MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03e298154f6a21a7f3e98d06193f5f3c902325887428ab1d7c9390685b239d02. 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 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03e298154f6a21a7f3e98d06193f5f3c902325887428ab1d7c9390685b239d02
SHA3-384 hash: 24f7b8abc1547e3b05fcf7e577c5b6fdd9e555aa0da01a4264a844add5bed9c965e2317335819d1301cc70dbb520b61c
SHA1 hash: f0ac9a0148ccd99389d33c0a5ba55dc8f4e57e35
MD5 hash: c8529af1b3edbd9290006d810773cb39
humanhash: south-steak-white-virginia
File name:mmfdzzzzzzdfg.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:657'576 bytes
First seen:2022-10-13 13:20:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:EbHgA0fdmmr3AYwqkyrVeoM8AgtJsEFW5LSXTxH51v5vLf:EbAAc3r3AvFyrVeoMVgtJsEEibv57
Threatray 3'679 similar samples on MalwareBazaar
TLSH T15BE4CFE16740C465D8A39679943BEAB7B423B61E9C6C490D2A91FF0B3C73347402BD9B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
198.20.177.164:3200

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
198.20.177.164:3200 https://threatfox.abuse.ch/ioc/880641/

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/319963/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42951/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed ransomware shell32.dll
Link:
https://www.filescan.io/uploads/634810c0f2794c622d28b365/reports/c118a7d1-9a59-47c5-9931-814e6b07b009/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/64d616da-8fe4-4812-ab55-55ac17b9986b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1089976
Signature
Antivirus detection for dropped file
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 722585 Sample: mmfdzzzzzzdfg.exe Startdate: 13/10/2022 Architecture: WINDOWS Score: 92 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for dropped file 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 4 other signatures 2->37 7 mmfdzzzzzzdfg.exe 18 2->7         started        process3 file4 21 C:\Users\user\AppData\Local\Temp\cwsszp.exe, PE32 7->21 dropped 10 cwsszp.exe 282 7->10         started        process5 file6 23 C:\Users\user\AppData\Local\Temp\FFD.tmp, PE32 10->23 dropped 25 C:\Users\user\AppData\Local\Temp\FF12.tmp, PE32 10->25 dropped 27 C:\Users\user\AppData\Local\Temp\FDE8.tmp, PE32 10->27 dropped 29 279 other malicious files 10->29 dropped 13 svchost.exe 1 10->13         started        15 svchost.exe 1 10->15         started        17 conhost.exe 10->17         started        19 35 other processes 10->19 process7
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/03e298154f6a21a7f3e98d06193f5f3c902325887428ab1d7c9390685b239d02/
Threat name:
Win32.Trojan.GenericML
Create hunting rule
Status:
Malicious
First seen:
2022-10-13 13:21:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aprjqfkpniq2p47jrudbsp27hsicgjmioqukwhl4soigqwzdtuba._file
Verdict:
malicious
Similar samples:
167f095c678aad5d26949f46d21bd2bc07744b09968d780e310484b42404580e
RemcosRAT
4eaa6cbb07ff01de61ba87d140ca4dcd5c4054f9796bc6c15e6946ef484991ff
RemcosRAT
51c618c3e7e2fee52da462177f0dd44e5fbb3d6234edd8fbf5542c2dc51a8aee
RemcosRAT
6713a526ffb1f9608dfb3769e696aff9908b0fc018447639c94c71f46dfe7ebe
RemcosRAT
886581e4b23e851f4244fb1a1d028e0ba1ed11d5b85868519cc606a40a06457c
RemcosRAT
c837d46a2947aa9bc4c5c85f524c6e7cd796a9d8d97f5e59fc952e396d6b9662
RemcosRAT
+ 3'669 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/221013-qlnj2sfdf4/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
662eb35dc33dfcb314b0b9a46074493679385ad57bd906b01814cdadb66be59e
MD5 hash:
0029ee993e1fbf3d40d0514e8d34ed2d
SHA1 hash:
04e711df9d4b3b5cd0bae987ff6660765a81853b
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9e5c04af-f06a-495e-a8ff-0c53ee13132c/
SH256 hash:
3f2a7fc8948e6b22cb4e31fc867249f599f93dcff6ad01addaba70aece4e0036
MD5 hash:
b53607b526212e1b4ab2a440b1cea1bf
SHA1 hash:
a16b4505ff670cf9fb4bb54c2b309a8268c81adf
Link:
https://www.unpac.me/results/9e5c04af-f06a-495e-a8ff-0c53ee13132c/
SH256 hash:
03e298154f6a21a7f3e98d06193f5f3c902325887428ab1d7c9390685b239d02
MD5 hash:
c8529af1b3edbd9290006d810773cb39
SHA1 hash:
f0ac9a0148ccd99389d33c0a5ba55dc8f4e57e35
Link:
https://www.unpac.me/results/9e5c04af-f06a-495e-a8ff-0c53ee13132c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/03e298154f6a21a7f3e98d06193f5f3c902325887428ab1d7c9390685b239d02

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:MAL_RANSOM_COVID19_Apr20_1
Create hunting rule
Author:Florian Roth
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
Rule name:MAL_RANSOM_COVID19_Apr20_1_RID2ECC
Create hunting rule
Author:Florian Roth
Description:Detects ransomware distributed in COVID-19 theme
Reference:https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/319963/

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