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Analysis
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max time kernel
118s -
max time network
119s -
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, 12:18
Static task
static1
Behavioral task
behavioral1
Sample
1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe
Resource
win10v2004-20241007-en
General
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Target
1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe
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Size
389KB
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MD5
251d8bf976075e485fb0f076c78e1d8d
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SHA1
aeecb9e948177ce0f1b547c8cb7ab49e6b8c7e30
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SHA256
1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c
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SHA512
c1bc71aa4ac98b7b41112b422a18ba24c9244a2cc9d4f244c62596e142195794039e3203b021fc0d8aa2f9e7107cd365832e0637420287e916b393288c48fe9a
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SSDEEP
6144:KUy+bnr+Rp0yN90QEb3hyWQ5hVPuXwmXug2Dw/nh9KtgroI5Lyh:EMr1y90DylhVPuXwG2ElromLyh
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b75-5.dat healer behavioral1/memory/1840-8-0x0000000000690000-0x000000000069A000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr175480.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr175480.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr175480.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr175480.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr175480.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr175480.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/4656-18-0x00000000044B0000-0x00000000044F6000-memory.dmp family_redline behavioral1/memory/4656-20-0x00000000068F0000-0x0000000006934000-memory.dmp family_redline behavioral1/memory/4656-22-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-32-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-85-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-82-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-80-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-79-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-76-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-74-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-73-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-70-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-68-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-66-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-64-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-63-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-58-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-57-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-54-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-52-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-50-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-49-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-46-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-44-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-40-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-38-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-36-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-35-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-30-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-28-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-26-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-24-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-60-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-42-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline behavioral1/memory/4656-21-0x00000000068F0000-0x000000000692F000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 1840 jr175480.exe 4656 ku019182.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr175480.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\\\"" 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku019182.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1840 jr175480.exe 1840 jr175480.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1840 jr175480.exe Token: SeDebugPrivilege 4656 ku019182.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4236 wrote to memory of 1840 4236 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe 83 PID 4236 wrote to memory of 1840 4236 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe 83 PID 4236 wrote to memory of 4656 4236 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe 94 PID 4236 wrote to memory of 4656 4236 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe 94 PID 4236 wrote to memory of 4656 4236 1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe"C:\Users\Admin\AppData\Local\Temp\1cf7a4d61ec943759d42fd6353da56c20ae2c8ec4f116a32737002663b45953c.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4236 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr175480.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr175480.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1840
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku019182.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku019182.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4656
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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
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Downloads
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Filesize
12KB
MD51408fde498e2a4008d679e88ca4fd9d8
SHA11090adb6dce377b4a1e6419852d6653dc5feca76
SHA256f45dd5e526020c3ebc786db63bfcfe5581d776c192ac54b7196bdfe9b9e53598
SHA51272674be34dc46fca94398cb1e5755c393be51f75594b7e92325be910a2dd19dc99f8b1a89e9adef0d67d278fdd617f70c58a0f5c64b2591e9a1927bd9c682072
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Filesize
435KB
MD5d1c50c651ba6ef8794bb0b8024d3557d
SHA1d6d4a761c272e363f4697655192a64afb72547f5
SHA2562e95893c46b3a8ae314bfed754e0806321424675e0e61205124ad23f221eee8f
SHA512056f870dcdd5001f0081f8eae3aa4ad63ed164a62245fc4299ed83f7d5fd9783692f47938660cb65f462bf8d28166edea1283fe5d90bd25a5c00ab53a183238d