General
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Target
4d31fa46005684caab0ec87d8e72dca8.exe
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Size
1.1MB
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Sample
230222-dy66psbe21
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MD5
4d31fa46005684caab0ec87d8e72dca8
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SHA1
6227a9af6a91977a51fba8bbbd4f9c5f720efafd
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SHA256
847f2585cb584ae36ddf98de3cdc381dfb09eab5c7695bb8f86730c880d90ba0
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SHA512
ac85feef30d2f59718e4e226ce7dc15153200035268811bb92c9493087cc92fef854c340c92c19926ea946f1d62d85f9e22cead2283758fdd7331c0303d24d5f
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SSDEEP
24576:+yLUhsFuStuJl0T96/7wraPwxFxsn/NPwZgfJ0roxVp+q:NLUhsftYlaasrhTx0NP4mNx
Static task
static1
Malware Config
Extracted
redline
85.31.44.66:17742
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auth_value
e9a89e5b72a729171b1655add99ee280
Extracted
redline
ronur
193.233.20.20:4134
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auth_value
f88f86755a528d4b25f6f3628c460965
Extracted
redline
funka
193.233.20.20:4134
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auth_value
cdb395608d7ec633dce3d2f0c7fb0741
Extracted
amadey
3.67
193.233.20.15/dF30Hn4m/index.php
Extracted
redline
kk1
176.113.115.17:4132
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auth_value
df169d3f7f631272f7c6bd9a1bb603c3
Extracted
amadey
3.66
62.204.41.88/9vdVVVjsw/index.php
Extracted
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
Extracted
redline
kk1n
176.113.115.17:4132
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auth_value
7cc0dba66fd38fdcaf3bf43899aeaf59
Targets
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Target
4d31fa46005684caab0ec87d8e72dca8.exe
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Size
1.1MB
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MD5
4d31fa46005684caab0ec87d8e72dca8
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SHA1
6227a9af6a91977a51fba8bbbd4f9c5f720efafd
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SHA256
847f2585cb584ae36ddf98de3cdc381dfb09eab5c7695bb8f86730c880d90ba0
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SHA512
ac85feef30d2f59718e4e226ce7dc15153200035268811bb92c9493087cc92fef854c340c92c19926ea946f1d62d85f9e22cead2283758fdd7331c0303d24d5f
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SSDEEP
24576:+yLUhsFuStuJl0T96/7wraPwxFxsn/NPwZgfJ0roxVp+q:NLUhsftYlaasrhTx0NP4mNx
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Detects PseudoManuscrypt 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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PseudoManuscrypt
PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.
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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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Enumerates VirtualBox registry keys
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Looks for VirtualBox Guest Additions in registry
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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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Executes dropped EXE
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Loads dropped DLL
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Uses the VBS compiler for execution
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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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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
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
2Install Root Certificate
1Modify Registry
4Scripting
1Virtualization/Sandbox Evasion
3