caa45d67aac7c9ecc3ffa03c02196f8c9256af953d29b950eb15654814b04e6c

Analysis

max time kernel
150s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 19:11

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General

Target

b74a84c75c5e1884254d4b96b149490c_JC.exe
Size

568KB
MD5

b74a84c75c5e1884254d4b96b149490c
SHA1

0911036e5f878f434535edb3d57a5ba02c400804
SHA256

caa45d67aac7c9ecc3ffa03c02196f8c9256af953d29b950eb15654814b04e6c
SHA512

ba5f6763eddccb80dbc973b66fdff943fddce22ecc636b844ad45e5698b5567497c957520b467e29c8107f71bcc61f30258b28482a22b2dbf3c637740d0c8523
SSDEEP

12288:YY9qhYhYoIR7dp0s+x/+i9agoZ8WaIqCQLmZTbjjsJjYxwyv:B97hQRb0s+x+dNopmZDI+7

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"	b74a84c75c5e1884254d4b96b149490c_JC.exe

Drops file in System32 directory 64 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\DC++ Share\jar.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\ConvertInkStore.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\OSPPSVC.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\apt.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javap.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_pwa_launcher.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\setup.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome_proxy.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\jabswitch.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javac.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javah.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javah.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\master_prefere.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\ieinstal.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\master_prefere.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\7z.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\java-rmi.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javap.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\javaws.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\TabTip.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrmstp.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\idlj.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javac.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX63A6.tmp	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\java.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\FlickLearningWizard.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\msinfo32.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\iexplore.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX6364.tmp	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\idlj.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX63E5.tmp	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javaws.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\sIRC4.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\Uninstall.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\VSTOInstaller.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\sIRC4.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\iediagcmd.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javafxpackager.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\ConvertInkStore.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\setup.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\chrome.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\appletviewer.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\notification_helper.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\apt.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\extcheck.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\jar.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\DC++ Share\RCX6385.tmp	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javadoc.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\DC++ Share\javaw.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zFM.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File opened for modification	C:\Windows\SysWOW64\xdccPrograms\7zG.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe
File created	C:\Windows\SysWOW64\xdccPrograms\InkWatson.exe	b74a84c75c5e1884254d4b96b149490c_JC.exe

C:\Users\Admin\AppData\Local\Temp\b74a84c75c5e1884254d4b96b149490c_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b74a84c75c5e1884254d4b96b149490c_JC.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
PID:2036

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\xdccPrograms\7zG.exe

Filesize
603KB

MD5
620971e71df386e87785879a7a97c4ad

SHA1
ac28a2b0bb1fbd21dbfd3461f6f4ca865b70c47a

SHA256
0badbaec30ff40cba3c5ca44b660b32e8a381f13be92d6666dacf7b073ef25ef

SHA512
c293fa078805e39ce97ef0be5fa5fc002024aeae7cac5cec42fa53a71bf9c731f7487d73e75508c513fd6b8001502639200332b831fd8078503d93e86686fa09

Download Submit
memory/2036-110-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-113-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-35-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-39-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-40-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-108-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-109-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-2-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-111-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-112-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-114-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-115-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-116-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-117-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-118-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-119-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2036-120-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads