Analysis
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max time kernel
119s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 08:27
Static task
static1
Behavioral task
behavioral1
Sample
39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe
Resource
win10v2004-20241007-en
General
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Target
39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe
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Size
469KB
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MD5
adb66093056eea9b63db28f46ed2c9e0
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SHA1
261c58649197b96487fccbfc1b2938b41cc536b1
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SHA256
39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871
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SHA512
4e8a521196ace26c0e9f61badfd35d6e293c737a174d4c0a2aef1bf59b08bdff9ec072f5b3d6dee36921704d031c8a6c34691d387df2f2dd8f83d87e46ce35cb
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SSDEEP
6144:TMp0yN90QE2Y1yYaKz5p1GB7j6IjowqZwOxZz0skMR0uFGi6VHcwBxgwEBezXNeq:By90AvYaKzz0B6IjowqyT4FAL3EBcXd
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000c000000023b72-5.dat healer behavioral1/memory/3976-8-0x0000000000360000-0x000000000036A000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" az484857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" az484857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" az484857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" az484857.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection az484857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" az484857.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/4956-18-0x0000000002780000-0x00000000027BC000-memory.dmp family_redline behavioral1/memory/4956-20-0x0000000004E80000-0x0000000004EBA000-memory.dmp family_redline behavioral1/memory/4956-26-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-32-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-85-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-82-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-80-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-76-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-74-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-72-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-70-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-68-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-66-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-64-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-62-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-58-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-56-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-54-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-52-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-50-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-48-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-46-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-44-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-42-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-38-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-36-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-34-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-30-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-28-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-22-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-78-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-60-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-40-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-24-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline behavioral1/memory/4956-21-0x0000000004E80000-0x0000000004EB5000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3976 az484857.exe 4956 bu168935.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" az484857.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bu168935.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3976 az484857.exe 3976 az484857.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3976 az484857.exe Token: SeDebugPrivilege 4956 bu168935.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 700 wrote to memory of 3976 700 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe 83 PID 700 wrote to memory of 3976 700 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe 83 PID 700 wrote to memory of 4956 700 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe 95 PID 700 wrote to memory of 4956 700 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe 95 PID 700 wrote to memory of 4956 700 39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe"C:\Users\Admin\AppData\Local\Temp\39efe3e05a883c0e67e15a7aa932bdb38723dcbebed37937f9f69a7534f48871N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az484857.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\az484857.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3976
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu168935.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bu168935.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4956
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
485KB
MD5579e57363a71548a8b17a68897ead75a
SHA1a614b353fe8e40f051ab056ff316936423a52367
SHA25645e60096e7d0a35d8a9c0387f7b413ff0952431ae158913c98308b83d7460f31
SHA5126c0b5334ce8aa279096000b99f8cb019d53b277ae46a60b015b31d42c8a9b53c5a3654cce42e5f60506b06ca323295ea5cb2bdd4304da3f30b57adb1902cacbf