Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
11-11-2024 02:14
Static task
static1
Behavioral task
behavioral1
Sample
a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe
Resource
win10v2004-20241007-en
General
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Target
a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe
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Size
544KB
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MD5
81fe7a52ae7d7aa2653ded37b9011bfd
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SHA1
3d21925f8fc5dedc7c790ac3d14bb4dbf144d882
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SHA256
a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b
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SHA512
d8d26f33ee5efb1dcc550ecf0810fd382f7517d2c62e411fa394e5376165a2a41d57ad6bfd8a61547fa436f8faac45e676c4a8050b7fed1741b5da1ea11447e7
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SSDEEP
12288:pMrJy90gcHjdOY7GfQs3K/JYlflluArIJ65+by+QzgxKLBw:MyOjdQfQEK/6luAW652y+QzZLBw
Malware Config
Extracted
redline
rumfa
193.233.20.24:4123
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auth_value
749d02a6b4ef1fa2ad908e44ec2296dc
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0008000000023caf-12.dat healer behavioral1/memory/4428-15-0x0000000000870000-0x000000000087A000-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\DisableBehaviorMonitoring = "1" sw18CT47La44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw18CT47La44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw18CT47La44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw18CT47La44.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw18CT47La44.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw18CT47La44.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/1952-22-0x0000000004A20000-0x0000000004A66000-memory.dmp family_redline behavioral1/memory/1952-24-0x0000000004D00000-0x0000000004D44000-memory.dmp family_redline behavioral1/memory/1952-32-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-38-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-36-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-34-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-30-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-84-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-58-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-46-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-28-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-26-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-25-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-88-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-86-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-82-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-80-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-79-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-76-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-74-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-72-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-70-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-68-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-66-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-64-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-62-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-60-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-56-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-54-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-52-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-50-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-49-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-44-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-42-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline behavioral1/memory/1952-40-0x0000000004D00000-0x0000000004D3E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 624 vCz5585Su.exe 4428 sw18CT47La44.exe 1952 thC07kn13.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw18CT47La44.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\\\"" a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.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\\\"" vCz5585Su.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 vCz5585Su.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language thC07kn13.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4428 sw18CT47La44.exe 4428 sw18CT47La44.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4428 sw18CT47La44.exe Token: SeDebugPrivilege 1952 thC07kn13.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2252 wrote to memory of 624 2252 a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe 83 PID 2252 wrote to memory of 624 2252 a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe 83 PID 2252 wrote to memory of 624 2252 a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe 83 PID 624 wrote to memory of 4428 624 vCz5585Su.exe 84 PID 624 wrote to memory of 4428 624 vCz5585Su.exe 84 PID 624 wrote to memory of 1952 624 vCz5585Su.exe 93 PID 624 wrote to memory of 1952 624 vCz5585Su.exe 93 PID 624 wrote to memory of 1952 624 vCz5585Su.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe"C:\Users\Admin\AppData\Local\Temp\a9c2c416ba7bc23b84ad7dfb01e84cd733bd829956e75663fae0090fa6f4619b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vCz5585Su.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vCz5585Su.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:624 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw18CT47La44.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw18CT47La44.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4428
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\thC07kn13.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\thC07kn13.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1952
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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
399KB
MD58824489b77f3b15d22934607e84699f1
SHA1c1bec0956fdac27ea1ff8c2b044740e3c66369f0
SHA25632179703caf8cb7068673288a292ec5d2871d60207c9a36bb42fb583eabef8dd
SHA512a82016e8cd1ecff04053abae2688157127538168ed26ea78701c08445c7a36d013a3dc9951b434aabe6a263139ddea36a887479f1f98896793d0b4fdcd8be1d9
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Filesize
13KB
MD56c98170d0c9c87557809d76e3100fc77
SHA1b882e2a85d27983ad9a5426247b38d1166348ef2
SHA2568ba8f5ed83112bcd9d068b859be2909df8e495bf9aedaae69207cbef1e4a4dd2
SHA51224f97d2a55f3f763d336ddab65c708ee4878cc511be9b9971e6ed416462e2a4fce1cd2d6a4883f037527e92d3221e6b1791cd7a8b2e9953bb20c23e913b6a088
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Filesize
374KB
MD5049b7e9c3b3777fd130ad01127cd8268
SHA17f56ea5b4e7029a2da226d899ddfce99ff960e0f
SHA256aff2553c6b6d9a7f84838eb4a2b47cbb3891e122ba04e305c020e68b27847b68
SHA512d89cdb1b58ceb4d9b83ab498fc69e5c423b9f44ea2eb24a07b860a6594462899cb1d08e5427dd57473fa2b15d233744f7f7e9fd5f7ae082387a0072c278e0aa1