Analysis
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max time kernel
120s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 17:29
Static task
static1
Behavioral task
behavioral1
Sample
b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe
Resource
win10v2004-20241007-en
General
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Target
b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe
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Size
609KB
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MD5
8a68a86441d794ccb55e3d2c121e3750
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SHA1
84cc4ec2ab5929358a4a0ede62935117ffa62540
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SHA256
b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063c
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SHA512
22a071f610a5134b318bbab4e2d9381ceddeae7ddc88767251acd946939153694250fbf7b6678eb05a511c25250c0151c9519c50a6a0af5cfe0bdfa7632cc99f
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SSDEEP
12288:uy90TSVYrEG7xKogINBxNrn6n6RbZJgt8aRzu4:uydigGtKoDNj06JrgLlu4
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/3872-12-0x0000000002590000-0x00000000025AA000-memory.dmp healer behavioral1/memory/3872-14-0x0000000002960000-0x0000000002978000-memory.dmp healer behavioral1/memory/3872-16-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-42-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-40-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-39-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-36-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-34-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-32-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-30-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-28-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-26-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-24-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-23-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-20-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-18-0x0000000002960000-0x0000000002972000-memory.dmp healer behavioral1/memory/3872-15-0x0000000002960000-0x0000000002972000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pr289750.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pr289750.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pr289750.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pr289750.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pr289750.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pr289750.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/3176-55-0x0000000002600000-0x000000000263C000-memory.dmp family_redline behavioral1/memory/3176-69-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-91-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-89-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-87-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-85-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-83-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-81-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-79-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-77-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-75-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-73-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-71-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-67-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-65-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-63-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-61-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-59-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-58-0x0000000004E40000-0x0000000004E75000-memory.dmp family_redline behavioral1/memory/3176-56-0x0000000004E40000-0x0000000004E7A000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3872 pr289750.exe 3176 qu695993.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pr289750.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pr289750.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\\\"" b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2752 3872 WerFault.exe 84 -
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 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pr289750.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qu695993.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3872 pr289750.exe 3872 pr289750.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3872 pr289750.exe Token: SeDebugPrivilege 3176 qu695993.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4476 wrote to memory of 3872 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 84 PID 4476 wrote to memory of 3872 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 84 PID 4476 wrote to memory of 3872 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 84 PID 4476 wrote to memory of 3176 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 94 PID 4476 wrote to memory of 3176 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 94 PID 4476 wrote to memory of 3176 4476 b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe"C:\Users\Admin\AppData\Local\Temp\b043faf55ab98a11da02338a9b865442332707b8073a23b3f26761732477063cN.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4476 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pr289750.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\pr289750.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:3872 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 10923⤵
- Program crash
PID:2752
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qu695993.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qu695993.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3176
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3872 -ip 38721⤵PID:4712
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
403KB
MD51bbe7ebe3d95e70a8f83d75c403e995d
SHA1c413a8033296084050846d58c7275a4d82c9b428
SHA2568415a43f3a754feefdc542357064821d9cb8db3bf74af5272ddead5a1b5fe52f
SHA5121e287639e351a468c62f02dada31ea80a467dd06b8bab5ea435d8392041bd0166f449e9597a076fdfc9f9465795bffe76ac7ee286f7dd50696338c2ae1c3ebfe
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Filesize
486KB
MD517974647e961eaae4e9f07f16aeea779
SHA1f3d2cc8214f55996cf39e6e60234d5b2049b7a17
SHA256a5a3b9c4b273ea410f32a20830dea514def04c453dc0684e05860748e247553a
SHA5129dff85e1a0b894696d0db7ea3463d602cbe549da736180624e39bd8af46047815ed9226165b3c9289c690222e5347ea40767bbe287d97ff847ad0d00274e069e