256
cb9c021c3fb7c1e0552c03014c10ba7d0472890dbef87a7f3599cfa09d530b60

SHA512
9ab103f95cac8f984bf537b043df4c13a07b1e43a744d1f2aec7ee309b6dfdb0ec5c7693a54ef6c8eafe3fc49b1aeed545da4a9bb2425b253addd62479941ebb

Download Submit
C:\Users\Admin\AppData\Roaming\PoseidonC\OB.sete

Filesize
354B

MD5
bad5d1ce1510d3895e7a1676466511cd

SHA1
5651bf9f8a07feb769f8451dc2294130303cf30e

SHA256
cb9c021c3fb7c1e0552c03014c10ba7d0472890dbef87a7f3599cfa09d530b60

SHA512
9ab103f95cac8f984bf537b043df4c13a07b1e43a744d1f2aec7ee309b6dfdb0ec5c7693a54ef6c8eafe3fc49b1aeed545da4a9bb2425b253addd62479941ebb

Download Submit
memory/472-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/668-67-0x0000000000000000-mapping.dmp

Download
memory/712-64-0x0000000000000000-mapping.dmp

Download
memory/780-58-0x0000000000B560B0-mapping.dmp

Download
memory/780-62-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-63-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-59-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-61-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-57-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-55-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/780-73-0x00000000008C0000-0x0000000000D19000-memory.dmp

Filesize
4.3MB

Download
memory/824-71-0x0000000000000000-mapping.dmp

Download
memory/940-70-0x0000000000000000-mapping.dmp

Download
memory/1216-69-0x000007FEFC4B1000-0x000007FEFC4B3000-memory.dmp

Filesize
8KB

Download
memory/1888-66-0x0000000000000000-mapping.dmp

Download
memory/2004-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads