General
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Target
99AFD1005C22FBB949C0E539016B5BAF.exe
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Size
2.5MB
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Sample
210720-gsfjbj1f9s
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MD5
99afd1005c22fbb949c0e539016b5baf
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SHA1
508e4e158c930c7e9245d6f0519dd89c850bef0e
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SHA256
a65e8cca4d7424ebda6db2a1b8dc9ae880aaf05bfa841bf5644e761b9deda75a
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SHA512
977bbe7a79962b2ddafa837890877f028d26eb4ce52c0ba51cf849ff57a3d619d692de47631d27c953df095f442f31f46a18652e9c9bf8f74cc263b6e1b0afa6
Static task
static1
Behavioral task
behavioral1
Sample
99AFD1005C22FBB949C0E539016B5BAF.exe
Resource
win7v20210410
Malware Config
Extracted
vidar
39.6
933
https://sslamlssa1.tumblr.com/
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profile_id
933
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
redline
AniNEW
akedauiver.xyz:80
Extracted
vidar
39.6
903
https://sslamlssa1.tumblr.com/
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profile_id
903
Targets
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Target
99AFD1005C22FBB949C0E539016B5BAF.exe
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Size
2.5MB
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MD5
99afd1005c22fbb949c0e539016b5baf
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SHA1
508e4e158c930c7e9245d6f0519dd89c850bef0e
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SHA256
a65e8cca4d7424ebda6db2a1b8dc9ae880aaf05bfa841bf5644e761b9deda75a
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SHA512
977bbe7a79962b2ddafa837890877f028d26eb4ce52c0ba51cf849ff57a3d619d692de47631d27c953df095f442f31f46a18652e9c9bf8f74cc263b6e1b0afa6
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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 NtCreateProcessExOtherParentProcess
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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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Nirsoft
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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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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Loads dropped DLL
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Modifies file permissions
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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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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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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 Matrix ATT&CK v6
Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1File Permissions Modification
1Install Root Certificate
1