b4f56cf289c624e0ab4d1731e4ab778fd675fffb1608ae38056f5dce97186c0c

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
07-10-2023 10:55

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General

Target

NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
Size

891KB
MD5

9356e79f1ca8b57c5f92f176c8c7fdbd
SHA1

667fc8b3bc588bb52403de64f43e1bb892ff95f7
SHA256

b4f56cf289c624e0ab4d1731e4ab778fd675fffb1608ae38056f5dce97186c0c
SHA512

25e32955247a647754ff74fa99974eb81bf6d188acb67470c6965174e9c26b2f24c41d73332780a24a0be4c9748e0dbecc8c8637a56ae7ed7fdfe77f26108289
SSDEEP

24576:Z1bQ4pSK1WxuOB5mr4ryALEJEZ/YGIpDvzh1OBC05Fks:ZhpSlhBkr4rywEJEZjIZrh1eT

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.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\apt.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\DVDMaker.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ielowutil.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\apt.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javaws.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\OSPPSVC.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA2D8.tmp	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\mip.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InputPersonalization.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA279.tmp	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA2B8.tmp	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javap.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA258.tmp	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jarsigner.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javaw.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\ConvertInkStore.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\DVDMaker.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\setup.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javac.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javap.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InputPersonalization.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ShapeCollector.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\MSOXMLED.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javah.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javah.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCXA18D.tmp	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javaw.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSPPSVC.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.9356e79f1ca8b57c5f92f176c8c7fdbd_JC.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:3012

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\RCXA279.tmp

Filesize
61KB

MD5
cb2b9a8ea0f5ac58e3b1ff5d21a6092a

SHA1
ac01980900d7f76c1f02c0fc010dfc2b76e7f6c7

SHA256
6331d18b028f8ac60b9b333156855fa627344a3c649b71f7c733841f711ee7e8

SHA512
214847ffe1da22ddcb635b583d0dcdf1f77ca66cbd1f6f356feba879cbc7894067b0af776a101349f8d9a405333aeae06a8d33cd1b5249412989494318c77f2a

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

Filesize
907KB

MD5
c14c73f12c204772e3c7cfe885f9cb93

SHA1
4b25eed1b495a07ac0fe874517216ad35dd14276

SHA256
e8c5c7e2ade4defeb9bfc55b622c3c02a73985d5b539161685cf3f2c46839905

SHA512
99b2ea27caeb21a2ac2490d59101c08b4b878cc37bcb1dbae440a9af8d73a93f6a0667874f64b0ea1977bf4f20985f9d8b08602ca0efa84b2f8dbd071b3b2c8e

Download Submit
memory/3012-113-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-114-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-109-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-110-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-111-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-112-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-52-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-108-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-115-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-116-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-117-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-118-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-119-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3012-120-0x0000000000400000-0x0000000000416000-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