Analysis
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max time kernel
149s -
max time network
150s -
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 20:21
Static task
static1
Behavioral task
behavioral1
Sample
b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe
Resource
win10v2004-20241007-en
General
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Target
b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe
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Size
470KB
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MD5
b80ad760293dc0f84f5f7d6cd7e3bd5c
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SHA1
89c0f5ab431b74f02c3dbbc21d654c94386b6a4a
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SHA256
b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe
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SHA512
ea9290385c3dde18dee477e7a5339e080d13d570fd09b024e6fc5d104348951c9637afd6572a4cd57e493a7c7d7c6a10f0d856747d681fcab63bc363d8744841
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SSDEEP
12288:7Mrny90t3RZl7CAIJbGcoTyVW/D3JkWPBv:QywhZl7CAItGcoT2WTRBv
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 17 IoCs
resource yara_rule behavioral1/memory/5104-19-0x0000000002600000-0x000000000261A000-memory.dmp healer behavioral1/memory/5104-21-0x0000000002700000-0x0000000002718000-memory.dmp healer behavioral1/memory/5104-22-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-49-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-48-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-45-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-43-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-41-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-39-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-37-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-35-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-33-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-31-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-29-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-27-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-25-0x0000000002700000-0x0000000002712000-memory.dmp healer behavioral1/memory/5104-23-0x0000000002700000-0x0000000002712000-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 bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" bLx36ns.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/0x000a000000023b7a-57.dat family_redline behavioral1/memory/4636-59-0x0000000000080000-0x00000000000B2000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 3292 nwp67yU.exe 5104 bLx36ns.exe 4636 dtH14wq.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features bLx36ns.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" bLx36ns.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\\\"" b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.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\\\"" nwp67yU.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1692 5104 WerFault.exe 87 -
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 b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nwp67yU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language bLx36ns.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dtH14wq.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5104 bLx36ns.exe 5104 bLx36ns.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5104 bLx36ns.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2672 wrote to memory of 3292 2672 b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe 86 PID 2672 wrote to memory of 3292 2672 b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe 86 PID 2672 wrote to memory of 3292 2672 b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe 86 PID 3292 wrote to memory of 5104 3292 nwp67yU.exe 87 PID 3292 wrote to memory of 5104 3292 nwp67yU.exe 87 PID 3292 wrote to memory of 5104 3292 nwp67yU.exe 87 PID 3292 wrote to memory of 4636 3292 nwp67yU.exe 98 PID 3292 wrote to memory of 4636 3292 nwp67yU.exe 98 PID 3292 wrote to memory of 4636 3292 nwp67yU.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe"C:\Users\Admin\AppData\Local\Temp\b46c1dbb383a21b7b68b4d6e109de51a1b812f3e159f548a8a6da1d0f7269afe.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp67yU.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nwp67yU.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3292 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLx36ns.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bLx36ns.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:5104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5104 -s 10804⤵
- Program crash
PID:1692
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtH14wq.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dtH14wq.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 5104 -ip 51041⤵PID:4460
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
366KB
MD53842678868f0db5f81d8f272b9c5827c
SHA1929e6afb20729963a4b2574e4a914be05abfec75
SHA256cb183acc35bcf2459321b15a6a886a102feb5b93ff18fbd9bf8fa4962dc40f07
SHA512248b2708b405146725b403ee1f41c945cfb4310fbf4a5717fce5a4e83bcd9b81b0cca59ddb49a0f2dddb3691108ab1e18144e77e93dcb30e672d50babbcc8fc7
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Filesize
220KB
MD5fd815ed5f97b5a0c8091f3f8d5125673
SHA18e062e61dc7fb58a3301741aa4c34b259e3e9b25
SHA2567f2e56fcc1d09a924faf8e9fd38f4781aa79d6d895e8d068d093b4201a3f08e7
SHA512e47b639e4692101ea444ee22b99d638c521ae5c5e8f27b16f9c2f335ab3a242bf0deb51f52a9e75ccb40edffa8bbaaa6cf8915ff74e10be79fbd697fe8ee96b7
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Filesize
175KB
MD5a5f5c5d6291c7ae9e1d1b7ed1e551490
SHA13d06413341893b838549939e15f8f1eec423d71a
SHA2561a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e
SHA512d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2