General
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Target
31be2f115f41edc9983d957c33008b68.exe
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Size
1.8MB
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Sample
240328-xmvs3sdf7v
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MD5
31be2f115f41edc9983d957c33008b68
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SHA1
12a8ac48d6ca6917d872c1c96e5d277c4dd842b3
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SHA256
9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64
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SHA512
c7bb8e85167fc06cabc095a895d953c8e0a6a0eb21e23431c26a866f22e8266e989b1c273cda667836c90fce36c30ced59b46e2cce6d2d996bb2aa6ee6e41f90
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SSDEEP
49152:ynktmVBAjAVQLaStMDTBf0Qizoq+4Q9l80UAoxLs:k6OVupkBMQgXp
Static task
static1
Behavioral task
behavioral1
Sample
31be2f115f41edc9983d957c33008b68.exe
Resource
win7-20240221-en
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Extracted
redline
@OLEH_PSP
185.172.128.33:8970
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Extracted
redline
Jok123
185.215.113.67:26260
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Targets
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Target
31be2f115f41edc9983d957c33008b68.exe
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Size
1.8MB
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MD5
31be2f115f41edc9983d957c33008b68
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SHA1
12a8ac48d6ca6917d872c1c96e5d277c4dd842b3
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SHA256
9a1479bac1f3c4652a9b14798f3e5d2ec2cd4839ad40415d079619d21a812c64
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SHA512
c7bb8e85167fc06cabc095a895d953c8e0a6a0eb21e23431c26a866f22e8266e989b1c273cda667836c90fce36c30ced59b46e2cce6d2d996bb2aa6ee6e41f90
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SSDEEP
49152:ynktmVBAjAVQLaStMDTBf0Qizoq+4Q9l80UAoxLs:k6OVupkBMQgXp
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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 ZGRat V1
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Windows Firewall
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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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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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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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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
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1