Analysis
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max time kernel
151s -
max time network
195s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-08-2021 11:44
Static task
static1
Behavioral task
behavioral1
Sample
336d42b9644d1e90e0c61c1af09e0832.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
336d42b9644d1e90e0c61c1af09e0832.exe
Resource
win10v20210408
General
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Target
336d42b9644d1e90e0c61c1af09e0832.exe
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Size
182KB
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MD5
336d42b9644d1e90e0c61c1af09e0832
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SHA1
ff2d1e486bbb5435af8d3debeb3d2de63df6b100
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SHA256
e545972e3e71fb03424e4a4e00144be6d67b1c92ca8c34608725cf10ffe944bf
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SHA512
8e9681b850335f612cdfd08ddfdb9289fafde92e0861898239b2e877ed943a36cc6409f100439e627739940ac25b262842384457a050dab0207d79b63fff2971
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\E37D.exe family_redline C:\Users\Admin\AppData\Local\Temp\EB2C.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:
DAF4.exeE37D.exeEB2C.exepid process 1364 DAF4.exe 1496 E37D.exe 1692 EB2C.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
E37D.exeEB2C.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion E37D.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion EB2C.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion EB2C.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion E37D.exe -
Deletes itself 1 IoCs
Processes:
pid process 1256 -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\E37D.exe themida behavioral1/memory/1496-71-0x0000000000800000-0x0000000000801000-memory.dmp themida C:\Users\Admin\AppData\Local\Temp\EB2C.exe themida behavioral1/memory/1692-77-0x0000000000310000-0x0000000000311000-memory.dmp themida -
Processes:
E37D.exeEB2C.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA E37D.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA EB2C.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
E37D.exeEB2C.exepid process 1496 E37D.exe 1692 EB2C.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
336d42b9644d1e90e0c61c1af09e0832.exedescription pid process target process PID 752 set thread context of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
336d42b9644d1e90e0c61c1af09e0832.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 336d42b9644d1e90e0c61c1af09e0832.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 336d42b9644d1e90e0c61c1af09e0832.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 336d42b9644d1e90e0c61c1af09e0832.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
336d42b9644d1e90e0c61c1af09e0832.exepid process 1980 336d42b9644d1e90e0c61c1af09e0832.exe 1980 336d42b9644d1e90e0c61c1af09e0832.exe 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 1256 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1256 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
336d42b9644d1e90e0c61c1af09e0832.exepid process 1980 336d42b9644d1e90e0c61c1af09e0832.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
E37D.exeEB2C.exedescription pid process Token: SeShutdownPrivilege 1256 Token: SeShutdownPrivilege 1256 Token: SeDebugPrivilege 1496 E37D.exe Token: SeShutdownPrivilege 1256 Token: SeShutdownPrivilege 1256 Token: SeDebugPrivilege 1692 EB2C.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
Processes:
pid process 1256 1256 1256 1256 1256 1256 -
Suspicious use of SendNotifyMessage 6 IoCs
Processes:
pid process 1256 1256 1256 1256 1256 1256 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
DAF4.exepid process 1364 DAF4.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
336d42b9644d1e90e0c61c1af09e0832.exedescription pid process target process PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 752 wrote to memory of 1980 752 336d42b9644d1e90e0c61c1af09e0832.exe 336d42b9644d1e90e0c61c1af09e0832.exe PID 1256 wrote to memory of 1364 1256 DAF4.exe PID 1256 wrote to memory of 1364 1256 DAF4.exe PID 1256 wrote to memory of 1364 1256 DAF4.exe PID 1256 wrote to memory of 1364 1256 DAF4.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1496 1256 E37D.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe PID 1256 wrote to memory of 1692 1256 EB2C.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\336d42b9644d1e90e0c61c1af09e0832.exe"C:\Users\Admin\AppData\Local\Temp\336d42b9644d1e90e0c61c1af09e0832.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\336d42b9644d1e90e0c61c1af09e0832.exe"C:\Users\Admin\AppData\Local\Temp\336d42b9644d1e90e0c61c1af09e0832.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\DAF4.exeC:\Users\Admin\AppData\Local\Temp\DAF4.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\E37D.exeC:\Users\Admin\AppData\Local\Temp\E37D.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\EB2C.exeC:\Users\Admin\AppData\Local\Temp\EB2C.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
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\DAF4.exeMD5
a69e12607d01237460808fa1709e5e86
SHA14a12f82aee1c90e70cdf6be863ce1a749c8ae411
SHA256188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc
SHA5127533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284
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C:\Users\Admin\AppData\Local\Temp\E37D.exeMD5
1e0e17859c0a32b53ae0bafc4e55563b
SHA1590ef228cac03f6da4bdbc1b7e40557d61a3a043
SHA25676d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31
SHA5124494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72
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C:\Users\Admin\AppData\Local\Temp\EB2C.exeMD5
fa2170ab2dfa330d961cccf8e93c757b
SHA1d3fd7ae0be7954a547169e29a44d467f14dfb340
SHA25678f4272d2904fd5539aa41955c99968e0971e167a5d9b42389e9a51ab79cf1b0
SHA5123880238681560639c153492eaf4a06fc738fed56e6cf3fb64ccd15f47046d04dccae17ff541a5eb32724b7af2a231169dc7c879eea54d2781fbc7429c1bedd4e
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memory/752-62-0x0000000000220000-0x000000000022A000-memory.dmpFilesize
40KB
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memory/1256-63-0x0000000002C20000-0x0000000002C36000-memory.dmpFilesize
88KB
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memory/1364-64-0x0000000000000000-mapping.dmp
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memory/1496-68-0x0000000000000000-mapping.dmp
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memory/1496-71-0x0000000000800000-0x0000000000801000-memory.dmpFilesize
4KB
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memory/1496-73-0x00000000050C0000-0x00000000050C1000-memory.dmpFilesize
4KB
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memory/1692-74-0x0000000000000000-mapping.dmp
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memory/1692-77-0x0000000000310000-0x0000000000311000-memory.dmpFilesize
4KB
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memory/1980-61-0x0000000075A71000-0x0000000075A73000-memory.dmpFilesize
8KB
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memory/1980-59-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1980-60-0x0000000000402E1A-mapping.dmp