Analysis
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max time kernel
146s -
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
19-11-2024 03:30
Static task
static1
Behavioral task
behavioral1
Sample
558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe
Resource
win10v2004-20241007-en
General
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Target
558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe
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Size
506KB
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MD5
776745dbdfbea4b55d312c52aee91f79
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SHA1
517a05745cf315bf75edb408427257ca0bcbfb8a
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SHA256
558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b
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SHA512
a2fdbc31ba0f10e6cc102b8a5e4bb3df2f95c1db69bd767b2a15f352badff3ba2b6e8a906ad7a66411cdfb3e4c8011f6cc731df037fbd717891ce3ee1fe770e1
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SSDEEP
12288:sMrHy909Wx86olt4PWJFwpifhAxwYd/Z28cj2mfoU:bya9hleOJXfm+qmQU
Malware Config
Extracted
redline
norm
77.91.124.145:4125
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auth_value
1514e6c0ec3d10a36f68f61b206f5759
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000c000000023b62-5.dat healer behavioral1/memory/4476-8-0x00000000007D0000-0x00000000007DA000-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\DisableRealtimeMonitoring = "1" jr974895.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr974895.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr974895.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr974895.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr974895.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" jr974895.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 3 IoCs
resource yara_rule behavioral1/memory/4524-2101-0x0000000005400000-0x0000000005432000-memory.dmp family_redline behavioral1/files/0x000a000000023b67-2105.dat family_redline behavioral1/memory/2164-2114-0x00000000002E0000-0x0000000000310000-memory.dmp family_redline -
Redline family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation ku537452.exe -
Executes dropped EXE 3 IoCs
pid Process 4476 jr974895.exe 4524 ku537452.exe 2164 1.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr974895.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\\\"" 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4508 4524 WerFault.exe 97 -
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 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku537452.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4476 jr974895.exe 4476 jr974895.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4476 jr974895.exe Token: SeDebugPrivilege 4524 ku537452.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2428 wrote to memory of 4476 2428 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe 83 PID 2428 wrote to memory of 4476 2428 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe 83 PID 2428 wrote to memory of 4524 2428 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe 97 PID 2428 wrote to memory of 4524 2428 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe 97 PID 2428 wrote to memory of 4524 2428 558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe 97 PID 4524 wrote to memory of 2164 4524 ku537452.exe 102 PID 4524 wrote to memory of 2164 4524 ku537452.exe 102 PID 4524 wrote to memory of 2164 4524 ku537452.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe"C:\Users\Admin\AppData\Local\Temp\558828baccf110ae0d385ec4e9dc213a2dd783ead24da5baf101f69a4aea3e8b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr974895.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr974895.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4476
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku537452.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku537452.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 13803⤵
- Program crash
PID:4508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4524 -ip 45241⤵PID:3056
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
14KB
MD5679e2fb590e993f2009fd37a069c8c81
SHA1666c2773e8715c34e544f377264adab4f6112e8a
SHA256827ffe1495757c587d273f213a014d1bdc2eec223ed03fe3242ad739ff37d5fa
SHA512f075a6593598427320ebdef163695353ce0429602c6529ff140c89d0843aa2c02c58a6ad6319e833dda7759214b779a5a56daeabc72589ba01a87d1c95b98b6a
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Filesize
426KB
MD5c7bbf6d2038f50d504689cf54472ad8d
SHA1ad3aa02ef40237663a2d4610b4944f34d3d55413
SHA256aff7303cbacf530610965d605b8f0b40643607806fb6cb35a3f506acf0cd75a6
SHA512064cc4e9c32f97b527a64854f5e79fabf5cbcbf6a0b94095c29d75206c151b929efe73ebd449d47e3e62d9cdfb96e9f250bcbc9b6f4381cd42a30503d593a7b1
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0