MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a67d4cdb218d6e7106b4efef10d24fdd69025b556df74549921e3d4156201084. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments

SHA256 hash: a67d4cdb218d6e7106b4efef10d24fdd69025b556df74549921e3d4156201084
SHA3-384 hash: be3e5760aca9c3f5c305c783b1d3805d0c0a6efc94aea09523f982ade2702896ab30115e304f66f5570093c0e033bfbd
SHA1 hash: 0f348594c321c9ee44f07b9abe0bfe97479c5c49
MD5 hash: 943153fd3c3ed9d114e9f178c9f0693c
humanhash: zulu-twelve-whiskey-batman
File name:Gqlba.exe
Download: download sample
Signature RemcosRAT
File size:1'392'640 bytes
First seen:2023-02-09 07:16:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:YutMCnSOSepN+l1vVG7euwvv/+VnSXgoZkWv8yx:5oZkq8
Threatray 2'330 similar samples on MalwareBazaar
TLSH T16C553FB0A8BF45D6E00FC9901AFCFCA501BA75F3DED60DA5436C76445E3AFA86E0150A
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00870d1848c4cc20 (27 x RemcosRAT, 6 x Formbook, 1 x NanoCore)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Gqlba.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 07:19:19 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Remcos RAT
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 802555 Sample: Gqlba.exe Startdate: 09/02/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 11 other signatures 2->62 7 Gqlba.exe 1 5 2->7         started        11 Pupdhwyswij.exe 2 2->11         started        13 Pupdhwyswij.exe 1 2->13         started        process3 file4 46 C:\Users\user\AppData\...\Pupdhwyswij.exe, PE32 7->46 dropped 48 C:\Users\...\Pupdhwyswij.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...behaviorgraphqlba.exe.log, ASCII 7->50 dropped 64 Encrypted powershell cmdline option found 7->64 66 Injects a PE file into a foreign processes 7->66 15 Gqlba.exe 2 7->15         started        19 powershell.exe 16 7->19         started        68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 21 powershell.exe 11->21         started        23 Pupdhwyswij.exe 11->23         started        25 powershell.exe 13 13->25         started        27 Pupdhwyswij.exe 13->27         started        29 Pupdhwyswij.exe 13->29         started        signatures5 process6 dnsIp7 52 46.183.217.11, 49714, 49718, 49720 DATACLUBLV Latvia 15->52 54 Injects a PE file into a foreign processes 15->54 31 Gqlba.exe 15->31         started        34 Gqlba.exe 15->34         started        36 Gqlba.exe 15->36         started        44 5 other processes 15->44 38 conhost.exe 19->38         started        40 conhost.exe 21->40         started        42 conhost.exe 25->42         started        signatures8 process9 signatures10 74 Tries to steal Instant Messenger accounts or passwords 31->74 76 Tries to harvest and steal browser information (history, passwords, etc) 34->76
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2023-02-09 07:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:ossy persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
46.183.217.11:64702
127.0.0.1:64702
10.29.111.143:64702
Unpacked files
SH256 hash:
f42c0c0570d811c3cf1089685748825fdbe7aafca96274e43cc6445a8cae3058
MD5 hash:
63eb0cf4a27933e334a94dca918033b6
SHA1 hash:
54de5701fc2febd3cd27375316a0f525e3e796ff
Detections:
Remcos win_remcos_auto win_remcos_g0
SH256 hash:
0f62650f8b994a53a780230a01f169f65284c871db67b20f8c2765854c25c351
MD5 hash:
f2a88b68985e59687a667c343c04ac48
SHA1 hash:
dcf84110474ae7873e280e28a4cf73307f978ac3
SH256 hash:
a1e95fd46a2e5b59cb66e66a45579cf604e44c1b0735348ed754a69fe92f0f11
MD5 hash:
5676591abef7c7e5d690cca9c18a7f19
SHA1 hash:
51bdc93c3a9b683711ea6050f8fb3e7af2c5ab9a
SH256 hash:
a67d4cdb218d6e7106b4efef10d24fdd69025b556df74549921e3d4156201084
MD5 hash:
943153fd3c3ed9d114e9f178c9f0693c
SHA1 hash:
0f348594c321c9ee44f07b9abe0bfe97479c5c49
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Malspam

RemcosRAT

Executable exe a67d4cdb218d6e7106b4efef10d24fdd69025b556df74549921e3d4156201084

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments