db6fc755ec67fd45bb871eabe34af18ce3eac3ad7a5f47f3c00f38ccf9426e7b

Analysis

max time kernel
163s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2023, 11:51

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General

Target

NEAS.aa806a685c63b0af346eee1825f93340.exe
Size

109KB
MD5

aa806a685c63b0af346eee1825f93340
SHA1

f6cee52ba557e3a5b44a9bcd06bb8cd9cada627b
SHA256

db6fc755ec67fd45bb871eabe34af18ce3eac3ad7a5f47f3c00f38ccf9426e7b
SHA512

97d7221fe8ee5994b48044b93eafd641292b68d8134447254c14f898ba98a0ce65999ada2539d285309c2058d334430b86b6d585f153faf67af3261dc9a6efac
SSDEEP

3072:p1B31bdBob2QXotFERY4VhkMU4zrCoxeHr2:p731bdBaBozsdhzUQV2r2

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.aa806a685c63b0af346eee1825f93340.exe

Drops file in System32 directory 20 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.aa806a685c63b0af346eee1825f93340.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.aa806a685c63b0af346eee1825f93340.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.aa806a685c63b0af346eee1825f93340.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
458KB

MD5
f31a5fbd981598b78ddc675d295821de

SHA1
212010e712183750a4bae3359a59ba9bcbdaeb28

SHA256
6fa84ecc1b900c893169003ffc442cd85f25c608c0f41252000a0d2fd2b39bd3

SHA512
154b33b31167115d837eef652e445a2a9a2cb5428a8a6226ff05b5f04e694746032e4b8f8894db0a1ba69500ff7f3e768cdc03ac5c1b0b7c9c37e9c35cbb7971

Download Submit
memory/1924-19-0x0000000000400000-0x0000000000416000-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/1924-33-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads