Analysis
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max time kernel
145s -
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
19-11-2024 02:23
Static task
static1
Behavioral task
behavioral1
Sample
b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe
Resource
win10v2004-20241007-en
General
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Target
b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe
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Size
386KB
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MD5
7b26662a50b069770f9a27fa7d6f0501
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SHA1
a74a3a2b68128beb1b31fe6909f78bf8b31da4a7
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SHA256
b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b
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SHA512
c71fd8ee07b7026b3a456faa93566cb40582b943e05715264a5c9d6e2344fe8c965f1a5b7233335195ff3db56fa153323365f2c56a5770286b4977ac0cac2599
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SSDEEP
6144:KSy+bnr+Lp0yN90QEGkMWw6R9R0GOb0kj3XJIwV3sAyY0/qq/cHOmv+/+M:WMrny90Ylp6R9R0jnJIw7eqq/ZmWmM
Malware Config
Extracted
redline
rosto
hueref.eu:4162
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auth_value
07d81eba8cad42bbd0ae60042d48eac6
Signatures
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Detects Healer an antivirus disabler dropper 2 IoCs
resource yara_rule behavioral1/files/0x0009000000023c6e-6.dat healer behavioral1/memory/3364-8-0x00000000007E0000-0x00000000007EA000-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\DisableOnAccessProtection = "1" sw75YF52kb78.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" sw75YF52kb78.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" sw75YF52kb78.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection sw75YF52kb78.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" sw75YF52kb78.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" sw75YF52kb78.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/1524-18-0x0000000004B00000-0x0000000004B46000-memory.dmp family_redline behavioral1/memory/1524-20-0x0000000005170000-0x00000000051B4000-memory.dmp family_redline behavioral1/memory/1524-24-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-32-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-84-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-82-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-80-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-78-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-76-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-72-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-70-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-68-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-66-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-64-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-62-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-60-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-58-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-56-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-54-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-52-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-50-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-48-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-44-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-42-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-40-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-38-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-36-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-34-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-30-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-28-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-26-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-74-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-46-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-22-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline behavioral1/memory/1524-21-0x0000000005170000-0x00000000051AE000-memory.dmp family_redline -
Redline family
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Executes dropped EXE 2 IoCs
pid Process 3364 sw75YF52kb78.exe 1524 tkkl41NO81tb.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" sw75YF52kb78.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\\\"" b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tkkl41NO81tb.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3364 sw75YF52kb78.exe 3364 sw75YF52kb78.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3364 sw75YF52kb78.exe Token: SeDebugPrivilege 1524 tkkl41NO81tb.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4808 wrote to memory of 3364 4808 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe 83 PID 4808 wrote to memory of 3364 4808 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe 83 PID 4808 wrote to memory of 1524 4808 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe 96 PID 4808 wrote to memory of 1524 4808 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe 96 PID 4808 wrote to memory of 1524 4808 b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe"C:\Users\Admin\AppData\Local\Temp\b49c2f1d895ed3724136903c4621a69bc4cb981e2c9144ce1f5ceba4f401b29b.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4808 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw75YF52kb78.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sw75YF52kb78.exe2⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3364
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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkkl41NO81tb.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tkkl41NO81tb.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1524
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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
11KB
MD57e93bacbbc33e6652e147e7fe07572a0
SHA1421a7167da01c8da4dc4d5234ca3dd84e319e762
SHA256850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38
SHA512250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91
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Filesize
289KB
MD5f719d70ebe5b666b482c91b61516218e
SHA161da23978f14b2ef38e7d14113172346145fe6ba
SHA256439904dbd91520dd5e82eb107d025d3f0e7a74e30f1e1743976c046d5b28e568
SHA512be894aa89bf97710e2eeb77425880a452abffebdc742c3426222aa433d558636398b36df659d6cea3eae614a1a5fc624da514f17074bcf8034039ddb1a12ee72