Analysis
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max time kernel
128s -
max time network
138s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31-12-2023 22:34
Static task
static1
Behavioral task
behavioral1
Sample
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe
Resource
win10-20231215-en
General
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Target
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe
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Size
3.8MB
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MD5
6c495d32cd41ec78c256d1f3dbf53312
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SHA1
088e77057a7967826bdada4fa494381312a7186a
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SHA256
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637
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SHA512
98c4f2164bcc448a69b40a69f88e24d5fa7db1a6a0f6c3f17c71859290ad5b6aaa09682f069a260ddaf8f362e399381c43e67eacf4bc4485e2a3d7bcb773e791
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SSDEEP
49152:MuS/X7Nrl7FdOVchjIO4CdfNGElegA8vt/jW2AKGYvKfSvKwb:m/X1l7QElQgNvZjW2AKGYvm3q
Malware Config
Extracted
redline
777
195.20.16.103:20440
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 6 IoCs
Processes:
resource yara_rule behavioral1/memory/2640-24-0x0000000000400000-0x0000000000452000-memory.dmp family_redline behavioral1/memory/2640-26-0x0000000000400000-0x0000000000452000-memory.dmp family_redline behavioral1/memory/2640-29-0x0000000000400000-0x0000000000452000-memory.dmp family_redline behavioral1/memory/2640-32-0x0000000000400000-0x0000000000452000-memory.dmp family_redline behavioral1/memory/2640-34-0x0000000000400000-0x0000000000452000-memory.dmp family_redline behavioral1/memory/2640-36-0x00000000005D0000-0x0000000000610000-memory.dmp family_redline -
Loads dropped DLL 1 IoCs
Processes:
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exepid process 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exedescription pid process target process PID 2392 set thread context of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MsBuild.exepid process 2640 MsBuild.exe 2640 MsBuild.exe 2640 MsBuild.exe 2640 MsBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MsBuild.exedescription pid process Token: SeDebugPrivilege 2640 MsBuild.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exedescription pid process target process PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 2392 wrote to memory of 2640 2392 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe"C:\Users\Admin\AppData\Local\Temp\de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\Protect544cd51a.dllFilesize
742KB
MD5544cd51a596619b78e9b54b70088307d
SHA14769ddd2dbc1dc44b758964ed0bd231b85880b65
SHA256dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
SHA512f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719
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memory/2392-18-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-3-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-19-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-4-0x00000000055A0000-0x000000000587A000-memory.dmpFilesize
2.9MB
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memory/2392-5-0x00000000069B0000-0x0000000006B42000-memory.dmpFilesize
1.6MB
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memory/2392-1-0x0000000074620000-0x0000000074D0E000-memory.dmpFilesize
6.9MB
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memory/2392-10-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-12-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-11-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-13-0x00000000003D0000-0x00000000003E0000-memory.dmpFilesize
64KB
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memory/2392-14-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-16-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-15-0x0000000004F70000-0x0000000004FB0000-memory.dmpFilesize
256KB
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memory/2392-0-0x00000000013E0000-0x00000000017A6000-memory.dmpFilesize
3.8MB
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memory/2392-17-0x0000000006DC0000-0x0000000006EC0000-memory.dmpFilesize
1024KB
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memory/2392-2-0x0000000074620000-0x0000000074D0E000-memory.dmpFilesize
6.9MB
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memory/2392-31-0x0000000074620000-0x0000000074D0E000-memory.dmpFilesize
6.9MB
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memory/2640-32-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-24-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-26-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2640-29-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-22-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-20-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-36-0x00000000005D0000-0x0000000000610000-memory.dmpFilesize
256KB
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memory/2640-35-0x00000000745A0000-0x0000000074C8E000-memory.dmpFilesize
6.9MB
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memory/2640-34-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2640-37-0x00000000745A0000-0x0000000074C8E000-memory.dmpFilesize
6.9MB
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memory/2640-38-0x00000000005D0000-0x0000000000610000-memory.dmpFilesize
256KB
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memory/2640-42-0x00000000745A0000-0x0000000074C8E000-memory.dmpFilesize
6.9MB