MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8240cf55eedc10fe9c52a8af58b5c7a2f85e4f1fbae283779039bf9056f0cb2. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8240cf55eedc10fe9c52a8af58b5c7a2f85e4f1fbae283779039bf9056f0cb2
SHA3-384 hash: 2f5c97b94b8b6ea71b5d32cf1b8b126d56d47580ddc43cf70635a9f0df1c28bcdcbfcc44b2a1de5bb6b5c02b064466f8
SHA1 hash: fc013e136f43889a66022d9391c11c2c55139c40
MD5 hash: c8c4d2e1336b30e74bc4c66f75e3998b
humanhash: leopard-steak-william-social
File name:Document.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'009'152 bytes
First seen:2021-09-27 17:43:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7485e319df85e87afca01bdc77d12961 (9 x RemcosRAT, 3 x Formbook, 2 x Loki)
ssdeep 24576:L5A8SqIkJpbDpQc6ScVHdZaHxA7VhLRYF:Lr5ZoHdZaRyzKF
Threatray 656 similar samples on MalwareBazaar
TLSH T1E025AF22B7B6043EC1FB273CCC671AA9546EBE042D1C68469FE41A4C4F352567232DEB
File icon (PE):PE icon
dhash icon d6e6c45673d96861 (12 x RemcosRAT, 3 x Formbook)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 17:47:11 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/c2bb1f90-d629-4dc8-8769-09e43d20f9d2

