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File name:

sample.exe

Full analysis: https://app.any.run/tasks/3d88359f-3473-4ea0-8a30-3fbd23aa86cc
Verdict: Malicious activity
Threats:

A keylogger is a type of spyware that infects a system and has the ability to record every keystroke made on the device. This lets attackers collect personal information of victims, which may include their online banking credentials, as well as personal conversations. The most widespread vector of attack leading to a keylogger infection begins with a phishing email or link. Keylogging is also often present in remote access trojans as part of an extended set of malicious tools.

Analysis date: September 11, 2019, 10:48:26
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
remcos
trojan
keylogger
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows, RAR self-extracting archive
MD5:

9CAC86B1D6F389F182A70AC3CA08B46A

SHA1:

B20A19CAC7F72DC8735107B27945DD090331E7A0

SHA256:

315594846D3490600BA338FCE504C72F85D113C6BFF88B4D25B564D47EA11592

SSDEEP:

24576:BmOMSPEoXhsIMMIBORWBxUVb4UxCctFMzSwIiXFQ8okrHmBQzVhAd0NHHM9Z1:1P9U8RAUBAQGSbqi8zrG+zvAdak1

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

    • Application was dropped or rewritten from another process

      • IYCEDKBHA.exe (PID: 2692)
    • Registers / Runs the DLL via REGSVR32.EXE

      • IYCEDKBHA.exe (PID: 2692)
    • REMCOS was detected

      • regsvr32.exe (PID: 3460)
    • Detected logs from REMCOS RAT

      • regsvr32.exe (PID: 3460)
    • Connects to CnC server

      • regsvr32.exe (PID: 3460)
    • Changes the autorun value in the registry

      • IYCEDKBHA.exe (PID: 2692)
  • SUSPICIOUS

    • Executable content was dropped or overwritten

      • sample.exe (PID: 3024)
      • IYCEDKBHA.exe (PID: 2692)
    • Connects to unusual port

      • regsvr32.exe (PID: 3460)
    • Creates files in the user directory

      • regsvr32.exe (PID: 3460)
    • Writes files like Keylogger logs

      • regsvr32.exe (PID: 3460)
  • 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 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

Subsystem: Windows GUI
SubsystemVersion: 5
ImageVersion: -
OSVersion: 5
EntryPoint: 0x1d41b
UninitializedDataSize: -
InitializedDataSize: 176128
CodeSize: 165376
LinkerVersion: 9
PEType: PE32
TimeStamp: 2014:06:10 19:11:07+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 10-Jun-2014 17:11:07
Detected languages:
  • English - United States
Debug artifacts:
  • d:\Projects\WinRAR\SFX\build\sfxrar32\Release\sfxrar.pdb

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: 0x000000E8

PE Headers

Signature: PE
Machine: IMAGE_FILE_MACHINE_I386
Number of sections: 4
Time date stamp: 10-Jun-2014 17:11:07
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_RELOCS_STRIPPED

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00001000
0x00028553
0x00028600
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.72377
.rdata
0x0002A000
0x00004F53
0x00005000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
5.35228
.data
0x0002F000
0x000218FC
0x00001600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
3.47003
.rsrc
0x00051000
0x00004448
0x00004600
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.6033

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.22792
1600
UNKNOWN
English - United States
RT_MANIFEST
2
3.88998
1384
UNKNOWN
English - United States
RT_ICON
3
4.12176
744
UNKNOWN
English - United States
RT_ICON
4
4.68705
2216
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
3.15447
494
UNKNOWN
English - United States
RT_STRING
10
2.99727
326
UNKNOWN
English - United States
RT_STRING
11
3.2036
1094
UNKNOWN
English - United States
RT_STRING
12
3.12889
358
UNKNOWN
English - United States
RT_STRING

Imports

ADVAPI32.dll
COMCTL32.dll
COMDLG32.dll
GDI32.dll
KERNEL32.dll
OLEAUT32.dll
SHELL32.dll
SHLWAPI.dll
USER32.dll
ole32.dll
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
33
Monitored processes
3
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start sample.exe iycedkbha.exe #REMCOS regsvr32.exe

