MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141
SHA3-384 hash: 2679b8b7dd9dafc177bd9aceb5bcd2ee575a62ce5a7195b0cc5419743e8a5dc749fa859d8bcff42695c9c74474a876c7
SHA1 hash: fe2e491c436ef902904980d6df6d2841224bff41
MD5 hash: 5fc6ebbef1c9c654324ae5be06abdb87
humanhash: black-hamper-harry-table
File name:VBDFDFDFDFDH.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:658'752 bytes
First seen:2022-10-31 14:31:40 UTC
Last seen:2022-11-01 11:17:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:c9NmoJxyHnYZBiIQlrzBYfpCBpoG7/+7mdHK0D52W9ParBwRh:kNjLyHnYZBj0rz2fpCLo+2CHrSr+Rh
Threatray 2'893 similar samples on MalwareBazaar
TLSH T16EE412BD37A98941C9A6AF7B0DCE6489077CD846BE2366E148F0556D0C533EB1F22D43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
339
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
VBDFDFDFDFDH.exe
Verdict:
Malicious activity
Analysis date:
2022-10-31 14:34:45 UTC
Tags:
rat remcos keylogger stealer
Link:
https://app.any.run/tasks/ab961308-c5ae-431d-81bf-21e1bccb8da2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/326453/
Detection(s):
SecuriteInfo.com.UntrustedCertificate.Aichost.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/635fdc66791bb7e48afdeb35/reports/0ddeceef-53bf-4c5c-86bf-fcb2d561b4d3/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c38411d-a363-4bf6-8921-705f458b3534
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101748
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 734409 Sample: VBDFDFDFDFDH.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 11 other signatures 2->47 7 VBDFDFDFDFDH.exe 1 2->7         started        10 Sysgfgffgtem.exe 1 2->10         started        process3 file4 29 C:\Users\user\...\VBDFDFDFDFDH.exe.log, ASCII 7->29 dropped 12 powershell.exe 14 7->12         started        16 RegSvcs.exe 2 18 7->16         started        19 powershell.exe 3 10->19         started        21 RegSvcs.exe 10->21         started        process5 dnsIp6 31 C:\Users\user\AppData\...\Sysgfgffgtem.exe, PE32 12->31 dropped 33 C:\Users\...\Sysgfgffgtem.exe:Zone.Identifier, ASCII 12->33 dropped 49 Drops PE files to the startup folder 12->49 51 Powershell drops PE file 12->51 23 conhost.exe 12->23         started        37 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49699, 49702 LVLT-10753US Germany 16->37 39 geoplugin.net 178.237.33.50, 49700, 80 ATOM86-ASATOM86NL Netherlands 16->39 35 C:\ProgramData\remcos\logs.dat, data 16->35 dropped 53 Installs a global keyboard hook 16->53 25 conhost.exe 16->25         started        27 conhost.exe 19->27         started        file7 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141/
Threat name:
Win32.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 00:02:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
32 of 41 (78.05%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4h27dwhel6hb4gyysgg22ead7hmn4xlymwkwf22ywchrnjd5gfaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0a6b4d008994bb06574688d817089831fc7404e5e458c38e7a1464d072a8fd7a
RemcosRAT
777eb848bf3c905f08cf9037ab3587523807806e604bb57e7da21a6a81a930ed
RemcosRAT
8f6954e1834b49a24b8e937ff093f1e534f89691ce805ce2f14553315a18e651
RemcosRAT
e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6
RemcosRAT
eac4853e6f2cae0238a578afa9818773a8a1e33f092180b005a6329fdd2209dd
RemcosRAT
f63f0aec05acdc4b6427334d073ead70d53709f1b47970bc04329b10f941cca1
RemcosRAT
+ 2'883 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:awa rat
Link:
https://tria.ge/reports/221031-rwaavabbf9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/031de375-242c-4479-9adf-7d01ed12bc8d
Unpacked files
SH256 hash:
f4f148462711f9d9e3ced521fea6aa4939acbc38e2dd63fd4cb1815cc2ef90e5
MD5 hash:
fdaff2d20a7f14bb125d7f6d6b0ebd69
SHA1 hash:
b3bfdf2240d1f8e3e13ac8017c319b448a2e8f4d
Link:
https://www.unpac.me/results/fbed14a2-a03f-4c56-82ce-039d8d1a44ee/
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/fbed14a2-a03f-4c56-82ce-039d8d1a44ee/
SH256 hash:
40f38a5c0dca95d76638cadfbaf326ec72bf6494ec10f13af8d836f6636a6fc2
MD5 hash:
d059e480a9ca88b59ebf841e7c492b6b
SHA1 hash:
79dfabe363d3ce967ca6200313bfe96cda5c0fd6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fbed14a2-a03f-4c56-82ce-039d8d1a44ee/
Parent samples :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 hash:
e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141
MD5 hash:
5fc6ebbef1c9c654324ae5be06abdb87
SHA1 hash:
fe2e491c436ef902904980d6df6d2841224bff41
Link:
https://www.unpac.me/results/fbed14a2-a03f-4c56-82ce-039d8d1a44ee/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1f5f1d8e45f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe e1f5f1d8e45f8e1e1b18918dad1003f9d8de5d78659562eb58b08f16a47d3141

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/326453/

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