Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
12-01-2024 15:39
General
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Target
a18c5634a16a2dfb8ae46752ce4e4238.exe
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Size
347KB
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MD5
a18c5634a16a2dfb8ae46752ce4e4238
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SHA1
f290033b1dd5137d026c90f9f4056e13b07a02ac
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SHA256
e6aa74189e7f0e76c61715f31439a43360b3b66f86e899b3c621c817298623d0
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SHA512
94a3793371ff34448d8f372b83edab12a93d380a8d4670a6937090096d8479c4f6e38f0f898d83ddadca12b982fbe0c5a93dc1125223ed9a6765b86676454bc4
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SSDEEP
3072:Qnp1z2pL0IOQeXR4j+ygDNkdOnXaXmMd5VITRLdKPo95n:WALxOQkRd3BkdOnXYPFITREwb
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
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Modifies firewall policy service 2 TTPs 4 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Sets file execution options in registry 2 TTPs 4 IoCs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Deletes itself 1 IoCs
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Executes dropped EXE 4 IoCs
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Loads dropped DLL 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
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NSIS installer 6 IoCs
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Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
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Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: MapViewOfSection 4 IoCs
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Suspicious use of AdjustPrivilegeToken 34 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
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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\a18c5634a16a2dfb8ae46752ce4e4238.exe"C:\Users\Admin\AppData\Local\Temp\a18c5634a16a2dfb8ae46752ce4e4238.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 3682⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2020 -ip 20201⤵
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C:\Users\Admin\AppData\Local\Temp\CF08.exeC:\Users\Admin\AppData\Local\Temp\CF08.exe1⤵
- Sets file execution options in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 11403⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\D65C.exeC:\Users\Admin\AppData\Local\Temp\D65C.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2816 -ip 28161⤵
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C:\Users\Admin\AppData\Roaming\ajefisaC:\Users\Admin\AppData\Roaming\ajefisa1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 3722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4824 -ip 48241⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
360KB
MD580c413180b6bd0dd664adc4e0665b494
SHA1e791e4a3391fc6b7bcb58399cd4fa3c52a06b940
SHA2566d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880
SHA512347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a
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Filesize
348KB
MD5af93b9e1256eb8e79e98d5953a575b80
SHA1118996a23a51c925091e5a6cb947114f7b76aa75
SHA2567e8fb8825a2154a97d2367c87c7e40b324ab50dcc760798e6de3bc80e035d276
SHA5122d17fa1c45a1ff8a8343e36061c4baed24731c5f4dc52a127d16cc23b8d673dbf922bb9fcf849212a706a4c303c3344ec85ea85734ca10fb8fd09ae4e4b6b7ab
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Filesize
64KB
MD52f54dbcfa506309d89f25ca13d4803a2
SHA1e149abc0cd2cdf25c67e4b88e1bbe0cb6ed1afb3
SHA256720bbff1fce95f63d4ca9c8b4653844ea87eb884e130e749a2838bef4ae933ec
SHA5126f706a5a2ba98468c5839cc2d3de6fb2f51a7851abfcd69b69d572b8b0d0b499adf1bf30099f30fb5a185aa859e2857e8146ca19a8e4ecb3205c96e63398ee9d
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Filesize
381KB
MD565a07d20fd12a87366b0951e0541db29
SHA136f91897894c24390cf02181178e8efe04a7e15b
SHA2562c53c6230503e9ac061e3a3ef5a2baa06457768fe18d30bedd9a9a29b859a902
SHA512a1d4b90b6049cec4eec802f71ebab7bd158ee232c9fd1f430c8a68a217e4a00173a66255d8007c1433418c24523dc99ea3414ab66590200dc6f81305129ce2ad
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Filesize
92KB
MD5fa23949873a89ff520e2788b5c2bb55b
SHA1187a183d9b0dafc8dc463fe80a6ccc8aba8f1279
SHA256864defbec2fdbf1c26aa05e4c6c12f1fea98099890ae1349db642b3c31873b39
SHA512b7bfbac096cad020e7ee7cb3fbd2985fc738fbdec7f70603b97c2b073217398b95c8b5ba66c23ffb26fe385f14e60307c29bc36bace916f7a65cb6c008bb880d
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
408KB
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Filesize
48KB
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Filesize
52KB
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Filesize
408KB
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Filesize
372KB
-
Filesize
4KB
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Filesize
408KB
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Filesize
408KB
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Filesize
4KB
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Filesize
408KB
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Filesize
5.6MB
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Filesize
5.6MB
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Filesize
4.5MB
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Filesize
1024KB
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Filesize
36KB
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Filesize
4.5MB
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Filesize
784KB
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Filesize
784KB
-
Filesize
784KB
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Filesize
4.2MB
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Filesize
4KB
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Filesize
4.2MB
-
Filesize
784KB
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Filesize
4.2MB
-
Filesize
8KB
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Filesize
784KB
-
Filesize
88KB
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Filesize
88KB
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Filesize
7.1MB
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Filesize
7.1MB
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Filesize
4.5MB
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Filesize
1024KB
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Filesize
4.5MB