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, 21:47
Static task
static1
Behavioral task
behavioral1
Sample
227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe
Resource
win10v2004-20241007-en
General
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Target
227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe
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Size
536KB
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MD5
b192752941c09d9d8cddbc52a0235560
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SHA1
ba4746773bebfc3779fbf964f8a5b28f9ffd7ae5
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SHA256
227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2
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SHA512
99beb36eb6e814dcc110370bef400c5a15ccb6daf6adb6467e52ac8a5a7e36a137a6a727359a033ecdd4ac3b353955b6b81f143fa434e7c547f470988f97312a
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SSDEEP
12288:XMrMy90E1a2V/1Jbkd2ZdIxXw8h0xEplIUxd/g1IH:ryHhV98MEDIUPgE
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/0x000b000000023b95-12.dat healer behavioral1/memory/2136-15-0x0000000000310000-0x000000000031A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw58bd16eL61.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sw58bd16eL61.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw58bd16eL61.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw58bd16eL61.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw58bd16eL61.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw58bd16eL61.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/3980-22-0x00000000024B0000-0x00000000024F6000-memory.dmp family_redline behavioral1/memory/3980-24-0x0000000004B90000-0x0000000004BD4000-memory.dmp family_redline behavioral1/memory/3980-40-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-50-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-88-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-86-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-82-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-80-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-78-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-76-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-74-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-72-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-70-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-68-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-66-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-64-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-60-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-58-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-56-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-54-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-52-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-48-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-46-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-44-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-42-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-38-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-36-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-34-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-32-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-30-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-28-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-84-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-62-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-26-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline behavioral1/memory/3980-25-0x0000000004B90000-0x0000000004BCE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 2080 vnK4465lE.exe 2136 sw58bd16eL61.exe 3980 tPl92Zw66.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw58bd16eL61.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\\\"" 227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.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\\\"" vnK4465lE.exe -
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 227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vnK4465lE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tPl92Zw66.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2136 sw58bd16eL61.exe 2136 sw58bd16eL61.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2136 sw58bd16eL61.exe Token: SeDebugPrivilege 3980 tPl92Zw66.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1020 wrote to memory of 2080 1020 227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe 83 PID 1020 wrote to memory of 2080 1020 227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe 83 PID 1020 wrote to memory of 2080 1020 227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe 83 PID 2080 wrote to memory of 2136 2080 vnK4465lE.exe 84 PID 2080 wrote to memory of 2136 2080 vnK4465lE.exe 84 PID 2080 wrote to memory of 3980 2080 vnK4465lE.exe 90 PID 2080 wrote to memory of 3980 2080 vnK4465lE.exe 90 PID 2080 wrote to memory of 3980 2080 vnK4465lE.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe"C:\Users\Admin\AppData\Local\Temp\227f543477358af7f051fc7858d8bf635b9e2332a09a3759e0b829ae6ff437b2.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vnK4465lE.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vnK4465lE.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw58bd16eL61.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw58bd16eL61.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2136
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tPl92Zw66.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tPl92Zw66.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3980
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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
391KB
MD5a89ade95c44340d9ba86e947aa047681
SHA18f869081f1fe3724dacb0ab2d8b4d6bdd57c4d89
SHA256a5fcb36cb7dd6940a4904551359e69e3cf3b321c7ebd4779d905e133a3bc52df
SHA5129bba94890635de9e9cae87111b7c09f1104aba1816deaff5837ec362927981104091204bdc546a6abc10b99cc8a422a84c8c4a4c6e5c384b66e399d6d91d666e
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Filesize
16KB
MD50a3d59173bc50e605c828c11c1bdefe7
SHA1ef6bac750cdd66820f3d387fb1bbf78de2a4c47e
SHA256cebeff134d3d7f0f446456d57545060a94054e4b63c9fef4ae9d466fbceaee22
SHA512c8c91a29df197a18768ffd9ea3e04a1cbfd781ba4575eba8940002adef7169a4720ad622e337479c9ded4283a9940142ab65bb48b57cfc81590deff8bd9cf79a
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Filesize
301KB
MD50b1fc7b6b5f423e268221516747427e9
SHA146193a7985ffd4b645fb2abf9eb10bc11a78a537
SHA256d798407025621d1aab6e51a2cd6b6b8db9b0832b5ff932001ae3a42789c69bc2
SHA512120304b76de795816e47f07555c149c65dc52a152b92dafc5f5e4ff4dc4c09e8a1ca3b71c043d0cecb2f4c74e434ba0ec9ae4bd15a3cf22bb880326c77be02e8