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File name:

AmazonGC.exe

Full analysis: https://app.any.run/tasks/048dbdda-7252-4c72-9a48-771faf3ffa47
Verdict: Malicious activity
Threats:

Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely.

Analysis date: March 31, 2020, 10:22:47
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
evasion
trojan
rat
quasar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

4DA56F50F00CE0EECD021FF05A203494

SHA1:

C22B9CB6668004B5557307FF94D70CE23D0EA163

SHA256:

E64F20D567BC6A175CF5FDE0F71D28F98D4374C8B73A2640BE98DEAAE92FDF7D

SSDEEP:

49152:jw80cTsjkWay4Ey+AQGQGmkaJVNARndM:s8sjkyy+EQdNUn

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

    • Writes to a start menu file

      • AmazonGC.exe (PID: 3864)
    • QUASAR was detected

      • MSBuild.exe (PID: 3164)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • AmazonGC.exe (PID: 3864)
    • Creates files in the user directory

      • AmazonGC.exe (PID: 3864)
      • MSBuild.exe (PID: 3164)
    • Executed via COM

      • DllHost.exe (PID: 3504)
    • Checks for external IP

      • MSBuild.exe (PID: 3164)
  • INFO

    • Creates files in the user directory

      • WINWORD.EXE (PID: 780)
    • Reads Microsoft Office registry keys

      • WINWORD.EXE (PID: 780)
    • Manual execution by user

      • WINWORD.EXE (PID: 780)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2020:03:31 11:48:40+02:00
PEType: PE32
LinkerVersion: 12
CodeSize: 581120
InitializedDataSize: 1247744
UninitializedDataSize: -
EntryPoint: 0x27f4a
OSVersion: 5.1
ImageVersion: -
SubsystemVersion: 5.1
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (British)
CharacterSet: Unicode

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 31-Mar-2020 09:48:40
Detected languages:
  • English - United Kingdom

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: 0x00000110

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 5
Time date stamp: 31-Mar-2020 09:48:40
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE
  • IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x0008DD2E
0x0008DE00
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.67588
.rdata
0x0008F000
0x0002E10E
0x0002E200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.76073
.data
0x000BE000
0x00008F74
0x00005200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
1.19881
.rsrc
0x000C7000
0x000F634C
0x000F6400
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
7.97758
.reloc
0x001BE000
0x00007130
0x00007200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
6.78238

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.40026
1007
Latin 1 / Western European
English - United Kingdom
RT_MANIFEST
2
2.05883
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
3
2.25499
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
4
3.65355
744
Latin 1 / Western European
English - United Kingdom
RT_ICON
5
3.43704
296
Latin 1 / Western European
English - United Kingdom
RT_ICON
6
4.16139
3752
Latin 1 / Western European
English - United Kingdom
RT_ICON
7
3.34702
1428
Latin 1 / Western European
English - United Kingdom
RT_STRING
8
3.2817
1674
Latin 1 / Western European
English - United Kingdom
RT_STRING
9
3.28849
1168
Latin 1 / Western European
English - United Kingdom
RT_STRING
10
3.28373
1532
Latin 1 / Western European
English - United Kingdom
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
IPHLPAPI.DLL
KERNEL32.dll
MPR.dll
OLEAUT32.dll
PSAPI.DLL
SHELL32.dll
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
40
Monitored processes
4
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start amazongc.exe #QUASAR msbuild.exe winword.exe no specs PhotoViewer.dll no specs

Process information

PID
CMD
Path
Indicators
Parent process
3864"C:\Users\admin\AppData\Local\Temp\AmazonGC.exe" C:\Users\admin\AppData\Local\Temp\AmazonGC.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3164"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
AmazonGC.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
MSBuild.exe
Version:
4.7.3062.0 built by: NET472REL1
780"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\admin\Desktop\especiallyest.rtf"C:\Program Files\Microsoft Office\Office14\WINWORD.EXEexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft Word
Exit code:
0
Version:
14.0.6024.1000
3504C:\Windows\system32\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}C:\Windows\system32\DllHost.exesvchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
1 218
Read events
879
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
1
Text files
4
Unknown types
4

Dropped files

PID
Process
Filename
Type
780WINWORD.EXEC:\Users\admin\AppData\Local\Temp\CVRFFD4.tmp.cvr
MD5:
SHA256:
780WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{CE37E98D-9B45-49CF-A38B-7F5B98DF4FCC}.tmp
MD5:
SHA256:
780WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRS{38362709-0919-4948-906F-9B9BB9735FCB}.tmp
MD5:
SHA256:
780WINWORD.EXEC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.Word\~WRF{21FE4BDC-ABC2-408E-8BE4-B71D9CA20F33}.tmp
MD5:
SHA256:
3864AmazonGC.exeC:\Users\admin\setspn\setspn.vbstext
MD5:B61F0DDD9C89F777397602CF4B3108A7
SHA256:5A1184B9C7F9B3540AB84E821A063F9DB9CA3791660DF6665BDD60BE02257775
780WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Templates\~$Normal.dotmpgc
MD5:44C17CBA471FB0B068F220F6513BFBA7
SHA256:D383FC4AA5FDED6F023F25DC18B10F89E28CB8D961E8FEB2E2B11AF9B321C316
780WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\especiallyest.rtf.LNKlnk
MD5:E2E91941AF5E7ACC0F2E37D7C7F124C3
SHA256:6075EAAB2A3EDB4A13A209914EF6FDA3E93E6694B1B6C68B00F4D7DB34A935F4
780WINWORD.EXEC:\Users\admin\Desktop\~$peciallyest.rtfpgc
MD5:5DF6E3C3C088FFA9A6314E4F7FD495B8
SHA256:67500C6FC55A0E0EF48DE27294C8008561C05D1FA0959331FBA6E27F60D013F8
780WINWORD.EXEC:\Users\admin\AppData\Roaming\Microsoft\Office\Recent\index.dattext
MD5:D6F19795153F464CCAB40C6EC63CB2E1
SHA256:DD369DA992CBE1F9789915D30DB98E138B86D58EF678553353DCE421E9AB3137
3864AmazonGC.exeC:\Users\admin\setspn\tasklist.exeexecutable
MD5:4DA56F50F00CE0EECD021FF05A203494
SHA256:E64F20D567BC6A175CF5FDE0F71D28F98D4374C8B73A2640BE98DEAAE92FDF7D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3164
MSBuild.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
text
331 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3164
MSBuild.exe
208.95.112.1:80
ip-api.com
IBURST
malicious
3164
MSBuild.exe
157.230.125.208:3333
Joao Carlos de Almeida Silveira trading as Bitcanal
US
suspicious

DNS requests

Domain
IP
Reputation
ip-api.com
  • 208.95.112.1
shared

Threats

PID
Process
Class
Message
3164
MSBuild.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
3164
MSBuild.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
3164
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] Quasar.RAT IP Lookup
3164
MSBuild.exe
A Network Trojan was detected
REMOTE [PTsecurity] Quasar
1 ETPRO signatures available at the full report
No debug info