Analysis
- max time kernel
150s - max time network
125s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system - submitted
15/02/2024, 17:37
Static task
static1
Behavioral task
behavioral1
Sample
3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe
Resource
win7-20231215-en
General
- Target 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe
- Size 242KB
- Sample240215-v7ew9ada49
- SHA256 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b
- MD5 92e703e3eb865f010994a8243fc92ac5
- SHA1 16cbb30e73a484f79688bd45e730983e34471c6a
- SHA512 6e308ec9ef49a82dc3a15c4793a6ba28f74590f1eb130e356217ecc855d2dd321e398ff643576a14ffdac016c277caea4ba73c38296f66f9f5c22cbc8ab6abd5
- SSDEEP 3072:A2BJvw5pvw9qIMXoDMGCftSmVizjTE0i1m5QhLu1c3Gda5zq2hdl:A0JEv4qIKFtX4jUmcfq
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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smokeloader
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pub3
Extracted
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smokeloader
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2022
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http://sjyey.com/tmp/index.php
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http://babonwo.ru/tmp/index.php
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http://mth.com.ua/tmp/index.php
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http://piratia.pw/tmp/index.php
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http://go-piratia.ru/tmp/index.php
Extracted
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amadey
-
4.14
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http://anfesq.com
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http://cbinr.com
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http://rimakc.ru
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install_dir
68fd3d7ade
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install_file
Utsysc.exe
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strings_key
27ec7fd6f50f63b8af0c1d3deefcc8fe
-
url_paths
/forum/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Deletes itself 1 IoCs
pid Process 1344 Process not Found - Executes dropped EXE 5 IoCs
pid Process 2132 B1F1.exe 1132 Utsysc.exe 1224 Utsysc.exe 2864 Utsysc.exe 2648 wcegush - Loads dropped DLL 44 IoCs
pid Process 2132 B1F1.exe 2132 B1F1.exe 768 rundll32.exe 768 rundll32.exe 768 rundll32.exe 768 rundll32.exe 1468 rundll32.exe 1468 rundll32.exe 1468 rundll32.exe 1468 rundll32.exe 1408 WerFault.exe 1408 WerFault.exe 2084 rundll32.exe 2084 rundll32.exe 2084 rundll32.exe 2084 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe 1632 rundll32.exe 1528 WerFault.exe 1528 WerFault.exe 2424 rundll32.exe 2424 rundll32.exe 2424 rundll32.exe 2424 rundll32.exe 656 rundll32.exe 656 rundll32.exe 656 rundll32.exe 656 rundll32.exe 1492 WerFault.exe 1492 WerFault.exe 1880 rundll32.exe 1880 rundll32.exe 1880 rundll32.exe 1880 rundll32.exe 2540 rundll32.exe 2540 rundll32.exe 2540 rundll32.exe 2540 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe 1052 rundll32.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcegush Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcegush Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcegush Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe - Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2632 schtasks.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2224 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe 2224 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found 1344 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2224 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe 2648 wcegush - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeShutdownPrivilege 1344 Process not Found Token: SeShutdownPrivilege 1344 Process not Found Token: SeShutdownPrivilege 1344 Process not Found - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 1344 Process not Found 1344 Process not Found 2132 B1F1.exe - Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1344 Process not Found 1344 Process not Found - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1344 wrote to memory of 2132 1344 Process not Found 28 PID 1344 wrote to memory of 2132 1344 Process not Found 28 PID 1344 wrote to memory of 2132 1344 Process not Found 28 PID 1344 wrote to memory of 2132 1344 Process not Found 28 PID 2132 wrote to memory of 1132 2132 B1F1.exe 29 PID 2132 wrote to memory of 1132 2132 B1F1.exe 29 PID 2132 wrote to memory of 1132 2132 B1F1.exe 29 PID 2132 wrote to memory of 1132 2132 B1F1.exe 29 PID 1132 wrote to memory of 2632 1132 Utsysc.exe 30 PID 1132 wrote to memory of 2632 1132 Utsysc.exe 30 PID 1132 wrote to memory of 2632 1132 Utsysc.exe 30 PID 1132 wrote to memory of 2632 1132 Utsysc.exe 30 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 1132 wrote to memory of 768 1132 Utsysc.exe 36 PID 768 wrote to memory of 1468 768 rundll32.exe 37 PID 768 wrote to memory of 1468 768 rundll32.exe 37 PID 768 wrote to memory of 1468 768 rundll32.exe 37 PID 768 wrote to memory of 1468 768 rundll32.exe 37 PID 1468 wrote to memory of 1408 1468 rundll32.exe 38 PID 1468 wrote to memory of 1408 1468 rundll32.exe 38 PID 1468 wrote to memory of 1408 1468 rundll32.exe 38 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 1132 wrote to memory of 2084 1132 