Analysis
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max time kernel
143s -
max time network
147s -
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, 06:14
Static task
static1
Behavioral task
behavioral1
Sample
a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe
Resource
win10v2004-20241007-en
General
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Target
a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe
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Size
1.1MB
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MD5
d7c3f25879c5bbfa5a4b0d8a7c1f41e0
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SHA1
af59766602c6e967660034893eea771e797db5eb
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SHA256
a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018
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SHA512
a4e59c32209c6a8a049d77575b803dcd8c984b899edbdaf371f4afc3fb0740452ca07bfe5b7f58568b8ea3a9ff2e3854c88e3eb4cd73d89c9068513ec48ecd80
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SSDEEP
24576:2yhw/Wm3x0kvjP2+OG22t6Y7Y4ORaxZc:FS/Wyx0F+OG22tcRkZ
Malware Config
Extracted
redline
rumfa
193.233.20.24:4123
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auth_value
749d02a6b4ef1fa2ad908e44ec2296dc
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023cc1-33.dat healer behavioral1/memory/2320-35-0x0000000000970000-0x000000000097A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection buRz00Yu22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" buRz00Yu22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" buRz00Yu22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" buRz00Yu22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" buRz00Yu22.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" buRz00Yu22.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/4928-41-0x0000000004AA0000-0x0000000004AE6000-memory.dmp family_redline behavioral1/memory/4928-43-0x0000000004B60000-0x0000000004BA4000-memory.dmp family_redline behavioral1/memory/4928-47-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-49-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-101-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-85-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-63-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-45-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-44-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-107-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-105-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-103-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-99-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-97-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-95-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-93-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-91-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-89-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-87-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-83-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-81-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-80-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-77-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-75-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-73-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-71-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-69-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-67-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-65-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-61-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-59-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-57-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-55-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-53-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline behavioral1/memory/4928-51-0x0000000004B60000-0x0000000004B9E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 6 IoCs
pid Process 1492 plWR59tB77.exe 3712 plOG57WM33.exe 1948 pliK67SG19.exe 3480 plMK78OC34.exe 2320 buRz00Yu22.exe 4928 caek60Mz53.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" buRz00Yu22.exe -
Adds Run key to start application 2 TTPs 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" pliK67SG19.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" plMK78OC34.exe 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\\\"" a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.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\\\"" plWR59tB77.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" plOG57WM33.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 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 plMK78OC34.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language caek60Mz53.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plWR59tB77.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language plOG57WM33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pliK67SG19.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2320 buRz00Yu22.exe 2320 buRz00Yu22.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2320 buRz00Yu22.exe Token: SeDebugPrivilege 4928 caek60Mz53.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1068 wrote to memory of 1492 1068 a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe 83 PID 1068 wrote to memory of 1492 1068 a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe 83 PID 1068 wrote to memory of 1492 1068 a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe 83 PID 1492 wrote to memory of 3712 1492 plWR59tB77.exe 84 PID 1492 wrote to memory of 3712 1492 plWR59tB77.exe 84 PID 1492 wrote to memory of 3712 1492 plWR59tB77.exe 84 PID 3712 wrote to memory of 1948 3712 plOG57WM33.exe 85 PID 3712 wrote to memory of 1948 3712 plOG57WM33.exe 85 PID 3712 wrote to memory of 1948 3712 plOG57WM33.exe 85 PID 1948 wrote to memory of 3480 1948 pliK67SG19.exe 86 PID 1948 wrote to memory of 3480 1948 pliK67SG19.exe 86 PID 1948 wrote to memory of 3480 1948 pliK67SG19.exe 86 PID 3480 wrote to memory of 2320 3480 plMK78OC34.exe 88 PID 3480 wrote to memory of 2320 3480 plMK78OC34.exe 88 PID 3480 wrote to memory of 4928 3480 plMK78OC34.exe 99 PID 3480 wrote to memory of 4928 3480 plMK78OC34.exe 99 PID 3480 wrote to memory of 4928 3480 plMK78OC34.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe"C:\Users\Admin\AppData\Local\Temp\a00b69f971f95ed780540b58909cd0adc1f8a5c85aec1a1882a120af86b4c018.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plWR59tB77.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\plWR59tB77.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plOG57WM33.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\plOG57WM33.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pliK67SG19.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\pliK67SG19.exe4⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plMK78OC34.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\plMK78OC34.exe5⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buRz00Yu22.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\buRz00Yu22.exe6⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2320
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C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\caek60Mz53.exeC:\Users\Admin\AppData\Local\Temp\IXP004.TMP\caek60Mz53.exe6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4928
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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
Loading Replay Monitor...
Downloads
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Filesize
997KB
MD554d86bffa99878d3e90a8064f94ecc77
SHA126f420632033cc41e74e4bf7df22072066119583
SHA2565d310fa4da357f71988c773205dbafa692b21a80e5410df063821322c1e6c19d
SHA512694697daf8ec865119609a1764103b9a867b9ef342fe0bedb9ff42c330d76124343dede54b4e5f91449624f45b8ff36f9b1771f5a38080560d3447502cd54384
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Filesize
893KB
MD5d47fdd847e9927ac2c72a0950fb117e3
SHA14fdd51817d06fd33bab9186060ba8460d3c78979
SHA256a7c3aba495f4a1a40afcde922ad40b965259cc751e8fcaa3ed23a6ad87a49e2d
SHA5123b1a753f462868d892ce0233a83c95df1868e74417234038c47219a496a6dc826500c9823342bdcbdc64706aeb125afebde7b21e453b5d01d938137bc2771bb6
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Filesize
667KB
MD5a780516c054528e8c6cc3823e31cfe2e
SHA130ba775443980de16a906d1d4bd7cb426082e1c5
SHA25641307ade9546b863bfe4f781d4303476b02ed7ae76159b773322677292cb44ec
SHA512ab83d522353972e8b97a3a375bf37f437a522694825109c3459a5e459aa9986f141e87825b952a1e88ba322e4fa738c33005f107216d6c4216dbdb587849b768
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Filesize
391KB
MD55b732b7b97aa2a604b07116021f4db1d
SHA168f9b77bcb732fd0c2b54c188da814ec6e211466
SHA2568a91bc6297067201433e0f400079ea1b1053f2ceb2e5c509fc3f5792c734f305
SHA51227513b7c702dd96ef34881c8c07e1f8c060f8b6755a4824613c906cd564122d40fb14415c89abae1f5088f030a4e52c8621b805c15ef002322ca97ab6623bf26
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Filesize
17KB
MD5e2decf44bbb5e6cdb20ef4a44d4ab38d
SHA138667ac29483494f9c04aac5c486fac40177459c
SHA25679e6d837e4febf78d91fd3cdd8cdb8a526d318b29818f304c4b348ca1c0550cf
SHA51299af0161d62c88d8d805ad9391a7a3a981e426bf526531ffbfedcab9868d4afc472662d53eefc61d9379fd503582c9c9ccb8d7d6290769e6270b9205e6aff2b1
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Filesize
302KB
MD547edc698fb60063cef4e63ee2d5d05bc
SHA18f7bc644d7a378df490ab77d7b3b9b2a25a870fa
SHA2562561279e13e55b30c371c6d72c72bf9124697eec6395f1c1dfbbdd8ac3f5557f
SHA512b6c7b5288217bd01efe5ee9ec396dc7471240749a9f8998ddec34f7a2a073bfaa062e4a72986d0dcb73e283dc60e0cfcd0885a2e68014598e86277dd80082715