| File name: | AAM Updatevlm.exe |
| Full analysis: | https://app.any.run/tasks/353e3f53-faeb-4932-9737-44032281d6b5 |
| Verdict: | Malicious activity |
| Threats: | PlugX is a remote access trojan that is used extensively by Chinese APTs. The malware is primarily employed for spying on victims and can perform a variety of malicious activities, such as logging users’ keystrokes and exfiltrating information from browsers. |
| Analysis date: | May 18, 2020, 13:56:38 |
| 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: | 37936AE7FBAB7523732631773FD47694 |
| SHA1: | 0BADF1DE85780945BCE2544D9FF50852AE680DCC |
| SHA256: | CD45610F29A044E22246C12CC9E1C330DAC672AF055852B622A771836C946E0C |
| SSDEEP: | 12288:2GqN/XdctpVtkZtX+t4dfepaZZzMyzEJMeG0tjYPTWxym7:eNcBtkZXdfcaZZIQ8YPTS7 |
MALICIOUS
Application was dropped or rewritten from another process
- AAM Update.exe (PID: 3452)
- AAM Update.exe (PID: 2796)
Loads dropped or rewritten executable
- AAM Update.exe (PID: 3452)
- AAM Update.exe (PID: 2796)
Changes the autorun value in the registry
- AAM Update.exe (PID: 3452)
PLUGX was detected
- AAM Update.exe (PID: 2796)
Connects to CnC server
- AAM Update.exe (PID: 2796)
SUSPICIOUS
Executable content was dropped or overwritten
- AAM Updatevlm.exe (PID: 3288)
- AAM Update.exe (PID: 3452)
Creates files in the program directory
- AAM Update.exe (PID: 3452)
Reads Internet Cache Settings
- AAM Update.exe (PID: 2796)
INFO
No info indicators.
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: | 2019:12:05 08:37:23+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 198656 |
| InitializedDataSize: | 254976 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1e239 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Dec-2019 07:37:23 |
| Detected languages: |
|
| 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: | 0x00000118 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 05-Dec-2019 07:37:23 |
| 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 | 0x0003060F | 0x00030800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.69302 |
.rdata | 0x00032000 | 0x0000A402 | 0x0000A600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.20298 |
.data | 0x0003D000 | 0x000238B0 | 0x00001200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.83802 |
.gfids | 0x00061000 | 0x000000E8 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.11817 |
.rsrc | 0x00062000 | 0x0000DFD0 | 0x0000E000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.63693 |
.reloc | 0x00070000 | 0x0000212C | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.62179 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.10026 | 2216 | UNKNOWN | English - United States | RT_ICON |
3 | 5.25868 | 3752 | UNKNOWN | English - United States | RT_ICON |
4 | 5.02609 | 1128 | UNKNOWN | English - United States | RT_ICON |
5 | 5.18109 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 5.04307 | 9640 | UNKNOWN | English - United States | RT_ICON |
7 | 3.1586 | 482 | UNKNOWN | English - United States | RT_STRING |
8 | 3.11685 | 460 | UNKNOWN | English - United States | RT_STRING |
9 | 3.11236 | 440 | UNKNOWN | English - United States | RT_STRING |
10 | 2.99727 | 326 | UNKNOWN | English - United States | RT_STRING |
Imports
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
Total processes
41
Monitored processes
3
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2796 | "C:\ProgramData\AAM Updatevlm\AAM Update.exe" 739 | C:\ProgramData\AAM Updatevlm\AAM Update.exe | AAM Update.exe | ||||||||||||
User: admin Company: Adobe Systems Incorporated Integrity Level: MEDIUM Description: Adobe CEF Helper Exit code: 0 Version: 3.9.0.327 Modules
| |||||||||||||||
