Analysis
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max time kernel
137s -
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
13-11-2024 02:03
Static task
static1
Behavioral task
behavioral1
Sample
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe
Resource
win10v2004-20241007-en
General
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Target
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe
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Size
576KB
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MD5
808afc4bf9be8a08656cb64c8ff7cd47
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SHA1
fc56fa249fcb17bd27187636a60f1e2344ea4edd
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SHA256
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb
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SHA512
70c1e7a470bd1f61e031df70145e3ab1cfabe15239d6680b83dbf79d8a6467140b5b1fe4a19ca1b11610f7128bc0db758a01220e730aaff27a6844a8dad9b5a7
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SSDEEP
12288:T8Lx8V4JrnK6sNHpH8qaVjIRhNQLkMIFyvvpq:TWx5re8pjIJWdIFixq
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/3052-2155-0x00000000058A0000-0x00000000058D2000-memory.dmp family_redline C:\Windows\Temp\1.exe family_redline behavioral2/memory/5220-2168-0x0000000000E70000-0x0000000000E9E000-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:
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe -
Executes dropped EXE 1 IoCs
Processes:
1.exepid process 5220 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 832 3052 WerFault.exe b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.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:
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exedescription pid process Token: SeDebugPrivilege 3052 b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exedescription pid process target process PID 3052 wrote to memory of 5220 3052 b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe 1.exe PID 3052 wrote to memory of 5220 3052 b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe 1.exe PID 3052 wrote to memory of 5220 3052 b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe 1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe"C:\Users\Admin\AppData\Local\Temp\b5aa5e031380c0f36adfd38eafbb4ad7688850acefd787fe27e6985924d971bb.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052 -
C:\Windows\Temp\1.exe"C:\Windows\Temp\1.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 12962⤵
- Program crash
PID:832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3052 -ip 30521⤵PID:6088
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
168KB
MD5f16fb63d4e551d3808e8f01f2671b57e
SHA1781153ad6235a1152da112de1fb39a6f2d063575
SHA2568a34627d2a802a7222661926a21bfe7e05835d8dca23459a50c62ccac4619581
SHA512fad96ade34ff0637238ebf22941dcf21d9ddbe41e10b04d32a904c6018e0c9914345fc86e0ef8c27b95e3813eb60af233b2e47a585c150b9d1c14d48906f78cf