Analysis
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max time kernel
291s -
max time network
310s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
10-10-2023 05:01
Static task
static1
Behavioral task
behavioral1
Sample
4Kk154NZ.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
4Kk154NZ.exe
Resource
win10-20230915-en
General
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Target
4Kk154NZ.exe
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Size
459KB
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MD5
a38ce3e2dc246d8e40f95186737c588f
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SHA1
87eb3f865fdd506f345d1d586f4d8c4d490f669a
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SHA256
c42efcd5f53c75f36a6ed5c8f8be82359b848285ffb0fc5acc12fbd625c7028e
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SHA512
9b6dec7f0eaae988f522ec927e0082dd03ead7605387c52d6184ee899154c85e9f180622b7ca32377a9e9a0b1972e24131e0a47e2b27797c55736b25261d27c9
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SSDEEP
6144:+fqhmbDPM4jjdpvIN8fp7z5BAOiU/Eiz/1mub3+pb4cu9bRl/R+oY0X:+fqaDPjjb/kU/DmubOpb4cGbRrX
Malware Config
Extracted
redline
frant
77.91.124.55:19071
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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3828-0-0x0000000000400000-0x000000000043E000-memory.dmp family_redline -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4Kk154NZ.exedescription pid process target process PID 2068 set thread context of 3828 2068 4Kk154NZ.exe AppLaunch.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1012 2068 WerFault.exe 4Kk154NZ.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
4Kk154NZ.exedescription pid process target process PID 2068 wrote to memory of 2112 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 2112 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 2112 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe PID 2068 wrote to memory of 3828 2068 4Kk154NZ.exe AppLaunch.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4Kk154NZ.exe"C:\Users\Admin\AppData\Local\Temp\4Kk154NZ.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 3442⤵
- Program crash
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3828-0-0x0000000000400000-0x000000000043E000-memory.dmpFilesize
248KB
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memory/3828-4-0x0000000073F90000-0x000000007467E000-memory.dmpFilesize
6.9MB
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memory/3828-5-0x000000000BB40000-0x000000000C03E000-memory.dmpFilesize
5.0MB
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memory/3828-6-0x0000000009210000-0x00000000092A2000-memory.dmpFilesize
584KB
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memory/3828-7-0x0000000006B30000-0x0000000006B40000-memory.dmpFilesize
64KB
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memory/3828-8-0x000000000B650000-0x000000000B65A000-memory.dmpFilesize
40KB
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memory/3828-9-0x000000000C650000-0x000000000CC56000-memory.dmpFilesize
6.0MB
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memory/3828-10-0x000000000B8D0000-0x000000000B9DA000-memory.dmpFilesize
1.0MB
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memory/3828-11-0x000000000B800000-0x000000000B812000-memory.dmpFilesize
72KB
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memory/3828-12-0x000000000B860000-0x000000000B89E000-memory.dmpFilesize
248KB
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memory/3828-13-0x000000000B9E0000-0x000000000BA2B000-memory.dmpFilesize
300KB
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memory/3828-18-0x0000000073F90000-0x000000007467E000-memory.dmpFilesize
6.9MB
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memory/3828-19-0x0000000006B30000-0x0000000006B40000-memory.dmpFilesize
64KB