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File name:

C:\ProgramData\Microsofts Help\wsus.exe

Full analysis: https://app.any.run/tasks/1db0b59e-36a7-4578-a911-9628d04de4c8
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: February 19, 2019, 13:31:36
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
flawedammyy
ammyy
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

30B4E109CAAEBAB50007872085E8D208

SHA1:

DEB4CC157FB846C7BC876221201FD249E7B78B98

SHA256:

7ECFD68341FE276C17246DC51C5D70EE2C1BBC6801C85201C8A62956C23D872D

SSDEEP:

12288:rjXq7SyOLQ7gOlzFZu/KAj2I2ISOGJ8NLVWrzmOGGEAle0Yu54HrW+vUTUhjJBC6:rjwYLQ7BzFC2ISIVW+B64HfvokJgijqE

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Connects to CnC server

      • wsus.exe (PID: 3120)
    • FLAWEDAMMYY was detected

      • wsus.exe (PID: 3120)
  • SUSPICIOUS

    No suspicious indicators.
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 Executable (generic) (52.9)
.exe | Generic Win/DOS Executable (23.5)
.exe | DOS Executable Generic (23.5)

EXIF

EXE

ProductVersion: 1.18.2.51920
ProductName: ActivesNetworks System
OriginalFileName: wsus.exe
LegalCopyright: Microsoft Block Security Copyright 1994 - 2019
FileVersion: 1.18.2.51920
FileDescription: Microsoft Block Security
CompanyName: Microsoft Block Security
CharacterSet: Windows, Hebrew
LanguageCode: Greek
FileSubtype: -
ObjectFileType: Executable application
FileOS: Windows NT 32-bit
FileFlags: Pre-release, Patched, Special build
FileFlagsMask: 0x003f
ProductVersionNumber: 1.18.2.51920
FileVersionNumber: 1.18.2.51920
Subsystem: Windows GUI
SubsystemVersion: 5.1
ImageVersion: -
OSVersion: 5.1
EntryPoint: 0x4f866
UninitializedDataSize: -
InitializedDataSize: 178688
CodeSize: 484352
LinkerVersion: 14
PEType: PE32
TimeStamp: 2019:02:18 16:35:52+01:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 18-Feb-2019 15:35:52
Detected languages:
  • English - United States
  • Greek - Greece
CompanyName: Microsoft Block Security
FileDescription: Microsoft Block Security
FileVersion: 1.18.2.51920
LegalCopyright: Microsoft Block Security Copyright 1994 - 2019
OriginalFilename: wsus.exe
ProductName: ActivesNetworks System
ProductVersion: 1.18.2.51920

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: 7
Time date stamp: 18-Feb-2019 15:35:52
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0007631E
0x00076400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.61779
.rdata
0x00078000
0x0001EF26
0x0001F000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.3456
.data
0x00097000
0x00009098
0x00002A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
4.45257
.gfids
0x000A1000
0x000002F0
0x00000400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.03126
.tls
0x000A2000
0x00000009
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
0.0203931
.rsrc
0x000A3000
0x000032D0
0x00003400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.65267
.reloc
0x000A7000
0x000065D8
0x00006600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.68053

Resources

Title
Entropy
Size
Codepage
Language
Type
1
3.50931
792
Latin 1 / Western European
English - United States
RT_VERSION
74
2.37044
88
Latin 1 / Western European
English - United States
RT_STRING
86
2.72303
126
Latin 1 / Western European
English - United States
RT_STRING
89
2.70355
110
Latin 1 / Western European
English - United States
RT_STRING
92
3.21356
194
Latin 1 / Western European
English - United States
RT_STRING
100
2.88701
140
Latin 1 / Western European
English - United States
RT_STRING
123
2.95801
154
Latin 1 / Western European
English - United States
RT_STRING
125
2.36776
90
Latin 1 / Western European
English - United States
RT_STRING
129
2.61271
106
Latin 1 / Western European
English - United States
RT_STRING
133
2.50497
98
Latin 1 / Western European
English - United States
RT_STRING

Imports

ADVAPI32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
Secur32.dll
USER32.dll
USERENV.dll
WINSPOOL.DRV
WS2_32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
30
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #FLAWEDAMMYY wsus.exe

Process information

PID
CMD
Path
Indicators
Parent process
3120"C:\Users\admin\AppData\Local\Temp\wsus.exe" C:\Users\admin\AppData\Local\Temp\wsus.exe
explorer.exe
User:
admin
Company:
Microsoft Block Security
Integrity Level:
MEDIUM
Description:
Microsoft Block Security
Version:
1.18.2.51920
Total events
35
Read events
34
Write events
1
Delete events
0

Modification events

(PID) Process:(3120) wsus.exeKey:HKEY_CURRENT_USER\System\CurrentControlSet\Control
Operation:writeName:netsxuid
Value:
50538105
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
2
DNS requests
0
Threats
0

HTTP requests

No HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3120
wsus.exe
185.99.133.2:80
Zappie Host LLC
NZ
malicious

DNS requests

No data

Threats

PID
Process
Class
Message
3120
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
3120
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
3120
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT
3120
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] AMMYY RAT
3120
wsus.exe
A Network Trojan was detected
ET TROJAN Win32/FlawedAmmyy RAT CnC Checkin
3120
wsus.exe
A Network Trojan was detected
MALWARE [PTsecurity] FlawedAmmyy.RAT Checkin
No debug info