File name:

Remittance Note.exe

Full analysis: https://app.any.run/tasks/b08d05f7-c511-462e-a64b-4e738411669b
Verdict: Malicious activity
Threats:

Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold.

Analysis date: September 11, 2019, 05:14:49
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
keylogger
agenttesla
stealer
evasion
trojan
rat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

CC1B0F19E38E88B22CC14A1171524D1F

SHA1:

B767FBCD5C51676CB0AA132F9E49A1525977A6F4

SHA256:

9E351CE3E798B229B0B3CEC22560D294442152A8849889519F6CE974CA78D535

SSDEEP:

12288:c/BFSzACMHJ3YvUxuFa3W0UOqGuh8yRQBWkMWS35kr:IQACMpIvUxZU+uOB7O3O

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

      • Remittance Note.exe (PID: 3644)
    • Application was dropped or rewritten from another process

      • RegAsm.exe (PID: 3000)
    • Actions looks like stealing of personal data

      • RegAsm.exe (PID: 3000)
    • Changes the autorun value in the registry

      • RegAsm.exe (PID: 3000)
    • AGENTTESLA was detected

      • RegAsm.exe (PID: 3000)
  • SUSPICIOUS

    • Creates files in the user directory

      • Remittance Note.exe (PID: 3644)
      • RegAsm.exe (PID: 3000)
    • Reads the cookies of Google Chrome

      • RegAsm.exe (PID: 3000)
    • Reads the cookies of Mozilla Firefox

      • RegAsm.exe (PID: 3000)
    • Executable content was dropped or overwritten

      • Remittance Note.exe (PID: 3644)
      • RegAsm.exe (PID: 3000)
    • Checks for external IP

      • RegAsm.exe (PID: 3000)
  • 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 | Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe | Win64 Executable (generic) (23.8)
.dll | Win32 Dynamic Link Library (generic) (5.6)
.exe | Win32 Executable (generic) (3.8)
.exe | Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2019:07:26 20:18:02+02:00
PEType: PE32
LinkerVersion: 8
CodeSize: 119296
InitializedDataSize: 818688
UninitializedDataSize: -
EntryPoint: 0x1f05e
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 26-Jul-2019 18:18:02
Detected languages:
  • English - United States
  • German - Germany

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: 0x00000080

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 3
Time date stamp: 26-Jul-2019 18:18:02
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
0x00002000
0x0001D064
0x0001D200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
5.81242
.rsrc
0x00020000
0x000C7B64
0x000C7C00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
6.24082
.reloc
0x000E8000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.10191

Resources

Title
Entropy
Size
Codepage
Language
Type
0
2.69055
90
Latin 1 / Western European
English - United States
RT_GROUP_ICON
1
3.01694
270376
Latin 1 / Western European
English - United States
RT_ICON
2
4.81992
1128
Latin 1 / Western European
English - United States
RT_ICON
3
3.72304
9640
Latin 1 / Western European
English - United States
RT_ICON
4
3.88393
4264
Latin 1 / Western European
English - United States
RT_ICON
5
3.13323
67624
Latin 1 / Western European
English - United States
RT_ICON
6
3.45766
16936
Latin 1 / Western European
English - United States
RT_ICON
112
7.68115
447488
Latin 1 / Western European
German - Germany
RT_HTML

Imports

mscoree.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
34
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start remittance note.exe #AGENTTESLA regasm.exe

Process information

PID
CMD
Path
Indicators
Parent process
3000"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
Remittance Note.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Assembly Registration Utility
Exit code:
0
Version:
2.0.50727.5420 (Win7SP1.050727-5400)
Modules
Images
c:\windows\microsoft.net\framework\v2.0.50727\regasm.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\apppatch\acgenral.dll
c:\windows\system32\sechost.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
3644"C:\Users\admin\AppData\Local\Temp\Remittance Note.exe" C:\Users\admin\AppData\Local\Temp\Remittance Note.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\remittance note.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
66
Read events
53
Write events
13
Delete events
0

Modification events

(PID) Process:(3000) RegAsm.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:MyApp
Value:
C:\Users\admin\AppData\Roaming\MyApp\MyApp.exe
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3000) RegAsm.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegAsm_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
Executable files
2
Suspicious files
1
Text files
0
Unknown types
1

Dropped files

PID
Process
Filename
Type
3000RegAsm.exeC:\Users\admin\AppData\Roaming\txqrnbva.vve\Chrome\Default\Cookies
MD5:
SHA256:
3000RegAsm.exeC:\Users\admin\AppData\Roaming\txqrnbva.vve\Firefox\Profiles\qldyz51w.default\cookies.sqlite
MD5:
SHA256:
3644Remittance Note.exeC:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\HJdyTuap.exeexecutable
MD5:
SHA256:
3000RegAsm.exeC:\Users\admin\AppData\Roaming\txqrnbva.vve.zipcompressed
MD5:
SHA256:
3000RegAsm.exeC:\Users\admin\AppData\Local\Temp\637037793251760000_f10e0bc8-3129-473d-b5a9-e961e0534f44.dbsqlite
MD5:
SHA256:
3000RegAsm.exeC:\Users\admin\AppData\Roaming\MyApp\MyApp.exeexecutable
MD5:278EDBD499374BF73621F8C1F969D894
SHA256:C6999B9F79932C3B4F1C461A69D9DC8DC301D6A155ABC33EFE1B6E9E4A038391
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
4
DNS requests
3
Threats
10

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3000
RegAsm.exe
GET
200
52.44.169.135:80
http://checkip.amazonaws.com/
US
text
14 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3000
RegAsm.exe
52.44.169.135:80
checkip.amazonaws.com
Amazon.com, Inc.
US
shared
3000
RegAsm.exe
209.182.208.165:587
mail.ttkplc.com
InMotion Hosting, Inc.
US
malicious

DNS requests

Domain
IP
Reputation
checkip.amazonaws.com
  • 52.44.169.135
  • 3.224.145.145
  • 18.205.71.63
  • 52.55.255.113
  • 18.214.132.216
  • 34.196.181.158
malicious
mail.ttkplc.com
  • 209.182.208.165
malicious

Threats

PID
Process
Class
Message
3000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] AgentTesla IP Check
3000
RegAsm.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
3000
RegAsm.exe
Generic Protocol Command Decode
SURICATA Applayer Detect protocol only one direction
3000
RegAsm.exe
A Network Trojan was detected
AV TROJAN Win.Keylogger.AgentTesla variant outbound SMTP connection
3000
RegAsm.exe
A Network Trojan was detected
MALWARE [PTsecurity] Trojan-Spy.Keylogger.AgentTesla Exfiltration by SMTP
5 ETPRO signatures available at the full report
No debug info