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Analysis
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max time kernel
116s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 21:34
Static task
static1
Behavioral task
behavioral1
Sample
a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe
Resource
win10v2004-20241007-en
General
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Target
a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe
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Size
366KB
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MD5
4f638f3a3b80a8a1edaa6e48da09403a
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SHA1
46e29ac6af6c1b8d69856d95639194bb5698750a
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SHA256
a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d
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SHA512
174dc415e7bee36f0886dd713027722871de3c3da82d4c1c906d35712d2e2f76b669c066b47a97b81d910bb05edd2d382cabd2b7ce17230f46d160c2bc5b2cff
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SSDEEP
6144:KXy+bnr+pp0yN90QES5EtlkjZHluB4M/iCDT8w+eb+aEHCZm8aCkQivN9f:dMrFy90hQjGF/L3pZWrxPf
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 17 IoCs
resource yara_rule behavioral1/memory/2192-12-0x0000000002400000-0x000000000241A000-memory.dmp healer behavioral1/memory/2192-14-0x0000000002790000-0x00000000027A8000-memory.dmp healer behavioral1/memory/2192-16-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-40-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-38-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-36-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-34-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-32-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-30-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-28-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-42-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-26-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-24-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-22-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-20-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-18-0x0000000002790000-0x00000000027A2000-memory.dmp healer behavioral1/memory/2192-15-0x0000000002790000-0x00000000027A2000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bOv03uC.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/0x0007000000023c97-51.dat family_redline behavioral1/memory/4012-54-0x0000000000D90000-0x0000000000DC2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2192 bOv03uC.exe 4012 dwQ94gF.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bOv03uC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bOv03uC.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\\\"" a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 508 2192 WerFault.exe 85 -
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 bOv03uC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dwQ94gF.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2192 bOv03uC.exe 2192 bOv03uC.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2192 bOv03uC.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3132 wrote to memory of 2192 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 85 PID 3132 wrote to memory of 2192 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 85 PID 3132 wrote to memory of 2192 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 85 PID 3132 wrote to memory of 4012 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 100 PID 3132 wrote to memory of 4012 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 100 PID 3132 wrote to memory of 4012 3132 a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe"C:\Users\Admin\AppData\Local\Temp\a3b5e22aeb1cafbca939ad31ecce07c99bb87bdab4660146ccb3da5d3087d48d.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bOv03uC.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\bOv03uC.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2192 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 11003⤵
- Program crash
PID:508
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dwQ94gF.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\dwQ94gF.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2192 -ip 21921⤵PID:1164
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
220KB
MD5fd815ed5f97b5a0c8091f3f8d5125673
SHA18e062e61dc7fb58a3301741aa4c34b259e3e9b25
SHA2567f2e56fcc1d09a924faf8e9fd38f4781aa79d6d895e8d068d093b4201a3f08e7
SHA512e47b639e4692101ea444ee22b99d638c521ae5c5e8f27b16f9c2f335ab3a242bf0deb51f52a9e75ccb40edffa8bbaaa6cf8915ff74e10be79fbd697fe8ee96b7
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2