c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080

Analysis

max time kernel
148s
max time network
157s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 13:48

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General

Target

c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
Size

275KB
MD5

cb7ce36e9c32d0a97fd74dc496cc363a
SHA1

b85f962b692d4ac6f0067cf086374aba868e4e9f
SHA256

c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080
SHA512

0e3fa466e937e1dd5fa984075ba643b8e851db4ab4a55133a0a993ed451dead198882a50a063928a97dd3f61c74f665279728b1368ebd339150f1fc5b7258843
SSDEEP

6144:HHSuEhFDmIDWn8IDM4e4XkL+m526I01cGnrTAkClq51vzgPe1G:HHSuE/BDW8AM52j01KjSbgD

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\\C228B3~1.EXE,"	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C228B3~1.EXE"	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.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\8439cce = "\u00adoš\u0090dGòÁ\x16)¾üÔš\x11Ñ\u00a0Ò4Ü!\x13;êM\n€†K\u0090Gï+\x1fãÜ\x1b“ž÷R\u0081\bxE÷)q^–tÐy>C7ŒF.cAAüü‘B¸Ò\x11ã\x05°ii\x1exl(¼qd\x14Bínjg=\x0fÞ©\x10Q·Ä\x03Ïô˜)QSGî´\x1bc«Â¾¯¢¤™ƒ\u0090×¯½\x13òÕ \x16ýcBy½¢ˆhh^\x18ˆßL‘¯fM\x17óû±ýéU´Kh(\r<È‚«\"n6èCµ'<qªa\\G\nJ½Ø\x16CzVØCÙl\rcÆžc\x12\n#É¯\u0090ûÃ×\u009d¦G?XW\x1f½):‡\u008fƒ¹Ž\x1fåáp\rZDrÄš\|\\gù\\\x10J5ÏŒ—\\\tcq)\x03‘c’OW™\\qpófXzçø\x10J?\tÄ\|"	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\C228B3~1.EXE"	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
Token: SeSecurityPrivilege	1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
Token: SeSecurityPrivilege	1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
Token: SeSecurityPrivilege	1720	c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe

C:\Users\Admin\AppData\Local\Temp\c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe
"C:\Users\Admin\AppData\Local\Temp\c228b3ca37436f0e27b923966a1e9acda3acb52dd7a0dc34c29400c0badd6080.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1720

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/1720-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1720-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/1720-57-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-56-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-58-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-60-0x0000000000400000-0x00000000013C7000-memory.dmp

Filesize
15.8MB

Download
memory/1720-61-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-62-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-65-0x0000000003470000-0x0000000003528000-memory.dmp

Filesize
736KB

Download
memory/1720-64-0x0000000002F00000-0x0000000002FB2000-memory.dmp

Filesize
712KB

Download
memory/1720-66-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/1720-67-0x0000000003470000-0x0000000003528000-memory.dmp

Filesize
736KB

Download