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Analysis
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max time kernel
127s -
max time network
144s -
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, 11:41
Static task
static1
Behavioral task
behavioral1
Sample
3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe
Resource
win10v2004-20241007-en
General
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Target
3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe
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Size
484KB
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MD5
d34c8daec0857501415d1d5c1226dd33
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SHA1
ebe5f0a615efb5ef3787324539a289571e52344e
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SHA256
3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc
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SHA512
fad88abf636e1370ca801dcfd9f707e1e9d91e8b6a325ec7dca62c15d8b2fc1dcf8b452dac971ee893c519365a8fba8762a9af31fc752e71f32be5eabffcca43
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SSDEEP
12288:WMrsy90Fixx+UxocCDL02Kgr4wsjDMIP65:Oy/FudLqY4lMIP65
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/0x0009000000023c04-12.dat healer behavioral1/memory/3468-15-0x0000000000740000-0x000000000074A000-memory.dmp healer behavioral1/memory/1596-22-0x0000000002730000-0x000000000274A000-memory.dmp healer behavioral1/memory/1596-24-0x0000000004C40000-0x0000000004C58000-memory.dmp healer behavioral1/memory/1596-25-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-40-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-52-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-50-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-48-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-46-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-44-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-42-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-38-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-36-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-34-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-32-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-30-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-28-0x0000000004C40000-0x0000000004C52000-memory.dmp healer behavioral1/memory/1596-26-0x0000000004C40000-0x0000000004C52000-memory.dmp healer -
Healer family
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" dsV00Jv.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection evf41hu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" evf41hu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" evf41hu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" evf41hu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection dsV00Jv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" dsV00Jv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" dsV00Jv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" dsV00Jv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" dsV00Jv.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" evf41hu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" evf41hu.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/0x0008000000023bfe-56.dat family_redline behavioral1/memory/2428-59-0x0000000000010000-0x0000000000042000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 4 IoCs
pid Process 8 nkT95wm87.exe 3468 dsV00Jv.exe 1596 evf41hu.exe 2428 fSQ37Lf.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" dsV00Jv.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features evf41hu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" evf41hu.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\\\"" 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.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\\\"" nkT95wm87.exe -
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 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nkT95wm87.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language evf41hu.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fSQ37Lf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3468 dsV00Jv.exe 3468 dsV00Jv.exe 1596 evf41hu.exe 1596 evf41hu.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3468 dsV00Jv.exe Token: SeDebugPrivilege 1596 evf41hu.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3048 wrote to memory of 8 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 83 PID 3048 wrote to memory of 8 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 83 PID 3048 wrote to memory of 8 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 83 PID 8 wrote to memory of 3468 8 nkT95wm87.exe 84 PID 8 wrote to memory of 3468 8 nkT95wm87.exe 84 PID 8 wrote to memory of 1596 8 nkT95wm87.exe 93 PID 8 wrote to memory of 1596 8 nkT95wm87.exe 93 PID 8 wrote to memory of 1596 8 nkT95wm87.exe 93 PID 3048 wrote to memory of 2428 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 94 PID 3048 wrote to memory of 2428 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 94 PID 3048 wrote to memory of 2428 3048 3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe"C:\Users\Admin\AppData\Local\Temp\3e4d79dc7cb8a9e45d3bc2d3b2341da4bb619753324e1f0c78d52c2bf6f1aabc.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nkT95wm87.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\dsV00Jv.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3468
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\evf41hu.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:1596
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fSQ37Lf.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2428
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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
339KB
MD58f3ba88e26ce640ac201e0478aa4f842
SHA176e2c645a3e4f618b3c369ed6869c1f774c1ec22
SHA256f04f7dc4e9f738994b05e4f0635a579f9b551993b56c459c8d6381da5c1de063
SHA512fd3bfac5beea7b08009ea26abd45110611875bc73f215add40b4f49841fcceb130b5653d05573f99c332788c01d53595af89d6d9b716fe6695dcc1465d030169
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Filesize
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
249KB
MD5566f734554b2800514afb7cfd9d0e541
SHA1e580309b4ce2d38f9ece2a14bb675e8ceb62de73
SHA256dba4c1abdeaa378d90094d0a223d8a670786e7b402654646375e0cdf64103567
SHA512cb2eef0a8ef41ee026672395e1d74fe26ed3da3b89cd2b6a5684caa2501ec1f8a1e7c51359bdb80140d84e2e8259fe5980785703c99fa215aa01c23081855cc2