4114b07816556643bea1953ee9923c61614342971388f2c63ae104e91471d361

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 12:04

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General

Target

NEAS.62b8f97e157876087f43b5096a8bda00.exe
Size

103KB
MD5

62b8f97e157876087f43b5096a8bda00
SHA1

a011cce6121d09b085df5214b3bb68a32e82889d
SHA256

4114b07816556643bea1953ee9923c61614342971388f2c63ae104e91471d361
SHA512

b01f501c11aa2b4d399b923e9032128754d9168cb707c0589663013e14ea175dba73df401fc1ecc5e9dd2e30676e92786de65d3a0e4ce03fb4ffae323451d02a
SSDEEP

1536:4aiqH1s+kCtrA2UMT0mTFibDKa1Xohs60VHRxc17TJIbas6SebVurUMM8:51B31bdBob2QXowVHCqT6S6AUMM8

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.62b8f97e157876087f43b5096a8bda00.exe

Drops file in System32 directory 19 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.62b8f97e157876087f43b5096a8bda00.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.62b8f97e157876087f43b5096a8bda00.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.62b8f97e157876087f43b5096a8bda00.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:4172

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
103KB

MD5
62b8f97e157876087f43b5096a8bda00

SHA1
a011cce6121d09b085df5214b3bb68a32e82889d

SHA256
4114b07816556643bea1953ee9923c61614342971388f2c63ae104e91471d361

SHA512
b01f501c11aa2b4d399b923e9032128754d9168cb707c0589663013e14ea175dba73df401fc1ecc5e9dd2e30676e92786de65d3a0e4ce03fb4ffae323451d02a

Download Submit
memory/4172-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-1-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-27-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-28-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-29-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-32-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4172-33-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads