Analysis
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max time kernel
110s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-11-2024 15:31
Static task
static1
Behavioral task
behavioral1
Sample
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe
Resource
win10v2004-20241007-en
General
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Target
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe
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Size
583KB
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MD5
4aa73f48b343959f7af4ad1138f26b46
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SHA1
4f9171bb3f8684ebb91bf3970fa2528c0770d418
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SHA256
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5
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SHA512
6fa6cede2253e3ed4acf8b8398138975c68b3aca6225eda62f5a07c6812d92f83cb1e73cbbd6e7c7723a5650b42bd114e7b33ea831fd2a391d544f0f037e9fb2
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SSDEEP
6144:u+8ywtMOWjpbIOH1Wz/e2FzirHJtR/j58IlRIZnhmKvA25PJgpSj22LW7:R81tMOW900Wz/dFz8Hj154hmjMgSj2F
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
Processes:
resource yara_rule behavioral2/memory/1060-2155-0x0000000005890000-0x00000000058C2000-memory.dmp family_redline C:\Windows\Temp\1.exe family_redline behavioral2/memory/2460-2169-0x0000000000B40000-0x0000000000B6E000-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:
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe -
Executes dropped EXE 1 IoCs
Processes:
1.exepid process 2460 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
Processes:
WerFault.exepid pid_target process target process 4992 1060 WerFault.exe 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.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.
Processes:
1.exe39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exedescription pid process Token: SeDebugPrivilege 1060 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exedescription pid process target process PID 1060 wrote to memory of 2460 1060 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe 1.exe PID 1060 wrote to memory of 2460 1060 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe 1.exe PID 1060 wrote to memory of 2460 1060 39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe 1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe"C:\Users\Admin\AppData\Local\Temp\39b42b123aa0e37be91f216cd85ef3ca8e5566719cccf6c5f35d2cfab9ad6dc5.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1060 -s 14442⤵
- Program crash
PID:4992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1060 -ip 10601⤵PID:1980
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf