MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ab89e55bbd69e15b4115d8cc2881040f24db3b7ba4ea63dc08ba72e2799e9d3. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ab89e55bbd69e15b4115d8cc2881040f24db3b7ba4ea63dc08ba72e2799e9d3
SHA3-384 hash: 2aa95c3dd4c3165f9284b1c25dfd28ea9f36675c74ccde92b21292c1264883560b4096a87d4c9dc1aa48940dcc4bafc3
SHA1 hash: 1e57e7a9bf09c95bd4ce94a247bfac1a1a8e789d
MD5 hash: 52b07c82545afbba24cbfc2adcf60f10
humanhash: pip-jupiter-steak-fish
File name:Documento de envío,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:905'728 bytes
First seen:2021-10-01 08:27:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 232258adce45df6a738819fd4629c94a (4 x RemcosRAT, 1 x Formbook)
ssdeep 12288:B+o1a37hoDboRXMoWUPPaR1t2+XkzYjqWG7w3785jWU1bjjx:Bv1ZbUWUPG/KYjvHL85SU1bj
Threatray 680 similar samples on MalwareBazaar
TLSH T10A159E16B7E248B9C13B227D9C63F3A99C25BD2429907840BBF47E84DF362417E37196
File icon (PE):PE icon
dhash icon 616110152b2b5130 (12 x RemcosRAT, 5 x Formbook, 4 x BitRAT)
Reporter pr0xylife
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documento de envío,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-10-01 08:33:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a6ba41ce-d7bb-4416-89dd-1413f2c1052a

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/193931/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.16444.12936.UNOFFICIAL
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/ef2f90fd-025e-4c34-b5e4-f806104cbd32
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/862525
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: 494949 Sample: Jz9vaMNJvn Startdate: 01/10/2021 Architecture: WINDOWS Score: 100 40 fmunity247.ddns.net 2->40 42 onedrive.live.com 2->42 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Detected Remcos RAT 2->56 58 5 other signatures 2->58 9 Jz9vaMNJvn.exe 1 22 2->9         started        14 Xivrqpv.exe 2->14         started        16 Xivrqpv.exe 2->16         started        signatures3 process4 dnsIp5 46 onedrive.live.com 9->46 48 mwlqlw.bl.files.1drv.com 9->48 50 bl-files.fe.1drv.com 9->50 38 C:\Users\Public\Libraries\...\Xivrqpv.exe, PE32 9->38 dropped 66 Writes to foreign memory regions 9->66 68 Allocates memory in foreign processes 9->68 70 Creates a thread in another existing process (thread injection) 9->70 72 Injects a PE file into a foreign processes 9->72 18 mobsync.exe 2 3 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        74 Machine Learning detection for dropped file 14->74 file6 signatures7 process8 dnsIp9 44 fmunity247.ddns.net 45.133.1.47, 3648, 49806, 49815 DEDIPATH-LLCUS Netherlands 18->44 60 Contains functionality to inject code into remote processes 18->60 62 Contains functionality to steal Firefox passwords or cookies 18->62 64 Delayed program exit found 18->64 26 reg.exe 1 22->26         started        28 conhost.exe 22->28         started        30 cmd.exe 1 24->30         started        32 conhost.exe 24->32         started        signatures10 process11 process12 34 conhost.exe 26->34         started        36 conhost.exe 30->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ab89e55bbd69e15b4115d8cc2881040f24db3b7ba4ea63dc08ba72e2799e9d3/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-10-01 08:28:31 UTC
AV detection:
6 of 45 (13.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hk4j4vn322pblnarlwgmfcaqidze3m5xxjhkmpoarots4j4z5hjq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04f483018f53c35976cfd9c4b5191279761a351b3e135a70ae9c5c2b53be154b
RemcosRAT
15851690d3cb99d95e82bb47d3f31db71688c69dd50b0a8367e97aa3b501b637
RemcosRAT
204806f363e25b8caab19fade1152cbdef6d19a2ee0f122ce2a2aa3949154f1d
RemcosRAT
62960caf3d007638be89631e502733f30c42a9ba0269e8c00457c9dec10e9136
RemcosRAT
6a96d22dec9171b154bb1a94c68fa02dda51713709dad161681a759f64cc3014
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
8cb9b0ac073c398ffc0147a1a84ffa9c2db217df67c5a89f34f4a5fb12be7cc3
RemcosRAT
b0f43b627353f91afa5e4a9c5eea655f5375e497933a6e37c3c0f8a5a29a2889
RemcosRAT
b9384216a5aea20cd398e51c6549bb84d6b252f3fde114010e3cc0c60b1e2b13
RemcosRAT
dc1bb96ddee60e15d3344fc4b0413634a54974ef9e854628157800c9d695f028
RemcosRAT
+ 670 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/211001-kcz9labcgk/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Unpacked files
SH256 hash:
f808a11e5b1cb4332bb4d65cdbcf1e0ca7323b15bcf73cb7462ad3eb30f05703
MD5 hash:
6cfdeebc3c72279486ddd229eb14b009
SHA1 hash:
e3a2a0a2a0fabd55415c9007f52c79fe9e19e0a7
Link:
https://www.unpac.me/results/3231bc48-5972-4a6c-a3da-dded3818c66f/
SH256 hash:
3ab89e55bbd69e15b4115d8cc2881040f24db3b7ba4ea63dc08ba72e2799e9d3
MD5 hash:
52b07c82545afbba24cbfc2adcf60f10
SHA1 hash:
1e57e7a9bf09c95bd4ce94a247bfac1a1a8e789d
Link:
https://www.unpac.me/results/3231bc48-5972-4a6c-a3da-dded3818c66f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3ab89e55bbd6/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/3ab89e55bbd69e15b4115d8cc2881040f24db3b7ba4ea63dc08ba72e2799e9d3

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.

Cape
Cape
https://www.capesandbox.com/analysis/193931/

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