a3d5010591e784537321b4dabfe36408d7352af50aa759803333981b658176b6

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 20:44

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General

Target

02c2146762b805412b64c90a4a822b90N.exe
Size

91KB
MD5

02c2146762b805412b64c90a4a822b90
SHA1

26ede40df8e4456a3e72b1bcde78f63a5987240e
SHA256

a3d5010591e784537321b4dabfe36408d7352af50aa759803333981b658176b6
SHA512

4cad647fd1f88dd551759dd5e1d6a9e680763f187e2e7d5eedeae9df2dd18d2f117cd4787f0c9af240bbea30512c0767ae127e9ffba00c796450c0d0e22d927a
SSDEEP

1536:5aiqH1s+kCtrA2UMT0mTFibDKa1xPHhkxy7wBXESs3Je:A1B31bdBob2QxPHeyMuSsM

Score

10^/10

discovery 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"	02c2146762b805412b64c90a4a822b90N.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ExtExport.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\dotnet.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\javac.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXAEB.tmp	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\createdump.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA8B.tmp	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ExtExport.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSE.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\MavInject32.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\LICLUA.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\OfficeC2RClient.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	02c2146762b805412b64c90a4a822b90N.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	02c2146762b805412b64c90a4a822b90N.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	02c2146762b805412b64c90a4a822b90N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02c2146762b805412b64c90a4a822b90N.exe

C:\Users\Admin\AppData\Local\Temp\02c2146762b805412b64c90a4a822b90N.exe
"C:\Users\Admin\AppData\Local\Temp\02c2146762b805412b64c90a4a822b90N.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3312

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
91KB

MD5
02c2146762b805412b64c90a4a822b90

SHA1
26ede40df8e4456a3e72b1bcde78f63a5987240e

SHA256
a3d5010591e784537321b4dabfe36408d7352af50aa759803333981b658176b6

SHA512
4cad647fd1f88dd551759dd5e1d6a9e680763f187e2e7d5eedeae9df2dd18d2f117cd4787f0c9af240bbea30512c0767ae127e9ffba00c796450c0d0e22d927a

Download Submit
memory/3312-24-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-101-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-102-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-103-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-104-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-105-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-106-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-107-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-108-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-109-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3312-110-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads