ebf00b4085d40901fa76f8ebaa4d0f4a171d5dabb816da27f5621ed11944554d

Analysis

max time kernel
147s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 11:54

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General

Target

a59e5080bc8db85569321aaa3d91a810_JC.exe
Size

5.9MB
MD5

a59e5080bc8db85569321aaa3d91a810
SHA1

9f5b8f027ec8b4a188236961f8e3b260f6748180
SHA256

ebf00b4085d40901fa76f8ebaa4d0f4a171d5dabb816da27f5621ed11944554d
SHA512

7f179c078cf3b74e208160e79908e6c16e12c530d2b8a3b789f8ca8acba8680df7abefd276965ca5c67fade3bedba6e10bd8bf96bcebf94187183631a950db0a
SSDEEP

98304:njj6l/ydwugGr8DwuwnUwMg6C7Vy3KrytzoqqA5e5UA6rO3XO07WsnYmKPCwD3Y5:jjM/MrwDwu4Mm7V2Kry3ZE6q3XTCsYNw

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"	a59e5080bc8db85569321aaa3d91a810_JC.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\mip.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\mip.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ExtExport.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSE.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX98B.tmp	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX9FC.tmp	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX9DC.tmp	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\LICLUA.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	a59e5080bc8db85569321aaa3d91a810_JC.exe

C:\Users\Admin\AppData\Local\Temp\a59e5080bc8db85569321aaa3d91a810_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a59e5080bc8db85569321aaa3d91a810_JC.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:3432

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\DC++ Share\javac.exe

Filesize
82KB

MD5
bf2b45c44c163235c51b55167501052a

SHA1
ef022b1ded3fb67730258f37bf257f06b80138a4

SHA256
1318d6d1b30d2268c33565e1d1d160e421d986ccff7a6807e4e910c4dbeeb27d

SHA512
7f9554bf9cdafebbb9b535a94dce0da985ba655b9a7a7fff78d55851e391e6308e824dee3acf0a23cc367298dad182fbfac76e695ac0aa431e69fa5a3f871b62

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

Filesize
6.0MB

MD5
5e3542cc23f41f8d9be321206534daac

SHA1
e75e0a7f5ce5efef3d84dd4facfaf470651f48e1

SHA256
03e5e89900891b8842a7dffabaeb54dcb4355691d7b8176ec2e3e798d4ad078e

SHA512
ea833b6ec6b7017df62e8bd7b1f310967732a735826ced0d1ac486d4764f7e5d1873635579dfe740da275d7ee1fdce4e9a6a4e2ade86d4d26dd62e4b52bd9cd8

Download Submit
memory/3432-30-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-27-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-103-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-104-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-105-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-106-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-107-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3432-108-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads