Analysis
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max time kernel
135s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-11-2024 06:33
Static task
static1
Behavioral task
behavioral1
Sample
67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe
Resource
win10v2004-20241007-en
General
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Target
67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe
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Size
478KB
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MD5
eb2a642e6e3087a6929292c797a84bf6
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SHA1
e66d85626954feab400869a0067d97096ddc2551
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SHA256
67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664
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SHA512
96a7f61cdbb54f18079567c9b9c876facdcc846ec7793ac6c0ccc0334516638fdad26af23ea8021ed8fbe6ac268d7a72cae044ce323e2e28db3334d2f655a9da
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SSDEEP
6144:KXy+bnr+Wp0yN90QEiIOTx/LN6blf1kr32kQzB0PlOerQwBiITw65Pktt09b4Ic4:1Mriy908IS/xK6mT2TT5hxkta9bc52
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 19 IoCs
resource yara_rule behavioral1/files/0x000a000000023bc9-12.dat healer behavioral1/memory/1628-15-0x0000000000820000-0x000000000082A000-memory.dmp healer behavioral1/memory/4596-22-0x00000000021D0000-0x00000000021EA000-memory.dmp healer behavioral1/memory/4596-24-0x00000000027F0000-0x0000000002808000-memory.dmp healer behavioral1/memory/4596-36-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-40-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-52-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-50-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-48-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-46-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-45-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-43-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-38-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-34-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-32-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-28-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-26-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-25-0x00000000027F0000-0x0000000002802000-memory.dmp healer behavioral1/memory/4596-31-0x00000000027F0000-0x0000000002802000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dRd56ex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dRd56ex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dRd56ex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dRd56ex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dRd56ex.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dRd56ex.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eKT91fj.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/0x0008000000023bc3-57.dat family_redline behavioral1/memory/3204-59-0x0000000000CC0000-0x0000000000CF2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 1924 nsW27zN14.exe 1628 dRd56ex.exe 4596 eKT91fj.exe 3204 flA67lL.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eKT91fj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dRd56ex.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\\\"" 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.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\\\"" nsW27zN14.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3976 4596 WerFault.exe 95 -
System Location Discovery: System Language Discovery 1 TTPs 4 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 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nsW27zN14.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eKT91fj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language flA67lL.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1628 dRd56ex.exe 1628 dRd56ex.exe 4596 eKT91fj.exe 4596 eKT91fj.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1628 dRd56ex.exe Token: SeDebugPrivilege 4596 eKT91fj.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2148 wrote to memory of 1924 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 85 PID 2148 wrote to memory of 1924 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 85 PID 2148 wrote to memory of 1924 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 85 PID 1924 wrote to memory of 1628 1924 nsW27zN14.exe 86 PID 1924 wrote to memory of 1628 1924 nsW27zN14.exe 86 PID 1924 wrote to memory of 4596 1924 nsW27zN14.exe 95 PID 1924 wrote to memory of 4596 1924 nsW27zN14.exe 95 PID 1924 wrote to memory of 4596 1924 nsW27zN14.exe 95 PID 2148 wrote to memory of 3204 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 99 PID 2148 wrote to memory of 3204 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 99 PID 2148 wrote to memory of 3204 2148 67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe"C:\Users\Admin\AppData\Local\Temp\67ac1dfa10c6afcdde2c3bdad5ab815d08c927260c2dadfc896432e832fe5664.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsW27zN14.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nsW27zN14.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dRd56ex.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dRd56ex.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eKT91fj.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eKT91fj.exe3⤵
- 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:4596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 10884⤵
- Program crash
PID:3976
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flA67lL.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\flA67lL.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4596 -ip 45961⤵PID:3532
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
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
334KB
MD5d95569cf1306565c5c33b786d32fc43f
SHA18deae51b128b6e527f529436c4226f80d0eaf13e
SHA2563f40b5ae4a816a77e017e8511d44b393e991faab3d5109c502479b80fb9cefa9
SHA5122e081ffc6d6cc186f84e59bf94685d8369212505bb0fac000f52c1a5418ca7266d5b80e1cb99bb3e740fe46540dce8c92429fdc7f615170e42d0e8d8194441ab
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
241KB
MD5f2bcb17a128cbfa928ca290d240f9601
SHA1487e8bd83d6aa5a8633562ff09254ae922f158f6
SHA256986bc0236c044a0f4a4e94f3232e1d7d34ce488c289639e059456fb80184b2e6
SHA5124ee4abb1b4c7d4c23e9e40d9ab857b72fbf36f5688bcbb5a4b674620843a0f3f5fed178405f2ac587f9e2a56c91cb1b0d584ff876c5e5639f91fb42b76b1e923