ab4cb361575eabbe500b1075a732280a6a43e55ae023d0152cc1c595c40d37e6

Analysis

max time kernel
154s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 14:25

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General

Target

NEAS.fd27bedb3859a30bce806852daa55f40.exe
Size

3.4MB
MD5

fd27bedb3859a30bce806852daa55f40
SHA1

172d7a1d9d5ab7f2c3b0b23099818dc82f6c1300
SHA256

ab4cb361575eabbe500b1075a732280a6a43e55ae023d0152cc1c595c40d37e6
SHA512

f795a3af0f5d746eda6b5a61d1f9fad3b1fdde2b25388f8c4bae8d46bf305863b77bf74152863f5dd41c9b5d8c7cd2e9a13d78877a024da183af35af19bc87fc
SSDEEP

98304:5tTibykGPIVw12C2MkpuBaptbp02wAagbbw:5t+bykGPI612C2ugtt0bfgbU

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "Explorer.exe sIRC4.exe"	NEAS.fd27bedb3859a30bce806852daa55f40.exe

Drops file in System32 directory 17 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.fd27bedb3859a30bce806852daa55f40.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.fd27bedb3859a30bce806852daa55f40.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fd27bedb3859a30bce806852daa55f40.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\xdccPrograms\7zFM.exe

Filesize
3.4MB

MD5
fd27bedb3859a30bce806852daa55f40

SHA1
172d7a1d9d5ab7f2c3b0b23099818dc82f6c1300

SHA256
ab4cb361575eabbe500b1075a732280a6a43e55ae023d0152cc1c595c40d37e6

SHA512
f795a3af0f5d746eda6b5a61d1f9fad3b1fdde2b25388f8c4bae8d46bf305863b77bf74152863f5dd41c9b5d8c7cd2e9a13d78877a024da183af35af19bc87fc

Download Submit
memory/5072-9-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-27-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/5072-32-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads