Analysis
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max time kernel
150s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08-03-2024 13:47
Static task
static1
Behavioral task
behavioral1
Sample
bb6a3d996b7d0044a8a02664a6819077.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bb6a3d996b7d0044a8a02664a6819077.exe
Resource
win10v2004-20240226-en
General
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Target
bb6a3d996b7d0044a8a02664a6819077.exe
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Size
251KB
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MD5
bb6a3d996b7d0044a8a02664a6819077
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SHA1
70e521ef1edf85e7a39e2e84d7c4e0543ade49d4
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SHA256
0cb3b217638e2dfb78fee55c413f25adf555ff110e6490117f2512e19cf6dbe0
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SHA512
752f8c0e5330f96622a709caf637663d99469ce6eb1db3f7fd768f75a6b86ed322ad5f24dac4cb74a49751e2cb724cf09cb9560ebb43bd9778832bb383701ba9
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SSDEEP
3072:wBBSpb1Y4kEm73cTvRKO/L1jEfmS1WSzBHj8dZPOwNVXjzoZ8V:2QpRY407a8aLKuaW/ZrNVfs8V
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 1176 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 2412 ugebdcu -
Loads dropped DLL 6 IoCs
pid Process 2856 bb6a3d996b7d0044a8a02664a6819077.exe 2984 WerFault.exe 2984 WerFault.exe 2984 WerFault.exe 2984 WerFault.exe 2984 WerFault.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2984 2412 WerFault.exe 31 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bb6a3d996b7d0044a8a02664a6819077.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2856 bb6a3d996b7d0044a8a02664a6819077.exe 2856 bb6a3d996b7d0044a8a02664a6819077.exe 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found 1176 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2856 bb6a3d996b7d0044a8a02664a6819077.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1176 Process not Found -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1880 wrote to memory of 2412 1880 taskeng.exe 31 PID 1880 wrote to memory of 2412 1880 taskeng.exe 31 PID 1880 wrote to memory of 2412 1880 taskeng.exe 31 PID 1880 wrote to memory of 2412 1880 taskeng.exe 31 PID 2412 wrote to memory of 2984 2412 ugebdcu 32 PID 2412 wrote to memory of 2984 2412 ugebdcu 32 PID 2412 wrote to memory of 2984 2412 ugebdcu 32 PID 2412 wrote to memory of 2984 2412 ugebdcu 32 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bb6a3d996b7d0044a8a02664a6819077.exe"C:\Users\Admin\AppData\Local\Temp\bb6a3d996b7d0044a8a02664a6819077.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2856
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C:\Windows\system32\taskeng.exetaskeng.exe {64AB7158-3ABF-47DE-A52D-FAB96E8BD9B6} S-1-5-21-3452737119-3959686427-228443150-1000:QGTQZTRE\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1880 -
C:\Users\Admin\AppData\Roaming\ugebdcuC:\Users\Admin\AppData\Roaming\ugebdcu2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 1243⤵
- Loads dropped DLL
- Program crash
PID:2984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
251KB
MD5bb6a3d996b7d0044a8a02664a6819077
SHA170e521ef1edf85e7a39e2e84d7c4e0543ade49d4
SHA2560cb3b217638e2dfb78fee55c413f25adf555ff110e6490117f2512e19cf6dbe0
SHA512752f8c0e5330f96622a709caf637663d99469ce6eb1db3f7fd768f75a6b86ed322ad5f24dac4cb74a49751e2cb724cf09cb9560ebb43bd9778832bb383701ba9
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06