MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


RemcosRAT


Vendor detections: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701
SHA3-384 hash: 30e12f860f5d83cd8ce888a6d6d364b36fb2637e66f6143c5f5eb59393279a9797dbcf5680c1a29f7d1bd7c58be7f11a
SHA1 hash: 7d982f529f006971f76c9a8f660e232c04ec9b32
MD5 hash: e8e979f05401fcc4885db0604023b86a
humanhash: pennsylvania-north-georgia-harry
File name:e8e979f05401fcc4885db0604023b86a.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'342'576 bytes
First seen:2020-12-18 16:32:59 UTC
Last seen:2020-12-18 18:33:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ragjl82N1JZVr15COhVLPZoBEpxKryIgBTnEUFn4q9Dcs5hmfoJlx9S:7j1DN/hoKTgVg1pR5h8oJlx9S
Threatray 1'237 similar samples on MalwareBazaar
TLSH 49559E543C14709F9A8A81F466DB22EDF2EB351926712B098873654DCA1E187BCDFCB3
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDINE RICHIESTA.doc
Verdict:
Malicious activity
Analysis date:
2020-12-18 08:29:22 UTC
Tags:
exploit CVE-2017-11882
Link:
https://app.any.run/tasks/cda8066b-5e45-4fd4-bc48-0cbb10408978

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/108439/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.45060790.11500.18646.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566468
Signature
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 332318 Sample: nToDGOc1So.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 63 arttronova1.duckdns.org 2->63 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for dropped file 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 9 other signatures 2->79 12 nToDGOc1So.exe 3 2->12         started        16 Windows Start-Up Audio.exe 2 2->16         started        18 Windows Start-Up Audio.exe 2 2->18         started        signatures3 process4 file5 61 C:\Users\user\AppData\...\nToDGOc1So.exe.log, ASCII 12->61 dropped 85 Contains functionality to detect virtual machines (IN, VMware) 12->85 87 Contains functionality to steal Chrome passwords or cookies 12->87 89 Contains functionality to capture and log keystrokes 12->89 95 2 other signatures 12->95 20 nToDGOc1So.exe 1 5 12->20         started        91 Injects a PE file into a foreign processes 16->91 24 Windows Start-Up Audio.exe 16->24         started        93 Drops executables to the windows directory (C:\Windows) and starts them 18->93 26 Windows Start-Up Audio.exe 18->26         started        signatures6 process7 file8 57 C:\Windows\...\Windows Start-Up Audio.exe, PE32 20->57 dropped 59 Windows Start-Up A...exe:Zone.Identifier, ASCII 20->59 dropped 81 Creates an autostart registry key pointing to binary in C:\Windows 20->81 28 cmd.exe 1 20->28         started        31 cmd.exe 1 20->31         started        signatures9 process10 signatures11 83 Uses ping.exe to sleep 28->83 33 Windows Start-Up Audio.exe 3 28->33         started        36 PING.EXE 1 28->36         started        39 conhost.exe 28->39         started        41 conhost.exe 31->41         started        43 reg.exe 1 31->43         started        process12 dnsIp13 71 Injects a PE file into a foreign processes 33->71 45 Windows Start-Up Audio.exe 1 4 33->45         started        65 127.0.0.1 unknown unknown 36->65 signatures14 process15 dnsIp16 67 arttronova1.duckdns.org 91.193.75.66, 49751, 49753, 49758 DAVID_CRAIGGG Serbia 45->67 69 192.168.2.1 unknown unknown 45->69 97 Detected Remcos RAT 45->97 99 Installs a global keyboard hook 45->99 49 cmd.exe 1 45->49         started        51 iexplore.exe 45->51         started        signatures17 process18 process19 53 conhost.exe 49->53         started        55 reg.exe 1 49->55         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-18 06:55:18 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
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RemcosRAT
15199069e1b19301ae6892503f4063aebe5d4303c2b9a848c02d55beb06f54cd
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d9498f5a8b798490a85fa6878b5c7ac624b75259390ff4504adb52a11b3ea258
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RemcosRAT
+ 1'227 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos evasion persistence rat trojan
Link:
https://tria.ge/reports/201218-275sf6zr86/
Behaviour
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
arttronova1.duckdns.org:6065
Unpacked files
SH256 hash:
d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701
MD5 hash:
e8e979f05401fcc4885db0604023b86a
SHA1 hash:
7d982f529f006971f76c9a8f660e232c04ec9b32
Link:
https://www.unpac.me/results/fdb545bf-e739-4f2e-b700-cb2131673912/
SH256 hash:
4b11f59f2bf15152094af013f29da2835861691acf11f9a2aac921690f25c554
MD5 hash:
c34557c34bfbceb5cbaf52ad0f18a5b5
SHA1 hash:
2c9cd4ee75a4d976d8aaa1f8941e4899ea3b9d86
Link:
https://www.unpac.me/results/fdb545bf-e739-4f2e-b700-cb2131673912/
SH256 hash:
62bcb4f1e845284e3d0af6876cc78fbad345e26183ade50d50c8a8c34058a9ba
MD5 hash:
990fff75fec37665c42256d7b8bad28c
SHA1 hash:
6a661f71500fc2771ee1f80b9615bc9a32b8d19c
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fdb545bf-e739-4f2e-b700-cb2131673912/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/927596/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108439/

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