Analysis
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max time kernel
129s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 23:09
Static task
static1
Behavioral task
behavioral1
Sample
98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe
Resource
win10v2004-20241007-en
General
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Target
98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe
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Size
482KB
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MD5
955ace8bb6f5c03bf057b2e6dcd338cf
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SHA1
b1446819736ae3b1881605e919100ae5c54c1d45
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SHA256
98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9
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SHA512
f924574a84e51cd3b9cbce482f29248c10cb6fb02a786232afc47f729063bcf2d0ca98dc0db0c9606d635bbcc5db9d26dafcf685c6e128fcb3ed0bc532852fcb
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SSDEEP
12288:BMrQy90dDTo1YgrmaX/C4KzEeHGWrqJp/k8ojw:ly6Xo1Y+6HzEOcp/k8r
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/0x000b000000023b67-12.dat healer behavioral1/memory/4260-15-0x00000000002C0000-0x00000000002CA000-memory.dmp healer behavioral1/memory/5112-22-0x0000000004B70000-0x0000000004B8A000-memory.dmp healer behavioral1/memory/5112-24-0x00000000051F0000-0x0000000005208000-memory.dmp healer behavioral1/memory/5112-25-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-52-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-50-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-48-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-46-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-44-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-42-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-40-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-38-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-36-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-34-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-32-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-30-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-28-0x00000000051F0000-0x0000000005202000-memory.dmp healer behavioral1/memory/5112-26-0x00000000051F0000-0x0000000005202000-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 etk81KX.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" etk81KX.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" etk81KX.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" etk81KX.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dOu86tE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" etk81KX.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" etk81KX.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/0x000a000000023b65-58.dat family_redline behavioral1/memory/2076-59-0x0000000000D00000-0x0000000000D32000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 2532 nGX84Jl18.exe 4260 dOu86tE.exe 5112 etk81KX.exe 2076 fXG73YH.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dOu86tE.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features etk81KX.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" etk81KX.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\\\"" 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.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\\\"" nGX84Jl18.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1188 5112 WerFault.exe 93 -
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 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nGX84Jl18.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language etk81KX.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fXG73YH.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4260 dOu86tE.exe 4260 dOu86tE.exe 5112 etk81KX.exe 5112 etk81KX.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4260 dOu86tE.exe Token: SeDebugPrivilege 5112 etk81KX.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4604 wrote to memory of 2532 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 84 PID 4604 wrote to memory of 2532 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 84 PID 4604 wrote to memory of 2532 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 84 PID 2532 wrote to memory of 4260 2532 nGX84Jl18.exe 86 PID 2532 wrote to memory of 4260 2532 nGX84Jl18.exe 86 PID 2532 wrote to memory of 5112 2532 nGX84Jl18.exe 93 PID 2532 wrote to memory of 5112 2532 nGX84Jl18.exe 93 PID 2532 wrote to memory of 5112 2532 nGX84Jl18.exe 93 PID 4604 wrote to memory of 2076 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 97 PID 4604 wrote to memory of 2076 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 97 PID 4604 wrote to memory of 2076 4604 98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe"C:\Users\Admin\AppData\Local\Temp\98911fd8a0add59487ad3b8e8e80d6340f93ca22180f44a5f2cb2a7682bb35b9.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGX84Jl18.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nGX84Jl18.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dOu86tE.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dOu86tE.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4260
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etk81KX.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\etk81KX.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:5112 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 10844⤵
- Program crash
PID:1188
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXG73YH.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fXG73YH.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5112 -ip 51121⤵PID:2212
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
337KB
MD5483d9d4fc63ce40d84e194e28d4b4b58
SHA138c3f8b7fda38506d11f367ca04f1afc31556b9b
SHA256486e5a30cc0af3d7988fd441e9ecf817caa2c11d45f8efc455b9e1472873d5d6
SHA5123b2ce6fe704a2184044eb5cbe18cf40aa61d983252b7b4aa80268e953697dfe94637261f422296a6f9f73e4f6e0c2968d2e721cee423b5971d033fafeeb5bc52
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
246KB
MD55689d82e0bb0b6c738220f0e2d50f757
SHA11f1c0b8fceb6cb706866f2e32338a661af642e24
SHA2567cb1ef101075ff5d838a237ac29decc694606f34c102e4ec189b2f47780b60dd
SHA512dc16bef6fc2aee37df075e0db1e278889d6228d6979d2f680a88286fb6f90bf77249871cf9db4746e343f3ae4672d518873732ed04aedb3e5ea9947bbeb6f96b