Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 02:40
Static task
static1
Behavioral task
behavioral1
Sample
b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe
Resource
win10v2004-20241007-en
General
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Target
b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe
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Size
408KB
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MD5
142348438558e7b8cfeaf4be4f7d2eeb
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SHA1
62dfe9433729fe1eebf3da62511c4ab286366e59
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SHA256
b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce
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SHA512
e3099ed0163867f9e2ce2bd8410eaf0f4eeb346f9a1c063393c476d7b03189d4a4c30883505a969e88ac87d92b7ab3f40c1bcdcd1fae3685b1af8317daaf30b0
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SSDEEP
6144:KWy+bnr+tp0yN90QELZe9PvWsoQO9Q6qtP1JWYmzBbmayjxqpTsF1/:eMrpy90hEY2tnfmzBb61qpIF1/
Malware Config
Extracted
redline
fud
193.233.20.27:4123
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auth_value
cddc991efd6918ad5321d80dac884b40
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000c000000023b5a-5.dat healer behavioral1/memory/3104-8-0x0000000000360000-0x000000000036A000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection s7869YE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" s7869YE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" s7869YE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" s7869YE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" s7869YE.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" s7869YE.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/5096-18-0x0000000002640000-0x0000000002686000-memory.dmp family_redline behavioral1/memory/5096-20-0x0000000004C20000-0x0000000004C64000-memory.dmp family_redline behavioral1/memory/5096-22-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-21-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-46-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-84-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-82-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-81-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-78-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-76-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-75-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-72-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-71-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-68-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-66-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-65-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-62-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-61-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-58-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-57-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-54-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-53-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-50-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-48-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-44-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-40-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-42-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-38-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-36-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-34-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-32-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-30-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-28-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-26-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline behavioral1/memory/5096-24-0x0000000004C20000-0x0000000004C5E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3104 s7869YE.exe 5096 t73BV05.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" s7869YE.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\\\"" b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4884 sc.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 t73BV05.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3104 s7869YE.exe 3104 s7869YE.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3104 s7869YE.exe Token: SeDebugPrivilege 5096 t73BV05.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 936 wrote to memory of 3104 936 b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe 83 PID 936 wrote to memory of 3104 936 b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe 83 PID 936 wrote to memory of 5096 936 b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe 95 PID 936 wrote to memory of 5096 936 b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe 95 PID 936 wrote to memory of 5096 936 b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe"C:\Users\Admin\AppData\Local\Temp\b7cc43b8ae5c8114d52fc6e90e4b2c86edf2e5f66af8873c25e2305b088837ce.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7869YE.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7869YE.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3104
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73BV05.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t73BV05.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5096
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4884
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
380KB
MD57703b533b6e72a90817e85a9fd1f7126
SHA1f4cc506f60b36ddf6474504989a9b171b1418570
SHA256f6660c406e330206727065c74443d77ab4689c53984e6c2158f130c03cd2e86d
SHA5123ee516734c6246d7b492af2a6ba3cae18d59d83cc281d75544b29918073a472b37d52ad6cf5c78bb36e81cc67e27d5cb2b0a1e6af098eaa4b5f5a3441f8ce031