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Analysis
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max time kernel
119s -
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
11/11/2024, 01:15
Static task
static1
Behavioral task
behavioral1
Sample
b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe
Resource
win10v2004-20241007-en
General
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Target
b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe
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Size
569KB
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MD5
c83012884a276fc3170766c8ae5fc69c
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SHA1
afe3b1ab03d8b0b7546533bbfba089b3ea5c92e4
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SHA256
b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c
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SHA512
4ee4623c7f86e136414edc8f3bb07f51be2850b1935401aa66e2db5543a41d50a8f7876b8ab60c885074742f86ceed7d209c227e443120150ed0d4a86022acd8
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SSDEEP
12288:FMrWy906ahimz7AuxqVlzCx3wjnQy8JYYBL0PUWm:zyPsVAuxYpCx38n78+WAPrm
Malware Config
Extracted
redline
mango
193.233.20.28:4125
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auth_value
ecf79d7f5227d998a3501c972d915d23
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
resource yara_rule behavioral1/memory/2188-12-0x0000000002200000-0x000000000221A000-memory.dmp healer behavioral1/memory/2188-14-0x0000000004A70000-0x0000000004A88000-memory.dmp healer behavioral1/memory/2188-42-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-41-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-38-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-36-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-34-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-32-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-30-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-28-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-26-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-24-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-22-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-20-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-18-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-16-0x0000000004A70000-0x0000000004A82000-memory.dmp healer behavioral1/memory/2188-15-0x0000000004A70000-0x0000000004A82000-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\DisableScanOnRealtimeEnable = "1" r8004zj.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection r8004zj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" r8004zj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" r8004zj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" r8004zj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" r8004zj.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 20 IoCs
resource yara_rule behavioral1/memory/1476-56-0x0000000002480000-0x00000000024C6000-memory.dmp family_redline behavioral1/memory/1476-58-0x0000000002500000-0x0000000002544000-memory.dmp family_redline behavioral1/memory/1476-74-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-92-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-90-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-88-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-86-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-84-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-82-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-80-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-78-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-76-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-72-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-70-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-69-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-66-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-64-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-62-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-60-0x0000000002500000-0x000000000253E000-memory.dmp family_redline behavioral1/memory/1476-59-0x0000000002500000-0x000000000253E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 2188 r8004zj.exe 1476 w72vk86.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features r8004zj.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" r8004zj.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\\\"" b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1680 2188 WerFault.exe 83 -
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 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language r8004zj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language w72vk86.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2188 r8004zj.exe 2188 r8004zj.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2188 r8004zj.exe Token: SeDebugPrivilege 1476 w72vk86.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1276 wrote to memory of 2188 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 83 PID 1276 wrote to memory of 2188 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 83 PID 1276 wrote to memory of 2188 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 83 PID 1276 wrote to memory of 1476 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 94 PID 1276 wrote to memory of 1476 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 94 PID 1276 wrote to memory of 1476 1276 b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe"C:\Users\Admin\AppData\Local\Temp\b9a870a8b4629c8c440372cb65cde2684a4b46789042b445d6820a424f9ce25c.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8004zj.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\r8004zj.exe2⤵
- 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:2188 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 11043⤵
- Program crash
PID:1680
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72vk86.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\w72vk86.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2188 -ip 21881⤵PID:5064
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
322KB
MD58141937b23cd1895e561d8e90fdeeff3
SHA16f810e9e480564f5837461f8ccdd07c951a1bece
SHA256ddda10348c77cf0a1539c3a42ce4f71e2c1895ab9b77348256e0a1f01c0936b6
SHA51240957cd33c4be1dab98ac0c40424c868aa3be6f6265fa28df050e5a4844ac6324acb93770bc6cb7cafedabc93fab9b9179a6e6525f6b3dd6fa9e31b4d5da5bec
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Filesize
301KB
MD5961ed238b446d027760f34a3cfd1332b
SHA1e1d552be4167c2d9b1952f7d600bb246bc0406ba
SHA2566e4851ea613a84b0f163d5f0ce7300d57283a2a734aa7ca002c4c9bb87d4f392
SHA512feb898dc5e84732e6b5b7a8939ee7aacd870537997dce88c75e03bcfe6bf5d7cb8a59bcab420ab577c16525ccb1ee8b940fd38a2959facad606f273a9751dcaa