Process information

PID
CMD
Path
Indicators
Parent process
3024"C:\Users\admin\AppData\Local\Temp\sample.exe" C:\Users\admin\AppData\Local\Temp\sample.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
2692"C:\Users\admin\AppData\Local\Temp\IYCEDKBHA.exe" C:\Users\admin\AppData\Local\Temp\IYCEDKBHA.exe
sample.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
3460"C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe
IYCEDKBHA.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft(C) Register Server
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Total events
397
Read events
390
Write events
7
Delete events
0

Modification events

(PID) Process:(3024) sample.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
0
(PID) Process:(3024) sample.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
1
(PID) Process:(3460) regsvr32.exeKey:HKEY_CURRENT_USER\Software\Remcos-OSAN4W
Operation:writeName:exepath
Value:
1FF89E10B007DEF04CDF6CED1CD1D673EFD8DE6F44C44E813DDA17BDCF8F1BF3AC80383F010B363346EBEA14CEE642A5C432297E207D4AAF90D4ACC826DA42E14EDC
(PID) Process:(3460) regsvr32.exeKey:HKEY_CURRENT_USER\Software\Remcos-OSAN4W
Operation:writeName:licence
Value:
56FE15DC15FA780C863F9D8E9C0843A4
(PID) Process:(2692) IYCEDKBHA.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:IYCEDK
Value:
C:\Users\admin\AppData\Local\IYCEDK\IYCEDKASS.vbs
Executable files
2
Suspicious files
0
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
2692IYCEDKBHA.exeC:\Users\admin\AppData\Local\Temp\IYCEDK.txt
MD5:
SHA256:
3460regsvr32.exeC:\Users\admin\AppData\Roaming\remcos\logs.dattext
MD5:1E8419E8C9ABB5163529B7860BB53703
SHA256:46272055EFBB3CA001EE238D0A87639DF57B74B3AF12301B180D4C99FF965B32
2692IYCEDKBHA.exeC:\Users\admin\AppData\Local\IYCEDK\IYCEDKPSS.battext
MD5:DD8AC66D0E175080183AE0F55BBA9FD7
SHA256:D8B1D9FBBB757D26ABFE99B1F04D440C1920692E616F973CB326FB9A1DFEA0F3
2692IYCEDKBHA.exeC:\Users\admin\Qrm\IYCEDK.bmpimage
MD5:C5526CB38628886AD46E517537FE9CB5
SHA256:8BAFDFBD43A7C24E3C5887710F1E0D0C3B240BF528EB18E7712EEB931DDE7228
3024sample.exeC:\Users\admin\AppData\Local\Temp\IYCEDK.bmpimage
MD5:C5526CB38628886AD46E517537FE9CB5
SHA256:8BAFDFBD43A7C24E3C5887710F1E0D0C3B240BF528EB18E7712EEB931DDE7228
2692IYCEDKBHA.exeC:\Users\admin\Contacts\IYCEDKNRD.exeexecutable
MD5:51BC239CE30A1DD3EC3C958A491138C4
SHA256:FF541ADB877E82D33F053EEF1C007C475FCAA4F175DA0790F5599B52F5BD5A5D
3024sample.exeC:\Users\admin\AppData\Local\Temp\IYCEDKBHA.exeexecutable
MD5:51BC239CE30A1DD3EC3C958A491138C4
SHA256:FF541ADB877E82D33F053EEF1C007C475FCAA4F175DA0790F5599B52F5BD5A5D
2692IYCEDKBHA.exeC:\Users\admin\AppData\Local\IYCEDK\IYCEDKASS.vbstext
MD5:51A18284BF34803537112814F0A79D50
SHA256:17DC2431B65F11D26C9E01B06DA980944086B551723611AA45D2696F03045F3B
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
1
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
3460
regsvr32.exe
91.189.180.203:9406
charstiago6.dynu.net
ServeTheWorld AS
NO
malicious

DNS requests

Domain
IP
Reputation
charstiago6.dynu.net
  • 91.189.180.203
malicious

Threats

PID
Process
Class
Message
3460
regsvr32.exe
A Network Trojan was detected
MALWARE [PTsecurity] Backdoor.Win32/Remcos RAT connection
2 ETPRO signatures available at the full report
No debug info