8ef652759cc5582fb956cd424e652dc60f3b962462b7da39c6c3e2076387610e

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2023 18:27

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General

Target

NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
Size

4.8MB
MD5

88d9c9b296c6588d3f3b5f34d49b8e70
SHA1

8346a25b013e70fb8302e09c14a555643f30c091
SHA256

8ef652759cc5582fb956cd424e652dc60f3b962462b7da39c6c3e2076387610e
SHA512

ca1feb818caf42ed93e62da8c6734e28eb642a8e6fca205b0220d6351599b808f57586d2c315a4230cf00b06b82bd598b63810b61ed65c1e9b926f04c284df02
SSDEEP

98304:5gr7LgD+LBUnbE4BsO4hjFHh7kfrkjxYgMDByuI8abBI4C1+j+EE0hDP:5gr7sDyyEZf7Htk4agMDBUBI4IJuP

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.88d9c9b296c6588d3f3b5f34d49b8e70.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\master_prefere.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OSE.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\IntegratedOffice.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\AppVShNotify.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\mip.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF57C.tmp	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\office2016setup.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\InputPersonalization.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\HideExpand.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF64B.tmp	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\ExtExport.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OfficeClickToRun.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF5AB.tmp	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSE.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\MavInject32.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InspectorOfficeGadget.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\xdccPrograms\appvcleaner.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.88d9c9b296c6588d3f3b5f34d49b8e70.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2532

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
4.9MB

MD5
99cc5b2ce49f3649a3c1e097fa005893

SHA1
cafa26c49ac514a4e1990953eb05cc8bd884b7b3

SHA256
831743935852f383d1258093fbf09b1f371f62d07bcce363b4bddcf09457f10e

SHA512
0c7b9b65bcbf435123844ca32c09f3d27cc458a1684495fcdc6b3299c1c5c517b07acd27c85261fa2ea1c833555339f6ed29199a71a417e3106e704d77d99a9a

Download Submit
memory/2532-110-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-111-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-27-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-1-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-109-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-113-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-114-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-115-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-116-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-117-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2532-118-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads