422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
19/10/2022, 23:03

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General

Target

422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
Size

248KB
MD5

91a294043f2a60fa0cd526327bf09e00
SHA1

d7443517a69a81e9e31ecef73393880609ee4801
SHA256

422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff
SHA512

1ae4877d6a43f06ef17f2dc30dadcd30e0c183a67be34b5aa75995d4d4a4e66329c07dc7eb8bc043486dcc6b8adba46e089e5a48ba3c2c75271eb593b6567dee
SSDEEP

6144:Dtb8TsWD2MVA8vn6N8jb38SbY4sTYUZuTrGt:DSTsWD2Mm8vb3XbYZ9ZMrGt

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\422ED0~1.EXE,"	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\422ED0~1.EXE"	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\6910635f = "0\u0081·{#\x13\x1bcoÚ'›I\x15ÚÃ»‹G÷Ìš¦NÜSê\x06œ\aã[\x03\u008f×üZÎ¦²JZ™ªswùQê~&\x17Ø‡È›6®\u00a0âbÜ•\x18+fx>D\u0090ó‡AïÀu“ÒŒ`!Ò3\b\x18ß5ãù„ÿŽ\x16Í??p>†\x16Fž“\vÃ¸«;\x06¨n>³Òë&\x1b\x02CŠƒ\x1b3®\x13Ó2SÆ~\x10\x01\x13\u0090ñž!\" Hû»á‘\x1bÞÀž°\x10s3È\b‹\u00a0Ë¹\x1eŠ¢s\x13ê–ŽzRƒ\x1b£¾ƒžÆ\x13\x0e\x11þ\x18\x19\u0090\x1e&«æ¨òë\x06Ú\x1b\x01{«CÉ«ªhs¾)\x01ªó3\x16ÞÛ;ËûŽ[C+«¡.a1\x1eÈ‹›¡á–³†\x10NŠnæÎ@9\x18+\x1bÞÃ\x1brð .S\x10\x13£#J\x1b\x0e«&û"	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\422ED0~1.EXE"	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
Token: SeSecurityPrivilege	1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
Token: SeSecurityPrivilege	1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
Token: SeSecurityPrivilege	1464	422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe

C:\Users\Admin\AppData\Local\Temp\422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe
"C:\Users\Admin\AppData\Local\Temp\422ed02db4e9b11e5a3a38553ca4e18e0e28253506aaebb3ab8735159e65e9ff.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1464

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1464-54-0x00000000758B1000-0x00000000758B3000-memory.dmp

Filesize
8KB

Download
memory/1464-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/1464-56-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1464-57-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-58-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-59-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-61-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-62-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-64-0x0000000000450000-0x0000000000502000-memory.dmp

Filesize
712KB

Download
memory/1464-65-0x0000000002110000-0x00000000021C8000-memory.dmp

Filesize
736KB

Download
memory/1464-66-0x0000000002110000-0x00000000021C8000-memory.dmp

Filesize
736KB

Download