General
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Target
file.exe
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Size
224KB
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Sample
221224-1dl2csaf63
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MD5
b14dca575e3ba081aadd6ebbeffb3db4
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SHA1
7e71f886666693dc7fd9e55630ea4704575eb761
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SHA256
edf890f4147fb3a1fa62d76e9600ff77abbee6e834add261f372ddcb9de449a3
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SHA512
37184fe2e59f9c557ec02bc980a4852cc70e9287a96e484169edc189bff718ae2b1752de7fbb7a8dcb22ff96137c05f7349c0c23ee7eaeb43575f7841bab1fba
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SSDEEP
3072:aDBbLfsQI0586TPamhBQWDX/e54HRXauDlFuwf/ln:sLfszdgamfQm/e5CRXaMPb
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
redline
mario23_10
167.235.252.160:10642
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auth_value
eca57cfb5172f71dc45986763bb98942
Extracted
djvu
http://ex3mall.com/lancer/get.php
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extension
.isza
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offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
amadey
3.61
62.204.41.79/U7vfDb3kg/index.php
Targets
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Target
file.exe
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Size
224KB
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MD5
b14dca575e3ba081aadd6ebbeffb3db4
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SHA1
7e71f886666693dc7fd9e55630ea4704575eb761
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SHA256
edf890f4147fb3a1fa62d76e9600ff77abbee6e834add261f372ddcb9de449a3
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SHA512
37184fe2e59f9c557ec02bc980a4852cc70e9287a96e484169edc189bff718ae2b1752de7fbb7a8dcb22ff96137c05f7349c0c23ee7eaeb43575f7841bab1fba
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SSDEEP
3072:aDBbLfsQI0586TPamhBQWDX/e54HRXauDlFuwf/ln:sLfszdgamfQm/e5CRXaMPb
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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 Amadey credential stealer module
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Detected Djvu ransomware
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Detects Smokeloader packer
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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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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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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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Modifies file permissions
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Accesses Microsoft Outlook accounts
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Accesses Microsoft Outlook profiles
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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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Suspicious use of SetThreadContext
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