Analysis
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max time kernel
151s -
max time network
197s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-08-2021 11:09
Static task
static1
Behavioral task
behavioral1
Sample
6fe5bd5873aaaeb6ac65b0c36857e51d.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
6fe5bd5873aaaeb6ac65b0c36857e51d.exe
Resource
win10v20210410
General
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Target
6fe5bd5873aaaeb6ac65b0c36857e51d.exe
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Size
181KB
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MD5
6fe5bd5873aaaeb6ac65b0c36857e51d
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SHA1
0c2ee10d505b91e60bea89fb5bb8ba54768fec1f
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SHA256
0192b858039b3182dfd17ce582c9398dc1495566082de0f6a76279585bacf8e5
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SHA512
7d02b77b41cfb2923a4444a119c9cb4e97804198e08a3a66dc4562a33f91e9cadb5a41bf4d33ad13a1e5154089d4d104de868ac6711889f6b8921273217412eb
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 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\24D0.exe family_redline C:\Users\Admin\AppData\Local\Temp\2BB4.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 3 IoCs
Processes:
1BDA.exe24D0.exe2BB4.exepid process 756 1BDA.exe 1448 24D0.exe 1832 2BB4.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
24D0.exe2BB4.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 24D0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 24D0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2BB4.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 2BB4.exe -
Deletes itself 1 IoCs
Processes:
pid process 1264 -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\24D0.exe themida behavioral1/memory/1448-72-0x00000000011C0000-0x00000000011C1000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\2BB4.exe themida behavioral1/memory/1832-77-0x00000000000E0000-0x00000000000E1000-memory.dmp themida -
Processes:
24D0.exe2BB4.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 24D0.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 2BB4.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
24D0.exe2BB4.exepid process 1448 24D0.exe 1832 2BB4.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6fe5bd5873aaaeb6ac65b0c36857e51d.exedescription pid process target process PID 1660 set thread context of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
6fe5bd5873aaaeb6ac65b0c36857e51d.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6fe5bd5873aaaeb6ac65b0c36857e51d.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6fe5bd5873aaaeb6ac65b0c36857e51d.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6fe5bd5873aaaeb6ac65b0c36857e51d.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
6fe5bd5873aaaeb6ac65b0c36857e51d.exepid process 1104 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 1104 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 1264 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1264 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
6fe5bd5873aaaeb6ac65b0c36857e51d.exepid process 1104 6fe5bd5873aaaeb6ac65b0c36857e51d.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
24D0.exedescription pid process Token: SeShutdownPrivilege 1264 Token: SeShutdownPrivilege 1264 Token: SeDebugPrivilege 1448 24D0.exe Token: SeShutdownPrivilege 1264 Token: SeShutdownPrivilege 1264 -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
pid process 1264 1264 1264 1264 -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
pid process 1264 1264 1264 1264 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
1BDA.exepid process 756 1BDA.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
6fe5bd5873aaaeb6ac65b0c36857e51d.exedescription pid process target process PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1660 wrote to memory of 1104 1660 6fe5bd5873aaaeb6ac65b0c36857e51d.exe 6fe5bd5873aaaeb6ac65b0c36857e51d.exe PID 1264 wrote to memory of 756 1264 1BDA.exe PID 1264 wrote to memory of 756 1264 1BDA.exe PID 1264 wrote to memory of 756 1264 1BDA.exe PID 1264 wrote to memory of 756 1264 1BDA.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1448 1264 24D0.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe PID 1264 wrote to memory of 1832 1264 2BB4.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"C:\Users\Admin\AppData\Local\Temp\6fe5bd5873aaaeb6ac65b0c36857e51d.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\1BDA.exeC:\Users\Admin\AppData\Local\Temp\1BDA.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\24D0.exeC:\Users\Admin\AppData\Local\Temp\24D0.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\2BB4.exeC:\Users\Admin\AppData\Local\Temp\2BB4.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\1BDA.exeMD5
a69e12607d01237460808fa1709e5e86
SHA14a12f82aee1c90e70cdf6be863ce1a749c8ae411
SHA256188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc
SHA5127533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284
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C:\Users\Admin\AppData\Local\Temp\24D0.exeMD5
1e0e17859c0a32b53ae0bafc4e55563b
SHA1590ef228cac03f6da4bdbc1b7e40557d61a3a043
SHA25676d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31
SHA5124494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72
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C:\Users\Admin\AppData\Local\Temp\2BB4.exeMD5
fa2170ab2dfa330d961cccf8e93c757b
SHA1d3fd7ae0be7954a547169e29a44d467f14dfb340
SHA25678f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0
SHA5123880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e
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memory/756-65-0x0000000000000000-mapping.dmp
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memory/1104-61-0x0000000000402E1A-mapping.dmp
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memory/1104-62-0x00000000753B1000-0x00000000753B3000-memory.dmpFilesize
8KB
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memory/1104-60-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1264-64-0x0000000002C80000-0x0000000002C96000-memory.dmpFilesize
88KB
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memory/1448-72-0x00000000011C0000-0x00000000011C1000-memory.dmpFilesize
4KB
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memory/1448-69-0x0000000000000000-mapping.dmp
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memory/1660-63-0x0000000000220000-0x000000000022A000-memory.dmpFilesize
40KB
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memory/1832-74-0x0000000000000000-mapping.dmp
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memory/1832-77-0x00000000000E0000-0x00000000000E1000-memory.dmpFilesize
4KB