3ae1f67294378b1ed741854ef5f11c92b16030ef221006b05cb12d981ef876f4

Analysis

max time kernel
156s
max time network
130s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
03/11/2023, 09:09

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General

Target

NEAS.b827ac631accddba81789931e1bdc4d0.exe
Size

129KB
MD5

b827ac631accddba81789931e1bdc4d0
SHA1

b6ef2f351f390ada426d93faa7a2435e553fb69f
SHA256

3ae1f67294378b1ed741854ef5f11c92b16030ef221006b05cb12d981ef876f4
SHA512

8834d9fb2eaadab78938beddd6f8cd96217790b1d95ee336c336d6f6c1ff41d649c442454b2122f39c0f819567073c769f2fed602d5454a7436e4ada671e46c5
SSDEEP

1536:HaiqH1s+kCtrA2UMT0mTFibDKa1Aih+QB5gFjSBNpyE8Ju2m7BX:q1B31bdBob2QAi3B5ZBXyE8K7BX

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.b827ac631accddba81789931e1bdc4d0.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\DC++ Share\CompressRevoke.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\elevation_service.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\javap.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF02B.tmp	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InputPersonalization.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\mip.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSPPSVC.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\master_prefere.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\CompressRevoke.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF04B.tmp	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF08B.tmp	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InputPersonalization.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\master_prefere.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\apt.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF06B.tmp	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\ConvertInkStore.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\mip.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\MSOXMLED.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\DVDMaker.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXF0AC.tmp	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javap.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javah.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javaw.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\DC++ Share\apt.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File created	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.b827ac631accddba81789931e1bdc4d0.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.b827ac631accddba81789931e1bdc4d0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b827ac631accddba81789931e1bdc4d0.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2788

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\DC++ Share\RCXF00B.tmp

Filesize
95KB

MD5
aa42d8980e5750941eabf338ae6e1467

SHA1
f962ae910c33e68daff3064d5fe9f595744a0a63

SHA256
f79ed89e3d630aa09e105a98a66aff8532b2caf3cdc0c00346912ab88e5cf4f8

SHA512
6dbec3d3d91f267d3551ba50b9c193635e8200d8393f85512965399c5ac4ba04eb4b2f6ecd671977dab6193f2873435ca381acb696187dd353618f2055e0b5de

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

Filesize
847KB

MD5
73399ec1aa5147bcd187642bd981c307

SHA1
7a31a9b9eb83e923bc47c3d809a0d6b5063a4407

SHA256
edde740590925a2460de9747d128fb9bf44b9380b5781ca7a8d2f0e0d765f2ff

SHA512
fec6e49583d3600f451e56e1262d948a0ced609dd12a16ae2d6cd3d4a971e2a6685aa8906280cf33e146fbbd635f166c48fa4848fd61684a496acc8896c349f6

Download Submit
memory/2788-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2788-32-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads