Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
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submitted
20-12-2022 10:30
General
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Target
bbce2762d2cf06a4cbeae8b8eca305986c8ede78877bca908d80d522ac874f40.exe
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Size
218KB
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MD5
0139b09e55c73d86375be0662c5674b9
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SHA1
32c9ee8ac02ef2d8c6d49229c5891a96f983e487
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SHA256
bbce2762d2cf06a4cbeae8b8eca305986c8ede78877bca908d80d522ac874f40
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SHA512
a83854daeb1a27cecfaa1b119c2a6502c33b4dd7c55ded378e4e35a770bbc6bc1e1e10cdd86a042112300cfa77d0614a4af4414cb8f8320e8acc6ef5721de8fd
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SSDEEP
3072:f9p8+LkEERQGHRACUE6zANxp/XMGyt3VW7b/FnlcNHCDml:fH8+Lk3Rge6k3WfVOtkCa
Malware Config
Extracted
systembc
109.205.214.18:443
Signatures
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Detects Smokeloader packer 1 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
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Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
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Drops file in Windows directory 2 IoCs
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Program crash 1 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\bbce2762d2cf06a4cbeae8b8eca305986c8ede78877bca908d80d522ac874f40.exe"C:\Users\Admin\AppData\Local\Temp\bbce2762d2cf06a4cbeae8b8eca305986c8ede78877bca908d80d522ac874f40.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4527.exeC:\Users\Admin\AppData\Local\Temp\4527.exe1⤵
- Executes dropped EXE
- Drops file in Windows directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2224 -s 4922⤵
- Program crash
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C:\ProgramData\helbkxl\bsjptaw.exeC:\ProgramData\helbkxl\bsjptaw.exe start1⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2224 -ip 22241⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
218KB
MD5cdc67700f25eaed1417264c4bdec03d3
SHA156639e9414e6ee8394d940d62778475ddf071290
SHA256fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100
SHA512a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038
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Filesize
218KB
MD5cdc67700f25eaed1417264c4bdec03d3
SHA156639e9414e6ee8394d940d62778475ddf071290
SHA256fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100
SHA512a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038
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Filesize
218KB
MD5cdc67700f25eaed1417264c4bdec03d3
SHA156639e9414e6ee8394d940d62778475ddf071290
SHA256fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100
SHA512a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038
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Filesize
218KB
MD5cdc67700f25eaed1417264c4bdec03d3
SHA156639e9414e6ee8394d940d62778475ddf071290
SHA256fdd4cca0516be799c954e96be26b2d04e42ea0bac1edb00604412914bae2f100
SHA512a2b38a1d4d0cb57532f3feb2efa1fb345c03df9114dfb2dcc93286e19b96eb5e182bd79d070a0e4fccf1980f47effc9b511dbb0074bba69bee80098317e08038
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Filesize
36KB
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-
Filesize
68KB
-
Filesize
380KB
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Filesize
68KB
-
Filesize
380KB
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Filesize
64KB
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Filesize
380KB
-
Filesize
380KB
-
Filesize
36KB
-
Filesize
380KB
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Filesize
64KB