Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-11-2024 08:26
Static task
static1
Behavioral task
behavioral1
Sample
b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe
Resource
win10v2004-20241007-en
General
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Target
b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe
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Size
815KB
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MD5
24b9dcc36295f00339b17cec532823f0
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SHA1
1e7ef944e63b113ddeeddd78f03f1b114cedbaa3
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SHA256
b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882
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SHA512
9d042bdf19a1897f3d857212e8fd47477972dded8c2b0f2f2db5afd4a53eecff0091b5c80586437f26e9a15a5eb7717a1430e2fb8ca939b94993c76f12b5b0c0
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SSDEEP
12288:ZMray90uzggvKuRyUd4vEsybB3kH2c1PSKDH2paMSBIb0rSNqFCJq4xPpPVl0j:XyNzg/I4voB3E2GT2z6/0qFCDHu
Malware Config
Extracted
redline
norm
77.91.124.145:4125
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auth_value
1514e6c0ec3d10a36f68f61b206f5759
Extracted
redline
diza
77.91.124.145:4125
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auth_value
bbab0d2f0ae4d4fdd6b17077d93b3e80
Signatures
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Detects Healer an antivirus disabler dropper 17 IoCs
Processes:
resource yara_rule behavioral1/memory/1652-19-0x00000000025B0000-0x00000000025CA000-memory.dmp healer behavioral1/memory/1652-21-0x0000000002640000-0x0000000002658000-memory.dmp healer behavioral1/memory/1652-22-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-49-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-47-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-45-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-43-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-41-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-39-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-37-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-35-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-33-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-31-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-29-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-27-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-25-0x0000000002640000-0x0000000002652000-memory.dmp healer behavioral1/memory/1652-23-0x0000000002640000-0x0000000002652000-memory.dmp healer -
Healer family
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Processes:
pro1664.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection pro1664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" pro1664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" pro1664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" pro1664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" pro1664.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" pro1664.exe -
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/3480-2143-0x0000000005750000-0x0000000005782000-memory.dmp family_redline C:\Windows\Temp\1.exe family_redline behavioral1/memory/5104-2156-0x0000000000CA0000-0x0000000000CD0000-memory.dmp family_redline C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si001984.exe family_redline behavioral1/memory/1848-2167-0x0000000000960000-0x000000000098E000-memory.dmp family_redline -
Redline family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
qu8774.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation qu8774.exe -
Executes dropped EXE 5 IoCs
Processes:
un523004.exepro1664.exequ8774.exe1.exesi001984.exepid process 4384 un523004.exe 1652 pro1664.exe 3480 qu8774.exe 5104 1.exe 1848 si001984.exe -
Processes:
pro1664.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" pro1664.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features pro1664.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exeun523004.exedescription 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\\\"" b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.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\\\"" un523004.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
Processes:
sc.exepid process 1640 sc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1988 1652 WerFault.exe pro1664.exe 2336 3480 WerFault.exe qu8774.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
1.exesi001984.exeb33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exeun523004.exepro1664.exequ8774.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language si001984.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language un523004.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pro1664.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qu8774.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
pro1664.exepid process 1652 pro1664.exe 1652 pro1664.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
pro1664.exequ8774.exedescription pid process Token: SeDebugPrivilege 1652 pro1664.exe Token: SeDebugPrivilege 3480 qu8774.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exeun523004.exequ8774.exedescription pid process target process PID 1332 wrote to memory of 4384 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe un523004.exe PID 1332 wrote to memory of 4384 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe un523004.exe PID 1332 wrote to memory of 4384 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe un523004.exe PID 4384 wrote to memory of 1652 4384 un523004.exe pro1664.exe PID 4384 wrote to memory of 1652 4384 un523004.exe pro1664.exe PID 4384 wrote to memory of 1652 4384 un523004.exe pro1664.exe PID 4384 wrote to memory of 3480 4384 un523004.exe qu8774.exe PID 4384 wrote to memory of 3480 4384 un523004.exe qu8774.exe PID 4384 wrote to memory of 3480 4384 un523004.exe qu8774.exe PID 3480 wrote to memory of 5104 3480 qu8774.exe 1.exe PID 3480 wrote to memory of 5104 3480 qu8774.exe 1.exe PID 3480 wrote to memory of 5104 3480 qu8774.exe 1.exe PID 1332 wrote to memory of 1848 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe si001984.exe PID 1332 wrote to memory of 1848 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe si001984.exe PID 1332 wrote to memory of 1848 1332 b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe si001984.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe"C:\Users\Admin\AppData\Local\Temp\b33a8c6dbb67d464945d9f88076913149bd9319c0e40bb6a3913d7a72f4e4882.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1332 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un523004.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un523004.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4384 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1664.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro1664.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:1652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 10804⤵
- Program crash
PID:1988 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8774.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu8774.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 15164⤵
- Program crash
PID:2336 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si001984.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si001984.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1652 -ip 16521⤵PID:4764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3480 -ip 34801⤵PID:6112
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C:\Windows\system32\sc.exeC:\Windows\system32\sc.exe start wuauserv1⤵
- Launches sc.exe
PID:1640
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
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
169KB
MD549a0cd74fdaf9fdd29ff5d8df4c756a0
SHA179cbb0ef1816462a4d471881036f5001975f621c
SHA25609ca68ff406dcf1f4848fa8513d1467642f381eddd3e25863dfbc9dd0a4fe5de
SHA5123ee13975a0f12d9d374f4cb6e19d169a302e923cce18a805c93b295bba8b3b73d8b4ad423a7bcd101cc9667e5fde7b0c140328c8e61a306b0474adc1a415740d
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Filesize
661KB
MD570ec493a7657f321327d9d6eb4727e99
SHA10f9ed0c0c423ed05c81413680824c8b36cd7aada
SHA2564fce48a8cee17853e2a219f552fc61e213adf47ec2bbfb04abfbde49ee50ca30
SHA5123c20317c5d6e51a7a597a5ad2956f7d9ea10c5bcaa39e5c7a048c715d59e3d91003f523fe1e392491de47b9a1d6be5ee5ae965d81a4d51d8fda7b9cd0062ca8f
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Filesize
332KB
MD59210096b71bb3d8fcd752bd656277b1c
SHA1b0f75a47004978502858699487228b3e6e3768a9
SHA2565adff454eb02d474cc749ce644882cf0312a41c4b6244f3eb3bb637554633f2b
SHA512f89fd3ce6c988dc3cfd750cfe39f55f288e278a3693d881c9111d08e718e45b862964839f0165a9d9c9eaac3bb9bdb770edd8a2914dd8f4e9d740c72fd860bb3
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Filesize
495KB
MD513dbcc62f1a2e655a3fb6c8ad5bdf55b
SHA13781961b13801964abfc0b2a8ec36940143ca90d
SHA2564af5695bf232c5c06f9e5847cc2134a345b57bcb06764f44c0222ee595dbbcd5
SHA5122a5730145cd015701f4e6b05738d99f8bd564a485571a359828c0cf9b2b7278a54c697c7b7d15b320ce7de633d2f96cc22f3ea31533097dc6894e7582cae8713
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Filesize
168KB
MD51073b2e7f778788852d3f7bb79929882
SHA17f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4
SHA256c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb
SHA51290cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0