aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411

Analysis

max time kernel
179s
max time network
200s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
03/12/2022, 15:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
Size

273KB
MD5

f99c62aec15927bc092e2f4da499e64c
SHA1

b282401cbe83884af38d2b46c458ef017dc4cf10
SHA256

aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411
SHA512

7509547e5194c86b73e18a8e6c14a3b2bcb55bd75bad9980d889f2c7788547fd17de71676ed9b0e506b87c5784f5fab8df04a6c65d29b3d364f0a5f3883c18d6
SSDEEP

6144:4sBFm+fWQX6VpYlaC0H2FLaOyaeYeflemO+r4RmdT3hl/FTYSkN1:brfWVWlngwLaFaZef1r4RYRl/Nj

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\\AAF3D2~1.EXE,"	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AAF3D2~1.EXE"	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.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\d2037 = "Gƒê¹8÷œz\x17ÇZŽWÑN“\be\x159ö\x1cFS85~Ý†F\x0eŽ5\x1cR\x1bÊ€]É+¾QàíîâÀË\x063l´ì¾1p}M¯š·£&‹¨m§sñ!çW/œ\u00adˆŠ5\x1d\x02\x16¶)^M\v“É[\u008dÈ"	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\AAF3D2~1.EXE"	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
Token: SeSecurityPrivilege	1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
Token: SeSecurityPrivilege	1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
Token: SeSecurityPrivilege	1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1096	aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe

C:\Users\Admin\AppData\Local\Temp\aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe
"C:\Users\Admin\AppData\Local\Temp\aaf3d201a5f6c6caa3cfc08ab8384976578e173d4c0f42bd39b5ea18909fa411.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:1096

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

Loading Replay Monitor...

Downloads

memory/1096-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1096-55-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1096-56-0x000000007EF40000-0x000000007EFA9000-memory.dmp

Filesize
420KB

Download
memory/1096-57-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1096-58-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-59-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-60-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-62-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-63-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-65-0x0000000001F00000-0x0000000001FB2000-memory.dmp

Filesize
712KB

Download
memory/1096-66-0x0000000002500000-0x00000000025B8000-memory.dmp

Filesize
736KB

Download
memory/1096-67-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1096-68-0x0000000002500000-0x00000000025B8000-memory.dmp

Filesize
736KB

Download