Analysis
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max time kernel
118s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 02:05
Static task
static1
Behavioral task
behavioral1
Sample
d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe
Resource
win10v2004-20241007-en
General
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Target
d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe
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Size
391KB
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MD5
47ef3fb1934307186e106fe85b8afff3
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SHA1
68fa2ff2b477bae1b98a3bff4ac3dd7a11034b1d
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SHA256
c371f4de822150c66e7a1bca9856d622fd8520e1b91fc8527cae3001a0de6532
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SHA512
c51ca0ac50151df33fed8612009e4f2faabe2412f0bc4ae14a727ac939c1077dbf37ab5b63740b33f00428880c80d1436ffb38571e2f65e5d2d4570a9435fcb2
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SSDEEP
6144:Kty+bnr+jp0yN90QEcplgwSI8tYD1LjDXjqm7lA11Qh0:PMrzy90QSI8G9j5eQh0
Malware Config
Extracted
redline
rumfa
193.233.20.24:4123
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auth_value
749d02a6b4ef1fa2ad908e44ec2296dc
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b96-5.dat healer behavioral1/memory/2212-8-0x00000000003D0000-0x00000000003DA000-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\DisableBehaviorMonitoring = "1" sw51Gf51Tz75.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw51Gf51Tz75.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw51Gf51Tz75.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw51Gf51Tz75.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw51Gf51Tz75.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw51Gf51Tz75.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/372-18-0x0000000002760000-0x00000000027A6000-memory.dmp family_redline behavioral1/memory/372-20-0x0000000004CA0000-0x0000000004CE4000-memory.dmp family_redline behavioral1/memory/372-32-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-34-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-84-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-80-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-79-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-76-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-74-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-72-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-68-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-66-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-64-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-62-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-60-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-58-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-56-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-54-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-50-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-48-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-46-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-44-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-42-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-40-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-38-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-36-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-30-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-28-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-26-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-82-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-70-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-52-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-24-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-22-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline behavioral1/memory/372-21-0x0000000004CA0000-0x0000000004CDE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2212 sw51Gf51Tz75.exe 372 tzP99Er17.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw51Gf51Tz75.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\\\"" d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.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 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tzP99Er17.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2212 sw51Gf51Tz75.exe 2212 sw51Gf51Tz75.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2212 sw51Gf51Tz75.exe Token: SeDebugPrivilege 372 tzP99Er17.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2100 wrote to memory of 2212 2100 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe 83 PID 2100 wrote to memory of 2212 2100 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe 83 PID 2100 wrote to memory of 372 2100 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe 93 PID 2100 wrote to memory of 372 2100 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe 93 PID 2100 wrote to memory of 372 2100 d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe"C:\Users\Admin\AppData\Local\Temp\d1c87259d8611552bfcad0b0de13a0d3778b55948d70786cdc818f2b4e1da612N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw51Gf51Tz75.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw51Gf51Tz75.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2212
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tzP99Er17.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tzP99Er17.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:372
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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
Loading Replay Monitor...
Downloads
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Filesize
16KB
MD54ddbf8e9efa1e6d33397a3817ac794d6
SHA1bea9492f049d80d12b587d9af990e5328a966d21
SHA2566db689501b029fcd35af979ab8c7b958647df3c9728d07334b92fb5956803e77
SHA5121fbfdade572d37bb234a2cfffe5671f5b48aacb649bf0c25ffa1caa5542666c2ecb41fd60dd0a55de58927aacec3f07d375cccdd7247192030af4ad887ebc656
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Filesize
302KB
MD547edc698fb60063cef4e63ee2d5d05bc
SHA18f7bc644d7a378df490ab77d7b3b9b2a25a870fa
SHA2562561279e13e55b30c371c6d72c72bf9124697eec6395f1c1dfbbdd8ac3f5557f
SHA512b6c7b5288217bd01efe5ee9ec396dc7471240749a9f8998ddec34f7a2a073bfaa062e4a72986d0dcb73e283dc60e0cfcd0885a2e68014598e86277dd80082715