Analysis
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max time kernel
150s -
max time network
150s -
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, 05:09
Static task
static1
Behavioral task
behavioral1
Sample
b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe
Resource
win10v2004-20241007-en
General
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Target
b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe
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Size
376KB
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MD5
181d6bf1328831d5577b586c18cb3b2b
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SHA1
eb1b88c1aa96b05b86c64e39ea3d8e077de6a53e
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SHA256
b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438
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SHA512
2aa77f8c320e902eae0eec7d1fef9852eae85411cb048f16303f372d491395957947709e2ea4058e809f9bbe18af062a1cf58058517231cb92c177fd632c513b
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SSDEEP
6144:Kqy+bnr+Wp0yN90QEbcxHODW8HmDqd88MPYhuYR5QqhfQq+7P1Ix5bH6L8CqdQfU:iMrSy905cHWWSi8MgUYjQgQq+jS5L6Lq
Malware Config
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000c000000023c2a-12.dat healer behavioral1/memory/3124-15-0x0000000000DA0000-0x0000000000DAA000-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\DisableBehaviorMonitoring = "1" k4587330.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" k4587330.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" k4587330.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" k4587330.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" k4587330.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection k4587330.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/0x0016000000023c2b-19.dat family_redline behavioral1/memory/324-21-0x00000000001B0000-0x00000000001D8000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 2520 y1200645.exe 3124 k4587330.exe 324 l3511930.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" k4587330.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\\\"" b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.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\\\"" y1200645.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 b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language y1200645.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language l3511930.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3124 k4587330.exe 3124 k4587330.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3124 k4587330.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 740 wrote to memory of 2520 740 b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe 83 PID 740 wrote to memory of 2520 740 b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe 83 PID 740 wrote to memory of 2520 740 b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe 83 PID 2520 wrote to memory of 3124 2520 y1200645.exe 84 PID 2520 wrote to memory of 3124 2520 y1200645.exe 84 PID 2520 wrote to memory of 324 2520 y1200645.exe 95 PID 2520 wrote to memory of 324 2520 y1200645.exe 95 PID 2520 wrote to memory of 324 2520 y1200645.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe"C:\Users\Admin\AppData\Local\Temp\b4862d5cab448b8b82645be99142d30f098a15a1e04d44668b017b1728973438.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y1200645.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4587330.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l3511930.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:324
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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
204KB
MD507a43b24a10a8b5286a8474045d2327f
SHA14261f0689c41b06a24f24daaa93da6f1e74962e8
SHA256d1240968f35f7998ea6b4d88611f8763e66f9feb9100a63ea4465e0098e8db3d
SHA512ec41ff223fca30ae9613d8273efe79e5ce34005445789a551d817b41a147b5f20ca7569044844d0a92a8fe9cb46fe4d0363074c7e8249474606d4d4411778c18
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
136KB
MD58f30f7f88229560306c5959c605316de
SHA136f26a905a9743f6dd1608e39b37d1116cafcc0a
SHA2563a616b322cc7ca87e349b8ceabb92062ed0388308d1f9221e9cdb6f65c86b6f7
SHA512267d0f3954c416dc994e3c3e6790f6997598b71fdb7172e87265b31b7593fb29e9eb4cc295a38b969d1f2aa131b5a67525e0f4bb51a61a3dd82b7c63b867f9a0