General
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Target
dbc20b3308015d9595988cd92e5ba068.bin.zip
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Size
837KB
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Sample
231015-sg8qjaac84
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MD5
896178e9f1a6953d3dc399b3792a62ff
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SHA1
5017042d8f5dda0763007e9a65940cac07edf6d8
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SHA256
7c87fe66b4b70fbaebc2423e77cce2a76b81105d8263c8c974af69341cd6c228
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SHA512
99c1145a9d206303518b3431f9e26798168bcd04b5353a8fd69309d78a460a73bec9e6b51c14766bf516cefdb94d3f0465f3986bb611b59ec3c0a6067358cf42
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SSDEEP
12288:J+7kNk8rzPoV4XXDvZm7WoPX8blYss8ZhrOV/X5X5RIXbVetfMTI+ZlRKCjOYpX8:tacwPsblYsFZS/LRaItkTrvRKGVV8
Static task
static1
Behavioral task
behavioral1
Sample
dbc20b3308015d9595988cd92e5ba068.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
dbc20b3308015d9595988cd92e5ba068.exe
Resource
win10-20230915-en
Behavioral task
behavioral3
Sample
dbc20b3308015d9595988cd92e5ba068.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
breha
77.91.124.55:19071
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Extracted
redline
kukish
77.91.124.55:19071
Extracted
redline
pixelscloud2.0
85.209.176.128:80
Extracted
redline
@ytlogsbot
185.216.70.238:37515
Targets
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Target
dbc20b3308015d9595988cd92e5ba068.bin
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Size
882KB
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MD5
dbc20b3308015d9595988cd92e5ba068
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SHA1
0e0bba82dc667ea53ea4e9b7ccc52ad5fb334c8d
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SHA256
f0bdf776607582da4976e6c3724646bfeb7743f308a054a3d4903f3c66665533
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SHA512
68a86b6bb04befcec200df09d3ea28751c6fbe12b804d933e028056feb7a18c711a6af1092df7dfb941c5077c836d44fa0724794f74079222755e38d26cb7f11
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SSDEEP
24576:myLLP6sV3ji94yCLBTy02UxembqUaaY/y:1LbVzo4yCVTyRUxembNS
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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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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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SectopRAT payload
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Downloads MZ/PE file
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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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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Scripting
1