Analysis
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max time kernel
149s -
max time network
149s -
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, 05:54
Static task
static1
Behavioral task
behavioral1
Sample
44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe
Resource
win10v2004-20241007-en
General
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Target
44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe
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Size
543KB
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MD5
c4068a1b13c3449e3762e3d179b02978
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SHA1
6eb32691c97ed52b37fb6ec5b1c460d2c2c73a14
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SHA256
44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5
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SHA512
cbe407a724e6fcfa0f0539d9842ec2351a8aa65f89b873bbffa263a8fd3b426cc2e783697db3159646631843052c499b6803e4e82ccff1623855d943172ba1d9
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SSDEEP
12288:EMrgy90kWS7BxeDYD/Ct5ESfllcAfFo/qErBZ/tOqtWyh4k5:MytWSlxAYD/8XlcAdgtZFDD
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/0x000b000000023b85-12.dat healer behavioral1/memory/3124-15-0x0000000000D90000-0x0000000000D9A000-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" sw57sZ35IK53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw57sZ35IK53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" sw57sZ35IK53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw57sZ35IK53.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw57sZ35IK53.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw57sZ35IK53.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/2552-22-0x0000000004BE0000-0x0000000004C26000-memory.dmp family_redline behavioral1/memory/2552-24-0x0000000004E40000-0x0000000004E84000-memory.dmp family_redline behavioral1/memory/2552-28-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-48-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-88-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-86-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-82-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-80-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-78-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-77-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-74-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-73-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-70-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-68-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-66-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-64-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-62-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-60-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-58-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-56-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-54-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-52-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-46-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-44-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-42-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-40-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-38-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-36-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-34-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-32-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-30-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-84-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-50-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-26-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline behavioral1/memory/2552-25-0x0000000004E40000-0x0000000004E7E000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 3 IoCs
pid Process 2356 vao2063gy.exe 3124 sw57sZ35IK53.exe 2552 tjz36Ma71.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw57sZ35IK53.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\\\"" 44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.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\\\"" vao2063gy.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 44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vao2063gy.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tjz36Ma71.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3124 sw57sZ35IK53.exe 3124 sw57sZ35IK53.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3124 sw57sZ35IK53.exe Token: SeDebugPrivilege 2552 tjz36Ma71.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3412 wrote to memory of 2356 3412 44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe 85 PID 3412 wrote to memory of 2356 3412 44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe 85 PID 3412 wrote to memory of 2356 3412 44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe 85 PID 2356 wrote to memory of 3124 2356 vao2063gy.exe 86 PID 2356 wrote to memory of 3124 2356 vao2063gy.exe 86 PID 2356 wrote to memory of 2552 2356 vao2063gy.exe 99 PID 2356 wrote to memory of 2552 2356 vao2063gy.exe 99 PID 2356 wrote to memory of 2552 2356 vao2063gy.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe"C:\Users\Admin\AppData\Local\Temp\44f61c26dd0341833cb0ef8f954b80d0c24b688c7c49b5946376d68858be54d5.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vao2063gy.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vao2063gy.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2356 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw57sZ35IK53.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\sw57sZ35IK53.exe3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3124
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tjz36Ma71.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\tjz36Ma71.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2552
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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
Loading Replay Monitor...
Downloads
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Filesize
399KB
MD5f01f75f093e4ad59a1fc1f76d2429ce1
SHA1377f06bc887a632c3061c6b3bed2f3fc15bd7dac
SHA25622680ba56b520e91fffd42624e313e560590803670a76a7d5c3b74de1ba37dde
SHA512bce7a21fbcfcd8a1b13dc328f22c9cde983fed1fe92ec51c87afbf25a408e9bd86f485872a5d208002e5d6c5d5d950a6bc2c043528a23a0b87b275bf90f2f88c
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Filesize
13KB
MD5c06e8fc8b2b9f21084980b8621f9a46d
SHA194ad6eb6c6b4942d35314e46aff6aea303578157
SHA25610674d484ac908a7542e17cea589cc2b7d2900eaf178097605e56e3209c83d69
SHA5121a34cd3d09de7a33c69490ff72c3e9032004d4f74996181fbbdff1650fe0a86f2619c4f16be981e135c20d21eac5d2474ed76263f4a122971ea9bf5399aea280
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Filesize
374KB
MD5049b7e9c3b3777fd130ad01127cd8268
SHA17f56ea5b4e7029a2da226d899ddfce99ff960e0f
SHA256aff2553c6b6d9a7f84838eb4a2b47cbb3891e122ba04e305c020e68b27847b68
SHA512d89cdb1b58ceb4d9b83ab498fc69e5c423b9f44ea2eb24a07b860a6594462899cb1d08e5427dd57473fa2b15d233744f7f7e9fd5f7ae082387a0072c278e0aa1