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Analysis
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max time kernel
129s -
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
11/11/2024, 07:29
Static task
static1
Behavioral task
behavioral1
Sample
40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe
Resource
win10v2004-20241007-en
General
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Target
40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe
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Size
481KB
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MD5
18c3c9c0f30ff9e15e98ed6c0b8b94c2
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SHA1
bda7d3f97eb6f33f7c8e5c634e6e11ae3276bc61
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SHA256
40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404
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SHA512
0df42c1105ce791a3ac6d403450de4a87f4bd9b653a7159a8e871bca68e0f816a97e2d9c37c27c97224ba8c8efac620f87373e2def144a5fcfe2c59551b1420e
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SSDEEP
6144:KJy+bnr+Vp0yN90QE/OxuSmd1qWcq9kVTDtpR/U0G5Zk1AUVkoqOzpe+bcOrCBkp:nMrJy90JOxuh1VspRZ1AUTqSs+qBkp
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/0x0008000000023cb6-12.dat healer behavioral1/memory/1300-15-0x0000000000FD0000-0x0000000000FDA000-memory.dmp healer behavioral1/memory/5100-22-0x0000000002270000-0x000000000228A000-memory.dmp healer behavioral1/memory/5100-24-0x0000000002590000-0x00000000025A8000-memory.dmp healer behavioral1/memory/5100-32-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-52-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-50-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-48-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-47-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-44-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-42-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-41-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-38-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-36-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-34-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-30-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-28-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-26-0x0000000002590000-0x00000000025A2000-memory.dmp healer behavioral1/memory/5100-25-0x0000000002590000-0x00000000025A2000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dbF15kC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dbF15kC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dbF15kC.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" efJ90Vz.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dbF15kC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dbF15kC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dbF15kC.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/0x0007000000023cb4-57.dat family_redline behavioral1/memory/4112-59-0x0000000000440000-0x0000000000472000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 3612 nPp33eF15.exe 1300 dbF15kC.exe 5100 efJ90Vz.exe 4112 fzL63Ea.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dbF15kC.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features efJ90Vz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" efJ90Vz.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\\\"" 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.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\\\"" nPp33eF15.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4220 5100 WerFault.exe 92 -
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 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nPp33eF15.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language efJ90Vz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fzL63Ea.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1300 dbF15kC.exe 1300 dbF15kC.exe 5100 efJ90Vz.exe 5100 efJ90Vz.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1300 dbF15kC.exe Token: SeDebugPrivilege 5100 efJ90Vz.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 896 wrote to memory of 3612 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 83 PID 896 wrote to memory of 3612 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 83 PID 896 wrote to memory of 3612 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 83 PID 3612 wrote to memory of 1300 3612 nPp33eF15.exe 84 PID 3612 wrote to memory of 1300 3612 nPp33eF15.exe 84 PID 3612 wrote to memory of 5100 3612 nPp33eF15.exe 92 PID 3612 wrote to memory of 5100 3612 nPp33eF15.exe 92 PID 3612 wrote to memory of 5100 3612 nPp33eF15.exe 92 PID 896 wrote to memory of 4112 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 97 PID 896 wrote to memory of 4112 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 97 PID 896 wrote to memory of 4112 896 40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe"C:\Users\Admin\AppData\Local\Temp\40affe9c9bcd35385304d0990930992859cc2ea2887bfba032181770f9f67404.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPp33eF15.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPp33eF15.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3612 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbF15kC.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbF15kC.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1300
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efJ90Vz.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\efJ90Vz.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:5100 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5100 -s 10804⤵
- Program crash
PID:4220
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fzL63Ea.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fzL63Ea.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5100 -ip 51001⤵PID:4480
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
337KB
MD59d5e2c958171619634aac4de89e4dad8
SHA1e4131d5dbf1e9dba92f76043f3475b3cfc526e3a
SHA2563d01675b4f4b224b908aa9fdb7bcfe41f075e34011b948d0552553245ea1bcfc
SHA512a61354b86380a20adaf9927748b47b2934a0e5c6a84d054ef37980cba18a53897ba48b5f59e8336130d7159b84c8fea6039eb6a5418517bbe3246f840c6e41cb
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
245KB
MD5d23b6e7f93be0600ef70b88eba0b02e9
SHA17c173033fa51159637ce720cb649aee8cc1b5e1a
SHA25631cde2aab228129ca55f961c3eeb3e774cf25888f4efd33565193fe483e36f12
SHA512f66e8ef13b54109de28bbc92cdca91047283f12bb54a07ded4dd605bee956bde27ad36c45944ba7f2d890a063e15957c1b3c8d376658aec6404896c187c55f98