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Analysis
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max time kernel
126s -
max time network
147s -
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, 09:46
Static task
static1
Behavioral task
behavioral1
Sample
ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe
Resource
win10v2004-20241007-en
General
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Target
ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe
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Size
500KB
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MD5
8b642c3708b8cc7e4cd6005762b17260
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SHA1
9cca95543b49a8b2d9005d1549f60e289d274ebb
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SHA256
ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723
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SHA512
4b446551c547b371f488dcc1b568d292b4786c5831b357f12a38c361ea9f4cf392b06de27aa5b5938a9a4c1ba7cf9d95eb155865bfd0ef5eb9f682387f5c2641
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SSDEEP
12288:nMrTy90p+8/VseEi07qMhNKFDPoW/Ti1Cgr4Sk8Yn:0y1iVaPLcDAW/wl48Yn
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 19 IoCs
resource yara_rule behavioral1/files/0x0009000000023bbc-12.dat healer behavioral1/memory/2536-15-0x0000000000F70000-0x0000000000F7A000-memory.dmp healer behavioral1/memory/1992-22-0x00000000024C0000-0x00000000024DA000-memory.dmp healer behavioral1/memory/1992-24-0x00000000025D0000-0x00000000025E8000-memory.dmp healer behavioral1/memory/1992-26-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-28-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-34-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-52-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-50-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-48-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-47-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-44-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-42-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-40-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-38-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-37-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-32-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-30-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/1992-25-0x00000000025D0000-0x00000000025E2000-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" dru52Pb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dru52Pb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" edF83fI.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" edF83fI.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection edF83fI.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" edF83fI.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" edF83fI.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" edF83fI.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dru52Pb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dru52Pb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dru52Pb.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dru52Pb.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/0x000e000000023bb7-57.dat family_redline behavioral1/memory/4564-59-0x0000000000020000-0x0000000000052000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 4020 ntx53VI90.exe 2536 dru52Pb.exe 1992 edF83fI.exe 4564 fft42xa.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" edF83fI.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dru52Pb.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features edF83fI.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\\\"" ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.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\\\"" ntx53VI90.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4884 1992 WerFault.exe 101 -
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 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ntx53VI90.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language edF83fI.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fft42xa.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2536 dru52Pb.exe 2536 dru52Pb.exe 1992 edF83fI.exe 1992 edF83fI.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2536 dru52Pb.exe Token: SeDebugPrivilege 1992 edF83fI.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4540 wrote to memory of 4020 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 83 PID 4540 wrote to memory of 4020 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 83 PID 4540 wrote to memory of 4020 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 83 PID 4020 wrote to memory of 2536 4020 ntx53VI90.exe 84 PID 4020 wrote to memory of 2536 4020 ntx53VI90.exe 84 PID 4020 wrote to memory of 1992 4020 ntx53VI90.exe 101 PID 4020 wrote to memory of 1992 4020 ntx53VI90.exe 101 PID 4020 wrote to memory of 1992 4020 ntx53VI90.exe 101 PID 4540 wrote to memory of 4564 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 109 PID 4540 wrote to memory of 4564 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 109 PID 4540 wrote to memory of 4564 4540 ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe"C:\Users\Admin\AppData\Local\Temp\ef140f9597637874696612d670072c3bf87857c1d160bb1e12a7f85dae8d3723.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4540 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntx53VI90.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ntx53VI90.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4020 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dru52Pb.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dru52Pb.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2536
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edF83fI.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\edF83fI.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:1992 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 10844⤵
- Program crash
PID:4884
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fft42xa.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fft42xa.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1992 -ip 19921⤵PID:32
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
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
355KB
MD54275263d68fb6fb90862ef3a6d4aff24
SHA132dae5107110227930f44baba916480c5df12273
SHA25650b27f55d9f3204e621d123e07cdd64f182814cf030a169bbd2f7cd4950b57f3
SHA512d5e992ef8400d7c193220d0f019bc54858f2edcd58586b04eb6d81b75cc1d7241607d0b046573c6a8a8d488f53fbb77c41b9baac56f44de7679262044e8ee8ac
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
295KB
MD5dd0adf92524d842b17843e3a38769564
SHA14b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA5127fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2