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| File name: | AA_v3.exe |
| Full analysis: | https://app.any.run/tasks/7a8024a3-d841-4a3d-b04e-de068fcb6c24 |
| Verdict: | Malicious activity |
| Threats: | FlawedAmmmyy is a RAT type malware that can be used to perform actions remotely on an infected PC. This malware is well known for being featured in especially large campaigns with wide target demographics. |
| Analysis date: | March 21, 2019, 10:16:39 |
| 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: | 4B27CE8BA1995308E26F1C2CC7EFFC94 |
| SHA1: | E0FEF9D68B3B09971BF1462FD0541F16647BCEEF |
| SHA256: | 6F15160778EFBF7EA7AE3D232D90CC8A1773841745E4BF370DF3860570BB49F9 |
| SSDEEP: | 24576:H3YRddOnSok4fx2j2z5kMNbsRtrxc130jVP:IRenlHx2j2zxlkpjV |
MALICIOUS
FLAWEDAMMYY was detected
- AA_v3.exe (PID: 3756)
Deletes the SafeBoot registry key
- AA_v3.exe (PID: 976)
Connects to CnC server
- AA_v3.exe (PID: 3756)
Loads dropped or rewritten executable
- rundll32.exe (PID: 2180)
SUSPICIOUS
Application launched itself
- AA_v3.exe (PID: 128)
Creates files in the Windows directory
- AA_v3.exe (PID: 3756)
Writes to a desktop.ini file (may be used to cloak folders)
- AA_v3.exe (PID: 3756)
Creates files in the program directory
- AA_v3.exe (PID: 3756)
- AA_v3.exe (PID: 128)
Executable content was dropped or overwritten
- AA_v3.exe (PID: 3756)
Uses RUNDLL32.EXE to load library
- AA_v3.exe (PID: 3756)
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 MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:01:22 20:46:05+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 544768 |
| InitializedDataSize: | 262144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7e5b8 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.8.0.0 |
| ProductVersionNumber: | 3.8.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Ammyy LLC |
| FileDescription: | Ammyy Admin |
| FileVersion: | 3.8 |
| InternalName: | Ammyy Admin |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | - |
| PrivateBuild: | - |
| ProductName: | Ammyy Admin |
| ProductVersion: | 3.8 |
| SpecialBuild: | - |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 22-Jan-2019 19:46:05 |
| Detected languages: |
|
| Comments: | - |
| CompanyName: | Ammyy LLC |
| FileDescription: | Ammyy Admin |
| FileVersion: | 3.8 |
| InternalName: | Ammyy Admin |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | - |
| PrivateBuild: | - |
| ProductName: | Ammyy Admin |
| ProductVersion: | 3.8 |
| SpecialBuild: | - |
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: | 0x00000128 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 22-Jan-2019 19:46:05 |
| 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 | 0x000847FA | 0x00085000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.70338 |
.rdata | 0x00086000 | 0x000192DA | 0x0001A000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.13132 |
.data | 0x000A0000 | 0x0001ABD8 | 0x00014000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.92824 |
.rsrc | 0x000BB000 | 0x0000A310 | 0x0000B000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.29093 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.841 | 637 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 5.72434 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 6.13946 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 1.65331 | 308 | UNKNOWN | English - United States | RT_CURSOR |
5 | 1.19249 | 308 | UNKNOWN | English - United States | RT_CURSOR |
6 | 1.34234 | 308 | UNKNOWN | English - United States | RT_CURSOR |
100 | 3.53552 | 334 | UNKNOWN | UNKNOWN | RT_DIALOG |
103 | 5.72337 | 1768 | UNKNOWN | Russian - Russia | RT_BITMAP |
104 | 3.07153 | 174 | UNKNOWN | Russian - Russia | RT_DIALOG |
105 | 5.94736 | 1768 | UNKNOWN | Russian - Russia | RT_BITMAP |
Imports
ADVAPI32.dll |
COMCTL32.dll |
DSOUND.dll |
GDI32.dll |
KERNEL32.dll |
MSVCRT.dll |
SETUPAPI.dll |
SHELL32.dll |
SHLWAPI.dll |
Secur32.dll |
Total processes
38
Monitored processes
5
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 128 | "C:\Users\admin\AppData\Local\Temp\AA_v3.exe" | C:\Users\admin\AppData\Local\Temp\AA_v3.exe | — | explorer.exe |
User: admin Company: Ammyy LLC Integrity Level: MEDIUM Description: Ammyy Admin Exit code: 0 Version: 3.8 | ||||
