Analysis
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max time kernel
158s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
23-11-2022 13:40
General
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Target
file.exe
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Size
186KB
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MD5
620ae5771848bc425d5d686054019ef8
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SHA1
c16fa58a41f6deeb94369bd9371aa7dbd91a014f
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SHA256
c0ace3785dd2cf1b9e8696e2e26735ba89800f8e4e1efaa8d23c058b145b04bd
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SHA512
65945888bf87d6e2db50b839ae49b245ce4ff5e5ddc74fbac5481b5cf59082fb46f1fc7e0b2985ea0247b9b422c3d75c482480c2bd3b306e8b63f5b860cdbbb0
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SSDEEP
3072:DehojATICdjLWBJa07Wyos5EO2cbybKXzOUiVRhAssmDxU:ahcSLWBJa07lwcbybMzlGhA46
Malware Config
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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Blocklisted process makes network request 3 IoCs
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
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Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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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Checks processor information in registry 2 TTPs 24 IoCs
Processor information is often read in order to detect sandboxing environments.
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Modifies Internet Explorer settings 1 TTPs 4 IoCs
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Modifies registry class 30 IoCs
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
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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 41 IoCs
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Suspicious use of FindShellTrayWindow 10 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 15 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\B268.exeC:\Users\Admin\AppData\Local\Temp\B268.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Uayqupoehp.tmp",Rrptfe2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook accounts
- Accesses Microsoft Outlook profiles
- Suspicious use of SetThreadContext
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 142053⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
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C:\Windows\SysWOW64\schtasks.exeschtasks /End /tn \Microsoft\Windows\Wininet\CacheTask3⤵
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C:\Windows\SysWOW64\schtasks.exeschtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask3⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 732 -s 5282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 732 -ip 7321⤵
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.0MB
MD5fa2a659cad814b52712b6a6da9cb2bdd
SHA135727a7a482ce7a0195ae029be8e27483d4fe6ab
SHA256a24f5e85bee0d0f377bbd985eaf2618e676bc7528cf1a3746f3e54f7953aee45
SHA512d471d7617deb3b0e3554b315bcca47278d01dd99a46cf0d78c85e140c725db3a1936e209dbc990e73e6708447e6cfe0e6eac5761ffb39363591d1d37e316c963
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Filesize
1.0MB
MD5fa2a659cad814b52712b6a6da9cb2bdd
SHA135727a7a482ce7a0195ae029be8e27483d4fe6ab
SHA256a24f5e85bee0d0f377bbd985eaf2618e676bc7528cf1a3746f3e54f7953aee45
SHA512d471d7617deb3b0e3554b315bcca47278d01dd99a46cf0d78c85e140c725db3a1936e209dbc990e73e6708447e6cfe0e6eac5761ffb39363591d1d37e316c963
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Filesize
774KB
MD5d5e88f35e214f2dff51a7d494316bac2
SHA16306dfa71c4e32dede210631cf90732693c0afcf
SHA256f1828a7b26be78bb27df25b98762eb7dd7e49ee8582d5eee42ded05b0eebc1e4
SHA512ff167f0379173f976e3f91f41f6c88e67b12dfb0386b66d19f78d3aa3f11534cf2ce1c1d753ada0133cf291adca7ad8367087b791a5c05eaf371dd877ebcce1d
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Filesize
774KB
MD5d5e88f35e214f2dff51a7d494316bac2
SHA16306dfa71c4e32dede210631cf90732693c0afcf
SHA256f1828a7b26be78bb27df25b98762eb7dd7e49ee8582d5eee42ded05b0eebc1e4
SHA512ff167f0379173f976e3f91f41f6c88e67b12dfb0386b66d19f78d3aa3f11534cf2ce1c1d753ada0133cf291adca7ad8367087b791a5c05eaf371dd877ebcce1d
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Filesize
3.1MB
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Filesize
904KB
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Filesize
1.1MB
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Filesize
3.1MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
2.6MB
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Filesize
2.6MB
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Filesize
11.4MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
11.4MB
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Filesize
11.4MB
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Filesize
2.3MB
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Filesize
2.3MB
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Filesize
36KB
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Filesize
68KB