Analysis
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max time kernel
145s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-10-2024 12:27
Static task
static1
Behavioral task
behavioral1
Sample
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe
Resource
win10v2004-20241007-en
General
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Target
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe
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Size
658KB
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MD5
fb5bbc1bf21e12a65a4c7e1c619c6cdd
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SHA1
c402b0ca6fb8249b97b53922fd5ad905c7810762
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SHA256
a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6
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SHA512
63ad8b041cdb69979017307b29952803209c18a1429b46dc76c5e25066d65f5d0d46c4e905b467827225cb2ba6f51efc5cdfa126bfc76a22a087b3ba88383e44
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SSDEEP
12288:iMruy90uCEeYYvzskk/MeaDS6lIg6BF54ztBn2grAgbSjuSW6Sfu2zcN:EybCDVY1/UDSdK721gPZ6SfZzcN
Malware Config
Extracted
redline
rosto
hueref.eu:4162
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auth_value
07d81eba8cad42bbd0ae60042d48eac6
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/2116-19-0x0000000002750000-0x000000000276A000-memory.dmp healer behavioral1/memory/2116-21-0x0000000005210000-0x0000000005228000-memory.dmp healer behavioral1/memory/2116-37-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-25-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-49-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-47-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-45-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-43-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-42-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-39-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-35-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-33-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-31-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-29-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-27-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-23-0x0000000005210000-0x0000000005222000-memory.dmp healer behavioral1/memory/2116-22-0x0000000005210000-0x0000000005222000-memory.dmp healer -
Healer family
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" ursO82Js18.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" ursO82Js18.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/2416-60-0x00000000022A0000-0x00000000022E6000-memory.dmp family_redline behavioral1/memory/2416-61-0x00000000025B0000-0x00000000025F4000-memory.dmp family_redline behavioral1/memory/2416-69-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-73-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-71-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-89-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-67-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-65-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-63-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-62-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-83-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-95-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-93-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-91-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-87-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-85-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-81-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-79-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-77-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline behavioral1/memory/2416-75-0x00000000025B0000-0x00000000025EE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 4260 yckh66Qy39.exe 2116 ursO82Js18.exe 2416 wrkL62zM92.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" ursO82Js18.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features ursO82Js18.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\\\"" a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.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\\\"" yckh66Qy39.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1872 2116 WerFault.exe 85 -
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 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language yckh66Qy39.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ursO82Js18.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language wrkL62zM92.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2116 ursO82Js18.exe 2116 ursO82Js18.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2116 ursO82Js18.exe Token: SeDebugPrivilege 2416 wrkL62zM92.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4948 wrote to memory of 4260 4948 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 84 PID 4948 wrote to memory of 4260 4948 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 84 PID 4948 wrote to memory of 4260 4948 a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe 84 PID 4260 wrote to memory of 2116 4260 yckh66Qy39.exe 85 PID 4260 wrote to memory of 2116 4260 yckh66Qy39.exe 85 PID 4260 wrote to memory of 2116 4260 yckh66Qy39.exe 85 PID 4260 wrote to memory of 2416 4260 yckh66Qy39.exe 99 PID 4260 wrote to memory of 2416 4260 yckh66Qy39.exe 99 PID 4260 wrote to memory of 2416 4260 yckh66Qy39.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe"C:\Users\Admin\AppData\Local\Temp\a63829281858f445f40f3ee2ef0a143673ea61da232882ac442b6422a88f54b6.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckh66Qy39.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\yckh66Qy39.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursO82Js18.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursO82Js18.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:2116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 10804⤵
- Program crash
PID:1872
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkL62zM92.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrkL62zM92.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2416
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2116 -ip 21161⤵PID:392
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
513KB
MD53b5adf0a02305e4ba3a8cfffd3fa327d
SHA16b214cd9fa758cc86231b3604ea72344214e851f
SHA256cbf60872fe44817358383248aba795ce15b891f3bd9db18d4c61d0d4e22b0bb4
SHA51254a99c607662be3d55bd7cb99ec259fbe9466903f9624d58b279148677b1eaa945454ca22c753ea13f1d2b67677c030e7b04ccdceb2e56963c77b6075de67b1b
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Filesize
232KB
MD51d8450c22d0685062fa559346d97c2f9
SHA194d2edc27c9ad87acf29421aa6088fd2a44656ab
SHA256202b3d8198df3df67a813cc982b0b8633d7b37b9e2989b095b2f11003dd19d4e
SHA5122ce62c12a659a5f4b57cb2c603a14e9582f317b4c2f154ce83660f9eb1ab75586c146b7b939d2b6f920602c762e22c6c543a5d4edc2d51bb693bfc21f9c43c58
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Filesize
289KB
MD5f0e44cc1d3ea3d0f271600614f465e1c
SHA16d4deac97a138ee4b71ff26d81873ad0f6087215
SHA256b5c957666de5d36b238029df439991d3aae2a0351e983b641989e13d254fe52c
SHA5129dc227622c328ecdc9e29390eacdd04cc8c5a405a483068f0104989e4f29e46957b1c2b92d66a5d1a08b59d5172bb4d2729509f2ef9eff6c9cbf553280e261f8