351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5

Analysis

max time kernel
150s
max time network
157s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
02/12/2022, 00:14

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General

Target

351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
Size

321KB
MD5

11c331aa2a83af7358b86b747f7d6854
SHA1

e039a67b67851922e7bd4f40866756a78e96d95a
SHA256

351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5
SHA512

4002c79afd11f56e283a901ed3b35c258fa166ef91585dbab6bd71cca32553b447b646a5c9b59f8b0acd12bb57f75b4626c8b15acf8035f0f63c585bf174ff83
SSDEEP

6144:nTFvhumXZoYt+8wBGUErC36rFd8ya010nvhrTugoYtGg92Iv:lhuG+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\\351900~1.EXE,"	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.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\\351900~1.EXE"	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.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\b36ecf65 = "CÝ/ŽÜ'\x14ûV\u0081Œ\x19¢*´ëB²>+Ð\x1eÞÔ\x10\x13Ý“¸\x06‰&‚š\u0081\x0f\u00ad–\x0f\x1beé:¬5\x1eØ\x12ó\x1d¦ÔrW½UhÁÁŒÀ‹)ìÀ\x1eÛ\n©œ)\x7fMœKÝ\u008f\r›zævïLFMÓ’¢Ø¾VË5\x1ahƒ\"!¾ÛFzz\x02À"	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\351900~1.EXE"	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
Token: SeSecurityPrivilege	960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
Token: SeSecurityPrivilege	960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
Token: SeSecurityPrivilege	960	351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe

C:\Users\Admin\AppData\Local\Temp\351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe
"C:\Users\Admin\AppData\Local\Temp\351900b6967eb047808a1221ff8dfdc8aabb9572e5c770a65c8aa684488cdbd5.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:960

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/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/960-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/960-56-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-57-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-61-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-59-0x0000000000400000-0x00000000005F2000-memory.dmp

Filesize
1.9MB

Download
memory/960-58-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-62-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-64-0x0000000001F40000-0x0000000001FF2000-memory.dmp

Filesize
712KB

Download
memory/960-65-0x00000000026D0000-0x0000000002788000-memory.dmp

Filesize
736KB

Download
memory/960-66-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/960-67-0x00000000026D0000-0x0000000002788000-memory.dmp

Filesize
736KB

Download