22ab4c87cd7c6aa7a8919558ea0da97c33815e4a755fb7639a360c8a49813856

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 07:33

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General

Target

NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
Size

1023KB
MD5

041cbfb39dcfb527d3651aecaea4bff0
SHA1

22169dc16a4880a61ea0ac4881a453ee0ad831c5
SHA256

22ab4c87cd7c6aa7a8919558ea0da97c33815e4a755fb7639a360c8a49813856
SHA512

9b66c6c24c42ffea8b10035f4743cd8b7263f012b30fa8c77ae00d9e5fe226335bb1228c12b4caa01d454722a898aca8a88579fda312650a19a5dfdbf4532186
SSDEEP

24576:91blW9sLBIvEWgGPVHL8ZZf3o6XXIuCGdXipeQggZj3H:9ytVg8HL8ZBpzopgUH

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.041cbfb39dcfb527d3651aecaea4bff0.exe

Drops file in System32 directory 18 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.041cbfb39dcfb527d3651aecaea4bff0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:1924

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

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Downloads

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

Filesize
1.0MB

MD5
c13d9700c8784fd204189a11e6095793

SHA1
d3f6533706d9ae2c0f98585a979e94faad7c3eff

SHA256
1fff0759c83ce69fc28e81d3b1df20c09e3cd856c7f40e523a4b070e9d5a0161

SHA512
5cb66ba17fdf0e47eca22c3d3cc7a7b6409e1b354bb6e837c17d4d363af7a72f8117c0deb32274a7a801f346b0e762dee9d99b95ef796276ce9f25e2914d818d

Download Submit
memory/1924-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-27-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1924-32-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads