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Analysis
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max time kernel
127s -
max time network
143s -
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, 16:36
Static task
static1
Behavioral task
behavioral1
Sample
997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe
Resource
win10v2004-20241007-en
General
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Target
997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe
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Size
478KB
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MD5
204342f170e75e23af8a9c320266961d
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SHA1
424f56fcaa83923a58be4c0d8ba2a60466d2a4c7
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SHA256
997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c
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SHA512
82d5312e6cd89a387768e4522ca39b32294b9bb427ae0eabd4ef4e423d0c659865dcd5fed96bef8c3cc1f684bdb77507d8472e85848c85e046fa0d7ad3e67e10
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SSDEEP
12288:yMr8y90dQTBpayTbzVziDw/AHhZobwwt:Syws7ay/zNiDbHYEs
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/0x000b000000023b33-12.dat healer behavioral1/memory/2244-15-0x0000000000B70000-0x0000000000B7A000-memory.dmp healer behavioral1/memory/4956-22-0x00000000026B0000-0x00000000026CA000-memory.dmp healer behavioral1/memory/4956-24-0x0000000002810000-0x0000000002828000-memory.dmp healer behavioral1/memory/4956-25-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-34-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-50-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-48-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-46-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-45-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-42-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-40-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-38-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-36-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-32-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-30-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-28-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-26-0x0000000002810000-0x0000000002822000-memory.dmp healer behavioral1/memory/4956-52-0x0000000002810000-0x0000000002822000-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" eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dbj21Ub.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dbj21Ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" eHB43xy.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dbj21Ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dbj21Ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dbj21Ub.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dbj21Ub.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/0x000a000000023b31-58.dat family_redline behavioral1/memory/868-59-0x0000000000200000-0x0000000000232000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 4840 nwp36TZ50.exe 2244 dbj21Ub.exe 4956 eHB43xy.exe 868 fKo46nQ.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dbj21Ub.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features eHB43xy.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" eHB43xy.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_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" nwp36TZ50.exe 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\\\"" 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4560 4956 WerFault.exe 98 -
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 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nwp36TZ50.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eHB43xy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fKo46nQ.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2244 dbj21Ub.exe 2244 dbj21Ub.exe 4956 eHB43xy.exe 4956 eHB43xy.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2244 dbj21Ub.exe Token: SeDebugPrivilege 4956 eHB43xy.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3272 wrote to memory of 4840 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 83 PID 3272 wrote to memory of 4840 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 83 PID 3272 wrote to memory of 4840 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 83 PID 4840 wrote to memory of 2244 4840 nwp36TZ50.exe 84 PID 4840 wrote to memory of 2244 4840 nwp36TZ50.exe 84 PID 4840 wrote to memory of 4956 4840 nwp36TZ50.exe 98 PID 4840 wrote to memory of 4956 4840 nwp36TZ50.exe 98 PID 4840 wrote to memory of 4956 4840 nwp36TZ50.exe 98 PID 3272 wrote to memory of 868 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 107 PID 3272 wrote to memory of 868 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 107 PID 3272 wrote to memory of 868 3272 997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe"C:\Users\Admin\AppData\Local\Temp\997d2836e5defc1ecb8f6782a40321f50391c0b901442bd4e3d995232af98b8c.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3272 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp36TZ50.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dbj21Ub.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\eHB43xy.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:4956 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 10804⤵
- Program crash
PID:4560
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fKo46nQ.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4956 -ip 49561⤵PID:4556
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
333KB
MD58d67ecbb52acccfe7592974236a8e144
SHA19631c33b791b42c8b068891703bc3cb19beeda5c
SHA25669e4848631c84ee0acbf0c2eabfff5acb3f8f00395165111f4247b7dce2c8a64
SHA5120963812e5543739323a7e200a5e7b1894bbb1ba98ec60593f00bbbd77a408ae48544fc7092febe0c000577026df869dcff6afcab5e86b093ad20a54af0277635
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
235KB
MD5af46fb17041be29f19051c67b043220e
SHA198b0491ed01c00ddbbc2fe0b276372a1b815cced
SHA2561c9691dfabf284f47947e4bbebb7e0991a75eb18824aaaf3ccbe21137cbca901
SHA512ffae0009b976e86d724afdffc53d82477dc62c5ed182df7701a2953300a780ca43fec192a974ef6d80820a4c8a4e1adaa9784eef6b8ac9d45f0c604dabff85ea