MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
SHA3-384 hash: d4d0cc612bfd9d312e1dd3135c49725fb639fe8c68aab910f296dfaaeec94a98bf4399d5794b6a05ed231807b2cc796f
SHA1 hash: a1f73365b88872de170e69ed2150c6df7adcdc9c
MD5 hash: 6bfd0ea0af00801699f81c8ce21e19cb
humanhash: lemon-uranus-river-eight
File name:File-919-12-12-22.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:496'259 bytes
First seen:2022-12-12 08:45:24 UTC
Last seen:2022-12-19 08:38:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:M1OBwmNEmVYGuLEAOGZKHVXWyEod8YypHptIa:aOB2GAOGZOVXjEwYptIa
Threatray 2'338 similar samples on MalwareBazaar
TLSH T1CDB423ABB6CAC422D9E06F750FBB8BF8F77352041262919B7FA11F7E95F41C21621441
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
File-919-12-12-22.exe
Verdict:
Malicious activity
Analysis date:
2022-12-12 10:03:02 UTC
Tags:
installer rat remcos keylogger stealer
Link:
https://app.any.run/tasks/218cb696-60f5-4228-b609-32523500d77c

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/345356/
Detection(s):
SecuriteInfo.com.Variant.Jaik.77520.2735.32434.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6396ea509a505ad9423f25a3/reports/425dc712-5a15-4790-9c7e-9dfd75dd263c/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/2def5544-483b-4f75-8d73-28a91ccb7e93
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1132500
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 765224 Sample: File-919-12-12-22.exe Startdate: 12/12/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 7 File-919-12-12-22.exe 19 2->7         started        10 tytqmprhjhaoj.exe 2->10         started        13 tytqmprhjhaoj.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\xyoabf.exe, PE32 7->28 dropped 15 xyoabf.exe 1 2 7->15         started        56 Multi AV Scanner detection for dropped file 10->56 19 WerFault.exe 10 10->19         started        22 WerFault.exe 4 10 13->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\tytqmprhjhaoj.exe, PE32 15->30 dropped 38 Multi AV Scanner detection for dropped file 15->38 40 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->40 42 Contains functionality to steal Chrome passwords or cookies 15->42 44 3 other signatures 15->44 24 xyoabf.exe 2 14 15->24         started        32 192.168.2.1 unknown unknown 19->32 file8 signatures9 process10 dnsIp11 34 xpremcuz300622.ddns.net 194.180.48.184, 3542, 49696 LVLT-10753US Germany 24->34 36 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 24->36 54 Installs a global keyboard hook 24->54 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-12-12 08:46:14 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nqhvvg7zx7mex2i7hwcdgw3dvsk2ykzcp7w4lxsdtfyvo4zivqya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
05839c4974350e259502d664b4bf0fe2b228db4a95c39f4dc6d19b31414453aa
RemcosRAT
1e3d5369ea28851f7013099f82d535b12e3e88c72ae190fdf571fb9beb9e0ace
RemcosRAT
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
RemcosRAT
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
RemcosRAT
d412bda38a99d6bbdd30c66e3b5bfa6c1a441ff597c58c9878e8e329ca8c7636
RemcosRAT
d95e5151d6dd5c5c08ae6a5964361933ad2dc0740082143d9db3dff97088afc5
RemcosRAT
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
RemcosRAT
+ 2'328 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:xp_no startup persistence rat
Link:
https://tria.ge/reports/221212-kpbf1adf6s/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
xpremcuz300622.ddns.net:3542
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/611f0616-988c-450d-8c2d-7886fa913be8
Unpacked files
SH256 hash:
65a1d113f7dc5ec1f3e35c6cd4df378cc412cf71d65deb6b3d0dc3f3b26ddd71
MD5 hash:
ab7e54fec4c511c9de20e31d8415b5cf
SHA1 hash:
a6d52521ffbfc9dad59a7c464c07c7abd983f586
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/d88b8e1f-0195-4a84-8c89-244c5a5a3085/
Parent samples :
98c0c891e2c4aff954bd915bceb34153a4f732ef8b7743162c6faaa079161e84
4f3ac2facaae4e74a303e1c92b36c87372397fa19f93d3025cc6fa5c027a7b29
c03cfddda1ce6811ac0aa6cd6d9957e688a3fd37c02a16c15af285bff2c9b04f
c51b5ab4f58954b8e389c8fbd8b7774de8365a5222a6a34eeb2a13d152245b83
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
6c405e0fb6fa88a355b6addac57f8663af6a0e2256bc8d23da104567360ce6f9
fa965dc6edbb0e244cef4ecab1dabb2d04c9c174e42ac25c60f463237bcea16b
d3a2043efc6af7c4ab5141626759c855ae393005862d78c7e325ba585684c5b0
c7e2ce7b8a6da88127cbb0730c2b8b9869f7f0e6a4ba831e34d1aa18122ce5e2
SH256 hash:
3adf7cfdcd2299629bfb2718068d7ce44273d4c374e4e12fc3c742a64b92588a
MD5 hash:
ad860fe94ab5d958dcb2712535744867
SHA1 hash:
ce0787aa981f3f9c2fca293f4c520e7c66db9892
Link:
https://www.unpac.me/results/d88b8e1f-0195-4a84-8c89-244c5a5a3085/
SH256 hash:
6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30
MD5 hash:
6bfd0ea0af00801699f81c8ce21e19cb
SHA1 hash:
a1f73365b88872de170e69ed2150c6df7adcdc9c
Link:
https://www.unpac.me/results/d88b8e1f-0195-4a84-8c89-244c5a5a3085/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c0f5a9bf9bf/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/6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
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 6c0f5a9bf9bfd84be91f3d84335b63ac95ac2b227fedc5de439971577328ac30

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/345356/

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