MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc8e696bc814b7b35bd8c89aafc8e0e105a12a96124ec8ffe1775c022c3f4041. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc8e696bc814b7b35bd8c89aafc8e0e105a12a96124ec8ffe1775c022c3f4041
SHA3-384 hash: 0e2d2c72175612b6905bde1ab8b59f78631faa4522fa87a2fda3b0c2046cc80fc3b64f38075290e3ed31da9952a8fcec
SHA1 hash: dd3428d9ceef8ed93eead620bc4f64c024a36a26
MD5 hash: e8c3deb53dd1a753b1b72cc85b752898
humanhash: uranus-quiet-kitten-ten
File name:Nuevo pedido # 765-3523663 ,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:849'408 bytes
First seen:2021-10-02 06:58:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8bef6a4d96b506b71db09bffc4184dc7 (5 x RemcosRAT)
ssdeep 12288:tFJgcBmkZEwyRiET71YDWV0YLE+VotReP3mfCL9tZK6O90Oe6jkOGbGR:HGe5aXRiEiDWVxL8qPm6L9tZ2jG
Threatray 2'697 similar samples on MalwareBazaar
TLSH T1F6056C1B6DE448B2C56207BD0CCDC3E9B525EE6B1A5E845257FF898DAB7B163302D302
File icon (PE):PE icon
dhash icon 36f0390284e2da70 (12 x RemcosRAT, 7 x Formbook, 1 x OskiStealer)
Reporter abuse_ch
Tags:ESP exe geo RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nuevo pedido # 765-3523663 ,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-10-02 07:06:14 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/82633a2a-21b5-4be1-83d5-570e9e27b164

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/194132/
Detection(s):
Win.Trojan.Remcos-9897068-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/05c95bc2-3563-47a7-80fa-e61e6f784e8d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863091
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
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
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 495515 Sample: Nuevo pedido # 765-3523663 ... Startdate: 02/10/2021 Architecture: WINDOWS Score: 100 44 nnnnoy.ddns.net 2->44 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 4 other signatures 2->70 9 Nuevo pedido # 765-3523663 ,pdf.exe 1 22 2->9         started        14 Wcahmfz.exe 15 2->14         started        16 Wcahmfz.exe 15 2->16         started        signatures3 process4 dnsIp5 50 ztmebw.sn.files.1drv.com 9->50 52 sn-files.fe.1drv.com 9->52 54 onedrive.live.com 9->54 42 C:\Users\Public\Libraries\...\Wcahmfz.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 logagent.exe 2 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        56 ztmebw.sn.files.1drv.com 14->56 60 2 other IPs or domains 14->60 86 Multi AV Scanner detection for dropped file 14->86 88 Injects a PE file into a foreign processes 14->88 26 logagent.exe 14->26         started        58 ztmebw.sn.files.1drv.com 16->58 62 2 other IPs or domains 16->62 28 DpiScaling.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 nnnnoy.ddns.net 194.5.97.16, 49751, 49752, 49755 DANILENKODE Netherlands 18->46 48 192.168.2.1 unknown unknown 18->48 72 Contains functionalty to change the wallpaper 18->72 74 Contains functionality to steal Chrome passwords or cookies 18->74 76 Contains functionality to capture and log keystrokes 18->76 78 3 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        signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc8e696bc814b7b35bd8c89aafc8e0e105a12a96124ec8ffe1775c022c3f4041/
Threat name:
Win32.Downloader.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-10-01 20:42:18 UTC
AV detection:
11 of 28 (39.29%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xshgs26ics33gw6yzcnk7sha4ec2ckuwcjhmr77bo5oaelb7ibaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1d4f1e01cbbd896a55a83dd107e381fe0a572bd2c9327cbb82a9510eb4832e99
RemcosRAT
462062209acc090a567e2bd571acd1d52c19d0d80ee56da256a3c58aaf3b12e9
RemcosRAT
4c3369f33a6fa9531537b67a2409b394ade046cf270e00622b08f66c4877f00d
RemcosRAT
5cfeb31e244749101b15620775505444327ee862cdec4a3e04f6af994a8e32f4
RemcosRAT
63546d7293b43b8c746bbddddcfe798478d99e5786fceff8d1fcfb52b9a64aed
RemcosRAT
66eb53699937b049b917bbcfa13b9b5d2f8449753dcbbf9e35405a766cdc9a70
RemcosRAT
798fc4066cf0b5e0c6711d32ca8d43afc7d4b99f333c184b7fd0b7d3b7eb7559
RemcosRAT
b9a4e85c7d4645fd515eb3f8b883ee8e5990ff4381a90b5a8f42bff007fbb386
RemcosRAT
e65bff9943ab7ccc3713619a8d908f6caf5392c0c47defe3b66ca9009d2177ed
RemcosRAT
+ 2'687 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:jmax persistence rat
Link:
https://tria.ge/reports/211002-hr4jfseadj/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
nnnnoy.ddns.net:5367
Unpacked files
SH256 hash:
f808a11e5b1cb4332bb4d65cdbcf1e0ca7323b15bcf73cb7462ad3eb30f05703
MD5 hash:
6cfdeebc3c72279486ddd229eb14b009
SHA1 hash:
e3a2a0a2a0fabd55415c9007f52c79fe9e19e0a7
Link:
https://www.unpac.me/results/467ddccc-3958-464b-83e2-02178c5ec02f/
SH256 hash:
bc8e696bc814b7b35bd8c89aafc8e0e105a12a96124ec8ffe1775c022c3f4041
MD5 hash:
e8c3deb53dd1a753b1b72cc85b752898
SHA1 hash:
dd3428d9ceef8ed93eead620bc4f64c024a36a26
Link:
https://www.unpac.me/results/467ddccc-3958-464b-83e2-02178c5ec02f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bc8e696bc814/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/bc8e696bc814b7b35bd8c89aafc8e0e105a12a96124ec8ffe1775c022c3f4041

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_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
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.

Cape
Cape
https://www.capesandbox.com/analysis/194132/

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