abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e

Analysis

max time kernel
156s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 00:16

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General

Target

abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe
Size

32KB
MD5

906def8e112bc2e5b577afc5bdba9330
SHA1

d77f8b78c9c183c33ed6c389165e4dc561333412
SHA256

abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e
SHA512

1b95a87554b927f0c7034cdbab180249fb5734a3e85c2253c04e014df6b2693d4252595f76e808f35f2ea8b25f3a8c946e502a10ed844ab567e7f13938552265
SSDEEP

768:4ADe46xgBQOr2fc3r+A0o5nWJDBifYLsErpF:4ddxhOr2jA0LJIf3cpF

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\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe C:\\Windows/system32/SVCH0ST.EXE"	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Agent = "C:\\Windows\\System32\\SVCH0ST.exe"	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SVCH0ST.EXE	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe
File opened for modification	C:\Windows\SysWOW64\SVCH0ST.EXE	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe
1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1056	1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe	28
PID 1884 wrote to memory of 1056	1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe	28
PID 1884 wrote to memory of 1056	1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe	28
PID 1884 wrote to memory of 1056	1884	abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe	28

C:\Users\Admin\AppData\Local\Temp\abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe
"C:\Users\Admin\AppData\Local\Temp\abdd1a919533d8e63e30fcd3f79283233c6e8a248d2463d84778038fd13c0e9e.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\Explorer.exe
  C:\Windows\Explorer.exe
  2⤵
  PID:1056

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

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Downloads

memory/1056-57-0x000007FEFC101000-0x000007FEFC103000-memory.dmp

Filesize
8KB

Download
memory/1884-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1884-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads