Analysis
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max time kernel
35s -
max time network
36s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 18:36
Behavioral task
behavioral1
Sample
Build.exe
Resource
win7-20240220-en
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
Build.exe
Resource
win10v2004-20240611-en
5 signatures
150 seconds
General
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Target
Build.exe
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Size
141KB
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MD5
19e47b9abf123f4502545a5fcb43c855
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SHA1
c722baba8294f20abdb344b61d72d444a4171b62
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SHA256
d3215483bba6219bb6587367aa3fa8c1737706497ed4befcb175649dc00e7be2
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SHA512
8c358748e913fdf227b58f6a46719fa7582295e30dcfe9b06fce624240d066f666d481d661ee42b106ff32e78877993d9680e921a9bc1fca4aa00269d2b09173
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SSDEEP
3072:FK1JZOpTvVQZ+rcIeRYs6YmszJqoD2X7BpGGoMTb3R35dINX9r59x4:kOpu0rjeRbVJqoDC1pGGoMTb3RDINN
Score
10/10
Malware Config
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/808-1-0x0000000000AB0000-0x0000000000ADA000-memory.dmp family_redline -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 968 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Build.exetaskkill.exedescription pid process Token: SeDebugPrivilege 808 Build.exe Token: SeDebugPrivilege 968 taskkill.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
Build.execmd.exedescription pid process target process PID 808 wrote to memory of 4984 808 Build.exe cmd.exe PID 808 wrote to memory of 4984 808 Build.exe cmd.exe PID 808 wrote to memory of 4984 808 Build.exe cmd.exe PID 4984 wrote to memory of 968 4984 cmd.exe taskkill.exe PID 4984 wrote to memory of 968 4984 cmd.exe taskkill.exe PID 4984 wrote to memory of 968 4984 cmd.exe taskkill.exe PID 4984 wrote to memory of 2188 4984 cmd.exe choice.exe PID 4984 wrote to memory of 2188 4984 cmd.exe choice.exe PID 4984 wrote to memory of 2188 4984 cmd.exe choice.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Build.exe"C:\Users\Admin\AppData\Local\Temp\Build.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C taskkill /F /PID 808 && choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\Build.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /F /PID 8083⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\choice.exechoice /C Y /N /D Y /T 33⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/808-0-0x0000000074EFE000-0x0000000074EFF000-memory.dmpFilesize
4KB
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memory/808-1-0x0000000000AB0000-0x0000000000ADA000-memory.dmpFilesize
168KB
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memory/808-3-0x0000000074EF0000-0x00000000756A0000-memory.dmpFilesize
7.7MB
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memory/808-2-0x0000000005A20000-0x0000000006038000-memory.dmpFilesize
6.1MB
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memory/808-4-0x0000000005350000-0x0000000005362000-memory.dmpFilesize
72KB
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memory/808-5-0x00000000053B0000-0x00000000053EC000-memory.dmpFilesize
240KB
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memory/808-6-0x0000000005400000-0x000000000544C000-memory.dmpFilesize
304KB
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memory/808-7-0x0000000005670000-0x000000000577A000-memory.dmpFilesize
1.0MB
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memory/808-8-0x0000000074EFE000-0x0000000074EFF000-memory.dmpFilesize
4KB
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memory/808-9-0x0000000074EF0000-0x00000000756A0000-memory.dmpFilesize
7.7MB