Analysis
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max time kernel
185s -
max time network
324s -
platform
windows10-1703_x64 -
resource
win10-20231215-en -
resource tags
arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-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 1 IoCs
Processes:
resource yara_rule behavioral2/memory/924-21-0x0000000000400000-0x0000000000452000-memory.dmp family_redline -
Loads dropped DLL 1 IoCs
Processes:
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exepid process 4432 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 4432 set thread context of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
MsBuild.exepid process 924 MsBuild.exe 924 MsBuild.exe 924 MsBuild.exe 924 MsBuild.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
MsBuild.exedescription pid process Token: SeDebugPrivilege 924 MsBuild.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exedescription pid process target process PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 de5b12b7d320bb45eabbb5bbcb80668d01b3c3f4bff3b25f418c90e4506b4637.exe MsBuild.exe PID 4432 wrote to memory of 924 4432 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
105KB
MD5688c744cebbc99ce19b9b392980a827d
SHA156adaf0b7df7bdd133468b4b4c64eced5014e7d4
SHA256dfd9f1fee2cad02df523dde8c7428a762e5463174e15220d565c72fe00a69106
SHA51252192de5b9b13dc427eaa8a11a15f885515aaa26f65064dd0f370a3f462de36fed709bda8f158ecbbde52e0b5f8117d2a924857874686754061f42cba0ab60ed
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memory/924-32-0x0000000005900000-0x000000000593E000-memory.dmpFilesize
248KB
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memory/924-33-0x0000000005FB0000-0x0000000005FFB000-memory.dmpFilesize
300KB
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memory/924-41-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB
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memory/924-22-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB
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memory/924-38-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB
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memory/924-37-0x0000000007500000-0x0000000007550000-memory.dmpFilesize
320KB
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memory/924-36-0x00000000077A0000-0x0000000007CCC000-memory.dmpFilesize
5.2MB
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memory/924-35-0x00000000070A0000-0x0000000007262000-memory.dmpFilesize
1.8MB
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memory/924-34-0x0000000006100000-0x0000000006166000-memory.dmpFilesize
408KB
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memory/924-25-0x0000000005AB0000-0x0000000005FAE000-memory.dmpFilesize
5.0MB
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memory/924-31-0x00000000058A0000-0x00000000058B2000-memory.dmpFilesize
72KB
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memory/924-30-0x0000000005970000-0x0000000005A7A000-memory.dmpFilesize
1.0MB
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memory/924-29-0x00000000065C0000-0x0000000006BC6000-memory.dmpFilesize
6.0MB
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memory/924-21-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/924-28-0x00000000056F0000-0x00000000056FA000-memory.dmpFilesize
40KB
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memory/924-27-0x0000000005790000-0x00000000057A0000-memory.dmpFilesize
64KB
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memory/924-39-0x0000000005790000-0x00000000057A0000-memory.dmpFilesize
64KB
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memory/924-26-0x0000000005650000-0x00000000056E2000-memory.dmpFilesize
584KB
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memory/4432-15-0x0000000004F70000-0x0000000004F80000-memory.dmpFilesize
64KB
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memory/4432-6-0x0000000006810000-0x00000000069A2000-memory.dmpFilesize
1.6MB
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memory/4432-4-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-19-0x0000000006C30000-0x0000000006D30000-memory.dmpFilesize
1024KB
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memory/4432-20-0x0000000006C30000-0x0000000006D30000-memory.dmpFilesize
1024KB
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memory/4432-17-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-16-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-14-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-1-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB
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memory/4432-2-0x0000000004F90000-0x000000000502C000-memory.dmpFilesize
624KB
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memory/4432-13-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-12-0x00000000050F0000-0x0000000005100000-memory.dmpFilesize
64KB
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memory/4432-0-0x0000000000290000-0x0000000000656000-memory.dmpFilesize
3.8MB
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memory/4432-24-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB
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memory/4432-5-0x0000000005400000-0x00000000056DA000-memory.dmpFilesize
2.9MB
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memory/4432-18-0x0000000006C30000-0x0000000006D30000-memory.dmpFilesize
1024KB
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memory/4432-3-0x0000000073790000-0x0000000073E7E000-memory.dmpFilesize
6.9MB