Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
08/09/2022, 19:52
General
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Target
9dd3feae794348ce92bc60f5ac18770e.exe
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Size
226KB
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MD5
9dd3feae794348ce92bc60f5ac18770e
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SHA1
9f78a91d8ca13569303ae06c6262dff9b2052711
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SHA256
35af4cd6e8905d14da7f31a0531aef8b128f891a0fec1cf7ff312f9b84c0b4ee
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SHA512
f21c50dad3193aa6d05ab0faa44a2091ce4f79ce85674be8bc415a2a317c4fcad6c32cf4a307ef19c76e8641664561ada57e5503e7e09adea8081de6a9c191b6
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SSDEEP
3072:YsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwRmRh:ZR5IuMQoseGk7RZBGxAycKpSPX2o
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
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Executes dropped EXE 3 IoCs
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Deletes itself 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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Adds Run key to start application 2 TTPs 3 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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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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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 33 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9dd3feae794348ce92bc60f5ac18770e.exe"C:\Users\Admin\AppData\Local\Temp\9dd3feae794348ce92bc60f5ac18770e.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe"2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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\??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe"c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe\" arguments" /sc MINUTE /mo 13⤵
- Creates scheduled task(s)
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\9dd3feae794348ce92bc60f5ac18770e.exe" && del "C:\Users\Admin\AppData\Local\Temp\9dd3feae794348ce92bc60f5ac18770e.exe.config"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵
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C:\Windows\system32\taskeng.exetaskeng.exe {90E2DE78-C643-457E-904A-C4F133D63F9B} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe arguments2⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\fveapibase32.exe arguments2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
226KB
MD511fbf0ad65c58fd61292852f31211855
SHA13a346619f9fd23ff0686581ebae4539ce68f5fd5
SHA2564eecbb5e32266f2d2e4737f7949f9739474e5886dad16a6bd598d0b8448173a0
SHA51262abcdb373fec782d9e632b6783de76bdc1b265241eb2f5bf63f8fdd4ca077afc29e12f0dc652162a372a9e9b5e7be677eb49a4d0c20d9c111b61698bb8ea863
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Filesize
226KB
MD511fbf0ad65c58fd61292852f31211855
SHA13a346619f9fd23ff0686581ebae4539ce68f5fd5
SHA2564eecbb5e32266f2d2e4737f7949f9739474e5886dad16a6bd598d0b8448173a0
SHA51262abcdb373fec782d9e632b6783de76bdc1b265241eb2f5bf63f8fdd4ca077afc29e12f0dc652162a372a9e9b5e7be677eb49a4d0c20d9c111b61698bb8ea863
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Filesize
226KB
MD511fbf0ad65c58fd61292852f31211855
SHA13a346619f9fd23ff0686581ebae4539ce68f5fd5
SHA2564eecbb5e32266f2d2e4737f7949f9739474e5886dad16a6bd598d0b8448173a0
SHA51262abcdb373fec782d9e632b6783de76bdc1b265241eb2f5bf63f8fdd4ca077afc29e12f0dc652162a372a9e9b5e7be677eb49a4d0c20d9c111b61698bb8ea863
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Filesize
226KB
MD511fbf0ad65c58fd61292852f31211855
SHA13a346619f9fd23ff0686581ebae4539ce68f5fd5
SHA2564eecbb5e32266f2d2e4737f7949f9739474e5886dad16a6bd598d0b8448173a0
SHA51262abcdb373fec782d9e632b6783de76bdc1b265241eb2f5bf63f8fdd4ca077afc29e12f0dc652162a372a9e9b5e7be677eb49a4d0c20d9c111b61698bb8ea863
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Filesize
1KB
MD5dd3d04c365984b4ec57a80503f81fddf
SHA1c55fbcb61818e47dac9aae465faff91f0805bd7c
SHA25640a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c
SHA5120dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785
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Filesize
32KB
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Filesize
8KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
32KB
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Filesize
10.1MB
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Filesize
124KB
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Filesize
16.6MB
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Filesize
8KB
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Filesize
124KB
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Filesize
124KB
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Filesize
10.1MB
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Filesize
16.6MB
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Filesize
124KB
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Filesize
10.1MB
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Filesize
16.6MB
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Filesize
10.1MB
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Filesize
16.6MB
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Filesize
124KB
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Filesize
124KB