b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 15:14

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General

Target

b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
Size

321KB
MD5

00bfc15b5527777f676022553d8a4fd6
SHA1

cf71f0be3d4f39df06a1e592354546e6fb0327b8
SHA256

b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf
SHA512

40b83b00d2277e349419900c4f4ddcb62b4193b8d2c3ccb1f529185ce22cc5286a8306b2c1a63b629d586333ebe2fbe3be685dfd90fce72d0118268595b00e0a
SSDEEP

6144:MTFvhumXZoYt+8wBGUErC36rFd8ya010nvhrTugoYtGg92Iv:GhuG+Tw06rFd8c10nUgoKdz

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\\B0486F~1.EXE,"	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\B0486F~1.EXE"	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.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\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\B0486F~1.EXE"	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\eda62f2 = "š\x06¤ëê(¸}ð9\x1a\f³~\b¥\x15ªÊ\x1e\x05ˆ\x01ò¤ÇÔœ\nQ»\x7fÒ•«7¨63ÿ\x19tq~\fX\x7fµÇ1\x16–q/>”\x1aªú}ûå¥J\x7f•îDúxW>”¿°„£c\x12šbUQš\u008fy[™ëHØÇ¾8pð\x12Ÿç7ÎÎ–k.Â\x12Î\fea6F>cÝÜéÉ÷Z&¼•Ë\x12\x12\a±Gž7\x15]6¼ˆ_>ZÂÞ®¾™åM<ÓwÜ•àéá‡F¾‡’¤¢_m«T\x1b—\x10\f)f\x0e]ó‘œ5ƒj]E‹h–O&…Â¡øD¢Tù<Ùv°\x12Çœö1í‚F\u009dm…ÞSøÍï\x7f’7&eý¾P?ŸÄ\u00a0ãwÉ\x0e#v±Ä¶xRý „Ëcÿ–6\ræaËfÆ¢\|’Æt„’•"	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
Token: SeSecurityPrivilege	756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
Token: SeSecurityPrivilege	756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
Token: SeSecurityPrivilege	756	b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe

C:\Users\Admin\AppData\Local\Temp\b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe
"C:\Users\Admin\AppData\Local\Temp\b0486f70c8a4d086617fe54a81f8c2ddecfc4c57311d8c1b9190397eccb6c9bf.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:756

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/756-54-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/756-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/756-56-0x0000000000400000-0x00000000005F2000-memory.dmp

Filesize
1.9MB

Download
memory/756-57-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/756-59-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-58-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-60-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-63-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-62-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-65-0x0000000002060000-0x0000000002112000-memory.dmp

Filesize
712KB

Download
memory/756-66-0x0000000002520000-0x00000000025D8000-memory.dmp

Filesize
736KB

Download
memory/756-67-0x0000000002520000-0x00000000025D8000-memory.dmp

Filesize
736KB

Download