Utsysc.exe 39 PID 2084 wrote to memory of 1632 2084 rundll32.exe 40 PID 2084 wrote to memory of 1632 2084 rundll32.exe 40 PID 2084 wrote to memory of 1632 2084 rundll32.exe 40 PID 2084 wrote to memory of 1632 2084 rundll32.exe 40 PID 1632 wrote to memory of 1528 1632 rundll32.exe 41 PID 1632 wrote to memory of 1528 1632 rundll32.exe 41 PID 1632 wrote to memory of 1528 1632 rundll32.exe 41 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 1132 wrote to memory of 2424 1132 Utsysc.exe 42 PID 2424 wrote to memory of 656 2424 rundll32.exe 43 PID 2424 wrote to memory of 656 2424 rundll32.exe 43 PID 2424 wrote to memory of 656 2424 rundll32.exe 43 PID 2424 wrote to memory of 656 2424 rundll32.exe 43 PID 656 wrote to memory of 1492 656 rundll32.exe 44 PID 656 wrote to memory of 1492 656 rundll32.exe 44 PID 656 wrote to memory of 1492 656 rundll32.exe 44 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 1132 wrote to memory of 1880 1132 Utsysc.exe 45 PID 2012 wrote to memory of 1224 2012 taskeng.exe 48 PID 2012 wrote to memory of 1224 2012 taskeng.exe 48 PID 2012 wrote to memory of 1224 2012 taskeng.exe 48
Processes
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C:\Users\Admin\AppData\Local\Temp\3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe"C:\Users\Admin\AppData\Local\Temp\3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2224
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C:\Users\Admin\AppData\Local\Temp\B1F1.exeC:\Users\Admin\AppData\Local\Temp\B1F1.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN Utsysc.exe /TR "C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe" /F3⤵
- Creates scheduled task(s)
PID:2632
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:768 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1468 -s 3125⤵
- Loads dropped DLL
PID:1408
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1632 -s 3125⤵
- Loads dropped DLL
PID:1528
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll, Main4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 656 -s 3125⤵
- Loads dropped DLL
PID:1492
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main3⤵
- Loads dropped DLL
PID:1880
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main3⤵
- Loads dropped DLL
PID:2540
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll, Main3⤵
- Loads dropped DLL
PID:1052
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C:\Windows\system32\taskeng.exetaskeng.exe {1B6E16F9-DFC6-414C-820B-289F5F92177A} S-1-5-21-928733405-3780110381-2966456290-1000:VTILVGXH\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe2⤵
- Executes dropped EXE
PID:1224
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C:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exeC:\Users\Admin\AppData\Local\Temp\68fd3d7ade\Utsysc.exe2⤵
- Executes dropped EXE
PID:2864
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C:\Users\Admin\AppData\Roaming\wcegushC:\Users\Admin\AppData\Roaming\wcegush2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2648
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\287334053780
- Size 67KB
- SHA256 3d130910e28426d065f8842bfec5ea46358f95dd1e46e66a0ecd15a2c8db2a21
- MD5 8d200a823821b72ee71b341270a6b304
- SHA1 01e873963b03895e798d2d7c3c51ae093ebae632
- SHA512 e7dae632018702a6edc553ee7f9bc7e284177fe18efa1b84926e8435b7644987b363845f80c5e12cdf4de80dfe45c3079f095a217d800e8b7a050365a73c9331
- SSDEEP 1536:sL9G2Xa0BEJEKC0jNXdDuwgaIKvOTA4ZeCx+374tY:W7a0eEKC03DuBadGReCx+374tY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\B1F1.exe
- Size 388KB
- SHA256 8e041d73ebb85ce34c5536ca2d489f6c057a95557600ccf920750fb33361336b
- MD5 1dbe983758ed1f2a451ef25b5ed14d26
- SHA1 afa8bc3cbe1bc620e98b2af715338e0c54b0811a
- SHA512 6a4a7c547f7d35b67866b4a2b4d900c5074fd8fbad6f6352ba1a71abea96119b5d41843172eff99022a1711d5b9f2a6db088720c4712dadebd15a672a2d98349
- SSDEEP 6144:TklG7Ht6kvQ289X/vMLjgOIOd8NMAR78SRpkrU:TklGx6c89X3MP3IvNMARGY
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\2eed656dd58e95\clip64.dll
- Size 102KB
- SHA256 97e342fb4dbfe474ab2674682a816931bb9f56814bf13b20ff11ac1939775125
- MD5 4194e9b8b694b1e9b672c36f0d868e32
- SHA1 252f27fe313c7bf8e9f36aef0c7b676383872efb
- SHA512 f956acdec4c0255030f784d27210d59e30c3377e0a5abec915818bde8545afc3ef04a06395a2bfa5946f86cdf1088c9089bfc5064d9fd71b8137eae14f64e5c7
- SSDEEP 3072:SbEDxEOC3+EX4W2sosmLWuQRAwQrT7xUCYNS60Z:iM7HQ+sCWuQRYoNS60Z
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\2eed656dd58e95\cred64.dll
- Size 1.1MB
- SHA256 83ef6d2414a5c0c9cb6cfe502cb40cdda5c425ee7408a4075e32891f4599d938
- MD5 f01f5bc76b9596e0cfeab8a272cba3a5
- SHA1 19cab1291e4e518ae636f2fb3d41567e4e6e4722
- SHA512 ccfa16f0bbcdb909446fc4d47c1732e0b1baa759d78866fcce9ac7c5c12f1299e74df03b23881f3e37627b358bc6ddd2941c9110e030f6d68dd79f67c9e39f63
- SSDEEP 24576:Pc6CX/YqLAS81Un+J35XBMpZ9+Jo73Jw/tDMX/td:rqLAS81UnI5XQZ92ogO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\wcegush
- Size 242KB
- SHA256 3f1c152ada8da96c64fb64d115a36b6fb9917b184ca8eef47af3822d378e2e1b
- MD5 92e703e3eb865f010994a8243fc92ac5
- SHA1 16cbb30e73a484f79688bd45e730983e34471c6a
- SHA512 6e308ec9ef49a82dc3a15c4793a6ba28f74590f1eb130e356217ecc855d2dd321e398ff643576a14ffdac016c277caea4ba73c38296f66f9f5c22cbc8ab6abd5
- SSDEEP 3072:A2BJvw5pvw9qIMXoDMGCftSmVizjTE0i1m5QhLu1c3Gda5zq2hdl:A0JEv4qIKFtX4jUmcfq
- MD5 SHA1 SHA512 SSDEEP