Analysis
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max time kernel
150s -
max time network
180s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-08-2021 12:01
Static task
static1
Behavioral task
behavioral1
Sample
1dc89fc5b604f31481a49b769cc39a75.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
1dc89fc5b604f31481a49b769cc39a75.exe
Resource
win10v20210408
General
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Target
1dc89fc5b604f31481a49b769cc39a75.exe
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Size
181KB
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MD5
1dc89fc5b604f31481a49b769cc39a75
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SHA1
2ccdce3ee99e2268878ba83232e233d3b7fd9914
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SHA256
d1195982518ce6cf57fb9926ff08920a54ac3ada4fa1d559e70b3410f4d62bd9
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SHA512
2068c1bf08d79c1727923745086236f55c6f2bd522556a58e45bf706f7405610ae893f0f6bbce09d580879f2bfd80a4eec107cbbc1f7a5ff1cbcca0c009ca875
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\D1A2.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:
C707.exeD1A2.exepid process 784 C707.exe 932 D1A2.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
D1A2.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion D1A2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion D1A2.exe -
Deletes itself 1 IoCs
Processes:
pid process 1240 -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\D1A2.exe themida behavioral1/memory/932-72-0x0000000000ED0000-0x0000000000ED1000-memory.dmp themida -
Processes:
D1A2.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA D1A2.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
D1A2.exepid process 932 D1A2.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1dc89fc5b604f31481a49b769cc39a75.exedescription pid process target process PID 1660 set thread context of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
1dc89fc5b604f31481a49b769cc39a75.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1dc89fc5b604f31481a49b769cc39a75.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1dc89fc5b604f31481a49b769cc39a75.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1dc89fc5b604f31481a49b769cc39a75.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
1dc89fc5b604f31481a49b769cc39a75.exepid process 2024 1dc89fc5b604f31481a49b769cc39a75.exe 2024 1dc89fc5b604f31481a49b769cc39a75.exe 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 1240 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 1240 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
1dc89fc5b604f31481a49b769cc39a75.exepid process 2024 1dc89fc5b604f31481a49b769cc39a75.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 1240 Token: SeShutdownPrivilege 1240 -
Suspicious use of FindShellTrayWindow 4 IoCs
Processes:
pid process 1240 1240 1240 1240 -
Suspicious use of SendNotifyMessage 4 IoCs
Processes:
pid process 1240 1240 1240 1240 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
C707.exepid process 784 C707.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
1dc89fc5b604f31481a49b769cc39a75.exedescription pid process target process PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1660 wrote to memory of 2024 1660 1dc89fc5b604f31481a49b769cc39a75.exe 1dc89fc5b604f31481a49b769cc39a75.exe PID 1240 wrote to memory of 784 1240 C707.exe PID 1240 wrote to memory of 784 1240 C707.exe PID 1240 wrote to memory of 784 1240 C707.exe PID 1240 wrote to memory of 784 1240 C707.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe PID 1240 wrote to memory of 932 1240 D1A2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1dc89fc5b604f31481a49b769cc39a75.exe"C:\Users\Admin\AppData\Local\Temp\1dc89fc5b604f31481a49b769cc39a75.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Users\Admin\AppData\Local\Temp\1dc89fc5b604f31481a49b769cc39a75.exe"C:\Users\Admin\AppData\Local\Temp\1dc89fc5b604f31481a49b769cc39a75.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2024
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C:\Users\Admin\AppData\Local\Temp\C707.exeC:\Users\Admin\AppData\Local\Temp\C707.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:784
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C:\Users\Admin\AppData\Local\Temp\D1A2.exeC:\Users\Admin\AppData\Local\Temp\D1A2.exe1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:932
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\C707.exeMD5
a69e12607d01237460808fa1709e5e86
SHA14a12f82aee1c90e70cdf6be863ce1a749c8ae411
SHA256188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc
SHA5127533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284
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C:\Users\Admin\AppData\Local\Temp\D1A2.exeMD5
1e0e17859c0a32b53ae0bafc4e55563b
SHA1590ef228cac03f6da4bdbc1b7e40557d61a3a043
SHA25676d03b8781c66aa25d74ec788dc9c1370ee01000926882c8be7f89f5dcb01d31
SHA5124494ad485fb73538b3e6f5e8e94a073bdddaf6ac50877051078646828c80b71a1e50a09d0ce84f65b021cc1bb0b4d22f317c2eef0dc29513ee927a9c8e7cdf72
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memory/784-65-0x0000000000000000-mapping.dmp
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memory/932-69-0x0000000000000000-mapping.dmp
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memory/932-72-0x0000000000ED0000-0x0000000000ED1000-memory.dmpFilesize
4KB
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memory/1240-64-0x0000000002AB0000-0x0000000002AC6000-memory.dmpFilesize
88KB
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memory/1660-63-0x00000000001B0000-0x00000000001BA000-memory.dmpFilesize
40KB
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memory/2024-60-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/2024-62-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB
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memory/2024-61-0x0000000000402E1A-mapping.dmp