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| File name: | sm.dll |
| Full analysis: | https://app.any.run/tasks/b9a86457-c76e-421d-83db-61956fb8bc31 |
| 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: | September 30, 2020, 11:50:47 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows |
| MD5: | 65C320BC5258D8FA86AA9FFD876291D3 |
| SHA1: | F0215AAC7BE36A5FEDEEA51D34D8F8DA2E98BF1B |
| SHA256: | 3FD510A3B2E0B0802D57CD5B1CAC1E61797D50A08B87D9B5243BECD9E2F7073F |
| SSDEEP: | 12288:+tMvs/oKTe96dpMflXpptjaYu79qaLapXVsvYJCilTeWNjq7:6OP/aYKLsXpCilqajq |
MALICIOUS
Writes to a start menu file
- rundll32.exe (PID: 2124)
Writes file to Word startup folder
- rundll32.exe (PID: 2124)
Renames files like Ransomware
- rundll32.exe (PID: 2124)
Dropped file may contain instructions of ransomware
- rundll32.exe (PID: 2124)
Modifies files in Chrome extension folder
- rundll32.exe (PID: 2124)
Actions looks like stealing of personal data
- rundll32.exe (PID: 2124)
SUSPICIOUS
Reads the cookies of Google Chrome
- rundll32.exe (PID: 2124)
Creates files like Ransomware instruction
- rundll32.exe (PID: 2124)
Creates files in the program directory
- rundll32.exe (PID: 2124)
Reads the cookies of Mozilla Firefox
- rundll32.exe (PID: 2124)
Creates files in the user directory
- rundll32.exe (PID: 2124)
INFO
Loads main object executable
- rundll32.exe (PID: 2124)
Dropped object may contain TOR URL's
- rundll32.exe (PID: 2124)
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
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 6 |
| ImageVersion: | - |
| OSVersion: | 6 |
| EntryPoint: | 0x1460 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 457216 |
| CodeSize: | 356864 |
| LinkerVersion: | 14 |
| PEType: | PE32 |
| TimeStamp: | 2020:09:19 00:16:09+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 18-Sep-2020 22:16:09 |
| Debug artifacts: |
|
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: | 0x00000100 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 7 |
| Time date stamp: | 18-Sep-2020 22:16:09 |
| 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 | 0x00057169 | 0x00057200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.89609 |
.rdata | 0x00059000 | 0x0000AC4A | 0x0000AE00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.97157 |
.data | 0x00064000 | 0x00060674 | 0x0005F000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.6428 |
.idata | 0x000C5000 | 0x00000C98 | 0x00000E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.42915 |
.gfids | 0x000C6000 | 0x00000406 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 1.38815 |
.00cfg | 0x000C7000 | 0x00000104 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 0.0611629 |
.reloc | 0x000C8000 | 0x00002CF2 | 0x00002E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 5.75787 |
Imports
KERNEL32.dll |
Exports
Title | Ordinal | Address |
|---|---|---|
DllInstall | 1 | 0x00002DC9 |
DllRegisterServer | 2 | 0x00001573 |
DllUnregisterServer | 3 | 0x00002162 |
Total processes
37
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2124 | "C:\Windows\System32\rundll32.exe" C:\Users\admin\AppData\Local\Temp\sm.dll,DllRegisterServer -passegregor10 | C:\Windows\System32\rundll32.exe | explorer.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
19
Read events
19
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
1 405
Text files
724
Unknown types
38
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2124 | rundll32.exe | C:\Users\admin\.oracle_jre_usage\90737d32e3abaa4.timestamp | — | |
MD5:— | SHA256:— | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\DC\IconCacheRdr.dat | — | |
MD5:— | SHA256:— | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\DC\IconCacheRdr65536.dat | — | |
MD5:— | SHA256:— | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents | — | |
MD5:— | SHA256:— | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\DC\UserCache.bin | — | |
MD5:— | SHA256:— | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\DC\IconCacheRdr65536.dat.GemXp | binary | |
MD5:3368B7047D77D54CBF5E655BD936E9D6 | SHA256:EDFA794B09778C0BE3560E9D273625B99D8966AA1EAAA28045E8C241482D6500 | |||
| 2124 | rundll32.exe | C:\Users\admin\RECOVER-FILES.txt | text | |
MD5:DFA8CF9CF3ADEFAA390BFCD5BFDC2690 | SHA256:BB27A8F4C98DE037496AD8DA1326C27C7E3D65AC8A9E8C8C9495F5B9D64D1BA2 | |||
| 2124 | rundll32.exe | C:\ProgramData\RECOVER-FILES.txt | text | |
MD5:DFA8CF9CF3ADEFAA390BFCD5BFDC2690 | SHA256:BB27A8F4C98DE037496AD8DA1326C27C7E3D65AC8A9E8C8C9495F5B9D64D1BA2 | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\Adobe\Acrobat\RECOVER-FILES.txt | text | |
MD5:DFA8CF9CF3ADEFAA390BFCD5BFDC2690 | SHA256:BB27A8F4C98DE037496AD8DA1326C27C7E3D65AC8A9E8C8C9495F5B9D64D1BA2 | |||
| 2124 | rundll32.exe | C:\Users\admin\AppData\Local\VirtualStore\RECOVER-FILES.txt | text | |
MD5:DFA8CF9CF3ADEFAA390BFCD5BFDC2690 | SHA256:BB27A8F4C98DE037496AD8DA1326C27C7E3D65AC8A9E8C8C9495F5B9D64D1BA2 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report