Analysis
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max time kernel
139s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
05-11-2024 09:23
Static task
static1
Behavioral task
behavioral1
Sample
d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe
Resource
win10v2004-20241007-en
General
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Target
d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe
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Size
483KB
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MD5
d5cb5f0d24aa30e5585e070a60254d22
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SHA1
05f6e52fe47929db31e19483df3f266b0e93f35a
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SHA256
d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3
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SHA512
f5b04c35db7635555466a0c557829bf31a07cd584e1612090a9a50bf01fa4c7c800fb6d204c5056aaba80a4563fff86930bfaf1d7fae7160a10bbdad9abe4a91
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SSDEEP
6144:KVy+bnr+Sp0yN90QELsmdjKpACIbJ8WcbZHSEKtiXI44c/Xyh//YSyVFmULylQLQ:3MrWy90FxVMcEK5cieFmULylQLZZeZ
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/0x0008000000023c8a-13.dat healer behavioral1/memory/3092-15-0x0000000000FA0000-0x0000000000FAA000-memory.dmp healer behavioral1/memory/4452-21-0x00000000021E0000-0x00000000021FA000-memory.dmp healer behavioral1/memory/4452-23-0x0000000004B40000-0x0000000004B58000-memory.dmp healer behavioral1/memory/4452-24-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-33-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-51-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-50-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-47-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-45-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-44-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-41-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-39-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-37-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-35-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-31-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-29-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-27-0x0000000004B40000-0x0000000004B52000-memory.dmp healer behavioral1/memory/4452-25-0x0000000004B40000-0x0000000004B52000-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\DisableBehaviorMonitoring = "1" esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" esi32du.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dHW47IV.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dHW47IV.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dHW47IV.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dHW47IV.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dHW47IV.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dHW47IV.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/0x0007000000023c88-57.dat family_redline behavioral1/memory/3396-58-0x0000000000A90000-0x0000000000AC2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 5000 nNv20DL32.exe 3092 dHW47IV.exe 4452 esi32du.exe 3396 fxE30hM.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dHW47IV.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features esi32du.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" esi32du.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\\\"" d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.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\\\"" nNv20DL32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3196 4452 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 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nNv20DL32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language esi32du.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fxE30hM.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3092 dHW47IV.exe 3092 dHW47IV.exe 4452 esi32du.exe 4452 esi32du.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3092 dHW47IV.exe Token: SeDebugPrivilege 4452 esi32du.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1816 wrote to memory of 5000 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 84 PID 1816 wrote to memory of 5000 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 84 PID 1816 wrote to memory of 5000 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 84 PID 5000 wrote to memory of 3092 5000 nNv20DL32.exe 85 PID 5000 wrote to memory of 3092 5000 nNv20DL32.exe 85 PID 5000 wrote to memory of 4452 5000 nNv20DL32.exe 95 PID 5000 wrote to memory of 4452 5000 nNv20DL32.exe 95 PID 5000 wrote to memory of 4452 5000 nNv20DL32.exe 95 PID 1816 wrote to memory of 3396 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 102 PID 1816 wrote to memory of 3396 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 102 PID 1816 wrote to memory of 3396 1816 d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe"C:\Users\Admin\AppData\Local\Temp\d1f9e5235c3beabb86308f607fb7200fb37e6ca2372b856d930bad76921716c3.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1816 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNv20DL32.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nNv20DL32.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5000 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHW47IV.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dHW47IV.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3092
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\esi32du.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\esi32du.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:4452 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 10764⤵
- Program crash
PID:3196
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxE30hM.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fxE30hM.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4452 -ip 44521⤵PID:2992
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
338KB
MD5a6378317bb1fcf729f3358243f72bd87
SHA127b5c06b101cc2e7e663784d2da0810b06df143e
SHA256d3d7b3899f34b0c7de66b26b8f404e280c64de9d3733066b8eed30361bda8ee7
SHA512ff475161c5e10d11e952e07d5624d460d8ae311a63d97a6c333692b717b84322ec3e51aa306df67ccbaa41a7370a7d2339a5ae2ac25ac318355e61f8a0b1edad
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
257KB
MD5813b1f4920c48d60a9252589ffaaf254
SHA1912df3fbb9b0c3c9fe7e29e98ccf06e293204380
SHA25665c7a6312fab0125e333198089d7ea106ef6a369181f1e7e8f8ae95c04c8e8f0
SHA512853845a43d06cd10802c41329b3e8d81d5c9104bd51f47fc56f5634eb2ff079616c5561d5789ba50033a679efdf825a311447abc31e4976f2cf9999efef516c9