Analysis
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max time kernel
118s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-11-2024 18:32
Static task
static1
Behavioral task
behavioral1
Sample
7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe
Resource
win10v2004-20241007-en
General
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Target
7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe
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Size
387KB
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MD5
5319d2103eea51e3300709a1e8883420
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SHA1
73701929245442f4ecaa67a5fc75988032465d34
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SHA256
7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841
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SHA512
6bc403808a82268d54349fd26749a399c066ee22fe185166ff92a29dfca3ae9aad0f04ebe8463bf9c30f8358ba5fcfcb9136fdc2a26efdb18046643e61d66b48
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SSDEEP
6144:KMy+bnr+zp0yN90QE+WSDRiQZCfvLfroudw/4H2Hi7rF0Jb8+T1VSejFf:QMrfy90lqRiNnLzoudH4IrvK1VSo
Malware Config
Extracted
redline
rosn
176.113.115.145:4125
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auth_value
050a19e1db4d0024b0f23b37dcf961f4
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x000b000000023b8e-5.dat healer behavioral1/memory/4044-8-0x00000000007C0000-0x00000000007CA000-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\DisableOnAccessProtection = "1" jr875857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" jr875857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" jr875857.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection jr875857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" jr875857.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" jr875857.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 35 IoCs
resource yara_rule behavioral1/memory/4884-17-0x0000000004960000-0x00000000049A6000-memory.dmp family_redline behavioral1/memory/4884-19-0x0000000007160000-0x00000000071A4000-memory.dmp family_redline behavioral1/memory/4884-23-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-31-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-83-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-81-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-79-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-77-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-75-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-73-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-71-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-69-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-67-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-65-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-63-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-59-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-57-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-55-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-53-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-51-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-49-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-47-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-45-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-41-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-39-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-37-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-35-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-33-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-29-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-27-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-25-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-21-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-62-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-44-0x0000000007160000-0x000000000719F000-memory.dmp family_redline behavioral1/memory/4884-20-0x0000000007160000-0x000000000719F000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 4044 jr875857.exe 4884 ku831880.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" jr875857.exe -
Adds Run key to start application 2 TTPs 1 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\\\"" 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ku831880.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4044 jr875857.exe 4044 jr875857.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4044 jr875857.exe Token: SeDebugPrivilege 4884 ku831880.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 368 wrote to memory of 4044 368 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe 83 PID 368 wrote to memory of 4044 368 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe 83 PID 368 wrote to memory of 4884 368 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe 91 PID 368 wrote to memory of 4884 368 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe 91 PID 368 wrote to memory of 4884 368 7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe"C:\Users\Admin\AppData\Local\Temp\7f21552bb3943597d38083cde4acdfe0196c12e7dad1821cee142d54e7ee8841N.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:368 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr875857.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\jr875857.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4044
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku831880.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ku831880.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4884
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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
12KB
MD5f9c873728ccd6fa928264c7a51071c34
SHA1f418a074cd2640ec0d6a1af8ccb93ca1567819dc
SHA25632682eeeb9c2b0e45b145ce6113bd5cf50da49ed5b5b93fb8393f42248b1f47b
SHA512d18c7a395159c22818f5430056322292667a71643571c8bea40a50a99f55b210685fbda3227a065f68cc46746864007810edfa685ba31fb2e55b8ec662b287e1
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Filesize
342KB
MD5432652c20f14f6f203e32279f9980223
SHA1b530050f402caa31b11e66f434c6284ea07b2384
SHA2569423d4d043fea2f26ced5863ee1a11e5ef1dec3c46d1b23f15eb1f3e8af041d5
SHA512c1c7b995758679ba189f678d8fce4a90a5bc7accbe47bcd4091ca40d5d8fdeb3c2e895abf62f833b91fa8f8fd93b1c9314183ce8ab48108dd6c066a11d917fb8