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Analysis
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max time kernel
145s -
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
10/11/2024, 10:47
Static task
static1
Behavioral task
behavioral1
Sample
3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe
Resource
win10v2004-20241007-en
General
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Target
3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe
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Size
470KB
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MD5
d0ea9bf585f1a9135fc20394676aa0fc
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SHA1
66c82249048585198bed2ea310a7c56e4eb8f26d
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SHA256
3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014
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SHA512
943e0da4bd18e4bda3f5b285d66d41d22581bccfc6f6f693ff60d80c23f08e1c2377eb9af0ba2cc63cc03b47abb6167c351607cc2de3a7d6ee5eaceb03e65310
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SSDEEP
6144:Kdy+bnr+Fp0yN90QEIKmwpiV39OzbzinfVzCQFsmDSStilhhEEHur9mwafuVVXJm:TMrly90i5wpix0uFnC4SSkQ9JVVXgY6
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/3048-19-0x00000000025B0000-0x00000000025CA000-memory.dmp healer behavioral1/memory/3048-21-0x0000000002880000-0x0000000002898000-memory.dmp healer behavioral1/memory/3048-41-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-49-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-47-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-45-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-39-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-43-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-37-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-35-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-33-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-29-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-27-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-25-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-23-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-31-0x0000000002880000-0x0000000002892000-memory.dmp healer behavioral1/memory/3048-22-0x0000000002880000-0x0000000002892000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bCd87ey.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/0x0007000000023ca1-57.dat family_redline behavioral1/memory/2136-59-0x0000000000A40000-0x0000000000A72000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 1800 nSd81fu.exe 3048 bCd87ey.exe 2136 djJ52ci.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bCd87ey.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bCd87ey.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\\\"" 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.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\\\"" nSd81fu.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4528 sc.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3340 3048 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 nSd81fu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bCd87ey.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language djJ52ci.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3048 bCd87ey.exe 3048 bCd87ey.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3048 bCd87ey.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3472 wrote to memory of 1800 3472 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe 83 PID 3472 wrote to memory of 1800 3472 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe 83 PID 3472 wrote to memory of 1800 3472 3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe 83 PID 1800 wrote to memory of 3048 1800 nSd81fu.exe 84 PID 1800 wrote to memory of 3048 1800 nSd81fu.exe 84 PID 1800 wrote to memory of 3048 1800 nSd81fu.exe 84 PID 1800 wrote to memory of 2136 1800 nSd81fu.exe 96 PID 1800 wrote to memory of 2136 1800 nSd81fu.exe 96 PID 1800 wrote to memory of 2136 1800 nSd81fu.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe"C:\Users\Admin\AppData\Local\Temp\3dc34e9881e6cbdb772351fb0c4efe793b21e8d2c2f2891c66a3fc154d664014.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nSd81fu.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bCd87ey.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3048 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 10844⤵
- Program crash
PID:3340
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\djJ52ci.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3048 -ip 30481⤵PID:1816
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4528
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
366KB
MD5b316c6d8c14d06e521cab5ae5a5b2a8d
SHA137dfffc0c539ea29118980fd9125ebaa8867613a
SHA2561c743d03de50881359e6754dbfc3e7dd94de13d06467ab404ef2c063ee9c92d8
SHA5120b45221807f82e17419fd64cf591276cedda4291fe08082c92987d48d534d333ccb868ff3999bddeac188935777bac5d52e7a61bbeed071aba24b16f2688fc99
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Filesize
220KB
MD5de42ca5e48e76be8fc7fd36752b6eb50
SHA1c594fea49882a1f0c4745c38de903c8f3e963acd
SHA2569be125a22fe4bbedcd63b46faf563f107bb54c1f6c894e45b4794c3e184aa0aa
SHA512b4dbe8b6ed6cf26a7225ef2a8af07629fdcc447920dd8bb5362cefdbbafe439ef92e5011c8c26716dba06646d161eca676470e484995173dd39dc42db454ff7b
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2