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Analysis
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max time kernel
116s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14/11/2024, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe
Resource
win10v2004-20241007-en
General
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Target
69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe
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Size
202KB
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MD5
b4d19e1899fad64b988f6f917ac62c80
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SHA1
85159974fed63fe8e0f9308b13a8628605456382
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SHA256
69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690
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SHA512
66a9c644c05ae3cf64d31608699a57bfda819aac016e49dd66748a175455935a9b021238794acb624a99a38596f1043adf1c072f950c427db3b96e643225a438
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SSDEEP
3072:Kly+bnr+O145GWp1icKAArDZz4N9GhbkrNEk6IfA7jkFF9j5dBKO3lY1:Kly+bnr+Dp0yN90QEufAHsF3M
Malware Config
Extracted
redline
fukia
193.233.20.13:4136
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auth_value
e5783636fbd9e4f0cf9a017bce02e67e
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0009000000023c7f-5.dat healer behavioral1/memory/4456-8-0x0000000000BE0000-0x0000000000BEA000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" iyZ69vK.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" iyZ69vK.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 2 IoCs
resource yara_rule behavioral1/files/0x0007000000023c83-12.dat family_redline behavioral1/memory/1644-15-0x0000000000070000-0x00000000000A2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 4456 iyZ69vK.exe 1644 kKT13Lu.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" iyZ69vK.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\\\"" 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.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 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kKT13Lu.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4456 iyZ69vK.exe 4456 iyZ69vK.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4456 iyZ69vK.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4376 wrote to memory of 4456 4376 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe 83 PID 4376 wrote to memory of 4456 4376 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe 83 PID 4376 wrote to memory of 1644 4376 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe 98 PID 4376 wrote to memory of 1644 4376 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe 98 PID 4376 wrote to memory of 1644 4376 69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe"C:\Users\Admin\AppData\Local\Temp\69f8e43073e849bba9e3092888fe246fa19fe53188b6554d23f63834b9b19690N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\iyZ69vK.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\kKT13Lu.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1644
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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
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2