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General
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Target
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd_JC.exe
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Size
1.7MB
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Sample
231005-wrje6sdf9v
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MD5
ec5882a22f3f9c7d8232f430ecf9f509
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SHA1
6a3052dd497fad95dbca08311a545b32758abeec
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SHA256
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd
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SHA512
2f718f2e72506bb714a35657d8e1264a4f49f5b6338c59d19640b09b43cd281ccf1de520934d73ee7429e0cca9e3f1d175cffcd1391bfe2be24a240005fcb78c
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SSDEEP
49152:mgC2EaNB6gqHl4ij9x6n6ZmXiMXfmz9Evy8GG:jC2Pwh4QxxeUz9hG
Static task
static1
Behavioral task
behavioral1
Sample
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
redline
frant
77.91.124.55:19071
Extracted
amadey
3.89
http://77.91.124.1/theme/index.php
http://77.91.68.78/help/index.php
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install_dir
fefffe8cea
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install_file
explothe.exe
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strings_key
36a96139c1118a354edf72b1080d4b2f
Targets
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Target
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd_JC.exe
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Size
1.7MB
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MD5
ec5882a22f3f9c7d8232f430ecf9f509
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SHA1
6a3052dd497fad95dbca08311a545b32758abeec
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SHA256
a3762fca4d5720a2a55b612b743ac65108b7cb910d434c28c5088aab974960dd
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SHA512
2f718f2e72506bb714a35657d8e1264a4f49f5b6338c59d19640b09b43cd281ccf1de520934d73ee7429e0cca9e3f1d175cffcd1391bfe2be24a240005fcb78c
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SSDEEP
49152:mgC2EaNB6gqHl4ij9x6n6ZmXiMXfmz9Evy8GG:jC2Pwh4QxxeUz9hG
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Detect Mystic stealer payload
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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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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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Adds Run key to start application
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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
1