Analysis
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max time kernel
138s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04/11/2024, 20:49
Static task
static1
Behavioral task
behavioral1
Sample
279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe
Resource
win10v2004-20241007-en
General
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Target
279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe
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Size
376KB
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MD5
a68d4e17fa6702d08b3a623f01838ef2
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SHA1
f3e14bb5b6cde3d40f06b0e027bad67f342a6055
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SHA256
279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382
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SHA512
fd5178f3b3c0a3ca8f809ce7d209c088daf1c648bf43eaff90b5631965d3da691509f317bae9d101a8815f63c2f3d60d0131cc1751a8a63e3f521be6128aa986
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SSDEEP
6144:Key+bnr+0p0yN90QE2sKge3NDeLjkPJpB/MirK3g4fgdm2iY+3wKKo5CfcC:6Mrcy90gXEL4pB/MlJui93wKKMUcC
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023ca8-12.dat healer behavioral1/memory/3000-15-0x0000000000A00000-0x0000000000A0A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection a4347909.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a4347909.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a4347909.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a4347909.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a4347909.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a4347909.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023ca9-19.dat family_redline behavioral1/memory/2160-21-0x0000000000D80000-0x0000000000DA8000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 4656 v7379746.exe 3000 a4347909.exe 2160 b1944804.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" a4347909.exe -
Adds Run key to start application 2 TTPs 2 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\\\"" 279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" v7379746.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language v7379746.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b1944804.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3000 a4347909.exe 3000 a4347909.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3000 a4347909.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1112 wrote to memory of 4656 1112 279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe 84 PID 1112 wrote to memory of 4656 1112 279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe 84 PID 1112 wrote to memory of 4656 1112 279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe 84 PID 4656 wrote to memory of 3000 4656 v7379746.exe 85 PID 4656 wrote to memory of 3000 4656 v7379746.exe 85 PID 4656 wrote to memory of 2160 4656 v7379746.exe 94 PID 4656 wrote to memory of 2160 4656 v7379746.exe 94 PID 4656 wrote to memory of 2160 4656 v7379746.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe"C:\Users\Admin\AppData\Local\Temp\279ff7cd2ef63e54796de0517a75d41cc014737b0dce9890bde418a0db4eb382.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7379746.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v7379746.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4347909.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a4347909.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3000
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1944804.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b1944804.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2160
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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
204KB
MD5b6a51f19826dd4c9ae370d375a13efc5
SHA1a546ca9a89da991d6c73f1df9bfdb7f0ae1cf7da
SHA2560c035ecbf5a3c843a88114c03c912b6e2fdfb437260cdaa18e4dfcdaa38a85fc
SHA512e8bd89b47baae4e42577b8fe796b9c8e2ce36e233f1b261439f55d581c6de0de147605ed686fad93d8e5ddb748da9f7b3510c52e4c2a6f3ea83a5d4ad6497532
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
136KB
MD5d36edae6cd076cc8c20a6f0e89bc92f0
SHA1530b76ae285a2e2d5003fea6065ddf7ad3d95400
SHA25624769d551c80ea75c02e9c569145c47f156c460951de1e89279aa29cbb328024
SHA512a1dd602ebf73bd29fd9adfbe01eaaa15d95b9cdbcd2cc2d717862142337a1940506d1151627c0be8947d691036c00cd9eb728a53744f329575946cc2ff61215c