General
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Target
fatalerror.exe
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Size
19.9MB
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Sample
240108-vy3xqaecgj
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MD5
62df3bbc2aaeddab1942f1ed0b2db429
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SHA1
a31b35f778fa5bec3a09b215db38d891fa45510d
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SHA256
1d2822a34aa548e8e890e33b66cf6722e0bdb82944dae1b53feaf902790c5254
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SHA512
6ab2b5f72db8b6e386c142e330807bd2eec9983c04ab034c4011c053a5be0294514f06693c66a9f8b6bcc7b60d1646810f7c2cda4379b6cdbda2f9d5d047bfdd
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SSDEEP
393216:jDLmcuBUDiQv3FlGzbhweRo3W6aJZCN7TW/0k6CN1VWtES:jflGw3F6dwijJZCN2sA1Vc
Static task
static1
Behavioral task
behavioral1
Sample
fatalerror.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
fatalerror.exe
Resource
win10-20231215-en
Behavioral task
behavioral3
Sample
fatalerror.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
fatalerror.exe
Resource
win11-20231222-en
Malware Config
Extracted
xworm
5.0
TcK6iKFmjhETcMYi
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install_file
USB.exe
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pastebin_url
https://pastebin.com/raw/RqgnZ1zk
Extracted
xworm
tr1.localto.net:39186
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Install_directory
%ProgramData%
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install_file
Microsoft Storge.exe
Extracted
xtremerat
antonioxx.no-ip.org
Extracted
sality
http://89.119.67.154/testo5/
http://kukutrustnet777.info/home.gif
http://kukutrustnet888.info/home.gif
http://kukutrustnet987.info/home.gif
http://www.klkjwre9fqwieluoi.info/
http://kukutrustnet777888.info/
Extracted
C:\Users\Admin\Desktop\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Extracted
njrat
im523
gg
5.tcp.eu.ngrok.io:13017
8b094ade9743639b941a0474f6aa7525
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reg_key
8b094ade9743639b941a0474f6aa7525
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splitter
|'|'|
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
phorphiex
http://185.215.113.66/
0xAa3ea4838e8E3F6a1922c6B67E3cD6efD1ff175b
THRUoPK7oYqF7YyKZJvPYwTH35JsPZVPto
1Hw9tx4KyTq4oRoLVhPb4hjDJcLhEa4Tn6
qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
XtxFdsKkRN3oVDXtN2ipcHeNi87basT2sL
LXMNcn9D8FQKzGNLjdSyR9dEM8Rsh9NzyX
rwn7tb5KQjXEjH42GgdHWHec5PPhVgqhSH
ARML6g7zynrwUHJbFJCCzMPiysUFXYBGgQ
48jYpFT6bT8MTeph7VsyzCQeDsGHqdQNc2kUkRFJPzfRHHjarBvBtudPUtParMkDzZbYBrd3yntWBQcsnVBNeeMbN9EXifg
3PL7YCa4akNYzuScqQwiSbtTP9q9E9PLreC
3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3
D9AJWrbYsidS9rAU146ifLRu1fzX9oQYSH
t1gvVWHnjbGTsoWXEyoTFojc2GqEzBgvbEn
bnb1cgttf7t5hu7ud3c436ufhcmy59qnkd09adqczd
bc1q0fusmmgycnhsd5cadsuz2hk8d4maausjfjypqg
bitcoincash:qr89hag2967ef604ud3lw4pq8hmn69n46czwdnx3ut
GAUCC7ZBSU2KJMHXOZD6AP5LOBGKNDPCDNRYP2CO2ACR63YCSUBNT5QE
Extracted
C:\Users\Admin\Desktop\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Targets
-
-
Target
fatalerror.exe
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Size
19.9MB
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MD5
62df3bbc2aaeddab1942f1ed0b2db429
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SHA1
a31b35f778fa5bec3a09b215db38d891fa45510d
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SHA256
1d2822a34aa548e8e890e33b66cf6722e0bdb82944dae1b53feaf902790c5254
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SHA512
6ab2b5f72db8b6e386c142e330807bd2eec9983c04ab034c4011c053a5be0294514f06693c66a9f8b6bcc7b60d1646810f7c2cda4379b6cdbda2f9d5d047bfdd
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SSDEEP
393216:jDLmcuBUDiQv3FlGzbhweRo3W6aJZCN7TW/0k6CN1VWtES:jflGw3F6dwijJZCN2sA1Vc
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect XtremeRAT payload
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Detect Xworm Payload
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Detect ZGRat V1
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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Modifies firewall policy service
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Modifies visiblity of hidden/system files in Explorer
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XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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ModiLoader Second Stage
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Modifies Windows Firewall
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Drops desktop.ini file(s)
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Program crash
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
3Disable or Modify Tools
3Indicator Removal
2File Deletion
2Modify Registry
10Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1