General
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Target
423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110.exe
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Size
2.5MB
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Sample
210823-3bjarn54wa
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MD5
8eab7ae28abf2840a987f032d33c1792
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SHA1
f83a57c52aafc7bbf0efde077d5c3d41b1fe4cae
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SHA256
423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110
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SHA512
761b9ddf875aab51032edc0802cb87cdb71278caefb7ba6dc438301b8aabc147513e4dba31b5581f976933f07836172436a2fa903013c970ca794ff18eae1043
Static task
static1
Malware Config
Extracted
cryptbot
lysoip68.top
morwaf06.top
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payload_url
http://damliq08.top/download.php?file=lv.exe
Extracted
vidar
40
706
https://lenak513.tumblr.com/
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profile_id
706
Extracted
redline
test1
185.215.113.15:61506
Extracted
smokeloader
2020
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
Extracted
vidar
40.1
973
https://eduarroma.tumblr.com/
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profile_id
973
Targets
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Target
423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110.exe
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Size
2.5MB
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MD5
8eab7ae28abf2840a987f032d33c1792
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SHA1
f83a57c52aafc7bbf0efde077d5c3d41b1fe4cae
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SHA256
423563995910af04cb2c4136bf50607fc26977dfa043a84433e8bd64b3315110
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SHA512
761b9ddf875aab51032edc0802cb87cdb71278caefb7ba6dc438301b8aabc147513e4dba31b5581f976933f07836172436a2fa903013c970ca794ff18eae1043
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CryptBot Payload
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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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suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)
suricata: ET MALWARE Generic Password Stealer User Agent Detected (RookIE)
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suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
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suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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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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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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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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