Analysis
- max time kernel
150s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
13/02/2023, 15:13
Static task
static1
Behavioral task
behavioral1
Sample
847df7499a12b558a430705d38bc102f.exe
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
847df7499a12b558a430705d38bc102f.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target 847df7499a12b558a430705d38bc102f.exe
- Size 179KB
- Sample230213-slq2aade4x
- SHA256 afb9be9201a75b4794d6565b9edcbbbc9419adae67797a52dcbbc1da899b3708
- MD5 847df7499a12b558a430705d38bc102f
- SHA1 1cb8d00b5c6d59017fcc726752f92a897675e7e7
- SHA512 3a0efa56a7c866df6825de104f82c752a230bf75c6b45dbffe97501c800febf5b47eb86572afb99667cdcad031bd33ec2531adbb1c7cb23b90a8593a8d47951b
- SSDEEP 1536:qR51PFCTj72kma5XBm19H2dazhHhSVriS52h/+Rch4NxQpUJKJJYvIybq41t0OEo:qJPcL5XBI5YaNHOWSwl3yxKRJYdq41E
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
resource yara_rule behavioral2/memory/3036-133-0x0000000000940000-0x0000000000949000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
pid Process 3484 EBBC.exe - Loads dropped DLL 2 IoCs
pid Process 4476 rundll32.exe 4476 rundll32.exe - Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 847df7499a12b558a430705d38bc102f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 847df7499a12b558a430705d38bc102f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 847df7499a12b558a430705d38bc102f.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3036 847df7499a12b558a430705d38bc102f.exe 3036 847df7499a12b558a430705d38bc102f.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3036 847df7499a12b558a430705d38bc102f.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found Token: SeShutdownPrivilege 2864 Process not Found Token: SeCreatePagefilePrivilege 2864 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2864 wrote to memory of 3484 2864 Process not Found 86 PID 2864 wrote to memory of 3484 2864 Process not Found 86 PID 2864 wrote to memory of 3484 2864 Process not Found 86 PID 3484 wrote to memory of 4476 3484 EBBC.exe 88 PID 3484 wrote to memory of 4476 3484 EBBC.exe 88 PID 3484 wrote to memory of 4476 3484 EBBC.exe 88
Processes
-
C:\Users\Admin\AppData\Local\Temp\847df7499a12b558a430705d38bc102f.exe"C:\Users\Admin\AppData\Local\Temp\847df7499a12b558a430705d38bc102f.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3036
-
C:\Users\Admin\AppData\Local\Temp\EBBC.exeC:\Users\Admin\AppData\Local\Temp\EBBC.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3484 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Ruifriwreh.dll,start2⤵
- Loads dropped DLL
PID:4476
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\EBBC.exe
- Size 3.6MB
- SHA256 dd0b0e73613718c349ef44e8b2ba6650bff678a3a2d4e857bfc3d9369cbf0e2a
- MD5 ef5551169969f613798eb4ddb129b69a
- SHA1 e9e7107ddcfa1a6fc489b5c5871701dc6fdd9cde
- SHA512 2644c47fe214f4c95fca2e0afaedaecc98b531452e13b0fead35d3aab286d1b6ae42c313070c23d5092c242d299004f900e26b4930a86dbfe88b688ea3e7e448
- SSDEEP 98304:jtUwU7+c7ZuJiNlE6Unze625FZyloFHu85Tmi2:xUSc7ZuUNlEZiFJylSO85i7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\EBBC.exe
- Size 3.6MB
- SHA256 dd0b0e73613718c349ef44e8b2ba6650bff678a3a2d4e857bfc3d9369cbf0e2a
- MD5 ef5551169969f613798eb4ddb129b69a
- SHA1 e9e7107ddcfa1a6fc489b5c5871701dc6fdd9cde
- SHA512 2644c47fe214f4c95fca2e0afaedaecc98b531452e13b0fead35d3aab286d1b6ae42c313070c23d5092c242d299004f900e26b4930a86dbfe88b688ea3e7e448
- SSDEEP 98304:jtUwU7+c7ZuJiNlE6Unze625FZyloFHu85Tmi2:xUSc7ZuUNlEZiFJylSO85i7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Ruifriwreh.dll
- Size 4.3MB
- SHA256 3d0a9bcd9ad7e194d332ecad96363910977d7be7b7a2c3b1162b97aa72889934
- MD5 80f365b5fe7791c5cf01c6081ec8cbcf
- SHA1 0c3b246a76c55163b2061b08f62cc0cb06d75080
- SHA512 59d78c7e06788a4093fe02d24bc4ad3170acf5866f8b9d65545312e6c9ceca3dd2b853d74a3557a75bf7d1e689396f530fde30c37d08a90ad3d928c23e4198db
- SSDEEP 98304:XJIkmx5C4J/FM844K9g15wwRZwVVvg5U1yuXVdjcC0ZyL:Skmm4J/m844Ft/1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Ruifriwreh.dll
- Size 4.3MB
- SHA256 3d0a9bcd9ad7e194d332ecad96363910977d7be7b7a2c3b1162b97aa72889934
- MD5 80f365b5fe7791c5cf01c6081ec8cbcf
- SHA1 0c3b246a76c55163b2061b08f62cc0cb06d75080
- SHA512 59d78c7e06788a4093fe02d24bc4ad3170acf5866f8b9d65545312e6c9ceca3dd2b853d74a3557a75bf7d1e689396f530fde30c37d08a90ad3d928c23e4198db
- SSDEEP 98304:XJIkmx5C4J/FM844K9g15wwRZwVVvg5U1yuXVdjcC0ZyL:Skmm4J/m844Ft/1
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\Ruifriwreh.dll
- Size 4.3MB
- SHA256 3d0a9bcd9ad7e194d332ecad96363910977d7be7b7a2c3b1162b97aa72889934
- MD5 80f365b5fe7791c5cf01c6081ec8cbcf
- SHA1 0c3b246a76c55163b2061b08f62cc0cb06d75080
- SHA512 59d78c7e06788a4093fe02d24bc4ad3170acf5866f8b9d65545312e6c9ceca3dd2b853d74a3557a75bf7d1e689396f530fde30c37d08a90ad3d928c23e4198db
- SSDEEP 98304:XJIkmx5C4J/FM844K9g15wwRZwVVvg5U1yuXVdjcC0ZyL:Skmm4J/m844Ft/1
- MD5 SHA1 SHA512 SSDEEP