Analysis
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max time kernel
128s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 19:19
Static task
static1
Behavioral task
behavioral1
Sample
a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe
Resource
win10v2004-20241007-en
General
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Target
a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe
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Size
499KB
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MD5
cc4edf2669fca1847dde427c95a2aecf
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SHA1
b1317ddd3082c2d4102d52817a4e34e2f5752c4b
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SHA256
a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14
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SHA512
747521ab3e27c147b7be53652ee438eb37d5eaca181cb8ef493f2803bfec20878e3d2fb9139419423f7f1816da614d4214726470575fa2e414a4fa0ddae0594f
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SSDEEP
12288:TMrMy90geTd7Lk4NuW/bitfgYTjrcG12sL:HySTd84NuW/k48c82sL
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/0x0008000000023c8b-13.dat healer behavioral1/memory/4836-15-0x0000000000AD0000-0x0000000000ADA000-memory.dmp healer behavioral1/memory/3068-22-0x00000000023C0000-0x00000000023DA000-memory.dmp healer behavioral1/memory/3068-24-0x0000000004B60000-0x0000000004B78000-memory.dmp healer behavioral1/memory/3068-38-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-50-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-52-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-48-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-46-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-44-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-42-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-40-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-37-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-34-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-32-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-30-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-28-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-26-0x0000000004B60000-0x0000000004B72000-memory.dmp healer behavioral1/memory/3068-25-0x0000000004B60000-0x0000000004B72000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dCU29Zr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dCU29Zr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dCU29Zr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dCU29Zr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dCU29Zr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dCU29Zr.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" euJ65BC.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/0x0007000000023c89-57.dat family_redline behavioral1/memory/4392-59-0x0000000000780000-0x00000000007B2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 4216 ncq68hM36.exe 4836 dCU29Zr.exe 3068 euJ65BC.exe 4392 fcf23kQ.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" euJ65BC.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dCU29Zr.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\\\"" a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.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\\\"" ncq68hM36.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1088 3068 WerFault.exe 96 -
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 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ncq68hM36.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language euJ65BC.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fcf23kQ.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4836 dCU29Zr.exe 4836 dCU29Zr.exe 3068 euJ65BC.exe 3068 euJ65BC.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4836 dCU29Zr.exe Token: SeDebugPrivilege 3068 euJ65BC.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4868 wrote to memory of 4216 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 83 PID 4868 wrote to memory of 4216 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 83 PID 4868 wrote to memory of 4216 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 83 PID 4216 wrote to memory of 4836 4216 ncq68hM36.exe 84 PID 4216 wrote to memory of 4836 4216 ncq68hM36.exe 84 PID 4216 wrote to memory of 3068 4216 ncq68hM36.exe 96 PID 4216 wrote to memory of 3068 4216 ncq68hM36.exe 96 PID 4216 wrote to memory of 3068 4216 ncq68hM36.exe 96 PID 4868 wrote to memory of 4392 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 101 PID 4868 wrote to memory of 4392 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 101 PID 4868 wrote to memory of 4392 4868 a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe"C:\Users\Admin\AppData\Local\Temp\a476a46785a69979055ac387803770e576314302406038006465aaf28783ea14.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ncq68hM36.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dCU29Zr.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4836
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\euJ65BC.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:3068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3068 -s 10124⤵
- Program crash
PID:1088
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fcf23kQ.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3068 -ip 30681⤵PID:1804
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
Loading Replay Monitor...
Downloads
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2
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Filesize
355KB
MD5642c3dffe62f8633fa7085c292c82b71
SHA1d46ed9841a1e43fdbacc97009dcf11d176a975f5
SHA256be13154b1c03aa824807bfcfdefbcab56dbea334cbb639f7489c9689e1c3c6e7
SHA5124d2526594928294f72d60dbe7e131db221bf96cd228928bf80cd2539923338c312c14b872f4351661bad0c479c29066825879cc551e63257dc8e769721197361
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
295KB
MD5dd0adf92524d842b17843e3a38769564
SHA14b34fbf5dade2193630f92053be9f0dcfe563d3c
SHA256489cdd40de47bde8a31100897afafb3213c01de9cab0bc656e3cbf01c48e3682
SHA5127fbb9c9ad3df3bfd0ae3741bf76c92bdd9ea3f23e1316f4948a60e1efc3ff6dcbd4d37d7da725659fa38a0cbc0fc41d1dc85515d56b15af5cbf891bfe6853bc2