General
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Target
f721b4e5cdae494fceec605a3cffbf5824341258b43660cd1c9fe72c691a9594
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Size
118KB
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Sample
210925-bctblsabcm
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MD5
7041130b7052851e0753ec72d7e95f52
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SHA1
be6beef6c4608d8675b983183f5556ced9be0692
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SHA256
f721b4e5cdae494fceec605a3cffbf5824341258b43660cd1c9fe72c691a9594
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SHA512
cc331e9ca6e110bcb7981f661735b746db93f86eec6f72b25a044228eb58713649ab1027d9f34c87d689d8876fa5b0911fe7655f0018b79303d43cd5bcfb28ef
Static task
static1
Behavioral task
behavioral1
Sample
f721b4e5cdae494fceec605a3cffbf5824341258b43660cd1c9fe72c691a9594.exe
Resource
win10-en-20210920
Malware Config
Extracted
smokeloader
2020
http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
Extracted
redline
135.181.142.223:30397
Extracted
redline
700$
65.21.231.57:60751
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
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url4cnc
https://t.me/justoprostohello
Extracted
raccoon
d4d8e30c16491ca1c11f7aa675764335342faedf
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url4cnc
https://t.me/hcdrom1
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Targets
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Target
f721b4e5cdae494fceec605a3cffbf5824341258b43660cd1c9fe72c691a9594
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Size
118KB
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MD5
7041130b7052851e0753ec72d7e95f52
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SHA1
be6beef6c4608d8675b983183f5556ced9be0692
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SHA256
f721b4e5cdae494fceec605a3cffbf5824341258b43660cd1c9fe72c691a9594
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SHA512
cc331e9ca6e110bcb7981f661735b746db93f86eec6f72b25a044228eb58713649ab1027d9f34c87d689d8876fa5b0911fe7655f0018b79303d43cd5bcfb28ef
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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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ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies RDP port number used by Windows
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Modifies Windows Firewall
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Sets DLL path for service in the registry
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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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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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 v6
Persistence
Account Manipulation
1Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Disabling Security Tools
1Modify Registry
4Virtualization/Sandbox Evasion
1