General
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Target
8fdd6e5a048925c75f0187041cee6833ceb3f4f1d0ef34405016aa81da461908
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Size
1.8MB
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Sample
240602-jeng5sfa6t
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MD5
ac7237bfbd3e63efa1c29bf506a5833d
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SHA1
1d0160a085b8aa1383cba4e6c0b789014cf3cfe6
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SHA256
8fdd6e5a048925c75f0187041cee6833ceb3f4f1d0ef34405016aa81da461908
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SHA512
a3826b72be1815fbd782d9f6b20f732339d1540f378dd95c26e34b14cd60d57e9e613361b8c20da9f9fcead0c2ce84998eeb48ee3b5addc22b9374401a4c42eb
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SSDEEP
24576:Q+SDM3ZxtLyy1EGw1wKO6+O3Osp8ljtbfEbuMJpd2QLXWoRu7CeE2oK:fSDMpxj1I1NZkjRfWuMJu6cGg
Static task
static1
Behavioral task
behavioral1
Sample
8fdd6e5a048925c75f0187041cee6833ceb3f4f1d0ef34405016aa81da461908.exe
Resource
win7-20240508-en
Malware Config
Extracted
http://94.103.188.126/jerry/putty.zip
Extracted
amadey
4.21
49e482
http://147.45.47.70
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install_dir
1b29d73536
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install_file
axplont.exe
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strings_key
4d31dd1a190d9879c21fac6d87dc0043
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url_paths
/tr8nomy/index.php
Extracted
redline
newbild
185.215.113.67:40960
Extracted
asyncrat
AsyncRAT
Fresh
pepecasas123.net:4608
AsyncMutex_5952
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delay
3
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install
false
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install_folder
%AppData%
Targets
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Target
8fdd6e5a048925c75f0187041cee6833ceb3f4f1d0ef34405016aa81da461908
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Size
1.8MB
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MD5
ac7237bfbd3e63efa1c29bf506a5833d
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SHA1
1d0160a085b8aa1383cba4e6c0b789014cf3cfe6
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SHA256
8fdd6e5a048925c75f0187041cee6833ceb3f4f1d0ef34405016aa81da461908
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SHA512
a3826b72be1815fbd782d9f6b20f732339d1540f378dd95c26e34b14cd60d57e9e613361b8c20da9f9fcead0c2ce84998eeb48ee3b5addc22b9374401a4c42eb
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SSDEEP
24576:Q+SDM3ZxtLyy1EGw1wKO6+O3Osp8ljtbfEbuMJpd2QLXWoRu7CeE2oK:fSDMpxj1I1NZkjRfWuMJu6cGg
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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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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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
Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
5Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2