Resubmissions
11-11-2023 08:23
231111-j96bfacf5s 1008-11-2023 14:52
231108-r8x8facc5z 1027-10-2023 03:52
231027-ee6lhabh8x 1027-10-2023 03:51
231027-ee1p9abh8s 1025-10-2023 10:35
231025-mm3htagf6y 1023-10-2023 09:11
231023-k5l8fahc84 1021-10-2023 11:53
231021-n2kf8aga32 1021-10-2023 11:26
231021-njywwsfg64 1020-10-2023 21:27
231020-1a8qysbe9t 10General
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Target
a.exe
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Size
5KB
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Sample
231111-j96bfacf5s
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MD5
800a6337b0b38274efe64875d15f70c5
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SHA1
6b0858c5f9a2e2b5980aac05749e3d6664a60870
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SHA256
76a7490d3f1b0685f60a417d1c9cf96927b473825a914221f092f82ea112b571
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SHA512
bf337140044a4674d69f7a2db30389e248593a99826c8731bc0a5ac71e46819eb539d8c7cbeab48108310359f5604e02e3bd64f17d9fdd380b574f329543645e
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SSDEEP
48:6O/tGt28lK9iqmcfaFXfkeLJhyPFlWa8tYb/INV/cpwOulavTqXSfbNtm:j/IUiqtaJkeqDUt5xcpmsvNzNt
Static task
static1
Behavioral task
behavioral1
Sample
a.exe
Resource
win10v2004-20231023-en
Malware Config
Extracted
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
Protocol: smtp- Host:
mail.lubdub.com - Port:
587 - Username:
[email protected] - Password:
J-y!2e_fWMH_XP8F_008
Extracted
Protocol: smtp- Host:
mail.bretoffice.com - Port:
587 - Username:
[email protected] - Password:
OBah2m2U8LdU
Extracted
Protocol: smtp- Host:
smtp.cms-advisor.com - Port:
587 - Username:
[email protected] - Password:
ppb!qUV7
Extracted
Protocol: smtp- Host:
cp5ua.hyperhost.ua - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@#$
Extracted
C:\SYRWnZ0xS.README.txt
https://getsession.org
Targets
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Target
a.exe
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Size
5KB
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MD5
800a6337b0b38274efe64875d15f70c5
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SHA1
6b0858c5f9a2e2b5980aac05749e3d6664a60870
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SHA256
76a7490d3f1b0685f60a417d1c9cf96927b473825a914221f092f82ea112b571
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SHA512
bf337140044a4674d69f7a2db30389e248593a99826c8731bc0a5ac71e46819eb539d8c7cbeab48108310359f5604e02e3bd64f17d9fdd380b574f329543645e
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SSDEEP
48:6O/tGt28lK9iqmcfaFXfkeLJhyPFlWa8tYb/INV/cpwOulavTqXSfbNtm:j/IUiqtaJkeqDUt5xcpmsvNzNt
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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 Xworm Payload
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Detect ZGRat V1
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Renames multiple (670) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Modify Registry
2Scripting
1Virtualization/Sandbox Evasion
1