Analysis
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max time kernel
148s -
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
08-11-2024 10:19
Static task
static1
Behavioral task
behavioral1
Sample
b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe
Resource
win10v2004-20241007-en
General
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Target
b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe
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Size
481KB
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MD5
cd4fb976303d7964b96cfb49aa6e4d25
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SHA1
e021711acd8c69f271a0672bf1792051ada41898
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SHA256
b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1
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SHA512
aad119413496b0b67014b2653065c8cd908c5662593884d42702f8d41d78c0ff5e371df9b841d9caeb7a9121683f5dfd3a98e051a5823c908ac3a2018d8650ea
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SSDEEP
6144:Kty+bnr+Wp0yN90QE7p5m7S+pXnvdR/TLPrMBGSrhuGDwQK2c8HX+dpudMQEWfz:rMryy90V7AS+pXvdRLGuBQa8EOMnWfz
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/0x0008000000023c7f-12.dat healer behavioral1/memory/3144-15-0x0000000000810000-0x000000000081A000-memory.dmp healer behavioral1/memory/4908-22-0x00000000022F0000-0x000000000230A000-memory.dmp healer behavioral1/memory/4908-24-0x00000000025D0000-0x00000000025E8000-memory.dmp healer behavioral1/memory/4908-30-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-32-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-52-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-51-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-48-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-46-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-45-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-42-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-40-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-39-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-36-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-34-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-28-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-26-0x00000000025D0000-0x00000000025E2000-memory.dmp healer behavioral1/memory/4908-25-0x00000000025D0000-0x00000000025E2000-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" dhh47hH.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dhh47hH.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eNY31Ag.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eNY31Ag.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eNY31Ag.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" eNY31Ag.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dhh47hH.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dhh47hH.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dhh47hH.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dhh47hH.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eNY31Ag.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" eNY31Ag.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/0x0007000000023c7d-57.dat family_redline behavioral1/memory/2432-59-0x00000000003F0000-0x0000000000422000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 2248 nyW32fJ04.exe 3144 dhh47hH.exe 4908 eNY31Ag.exe 2432 ftI78gT.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dhh47hH.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eNY31Ag.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eNY31Ag.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\\\"" b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.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\\\"" nyW32fJ04.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2960 4908 WerFault.exe 99 -
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 eNY31Ag.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ftI78gT.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nyW32fJ04.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3144 dhh47hH.exe 3144 dhh47hH.exe 4908 eNY31Ag.exe 4908 eNY31Ag.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3144 dhh47hH.exe Token: SeDebugPrivilege 4908 eNY31Ag.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3188 wrote to memory of 2248 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 83 PID 3188 wrote to memory of 2248 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 83 PID 3188 wrote to memory of 2248 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 83 PID 2248 wrote to memory of 3144 2248 nyW32fJ04.exe 84 PID 2248 wrote to memory of 3144 2248 nyW32fJ04.exe 84 PID 2248 wrote to memory of 4908 2248 nyW32fJ04.exe 99 PID 2248 wrote to memory of 4908 2248 nyW32fJ04.exe 99 PID 2248 wrote to memory of 4908 2248 nyW32fJ04.exe 99 PID 3188 wrote to memory of 2432 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 109 PID 3188 wrote to memory of 2432 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 109 PID 3188 wrote to memory of 2432 3188 b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe"C:\Users\Admin\AppData\Local\Temp\b45c81e4ae54157944c410b6bd432aeb7f32c471d06c4406757666473b6c70f1.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyW32fJ04.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nyW32fJ04.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhh47hH.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dhh47hH.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNY31Ag.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eNY31Ag.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:4908 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 10844⤵
- Program crash
PID:2960
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ftI78gT.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ftI78gT.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4908 -ip 49081⤵PID:3028
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
336KB
MD5f59d9d36e5102e63cb47577837bcddb3
SHA120797729846ef7c8789c5057454b3217a755293d
SHA256051d4dbd8cf71a506ba967a102b524f4db217ce3ff428a648c10d42029d5054e
SHA51232addf7de09547098453605e4321fbf73d92e13ac14f971ee9f79f4ffbd0e35cc7d315574ea6f2938140486f92fb8d87cd3d8ecbed1e0d83601cfdd67e9f6039
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
245KB
MD5bbcaab6d431de6d63e20ec7a085b0526
SHA1e5bb15ef7458b516b37602649498b3d13c4df67d
SHA256e0bd77d953de9c400b8338ca69f2aeb4eadfae945c75081b3c61fcc23ede76ee
SHA5124f9ba138d9b458bb24907b2873a5eb0648858a60c0afac97c7b41adc2a3033d12037770b8d266ec8e2fb821dc8dcefc65c7150af534110e407a9cc672e317ac8