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/192236/
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/d70bcf54-9483-4bce-827f-57728b42a31e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859257
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491695 Sample: Document.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 6 Wjfbdrh.exe 15 2->6         started        10 Document.exe 1 17 2->10         started        13 Wjfbdrh.exe 15 2->13         started        process3 dnsIp4 27 qwqxeq.bl.files.1drv.com 6->27 35 2 other IPs or domains 6->35 49 Multi AV Scanner detection for dropped file 6->49 51 Writes to foreign memory regions 6->51 53 Creates a thread in another existing process (thread injection) 6->53 15 mobsync.exe 6->15         started        29 qwqxeq.bl.files.1drv.com 10->29 37 2 other IPs or domains 10->37 23 C:\Users\Public\Libraries\...\Wjfbdrh.exe, PE32 10->23 dropped 18 logagent.exe 2 3 10->18         started        31 192.168.2.1 unknown unknown 13->31 33 qwqxeq.bl.files.1drv.com 13->33 39 2 other IPs or domains 13->39 21 logagent.exe 13->21         started        file5 signatures6 process7 dnsIp8 55 Contains functionality to steal Chrome passwords or cookies 15->55 57 Contains functionality to steal Firefox passwords or cookies 15->57 59 Delayed program exit found 15->59 25 remcosw11.mywire.org 193.187.91.95, 2404, 49778 OBE-EUROPEObenetworkEuropeSE Sweden 18->25 61 Contains functionality to inject code into remote processes 18->61 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8240cf55eedc10fe9c52a8af58b5c7a2f85e4f1fbae283779039bf9056f0cb2/
Threat name:
Win32.Downloader.FormBook
Create hunting rule
Status:
Malicious
First seen:
2021-09-27 17:42:57 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3asaz5k65xaq72offkfplc24pixylzhr7oxcqn3zaon7sblpbsza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04f483018f53c35976cfd9c4b5191279761a351b3e135a70ae9c5c2b53be154b
RemcosRAT
098777450fb98055538af7369ae8b2ae93513fb853fed0ab72ae0304917165ce
RemcosRAT
204806f363e25b8caab19fade1152cbdef6d19a2ee0f122ce2a2aa3949154f1d
RemcosRAT
2aa5639604d9d6aa4791da8ca588697fc266455334a6778a0e6db2718b522d61
RemcosRAT
37cc8d06cb1500b90001e9307464c2f7a2d603c54ef604db7b840b635900d365
RemcosRAT
7ede77932ce7a1fb54f227934c436ce1d0f746efce80e66a7664a4f7bfc909cf
RemcosRAT
a6e1bb4ed47aa0c32ba63a6c0215e870b69ef69b678312bc5417cadcca53ac36
RemcosRAT
b5b90ddea887867812678f6a62b6104051495691128c2199c2cf3238d41d0a2c
RemcosRAT
bea16fcbe3fca90654deebc3cb31edf6f6c00a79c5ccc834b92754a90e55417b
RemcosRAT
c87cff3c7f00d56ce450d19492210e84e7277790129eb83e25213021cb0fe369
RemcosRAT
+ 646 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210927-wa65xahfa2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
18d5f2bb4c00c8e6fb62f43bc3878c615b600ec26bc25b98204cc2e945cd175a
MD5 hash:
b0d9d156b07f2199b3334fc6564c133d
SHA1 hash:
0c39614273b857121740e0142d1d9809de8bc41b
Link:
https://www.unpac.me/results/29b19d2b-b598-489e-be3a-a15c620c42fb/
Parent samples :
b400601e35e72a20ca4a0fb19af7a93ddeddcd568674232cabb6c1e05ce4fd07
a643235802bd118331000b4a251952815382078dd0aaaded76e4a8890bbac5f6
33b01cf0eb422d872201670e34b732f76c980ae7ccb016068438272ed426a50b
fe6bd626fd98e3c0e4a2c350e5d927398e22e7731e7c2e1f31bc02181735c4e0
a97b00620e1e8ef9ef5c5f922f5b40ecf698504402d3e14979701c330bef7b56
90e1eac40edda005fffadbb1d16c652d16e685f8f4cf7375eb6ac928222c3a1c
1e54beecbd654f17bab2c6f883ea089943d68ae3e49aaea079182173dc203297
a0703367806de16bac9c75c016780c0bf3b1d8c21cf7f51b6a47b6a1aba74999
1ed62fd139d5efe1cb2650f52cf405d615dc19dae62744df9fb364cd1970a4bc
ffb6236e6dd03ba2599326f3d83d2ffabf8ab18902f1865aa0a68f1881e31978
99cdf3421923232c160c5075af3bf8620df65bd59cf99cc341f17a58e1eeb4f2
8f1eefd14608fae865576d9f7a24be116eb9d8dcebf89c954e2e645b06174c4e
f86258665b68d70e83397ac4ef17598c552b994dd13f26b8208c4d40b8e94816
ed78db064dfb4ae791498b2d08410a69bdad684ff709319d179c2383dd8e2f1c
3490cb5fd9a372722f95ed69c41e23d5cd274ce6b3c024ec1731962a380409d6
d86532a631143032da8dd4e4fd86cbaed87777ef2ede4a60377d534cb9ea7271
298d542746dfa4922dd5fbc8fab572be58447c9dbd1481c55bd2254bb275684f
ffb0bd5cf5a1716fa50f01a4b4fd98d396842c7c263d3ce03623748430b30a93
a2067e35b12b83ddae55145931870302de477b5ccce82a5e86ea7bf8e057d8d7
a2539269c2b9200d7baed9f0dfc25b59fd4713a641d79fd9bd13272c7e1296ca
0aff281c192e919ce8a4e2091a058aa3c8fab2379dd50d7dd7ac7217af4dc838
cc8b096d71a4734e17e6f1bcf10d9730e5a2b3ab15b7e89852a4cdd204563d29
1e24e03e9ffdbe39ca8d357d0130aff5c50f2ddd7b2f613ab9dc01f02d0527d3
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
67c445ff181fcaa6b46a1d1af78a9df1ac413593f29561e4fa43059c7ed85ace
SH256 hash:
d8240cf55eedc10fe9c52a8af58b5c7a2f85e4f1fbae283779039bf9056f0cb2
MD5 hash:
c8c4d2e1336b30e74bc4c66f75e3998b
SHA1 hash:
fc013e136f43889a66022d9391c11c2c55139c40
Link:
https://www.unpac.me/results/29b19d2b-b598-489e-be3a-a15c620c42fb/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d8240cf55eed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/d8240cf55eedc10fe9c52a8af58b5c7a2f85e4f1fbae283779039bf9056f0cb2

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/192236/

Comments