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| File name: | 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe |
| Full analysis: | https://app.any.run/tasks/f5138d4f-a814-490a-8ca6-acba8d5e0d05 |
| Verdict: | Malicious activity |
| Analysis date: | August 08, 2020, 08:41:18 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | MS-DOS executable, MZ for MS-DOS |
| MD5: | 21A56B3A8D8E2E709371AB5FC2F8C106 |
| SHA1: | E5F70A8270F870CD50C2AF1A794082D8FE0D8328 |
| SHA256: | 4AC0B9C377B98A907FC9DF5D9DF57BD048CA1771CBBC55984948DCEC3A56AAA0 |
| SSDEEP: | 384:5vcTzwQHKred+TmsRYf+/hVjvkaFIiLce+7+ZXOxUnHyeTRdqDMEKq9jrp2gP9L:5vkGred+emPairVHHycQDMwjtPp |
MALICIOUS
Writes to a start menu file
- systemupdate.exe (PID: 2856)
Changes the autorun value in the registry
- systemupdate.exe (PID: 2856)
SUSPICIOUS
Creates files in the user directory
- systemupdate.exe (PID: 2856)
Executable content was dropped or overwritten
- 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe (PID: 2308)
- systemupdate.exe (PID: 2856)
Starts itself from another location
- 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe (PID: 2308)
INFO
Manual execution by user
- taskmgr.exe (PID: 2108)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2010:12:09 19:58:19+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 4096 |
| InitializedDataSize: | 1536 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2e5e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 09-Dec-2010 18:58:19 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0040 |
| Pages in file: | 0x0001 |
| Relocations: | 0x0000 |
| Size of header: | 0x0002 |
| 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: | 0xB400 |
| OEM information: | 0xCD09 |
| Address of NE header: | 0x00000040 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 09-Dec-2010 18:58:19 |
| 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 | 0x00002000 | 0x00000E64 | 0x00001000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.25079 |
.rsrc | 0x00004000 | 0x00000400 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.51607 |
.reloc | 0x00006000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.51883 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
38
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2308 | "C:\Users\admin\AppData\Local\Temp\4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe" | C:\Users\admin\AppData\Local\Temp\4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2108 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2856 | "C:\Users\admin\AppData\Local\Temp\systemupdate.exe" | C:\Users\admin\AppData\Local\Temp\systemupdate.exe | 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe | |
User: admin Integrity Level: MEDIUM | ||||
Total events
458
Read events
405
Write events
0
Delete events
0
Modification events
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2856 | systemupdate.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Update.exe | executable | |
MD5:21A56B3A8D8E2E709371AB5FC2F8C106 | SHA256:4AC0B9C377B98A907FC9DF5D9DF57BD048CA1771CBBC55984948DCEC3A56AAA0 | |||
| 2308 | 4ac0b9c377b98a907fc9df5d9df57bd048ca1771cbbc55984948dcec3a56aaa0.exe | C:\Users\admin\AppData\Local\Temp\systemupdate.exe | executable | |
MD5:21A56B3A8D8E2E709371AB5FC2F8C106 | SHA256:4AC0B9C377B98A907FC9DF5D9DF57BD048CA1771CBBC55984948DCEC3A56AAA0 | |||
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
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Domain | IP | Reputation |
|---|---|---|
aras008-48301.portmap.io |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |