Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10-11-2024 17:40
Static task
static1
Behavioral task
behavioral1
Sample
c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe
Resource
win10v2004-20241007-en
General
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Target
c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe
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Size
925KB
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MD5
0584afd1bd15a6aa373f18e2c76dad11
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SHA1
4adb48b2008c43b92c17c9ddca9ba678b44fc090
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SHA256
c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f
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SHA512
765ae9acba6b3f21c2e734aebcb53a5dbcc04ab06e7394b9a9ec8ade87fa49c50bbdfc94fb38c842c09fa0a6bd2964e360e4ef370eecb72be3ce2a867a96bcb2
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SSDEEP
24576:EyQCKkHswbMppNoJmLAHuScZ2Wxt3G8ktifLwy+G:TRKkMtqyAOScZJt3G8yicV
Malware Config
Extracted
redline
norm
77.91.124.145:4125
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auth_value
1514e6c0ec3d10a36f68f61b206f5759
Extracted
redline
droz
77.91.124.145:4125
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auth_value
d099adf6dbf6ccb8e16967104280634a
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023cb8-19.dat healer behavioral1/memory/3396-22-0x0000000000AC0000-0x0000000000ACA000-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\DisableScanOnRealtimeEnable = "1" it105016.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection it105016.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" it105016.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" it105016.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" it105016.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" it105016.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 5 IoCs
resource yara_rule behavioral1/memory/672-2112-0x0000000005540000-0x0000000005572000-memory.dmp family_redline behavioral1/files/0x000a00000001e596-2117.dat family_redline behavioral1/memory/5144-2125-0x00000000006D0000-0x0000000000700000-memory.dmp family_redline behavioral1/files/0x0007000000023cb6-2134.dat family_redline behavioral1/memory/4104-2136-0x0000000000010000-0x000000000003E000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation jr943329.exe -
Executes dropped EXE 6 IoCs
pid Process 3528 ziXx8434.exe 1444 ziaJ8438.exe 3396 it105016.exe 672 jr943329.exe 5144 1.exe 4104 kp358743.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" it105016.exe -
Adds Run key to start application 2 TTPs 3 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\\\"" c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.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\\\"" ziXx8434.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" ziaJ8438.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 5472 672 WerFault.exe 97 -
System Location Discovery: System Language Discovery 1 TTPs 6 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 ziaJ8438.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jr943329.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language kp358743.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ziXx8434.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3396 it105016.exe 3396 it105016.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3396 it105016.exe Token: SeDebugPrivilege 672 jr943329.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2752 wrote to memory of 3528 2752 c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe 83 PID 2752 wrote to memory of 3528 2752 c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe 83 PID 2752 wrote to memory of 3528 2752 c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe 83 PID 3528 wrote to memory of 1444 3528 ziXx8434.exe 84 PID 3528 wrote to memory of 1444 3528 ziXx8434.exe 84 PID 3528 wrote to memory of 1444 3528 ziXx8434.exe 84 PID 1444 wrote to memory of 3396 1444 ziaJ8438.exe 86 PID 1444 wrote to memory of 3396 1444 ziaJ8438.exe 86 PID 1444 wrote to memory of 672 1444 ziaJ8438.exe 97 PID 1444 wrote to memory of 672 1444 ziaJ8438.exe 97 PID 1444 wrote to memory of 672 1444 ziaJ8438.exe 97 PID 672 wrote to memory of 5144 672 jr943329.exe 98 PID 672 wrote to memory of 5144 672 jr943329.exe 98 PID 672 wrote to memory of 5144 672 jr943329.exe 98 PID 3528 wrote to memory of 4104 3528 ziXx8434.exe 103 PID 3528 wrote to memory of 4104 3528 ziXx8434.exe 103 PID 3528 wrote to memory of 4104 3528 ziXx8434.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe"C:\Users\Admin\AppData\Local\Temp\c4949a2ecd1142962ea1071013e97163e40ea61aa238809276ac598e3ba60c0f.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziXx8434.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziXx8434.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3528 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ziaJ8438.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ziaJ8438.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444 -
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\it105016.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\it105016.exe4⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3396
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C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jr943329.exeC:\Users\Admin\AppData\Local\Temp\IXP002.TMP\jr943329.exe4⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:672 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"5⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 672 -s 13765⤵
- Program crash
PID:5472
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp358743.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp358743.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 672 -ip 6721⤵PID:5348
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
Loading Replay Monitor...
Downloads
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Filesize
661KB
MD50ef0ba9213958885e6c9d088b2e8a23f
SHA1d51732bd91ba895c07506acaa433326b0d984833
SHA2560f08e913f003933c0d754f0ba5fd72f4cd8e05545e659176015f48b356e017f6
SHA512dbca10bcdf871179fb625d9b5a971dab4c21e8b59d17ee23432d78d6b7373a6d57941f72c04bf1ab6993e5f0f5b23601253930a8b71ca078a99cdf6a45681cfb
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Filesize
168KB
MD5c8c570bc021d100741df808936d37273
SHA1f316fbce825d2c9f3177da0bfec86701b1ec5964
SHA25633e6d0aa26c955916f928e3fedee3903878ec718628f70f07b4013c908d97735
SHA5125e7ecdebf7175c793eb38cb27d69f07800f5fcd6ae6b23388978a55b1d0e13c112778d2b95938b9fa439dffcc70cb4a56d42c68e8e7ebd59e6d0776a0f117a5c
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Filesize
507KB
MD5748e2929508ad4c708b4d3bdca4590b6
SHA13afbbfdbc72b8a8b2465772f1d8e47c0e57af047
SHA25697b5370177aaa153962682f696f3dd7e28a2221163eabd4b2ff93edd5e30cd67
SHA512cb29ce6792b6ebede7bd8c484d8a09aa3e496e3234e573f283dfea3d55166b26eeb33b757c00f4770a454b05ce3469fc97302d71d524ce8b4e2a3d9b697c70d9
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Filesize
15KB
MD5cc7d5c61afdbd0705a987c5ed6602712
SHA1b12346828865ab520a024dac07e56ea332581202
SHA25662e51cd11bb633cbd9d9225c0ea966043618c2eadcf7f2e41a626dca1acf27e8
SHA51279db4dca2d4bd80e233c6e0f1f49b59a2bfa06ecd731f06e9531a37ab0b6a89402fa3ec3103e61052cbe7ba0611f1232591c067f81f0694080bd9340d8c633e7
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Filesize
426KB
MD5335454e7bcbf4b957fdfdba2f8969856
SHA1d581c1899258d32b0f3dd1abbed9cd937721eb73
SHA2563808a67786f81c271504d2f1231f24895e7bb5548fcf0875a0b24535e055d082
SHA512e90572decf110e0c24452e769ff007d9a8fbe3ddfb9478d043e30b163c6efc83ded8308846a52bf3ed9990d1cbe0af268f29b1ab483ba05a0c15aa2e2511e50d
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0