Analysis
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max time kernel
148s -
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
11-11-2024 04:10
Static task
static1
Behavioral task
behavioral1
Sample
6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe
Resource
win10v2004-20241007-en
General
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Target
6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe
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Size
891KB
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MD5
84211f0f1a11df3f903213c052324eea
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SHA1
fe225315d84fd4babce4f60c5eb30dbbc65415fe
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SHA256
6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49
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SHA512
66d5004301720a463c819715b58a265b7f34880a012676e18775175223224d2457a701aa4a340c4ba539f247d5043b6acb1d8af8ee033c8a8a93d456980a5226
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SSDEEP
24576:SycJKnl203RFx8XnkRycKiA/J0MKHuzH84YQFQyI5er:5cJAfPx8XkTRMhc4uyP
Malware Config
Extracted
redline
gena
185.161.248.73:4164
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auth_value
d05bf43eef533e262271449829751d07
Extracted
redline
dante
185.161.248.73:4164
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auth_value
f4066af6b8a6f23125c8ee48288a3f90
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload 5 IoCs
resource yara_rule behavioral1/memory/4992-2168-0x00000000059C0000-0x00000000059F2000-memory.dmp family_redline behavioral1/files/0x0002000000022b11-2173.dat family_redline behavioral1/memory/1404-2181-0x00000000009F0000-0x0000000000A1E000-memory.dmp family_redline behavioral1/files/0x0007000000023c8a-2193.dat family_redline behavioral1/memory/5512-2195-0x00000000001C0000-0x00000000001F0000-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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation p55911706.exe -
Executes dropped EXE 4 IoCs
pid Process 4684 y35566063.exe 4992 p55911706.exe 1404 1.exe 5512 r17897431.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\\\"" 6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.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\\\"" y35566063.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 4580 4992 WerFault.exe 84 -
System Location Discovery: System Language Discovery 1 TTPs 5 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 r17897431.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language y35566063.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language p55911706.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4992 p55911706.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1188 wrote to memory of 4684 1188 6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe 83 PID 1188 wrote to memory of 4684 1188 6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe 83 PID 1188 wrote to memory of 4684 1188 6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe 83 PID 4684 wrote to memory of 4992 4684 y35566063.exe 84 PID 4684 wrote to memory of 4992 4684 y35566063.exe 84 PID 4684 wrote to memory of 4992 4684 y35566063.exe 84 PID 4992 wrote to memory of 1404 4992 p55911706.exe 89 PID 4992 wrote to memory of 1404 4992 p55911706.exe 89 PID 4992 wrote to memory of 1404 4992 p55911706.exe 89 PID 4684 wrote to memory of 5512 4684 y35566063.exe 95 PID 4684 wrote to memory of 5512 4684 y35566063.exe 95 PID 4684 wrote to memory of 5512 4684 y35566063.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe"C:\Users\Admin\AppData\Local\Temp\6aff4c2becaf24ab6e1d9bffe05aaf67020a7cfc3c77e7f576efccd11cfaaf49.exe"1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1188 -
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y35566063.exeC:\Users\Admin\AppData\Local\Temp\IXP000.TMP\y35566063.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4684 -
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p55911706.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\p55911706.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 14964⤵
- Program crash
PID:4580
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C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r17897431.exeC:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r17897431.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4992 -ip 49921⤵PID:1388
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
590KB
MD573533c593d4d17197433f790bf220f9c
SHA1d8a0c4210030db5829c2bfb37a53ffa001a23b37
SHA256e01009ca5a8e541059f6d58498942bc848d0ea0d2b21314db9984dd96fc85bde
SHA512c8285315f6cc7dbecfdb2c64ee7cb6a8cf8ba4b4a6b6a8655764b5922b7659ce2d37dbd54cfaa7be850823fa86f8257e70968d353fee4038bf8daf73cdfa8865
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Filesize
530KB
MD58ffaaf562ab166df6cb7b3f20b4aaaba
SHA18de8436f57d6fb0e1fca21d40602924926acf8c2
SHA2563e495b0a236f9c2240b7d4a630091c36f45804392d4df1bb92c40fd2d2be9f59
SHA512be2927a114aa3b306411de3269004b48a429520485018bc6d4397fac4816b471527e566cf8c09ce4d343243ad47fd5413d4ec28f2124dc8de8969f697b3c6afb
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Filesize
168KB
MD515b8afa46dc74f4dc45986ad091f92b5
SHA1f55d410a30e60b45e447b062dd71460bb334962f
SHA256116af3a27454112c6f910035f6c542e9ccbe400d7ee6e29dddd52127baec89c4
SHA5121b4d135bab539900f5b707b954b3139d15f9afffb9342dc1a668fc8e9caf71777cadb2aeae2c1496db16df44ef65c746588f699a172b1619ca428bb7ee6bea59
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf