Analysis
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max time kernel
142s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-12-2024 23:55
Static task
static1
Behavioral task
behavioral1
Sample
8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe
Resource
win10v2004-20241007-en
General
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Target
8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe
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Size
309KB
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MD5
35fe46eccd981a495d1c2ec4e8e056a7
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SHA1
08549a9999578d4b343b643c0bd0416d8774c686
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SHA256
8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610
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SHA512
509f1ff9c165b4b61f7d61517b10e080ead8e18e6d796fe4a32a2ae562192543995fe5a17300ff6185227fb08987ef5a2ddbd9d419fa849d7df09b0e53821dc2
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SSDEEP
6144:Kay+bnr+wp0yN90QE15F5OYc1u31g4TByJwOmCOzTOcaXWEYejiHgbp:SMrMy90Jxc1u31TTEJTOzTOcavjaMp
Malware Config
Extracted
redline
mihan
217.196.96.101:4132
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auth_value
9a6a8fdae02ed7caa0a49a6ddc6d4520
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/2212-8-0x0000000002450000-0x000000000246A000-memory.dmp healer behavioral1/memory/2212-11-0x0000000004AC0000-0x0000000004AD8000-memory.dmp healer behavioral1/memory/2212-24-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-28-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-40-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-38-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-36-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-34-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-32-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-30-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-26-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-22-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-20-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-18-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-16-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-14-0x0000000004AC0000-0x0000000004AD2000-memory.dmp healer behavioral1/memory/2212-13-0x0000000004AC0000-0x0000000004AD2000-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 a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a1424280.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/0x0007000000023c84-47.dat family_redline behavioral1/memory/4040-49-0x0000000000260000-0x0000000000290000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2212 a1424280.exe 4040 b9801143.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features a1424280.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" a1424280.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\\\"" 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.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 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1424280.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b9801143.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2212 a1424280.exe 2212 a1424280.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2212 a1424280.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2848 wrote to memory of 2212 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 83 PID 2848 wrote to memory of 2212 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 83 PID 2848 wrote to memory of 2212 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 83 PID 2848 wrote to memory of 4040 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 85 PID 2848 wrote to memory of 4040 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 85 PID 2848 wrote to memory of 4040 2848 8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe"C:\Users\Admin\AppData\Local\Temp\8b5b7c1c7c8ddaa701ea7ab88a69d437bccec01f59ec3a0e106455848eedf610.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a1424280.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a1424280.exe2⤵
- 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:2212
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9801143.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b9801143.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4040
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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
180KB
MD53181fb7718044bdc65f6dc94538c3b69
SHA1b425fac751555bc8964d97a60ff008333b8e874d
SHA2561904c30cfe26b68efd3405950ec3854b793edaa8e45b2febbd83df6b59b7c575
SHA51264e74f72361e6a7667aff842c18c923d24e82c1549ec52d73edd5dc5b3b43d8900aac1c5316a809dcc28967287ea65985a574aaf7302ff64b51bd5e1ac1b7d24
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Filesize
168KB
MD51b279e31fb1310990a36077d52f94e3b
SHA1cb5ab27f1ef3482ab9c2a145390f2bd6e39929cc
SHA256475f0745a0a1c1daa20c503c669d3defe9b1190902ae63d9200dfa92d85199b9
SHA51257ca28e5d1ccd256de67c821800f175eb4884f3e69e7f62f42584aa085c510e139e7254cc1d533551109bbb3afe45595d159d4dc55fa0ffd29f9651e890bf136