Analysis
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max time kernel
143s -
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
04/11/2024, 20:52
Static task
static1
Behavioral task
behavioral1
Sample
f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe
Resource
win10v2004-20241007-en
General
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Target
f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe
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Size
481KB
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MD5
b18d4d82be583c3f92ea7db5aaa6631a
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SHA1
7dcdf797f6efa14853f7ed34105d377bf0038543
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SHA256
f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17
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SHA512
b5735ed49c80cabee8eaef76797c15d5e6763ddeddd6bdcf7142a29b394853c2878209efd637180198972cb7c71ab11f2b71feeed98b6b99dfaab3ec59290d5b
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SSDEEP
12288:rMruy90jdzIGMf8t9+QgBjqi+UwYGgoGvBgBvunTwIe:NyadzIU9+BMUjoYBgBoO
Malware Config
Extracted
redline
domor
217.196.96.101:4132
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auth_value
39471bda00546bb0435bc7adfd6881dc
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/3500-15-0x0000000002190000-0x00000000021AA000-memory.dmp healer behavioral1/memory/3500-18-0x00000000049B0000-0x00000000049C8000-memory.dmp healer behavioral1/memory/3500-30-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-48-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-46-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-44-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-42-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-40-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-38-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-36-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-34-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-32-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-28-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-26-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-24-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-21-0x00000000049B0000-0x00000000049C2000-memory.dmp healer behavioral1/memory/3500-22-0x00000000049B0000-0x00000000049C2000-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\DisableIOAVProtection = "1" k4345561.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" k4345561.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" k4345561.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" k4345561.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection k4345561.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" k4345561.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/0x0008000000023c48-54.dat family_redline behavioral1/memory/3744-56-0x0000000000E30000-0x0000000000E5E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 4672 y0587167.exe 3500 k4345561.exe 3744 l6112265.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features k4345561.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" k4345561.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\\\"" f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.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\\\"" y0587167.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4476 sc.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 l6112265.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language y0587167.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language k4345561.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3500 k4345561.exe 3500 k4345561.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3500 k4345561.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3948 wrote to memory of 4672 3948 f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe 84 PID 3948 wrote to memory of 4672 3948 f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe 84 PID 3948 wrote to memory of 4672 3948 f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe 84 PID 4672 wrote to memory of 3500 4672 y0587167.exe 85 PID 4672 wrote to memory of 3500 4672 y0587167.exe 85 PID 4672 wrote to memory of 3500 4672 y0587167.exe 85 PID 4672 wrote to memory of 3744 4672 y0587167.exe 93 PID 4672 wrote to memory of 3744 4672 y0587167.exe 93 PID 4672 wrote to memory of 3744 4672 y0587167.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe"C:\Users\Admin\AppData\Local\Temp\f72b8dc2921964fd12d83716e9dced2334bb52be1697a31560e8562ca8123a17.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0587167.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y0587167.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4345561.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\k4345561.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:3500
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6112265.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\l6112265.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3744
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:4476
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
Loading Replay Monitor...
Downloads
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Filesize
309KB
MD556f3e4bc7a6471688e3402f598a4edae
SHA1e2941b7a369dc1dbc180ff428a0c2820190efe78
SHA2565b860622c57dabd0f1fdad9b59fda717403c3051ce0e2df752be53995c787016
SHA5123793c14a518807062e1b159715fceb18b0b7a55373f6c0ee1e304b792d71dabb8897a378215c2ce74c94737f8b3ae1c2ee4d6b4666d9e2256208213ac7b50a2e
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Filesize
177KB
MD5b0ca2425d5b3b88178b0d283b1eb1779
SHA137975d345f7a6336493acb4868a70b60320723b4
SHA2561395610a0998694166ffd8523002140102e7274a324fbb7baafe09b7b5b939ae
SHA5123efb4b2553f10c66678cb6d1ee0eb3e1ee96b04a185c74460aaf9915ba51c53d75b5b1afc80018b3bcfe4fd9326387bbc07fc48ca1a57c34ab004513ed3288e2
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Filesize
168KB
MD54774fb96fea225b2ad8a32cec864c387
SHA1e03fd42ae129c6189b402be1e61ec201608add98
SHA2568f1c0ea6bc828810b694b89950b51cb3bbeed85fb9dca24ee88f856718bdd5f8
SHA51275ff5438dca2df9944bbade0ebcba905d2154d9775ed0d9ffd9ad89c567e21f7f36faa544c552380337c7a809e8806dfdcda6be6325e87a74174a3bc8c3d6201