Analysis
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max time kernel
142s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 19:17
Static task
static1
Behavioral task
behavioral1
Sample
b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe
Resource
win10v2004-20241007-en
General
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Target
b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe
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Size
690KB
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MD5
1379a055bcbe3a90dcfdfe6fc42f9aaa
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SHA1
1c2e6022d2c88741c094debd709ad58692136193
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SHA256
b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056
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SHA512
f5673301865e4450514218ae236462081197c88469845aab4ed2e20e73301cc3d217eecee4ada0f89cbc0b9c114a2822dea1ba41d506f16d126544b5bb68cf05
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SSDEEP
12288:hy90bBcaN71TTQi+SOpAyCPpkC81V1ut0NdC2gmJ7DC6jdR:hykqaNhAwIyST1pU2gc7bdR
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 18 IoCs
resource yara_rule behavioral1/memory/1124-19-0x0000000002390000-0x00000000023AA000-memory.dmp healer behavioral1/memory/1124-21-0x0000000002630000-0x0000000002648000-memory.dmp healer behavioral1/memory/1124-27-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-49-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-48-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-45-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-43-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-42-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-40-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-37-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-35-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-33-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-31-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-29-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-26-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-23-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-25-0x0000000002630000-0x0000000002643000-memory.dmp healer behavioral1/memory/1124-22-0x0000000002630000-0x0000000002643000-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 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 58076760.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/4588-60-0x0000000002650000-0x000000000268C000-memory.dmp family_redline behavioral1/memory/4588-61-0x0000000004A70000-0x0000000004AAA000-memory.dmp family_redline behavioral1/memory/4588-69-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-91-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-79-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-67-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-65-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-63-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-62-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-95-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-94-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-89-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-87-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-85-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-83-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-81-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-77-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-75-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-73-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline behavioral1/memory/4588-71-0x0000000004A70000-0x0000000004AA5000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 3584 un227161.exe 1124 58076760.exe 4588 rk331272.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 58076760.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 58076760.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\\\"" b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.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\\\"" un227161.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4136 1124 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 b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language un227161.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 58076760.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rk331272.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1124 58076760.exe 1124 58076760.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1124 58076760.exe Token: SeDebugPrivilege 4588 rk331272.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4828 wrote to memory of 3584 4828 b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe 83 PID 4828 wrote to memory of 3584 4828 b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe 83 PID 4828 wrote to memory of 3584 4828 b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe 83 PID 3584 wrote to memory of 1124 3584 un227161.exe 84 PID 3584 wrote to memory of 1124 3584 un227161.exe 84 PID 3584 wrote to memory of 1124 3584 un227161.exe 84 PID 3584 wrote to memory of 4588 3584 un227161.exe 96 PID 3584 wrote to memory of 4588 3584 un227161.exe 96 PID 3584 wrote to memory of 4588 3584 un227161.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe"C:\Users\Admin\AppData\Local\Temp\b137868f8c0f273aca3cd1065da73dd76f9e209638d44ecc54002bee74f40056.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un227161.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un227161.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3584 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\58076760.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\58076760.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:1124 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 10804⤵
- Program crash
PID:4136
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk331272.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\rk331272.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1124 -ip 11241⤵PID:3968
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
536KB
MD598b709c70c51e42a0974c9cb8a775f5f
SHA13f8fefc895f631938b30ef75d87b5e8a5ac75cdf
SHA2560f395a6a29e0c33ab4c1318af15c976c8613185ce7217e5c0bb88e4cd5587edc
SHA512077e76ec1d73f7edee6e4610420c1dfaeea7a10ced24e4e182173cd7e6190ee5eaf72e680b387f560bf328199124232a420d1e886211b0d97f9c6a2d1d2374f3
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Filesize
259KB
MD57f148a00e12edaef9a15d660c8109bd8
SHA12b206f44daee100e32df14ea1dc2d316747bd17c
SHA256b2ad7ebf3b6821ca21b620e70cf2b35a922a92e1e02647f6966bcd577ce5fdb2
SHA512c13ea7d048115a13f44e7c5a4b075eee6a011fa2bfbc84d668309d395472ede41e2e0a42884947581987fdf56c253bfc2e4f351e325ade9a8e34eab1208bd0b1
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Filesize
341KB
MD57457dc6742a2a3c2bffe967b628499f3
SHA10c3b6deb84476b28c0cdd54e61dc2f3d9778e642
SHA25605ca104e0ebf1cbb1021e183521cf90f95435974596c24bbb2d182b446457728
SHA5122198761294eaad84ec8259aecce4d6985e393181eb91d9b6cb531ec83142bd689ed42d49b3cd135128f5b40dabb89400f3375a4f25fd40e7cbef088fcd89e519