27f080459bf361c31327656fc4551e6af61b1e91c32d1e081b76b26c32da7345

Analysis

max time kernel
154s
max time network
39s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
22-10-2023 17:18

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General

Target

NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
Size

77KB
MD5

4a0b1c46bcc182d7a888f3c565115db0
SHA1

5c2ebcd84c358203cf2caaa83c151862eca22ee5
SHA256

27f080459bf361c31327656fc4551e6af61b1e91c32d1e081b76b26c32da7345
SHA512

3391dbe2697f213aabae3c74e2e49568cf99c336ccd4352f0d266f04bf0833dc022071719c36f0613c35488359c16c9fc29c2a2f10ac07f4fd53df7ca9be83d8
SSDEEP

1536:/aiqH1s+kCtrA2UMT0mTFibDKa1LsbuqFjo4:y1B31bdBob2QLsbuqFjo4

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.4a0b1c46bcc182d7a888f3c565115db0.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javah.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\DVDMaker.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSPPSVC.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\apt.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\ConvertInkStore.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX38AE.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX38EE.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javaw.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX39CE.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InputPersonalization.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX390E.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javah.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX398E.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX38CE.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\MSOXMLED.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javap.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javaw.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX388E.tmp	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.4a0b1c46bcc182d7a888f3c565115db0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2396

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
847KB

MD5
682322ccc6dd706dec0e2898dd73fd13

SHA1
21ab943dacce555b1f1a11be99ade11b53686832

SHA256
add037f1b936a8f53c607e57107bae545cf9802bf77c0d648d8cdaa48a1fc4eb

SHA512
c4d7c6bd3738ff80b8054cda0255c03fdbc93567cdb924024a21b6a794dc184f7b91ea5803cda61f4577cf67fc08bae478750fd1b0871798aef59b99e2645940

Download Submit
memory/2396-32-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-45-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-125-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-126-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-127-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-128-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-129-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-130-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-131-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-133-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-134-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-135-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2396-136-0x0000000000400000-0x0000000000416000-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