MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265. 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: 54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265
SHA3-384 hash: 64458572430e16b464ad67ea5df026facdc6a5780e45f457c8fc6cd98a97f6840894757675740b674372d5a85d6e71b9
SHA1 hash: 5320c71a3335830809bd8b0b28b6929db89ac19d
MD5 hash: aaf268a210670e422fe8c05c88c7f6e6
humanhash: fanta-equal-rugby-edward
File name:Yegdeajzb.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'439'744 bytes
First seen:2023-10-31 07:01:19 UTC
Last seen:2023-10-31 08:40:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:sIGbY3AAeKDtDOrm7OGwJJyBsGk+MiTZWkpXcXxowimEO/sv/iPdHaaLS2QwK:kyXFO8OGgNSTZWSTw2vc6b
Threatray 2'830 similar samples on MalwareBazaar
TLSH T1CA650196B960A3A4D7D84872EA17E7760D255C9F590210633BF8BE273FFD023DA16630
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 0eda80a2a280a2c0 (1 x Formbook, 1 x RemcosRAT, 1 x zgRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
341
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Yegdeajzb.exe
Verdict:
Malicious activity
Analysis date:
2023-10-31 07:21:16 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/fcbb2ed0-d5ba-42eb-93f4-aa373f3595c8

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/457290/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.28269.28879.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6540a66ab38131f117ab3f13/reports/bf613a41-91d7-478f-9a58-6f13436fccd1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265
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/30a62c4e-b13f-49f1-8b4a-74ba8a7e41bf
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334712
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1334712 Sample: Yegdeajzb.exe Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 25 geoplugin.net 2->25 27 cdn.discordapp.com 2->27 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 7 Verlqqyo.exe 14 4 2->7         started        11 Yegdeajzb.exe 16 5 2->11         started        14 Verlqqyo.exe 3 2->14         started        signatures3 process4 dnsIp5 33 162.159.130.233, 443, 49725, 49727 CLOUDFLARENETUS United States 7->33 45 Multi AV Scanner detection for dropped file 7->45 47 Contains functionality to bypass UAC (CMSTPLUA) 7->47 49 Contains functionalty to change the wallpaper 7->49 55 6 other signatures 7->55 16 Verlqqyo.exe 7->16         started        18 Verlqqyo.exe 7->18         started        35 cdn.discordapp.com 162.159.133.233, 443, 49717 CLOUDFLARENETUS United States 11->35 23 C:\Users\user\AppData\Roaming\Verlqqyo.exe, PE32 11->23 dropped 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->51 53 Injects a PE file into a foreign processes 11->53 20 Yegdeajzb.exe 3 13 11->20         started        file6 signatures7 process8 dnsIp9 29 193.142.59.240, 49723, 5151 HOSTSLICK-GERMANYNL Netherlands 20->29 31 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 20->31
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 09:10:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=krebums725j22tjcc775xfifrqnheigtavqagqgdz3kglmpawjsq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3bdd69de010f0f5eab2291127a6645fb8ed19f279276a6e7bf1122cf1937d61c
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
6d69abf704c0ac0c71d7d35cc0eaa5b0ba230b7538ee159ad415b06798143c33
RemcosRAT
70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
RemcosRAT
81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9
RemcosRAT
a8c7f79f118f3ff57bef79b5877355adab4269c99a6c61dfca429a46ff0fb357
RemcosRAT
b09ad34d756d9477b24bca1cb4dfcc95e21aa67f72817560dba0d9042255bdca
RemcosRAT
be8ccfb19dab5c8d7b4273dc77b34c7ca0afea516e6bf85f607904345a3ad54f
RemcosRAT
d1e1c9332fa8a6bd045fd4ccfa11055a4e17d1cad72239aab2400870191c4185
RemcosRAT
d31044022de445b61ba735083a47c5fd1f4d5c8dfcf544da489572ce3fafdc79
RemcosRAT
+ 2'820 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:wz101 persistence rat
Link:
https://tria.ge/reports/231031-httf9sbc55/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
193.142.59.240:5151
Unpacked files
SH256 hash:
54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265
MD5 hash:
aaf268a210670e422fe8c05c88c7f6e6
SHA1 hash:
5320c71a3335830809bd8b0b28b6929db89ac19d
Link:
https://www.unpac.me/results/5e30ede8-33c0-454c-96f1-84c75cc1a990/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/54481a325fd753ad4d2217ffdb95058c1a7220d305600340c3ced465b1e0b265

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/457290/

Comments