| 3288 | "C:\Users\admin\AppData\Local\Temp\AAM Updatevlm.exe" | C:\Users\admin\AppData\Local\Temp\AAM Updatevlm.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3452 | "C:\Users\admin\AppData\Local\Temp\AAM Update.exe" | C:\Users\admin\AppData\Local\Temp\AAM Update.exe | AAM Updatevlm.exe | ||||||||||||
User: admin Company: Adobe Systems Incorporated Integrity Level: MEDIUM Description: Adobe CEF Helper Exit code: 0 Version: 3.9.0.327 Modules
| |||||||||||||||
Total events
378
Read events
363
Write events
15
Delete events
0
Modification events
| (PID) Process: | (3452) AAM Update.exe | Key: | HKEY_CLASSES_ROOT\ms-pu |
| Operation: | write | Name: | CLSID |
Value: 44004600370034003700330038003000380041003000320042004200330032000000 | |||
| (PID) Process: | (3452) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | AAM Updatevlm |
Value: "C:\ProgramData\AAM Updatevlm\AAM Update.exe" 739 | |||
| (PID) Process: | (3288) AAM Updatevlm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3288) AAM Updatevlm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value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| |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2796) AAM Update.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
Executable files
4
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3288 | AAM Updatevlm.exe | C:\Users\admin\AppData\Local\Temp\adobeupdate.dat | binary | |
MD5:— | SHA256:— | |||
| 3452 | AAM Update.exe | C:\ProgramData\AAM Updatevlm\adobeupdate.dat | binary | |
MD5:— | SHA256:— | |||
| 3452 | AAM Update.exe | C:\ProgramData\AAM Updatevlm\hex.dll | executable | |
MD5:— | SHA256:— | |||
| 3288 | AAM Updatevlm.exe | C:\Users\admin\AppData\Local\Temp\hex.dll | executable | |
MD5:— | SHA256:— | |||
| 3288 | AAM Updatevlm.exe | C:\Users\admin\AppData\Local\Temp\AAM Update.exe | executable | |
MD5:C70D8DCE46B4551133ECC58AED84BF0E | SHA256:0459E62C5444896D5BE404C559C834BA455FA5CAE1689C70FC8C61BC15468681 | |||
| 3452 | AAM Update.exe | C:\ProgramData\AAM Updatevlm\AAM Update.exe | executable | |
MD5:C70D8DCE46B4551133ECC58AED84BF0E | SHA256:0459E62C5444896D5BE404C559C834BA455FA5CAE1689C70FC8C61BC15468681 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
5
DNS requests
0
Threats
9
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2796 | AAM Update.exe | POST | — | 45.251.240.55:443 | http://45.251.240.55:443/update?wd=f23f63af | unknown | — | — | malicious |
2796 | AAM Update.exe | POST | — | 45.251.240.55:443 | http://45.251.240.55:443/update?wd=9c377e10 | unknown | — | — | malicious |
2796 | AAM Update.exe | POST | — | 45.251.240.55:443 | http://45.251.240.55:443/update?wd=9e942f2f | unknown | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2796 | AAM Update.exe | 45.251.240.55:443 | — | — | — | malicious |
2796 | AAM Update.exe | 45.251.240.55:8080 | — | — | — | malicious |
DNS requests
Threats
PID | Process | Class | Message |
|---|---|---|---|
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN Possible PlugX Common Header Struct |
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN APT Mustang Panda Payload - CnC Checkin |
2796 | AAM Update.exe | Potentially Bad Traffic | ET POLICY HTTP traffic on port 443 (POST) |
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN Possible PlugX Common Header Struct |
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN APT Mustang Panda Payload - CnC Checkin |
2796 | AAM Update.exe | Potentially Bad Traffic | ET POLICY HTTP traffic on port 443 (POST) |
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN Possible PlugX Common Header Struct |
2796 | AAM Update.exe | A Network Trojan was detected | ET TROJAN APT Mustang Panda Payload - CnC Checkin |
2796 | AAM Update.exe | Potentially Bad Traffic | ET POLICY HTTP traffic on port 443 (POST) |