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| File name: | lsaa.exe |
| Full analysis: | https://app.any.run/tasks/4fa08fe2-0277-4070-8da3-6cbe34cc2749 |
| Verdict: | Malicious activity |
| Threats: | Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. |
| Analysis date: | July 17, 2019, 05:48:20 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 111E8DB42D4A2C6C95DA503C63275791 |
| SHA1: | 20360EC30A7870AEB45CCEF8DC4D6F47138BAA0D |
| SHA256: | 94DB3977973B92B3038D28411C72CD182E3666FC3E780EDEAA1E49847D4B09C6 |
| SSDEEP: | 1536:eRvoU+XfE9ICf4t1OwruWiy20uvtT+jyR:e6X89NfsjruWiyFj |
MALICIOUS
Runs app for hidden code execution
- lsaa.exe (PID: 3752)
Turns off the firewall via NETSH.EXE
- cmd.exe (PID: 500)
Changes the autorun value in the registry
- lsaa.exe (PID: 3356)
- lsaa.exe (PID: 3752)
Writes to a start menu file
- lsaa.exe (PID: 3752)
Actions looks like stealing of personal data
- lsaa.exe (PID: 3752)
Renames files like Ransomware
- lsaa.exe (PID: 3752)
Modifies files in Chrome extension folder
- lsaa.exe (PID: 3752)
SUSPICIOUS
Starts CMD.EXE for commands execution
- lsaa.exe (PID: 3752)
Application launched itself
- lsaa.exe (PID: 2320)
- lsaa.exe (PID: 3356)
Uses NETSH.EXE for network configuration
- cmd.exe (PID: 500)
Executable content was dropped or overwritten
- lsaa.exe (PID: 3752)
Creates files in the user directory
- lsaa.exe (PID: 3752)
Reads the cookies of Mozilla Firefox
- lsaa.exe (PID: 3752)
Reads the cookies of Google Chrome
- lsaa.exe (PID: 3752)
Creates files in the program directory
- lsaa.exe (PID: 3752)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:06:19 10:00:06+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 31744 |
| InitializedDataSize: | 15360 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2518 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jun-2019 08:00:06 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000E0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 19-Jun-2019 08:00:06 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00007BB8 | 0x00007C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.6211 |
.rdata | 0x00009000 | 0x00000C4A | 0x00000E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.22085 |
.data | 0x0000A000 | 0x00002719 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.39875 |
.reloc | 0x0000D000 | 0x00000558 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 5.28469 |
.cdata | 0x0000E000 | 0x0000300C | 0x00003200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.78486 |
Imports
ADVAPI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
SHELL32.dll |
USER32.dll |
WS2_32.dll |
ole32.dll |
Total processes
44
Monitored processes
6
Malicious processes
3
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3356 | "C:\Users\admin\AppData\Local\Temp\lsaa.exe" | C:\Users\admin\AppData\Local\Temp\lsaa.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM | ||||
| 2320 | C:\Users\admin\AppData\Local\Temp\lsaa.exe | C:\Users\admin\AppData\Local\Temp\lsaa.exe | — | lsaa.exe |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3752 | "C:\Users\admin\AppData\Local\Temp\lsaa.exe" | C:\Users\admin\AppData\Local\Temp\lsaa.exe | lsaa.exe | |
User: admin Integrity Level: HIGH | ||||
| 500 | "C:\Windows\system32\cmd.exe" | C:\Windows\system32\cmd.exe | — | lsaa.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2436 | netsh advfirewall set currentprofile state off | C:\Windows\system32\netsh.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3596 | netsh firewall set opmode mode=disable | C:\Windows\system32\netsh.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
457
Read events
349
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
1 220
Text files
5
Unknown types
63
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\ExcelLR.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-0018-0409-0000-0000000FF1CE}-C\PptLR.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\PubLR.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\OutlkLR.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\WordLR.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-500\desktop.ini.id[C4BA3647-1091].[[email protected]].Acton | binary | |
MD5:61D11ADEA9E94EB7B20ED049BC3A8BAA | SHA256:0BA803E1C4920A535E8B229068E676D2708D18BB54B16926DC4B5137F6905252 | |||
| 3752 | lsaa.exe | C:\config.sys.id[C4BA3647-1091].[[email protected]].Acton | binary | |
MD5:D00763D003B191A8A4CE099E506FE660 | SHA256:254D2085192FB373F6C2DAAFD7A60761B947C6D542F2A66935722DF878A1195B | |||
| 3752 | lsaa.exe | C:\Users\admin\AppData\Local\lsaa.exe | executable | |
MD5:111E8DB42D4A2C6C95DA503C63275791 | SHA256:94DB3977973B92B3038D28411C72CD182E3666FC3E780EDEAA1E49847D4B09C6 | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.en\Proof.cab.id[C4BA3647-1091].[[email protected]].Acton | — | |
MD5:— | SHA256:— | |||
| 3752 | lsaa.exe | C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\ExcelMUI.msi.id[C4BA3647-1091].[[email protected]].Acton | atn | |
MD5:D3A1F283914E56520335D65A32FBF9AC | SHA256:1D69906ECDF75F3963CD4C02D56F93AEA69686BD42A785E98B713BAB859E67E9 | |||
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HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
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