Analysis
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max time kernel
12s -
max time network
111s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
05-01-2024 21:17
Static task
static1
Behavioral task
behavioral1
Sample
WEXTRACT1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
WEXTRACT1.exe
Resource
win10v2004-20231215-en
General
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Target
WEXTRACT1.exe
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Size
1.3MB
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MD5
8f79c16f1de3e05ee0c368cc72bed63f
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SHA1
f3698f5230e09c093044e73b655fd69e25b9c3cb
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SHA256
70d8c9b6b1ca04dfb10ea4cb4a723d0667023cb50f25b9eb1ca9f06bdaad4a07
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SHA512
7d9053ae99a64fa974a80e7c0652faed3882d4a603aa45c1126cb51d5752c24748aaea67de66075b00c2a71720f18618316065a119a64fa1411109e2acad0bb3
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SSDEEP
24576:2yrEsfi12+2waRpCZdVyNlQYRbtXcjqlfi1JoCq:FdY2hpCZdJ6bGGfi1
Malware Config
Extracted
redline
maza
185.161.248.73:4164
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auth_value
474d54c1c2f5291290c53f8378acd684
Signatures
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Detects Healer an antivirus disabler dropper 13 IoCs
resource yara_rule behavioral2/memory/348-36-0x0000000005000000-0x0000000005018000-memory.dmp healer behavioral2/memory/348-56-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-54-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-52-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-50-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-48-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-46-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-44-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-42-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-40-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-38-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-37-0x0000000005000000-0x0000000005012000-memory.dmp healer behavioral2/memory/348-32-0x0000000002A30000-0x0000000002A4A000-memory.dmp healer -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" a96780884.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Executes dropped EXE 5 IoCs
pid Process 2996 i30920317.exe 3672 i14658364.exe 1816 i30992395.exe 348 a96780884.exe 2632 b98853343.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features a96780884.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" a96780884.exe -
Adds Run key to start application 2 TTPs 4 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\\\"" WEXTRACT1.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\\\"" i30920317.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\\\"" i14658364.exe 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\\\"" i30992395.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2712 348 WerFault.exe 19 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 348 a96780884.exe 348 a96780884.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 348 a96780884.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3340 wrote to memory of 2996 3340 WEXTRACT1.exe 23 PID 3340 wrote to memory of 2996 3340 WEXTRACT1.exe 23 PID 3340 wrote to memory of 2996 3340 WEXTRACT1.exe 23 PID 2996 wrote to memory of 3672 2996 i30920317.exe 22 PID 2996 wrote to memory of 3672 2996 i30920317.exe 22 PID 2996 wrote to memory of 3672 2996 i30920317.exe 22 PID 3672 wrote to memory of 1816 3672 i14658364.exe 21 PID 3672 wrote to memory of 1816 3672 i14658364.exe 21 PID 3672 wrote to memory of 1816 3672 i14658364.exe 21 PID 1816 wrote to memory of 348 1816 i30992395.exe 19 PID 1816 wrote to memory of 348 1816 i30992395.exe 19 PID 1816 wrote to memory of 348 1816 i30992395.exe 19 PID 1816 wrote to memory of 2632 1816 i30992395.exe 102 PID 1816 wrote to memory of 2632 1816 i30992395.exe 102 PID 1816 wrote to memory of 2632 1816 i30992395.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\WEXTRACT1.exe"C:\Users\Admin\AppData\Local\Temp\WEXTRACT1.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3340 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i30920317.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\i30920317.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2996
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C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a96780884.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a96780884.exe1⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:348 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 10842⤵
- Program crash
PID:2712
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i30992395.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i30992395.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b98853343.exeC:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b98853343.exe2⤵
- Executes dropped EXE
PID:2632
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i14658364.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\i14658364.exe1⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 348 -ip 3481⤵PID:2636
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
168KB
MD54deb4613e5d4be8515f2bccf2e7cd9b0
SHA14f1add325f65c821df49b575481f590b4d145848
SHA256bfdbece7dfe1b422723d209274ba5129ac46e45d85fb1b22e9f92764f0ee1e76
SHA5126916b3d22e6ed8132050fc70144f89cdba1d4dba913a14d8370fc66c5e808e199c42f35352ba60c917690d12a0109d6593d290f3f2e1a45933d73c7f7036554b