4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a

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
01/12/2022, 05:35

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General

Target

4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
Size

256KB
MD5

63121f8095cdd23d3c3492cb98538ced
SHA1

f49531fa87aa309a7a98aae250106a555774fb04
SHA256

4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a
SHA512

49602e460866a205f819f5dbabe671c0ac7ef68de31bf14890abc3ad6b8dd528e4e929debead817f876a01f682ba238a052dc13185ac66f5c868fda3af8d298b
SSDEEP

6144:4mQ4cV6zoKpvSt4xudvE1SN2uo4VpFSCQVqicxYfPvV:7SszoK83dvkao2FiqicM

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\\4086FF~1.EXE,"	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.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\\4086FF~1.EXE"	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.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\3a4d8578 = "”ÕKùx‚½,ÈµëÉ‚h[H\x0fç\v(Óñý[\b\x14×L\|Œf£\|äc„÷¾è\u0090Î\tm÷\x1eˆm\x06õO\r\x1b0vae_Æ\x04J´‚Fs¹Ò\u0090õ\x04ž\x7f\x0f\asþ\x06\x04ž^jL–\x04Ãh\rüg\u00a0\x0f`!¨ÛDmÑ&ÑL>Mf84«"	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\4086FF~1.EXE"	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
Token: SeSecurityPrivilege	860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
Token: SeSecurityPrivilege	860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
Token: SeSecurityPrivilege	860	4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe

C:\Users\Admin\AppData\Local\Temp\4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe
"C:\Users\Admin\AppData\Local\Temp\4086ff66d01841ecb819f24a21c9ed51052e707358ef9b412d62c87c96ade39a.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:860

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/860-54-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/860-55-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/860-56-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/860-58-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-57-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-59-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-61-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-62-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-64-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/860-65-0x0000000002620000-0x00000000026D2000-memory.dmp

Filesize
712KB

Download
memory/860-66-0x00000000027E0000-0x0000000002898000-memory.dmp

Filesize
736KB

Download
memory/860-67-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/860-68-0x00000000027E0000-0x0000000002898000-memory.dmp

Filesize
736KB

Download