Analysis
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max time kernel
153s -
max time network
154s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-08-2021 11:49
Static task
static1
Behavioral task
behavioral1
Sample
4266b679716ff4d74516f484d986d165.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
4266b679716ff4d74516f484d986d165.exe
Resource
win10v20210410
General
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Target
4266b679716ff4d74516f484d986d165.exe
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Size
181KB
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MD5
4266b679716ff4d74516f484d986d165
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SHA1
3a88516fa9f338787a28bc1f06254dca2ef4b856
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SHA256
fc2d4be12648dae97df783706ec9fea8396d3327428fa73b44e2968fbd7d3e8b
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SHA512
5cfc008976b4f7b9d2ef8fa53c7fa48556d94babacaf9b048a482803cd57a33028801387400a66e13a032f2281669ac0e9f6879c6bfa4ad696be1d31ef01ef57
Malware Config
Extracted
smokeloader
2020
http://readinglistforjuly1.xyz/
http://readinglistforjuly2.xyz/
http://readinglistforjuly3.xyz/
http://readinglistforjuly4.xyz/
http://readinglistforjuly5.xyz/
http://readinglistforjuly6.xyz/
http://readinglistforjuly7.xyz/
http://readinglistforjuly8.xyz/
http://readinglistforjuly9.xyz/
http://readinglistforjuly10.xyz/
http://readinglistforjuly1.site/
http://readinglistforjuly2.site/
http://readinglistforjuly3.site/
http://readinglistforjuly4.site/
http://readinglistforjuly5.site/
http://readinglistforjuly6.site/
http://readinglistforjuly7.site/
http://readinglistforjuly8.site/
http://readinglistforjuly9.site/
http://readinglistforjuly10.site/
http://readinglistforjuly1.club/
http://readinglistforjuly2.club/
http://readinglistforjuly3.club/
http://readinglistforjuly4.club/
http://readinglistforjuly5.club/
http://readinglistforjuly6.club/
http://readinglistforjuly7.club/
http://readinglistforjuly8.club/
http://readinglistforjuly9.club/
http://readinglistforjuly10.club/
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 C:\Users\Admin\AppData\Local\Temp\5A41.exe family_redline -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
50CE.exe5A41.exepid process 1552 50CE.exe 292 5A41.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
5A41.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 5A41.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 5A41.exe -
Deletes itself 1 IoCs
Processes:
pid process 1204 -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\5A41.exe themida behavioral1/memory/292-72-0x0000000001080000-0x0000000001081000-memory.dmp themida -
Processes:
5A41.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 5A41.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
5A41.exepid process 292 5A41.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
4266b679716ff4d74516f484d986d165.exedescription pid process target process PID 788 set thread context of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
4266b679716ff4d74516f484d986d165.exedescription ioc process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4266b679716ff4d74516f484d986d165.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4266b679716ff4d74516f484d986d165.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 4266b679716ff4d74516f484d986d165.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
4266b679716ff4d74516f484d986d165.exepid process 2020 4266b679716ff4d74516f484d986d165.exe 2020 4266b679716ff4d74516f484d986d165.exe 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 1204 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1204 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
4266b679716ff4d74516f484d986d165.exepid process 2020 4266b679716ff4d74516f484d986d165.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 1204 Token: SeShutdownPrivilege 1204 -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
pid process 1204 1204 1204 1204 -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
pid process 1204 1204 1204 1204 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
50CE.exepid process 1552 50CE.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
4266b679716ff4d74516f484d986d165.exedescription pid process target process PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 788 wrote to memory of 2020 788 4266b679716ff4d74516f484d986d165.exe 4266b679716ff4d74516f484d986d165.exe PID 1204 wrote to memory of 1552 1204 50CE.exe PID 1204 wrote to memory of 1552 1204 50CE.exe PID 1204 wrote to memory of 1552 1204 50CE.exe PID 1204 wrote to memory of 1552 1204 50CE.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe PID 1204 wrote to memory of 292 1204 5A41.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4266b679716ff4d74516f484d986d165.exe"C:\Users\Admin\AppData\Local\Temp\4266b679716ff4d74516f484d986d165.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:788 -
C:\Users\Admin\AppData\Local\Temp\4266b679716ff4d74516f484d986d165.exe"C:\Users\Admin\AppData\Local\Temp\4266b679716ff4d74516f484d986d165.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2020
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C:\Users\Admin\AppData\Local\Temp\50CE.exeC:\Users\Admin\AppData\Local\Temp\50CE.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1552
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C:\Users\Admin\AppData\Local\Temp\5A41.exeC:\Users\Admin\AppData\Local\Temp\5A41.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:292
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\50CE.exeMD5
a69e12607d01237460808fa1709e5e86
SHA14a12f82aee1c90e70cdf6be863ce1a749c8ae411
SHA256188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc
SHA5127533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284
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C:\Users\Admin\AppData\Local\Temp\5A41.exeMD5
1e0e17859c0a32b53ae0bafc4e55563b
SHA1590ef228cac03f6da4bdbc1b7e40557d61a3a043
SHA25676d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31
SHA5124494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72
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memory/292-69-0x0000000000000000-mapping.dmp
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memory/292-72-0x0000000001080000-0x0000000001081000-memory.dmpFilesize
4KB
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memory/788-63-0x00000000001B0000-0x00000000001BA000-memory.dmpFilesize
40KB
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memory/1204-64-0x0000000002AE0000-0x0000000002AF6000-memory.dmpFilesize
88KB
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memory/1552-65-0x0000000000000000-mapping.dmp
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memory/2020-61-0x0000000000402E1A-mapping.dmp
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memory/2020-60-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/2020-62-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB