Analysis
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max time kernel
137s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
12/11/2024, 20:00
Static task
static1
Behavioral task
behavioral1
Sample
1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe
Resource
win10v2004-20241007-en
General
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Target
1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe
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Size
530KB
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MD5
8fdf8b97f833f01c945327c42f327967
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SHA1
38371697fba5302c5749c1e46fcd4049bbacf666
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SHA256
1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56
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SHA512
d5ebbe230fd40dd37fccfa6c2996240678e7f3935dddc652cb4c99086fcb1f04765d9395e96b9918198d82036118c99d8af5faf5e5d8327ef3cecc5766353cd3
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SSDEEP
12288:blcaxRaNnn6mbtR50wisMIw1nefXIf10:qSenpRPisFwMQO
Malware Config
Extracted
redline
gena
185.161.248.73:4164
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auth_value
d05bf43eef533e262271449829751d07
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 3 IoCs
resource yara_rule behavioral2/memory/4396-2155-0x0000000005B20000-0x0000000005B52000-memory.dmp family_redline behavioral2/files/0x0002000000022ef8-2160.dat family_redline behavioral2/memory/5496-2170-0x0000000000830000-0x000000000085E000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe -
Executes dropped EXE 1 IoCs
pid Process 5496 1.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 5816 4396 WerFault.exe 82 -
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 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4396 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4396 wrote to memory of 5496 4396 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe 89 PID 4396 wrote to memory of 5496 4396 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe 89 PID 4396 wrote to memory of 5496 4396 1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe"C:\Users\Admin\AppData\Local\Temp\1791937ee2e2ee87b5e015fd6c339f7fd1ebca88e556305b82233ba3ba50de56.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4396 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 13082⤵
- Program crash
PID:5816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4396 -ip 43961⤵PID:5732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf