MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07
SHA3-384 hash: 04dda18dd4106f42737a1e5cc1c414b2b7246ad294419c8fa9e364f69abad0bfab98b8726e1880a47ae46d7a0a7c5795
SHA1 hash: 20d691c180613eeff21227d5b40e3839c38937fd
MD5 hash: 009b10471359c9d05d810591dfde36af
humanhash: rugby-california-lactose-south
File name:AWB # 1012617429350,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:996'352 bytes
First seen:2021-10-22 10:24:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ac55f6686b1348553fd9b5d485943699 (5 x Formbook, 4 x RemcosRAT)
ssdeep 12288:fDug7DeIhyEzPsO4z+oxMOQWHphA3hHx8rkRZQ9XYBk9NAOe6k1+hO/O5N8DoQTR:rt7JhyEz0O4z+OQK79HHQT2ODA
TLSH T1A125AD60A9D40476E6673E3CCC35097E423EAF942D595149AEF0FC661FBE3CB3226192
File icon (PE):PE icon
dhash icon 36f0390284e2da70 (12 x RemcosRAT, 7 x Formbook, 1 x OskiStealer)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199363/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader43.48586.12000.12857.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger packed
Link:
https://www.filescan.io/uploads/617291829a5a1e91c5cebe0e/reports/99971184-54d2-4379-a988-2170d81c3dc2/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/9144f591-e8d3-41c9-a81f-9b164061c930
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/875153
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 507583 Sample: AWB # 1012617429350,pdf.exe Startdate: 22/10/2021 Architecture: WINDOWS Score: 100 44 jimnvv.ddns.net 2->44 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Detected Remcos RAT 2->66 68 5 other signatures 2->68 9 AWB # 1012617429350,pdf.exe 1 21 2->9         started        14 Zhrxyc.exe 15 2->14         started        16 Zhrxyc.exe 15 2->16         started        signatures3 process4 dnsIp5 48 192.168.2.1 unknown unknown 9->48 50 zcutca.bn.files.1drv.com 9->50 56 2 other IPs or domains 9->56 42 C:\Users\Public\Zhrxyc.exe, PE32 9->42 dropped 80 Writes to foreign memory regions 9->80 82 Allocates memory in foreign processes 9->82 84 Creates a thread in another existing process (thread injection) 9->84 18 secinit.exe 2 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        52 zcutca.bn.files.1drv.com 14->52 58 2 other IPs or domains 14->58 86 Multi AV Scanner detection for dropped file 14->86 88 Injects a PE file into a foreign processes 14->88 26 mobsync.exe 14->26         started        54 zcutca.bn.files.1drv.com 16->54 60 2 other IPs or domains 16->60 28 logagent.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 jimnvv.ddns.net 194.5.97.23, 3344, 49759, 49761 DANILENKODE Netherlands 18->46 70 Contains functionalty to change the wallpaper 18->70 72 Contains functionality to steal Chrome passwords or cookies 18->72 74 Contains functionality to capture and log keystrokes 18->74 78 2 other signatures 18->78 30 reg.exe 1 22->30         started        32 conhost.exe 22->32         started        34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        76 Contains functionality to steal Firefox passwords or cookies 26->76 signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07/
Threat name:
Win32.Downloader.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-10-22 10:25:05 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkqtfh6bucrbqrgb65oxpekuqmzhr5bk3n6xyounoyfnizmvdudq._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:jimbo persistence rat
Link:
https://tria.ge/reports/211022-mfylaabec3/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
jimnvv.ddns.net:3344
Unpacked files
SH256 hash:
651d2f39c341c86341babbf45e367c1fe183f49348f3816f91920e08ed057d2a
MD5 hash:
100b966ad7ecd1ba763f069d4f1c27d6
SHA1 hash:
630ce76fda48fa229e41cf3e5b70f21af8288af0
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/97abb2b0-2fad-4d03-9eed-6916d2ae4496/
Parent samples :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 hash:
6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07
MD5 hash:
009b10471359c9d05d810591dfde36af
SHA1 hash:
20d691c180613eeff21227d5b40e3839c38937fd
Link:
https://www.unpac.me/results/97abb2b0-2fad-4d03-9eed-6916d2ae4496/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6aa1329fc1a0/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/6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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 6aa1329fc1a0a21844c1f75d779154833278f42adb7d7c3a8d760ad465951d07

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/199363/

Comments