| 976 | "C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -elevated | C:\Users\admin\AppData\Local\Temp\AA_v3.exe | AA_v3.exe | |
User: admin Company: Ammyy LLC Integrity Level: HIGH Description: Ammyy Admin Exit code: 0 Version: 3.8 | ||||
| 3972 | "C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -service -lunch | C:\Users\admin\AppData\Local\Temp\AA_v3.exe | — | services.exe |
User: SYSTEM Company: Ammyy LLC Integrity Level: SYSTEM Description: Ammyy Admin Exit code: 0 Version: 3.8 | ||||
| 3756 | "C:\Users\admin\AppData\Local\Temp\AA_v3.exe" -elevated | C:\Users\admin\AppData\Local\Temp\AA_v3.exe | AA_v3.exe | |
User: SYSTEM Company: Ammyy LLC Integrity Level: SYSTEM Description: Ammyy Admin Version: 3.8 | ||||
| 2180 | rundll32.exe "C:\ProgramData\AMMYY\aa_nts.dll",run | C:\Windows\system32\rundll32.exe | — | AA_v3.exe |
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows host process (Rundll32) Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
383
Read events
356
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
3
Text files
10
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3756 | AA_v3.exe | C:\ProgramData\AMMYY\aa_nts.msg | — | |
MD5:— | SHA256:— | |||
| 3756 | AA_v3.exe | C:\ProgramData\AMMYY\settings3.bin | binary | |
MD5:9D72495AAA9B0CB41F6C72379C95CF02 | SHA256:F34F0A9B9643A2C6EB5F2DF8D4749228161CEABB4463CBAC267B9D53E4DD0095 | |||
| 3756 | AA_v3.exe | C:\Windows\TEMP\History\History.IE5\index.dat | dat | |
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862 | SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A | |||
| 3756 | AA_v3.exe | C:\Windows\TEMP\Temporary Internet Files\Content.IE5\index.dat | dat | |
MD5:D453E0BAC7A0765137D7615511501260 | SHA256:C78D9533E8C754BD0D86E0B8F1B04CED86A6124BD702726FE3F014184C0731BF | |||
| 3756 | AA_v3.exe | C:\Windows\TEMP\Cookies\index.dat | dat | |
MD5:D7A950FEFD60DBAA01DF2D85FEFB3862 | SHA256:75D0B1743F61B76A35B1FEDD32378837805DE58D79FA950CB6E8164BFA72073A | |||
| 3756 | AA_v3.exe | C:\Windows\TEMP\Temporary Internet Files\Content.IE5\WS876A8X\desktop.ini | ini | |
MD5:4A3DEB274BB5F0212C2419D3D8D08612 | SHA256:2842973D15A14323E08598BE1DFB87E54BF88A76BE8C7BC94C56B079446EDF38 | |||
| 128 | AA_v3.exe | C:\ProgramData\AMMYY\settings3.bin | binary | |
MD5:AC7221C691EF0A93DBBB5BEE6EFCB7EC | SHA256:B6B033B71D3F7F92986E32A61B3244B9856E82A9C3D233696A0DFA29A517106F | |||
| 3756 | AA_v3.exe | C:\Users\admin\AppData\Local\Temp\AA_v3.log | text | |
MD5:822687D6B5B38439058CFF47B3DD0275 | SHA256:ABF45EFAC8FF013BA9C9251BAE9807EE8DDFE078C1E837977B7776B6278B92EF | |||
| 3756 | AA_v3.exe | C:\ProgramData\AMMYY\aa_nts.dll | executable | |
MD5:F39031B610E24AC573B3E17C725A641C | SHA256:C4BBF9455E38955CD81FFFAB451A4EA3D27193A2A42F394C8FF2ABF2DCF0346E | |||
| 3756 | AA_v3.exe | C:\ProgramData\AMMYY\hr3 | binary | |
MD5:64B7C1A81916F2090F622261B3C348C5 | SHA256:06239B76E76B9F44E59F018C98AED263A77467D84B17BB2EDE46B316717FBD6C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
2
TCP/UDP connections
4
DNS requests
2
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3756 | AA_v3.exe | GET | 206 | 136.243.105.159:80 | http://www.ammyy.com/files/v7/aans32.gz | DE | binary | 178 Kb | suspicious |
3756 | AA_v3.exe | POST | 200 | 188.42.129.148:80 | http://rl.ammyy.com/ | NL | text | 244 b | suspicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3756 | AA_v3.exe | 188.42.129.148:80 | rl.ammyy.com | Servers.com, Inc. | NL | malicious |
3756 | AA_v3.exe | 209.239.123.75:443 | — | server4you Inc. | US | malicious |
3756 | AA_v3.exe | 136.243.105.159:80 | www.ammyy.com | Hetzner Online GmbH | DE | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
rl.ammyy.com |
| suspicious |
www.ammyy.com |
| suspicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] FlawedAmmyy.RAT |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z Check-in pkt |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z check-in |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] AMMYY RAT |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] RemoteAdmin Win32.Ammyy.z response |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] FlawedAmmyy.RAT |
3756 | AA_v3.exe | A Network Trojan was detected | MALWARE [PTsecurity] AMMYY RAT |
1 ETPRO signatures available at the full report