MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f
SHA3-384 hash: e35eb78c1a4868f8d8fedc10cc6706c856da404e471df60029d9c5ba08a5022faa5a6022cf822083fd11a627c84ed92a
SHA1 hash: 50f9331261fc201d7df8321657582f2021bd70b5
MD5 hash: 4e527c6f012db544082861b341a7bd6d
humanhash: don-orange-california-comet
File name:INV.DHL202038658530 ,PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'080'320 bytes
First seen:2021-09-22 05:55:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bc8cc1eea5c25ce2056d7da92bd98134 (9 x RemcosRAT, 3 x NetWire, 1 x AveMariaRAT)
ssdeep 12288:BSZPsJUL/MN/cen/VwTQBXcameDCnNm7eoAdrL7+o:bOQN/cu/VdBXKyCnEirP
Threatray 632 similar samples on MalwareBazaar
TLSH T194356BC26782DCE1EC253A3ED44A72416315BFF538438C8C9DB43FCB56A8A51F84A59B
File icon (PE):PE icon
dhash icon 88a2b6b2aaaad4d4 (11 x RemcosRAT, 3 x Formbook, 2 x AveMariaRAT)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV.DHL202038658530 ,PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-09-22 06:00:06 UTC
Tags:
installer trojan rat remcos
Link:
https://app.any.run/tasks/ff2c58a1-b490-46d9-8178-e9cb05832fb8

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/190054/
Detection(s):
SecuriteInfo.com.Variant.Zusy.401426.12281.16827.UNOFFICIAL
Create hunting rule

Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b55c1f2-9494-45b8-a5b8-e522186030f9
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/855342
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 487770 Sample: INV.DHL202038658530 ,PDF.exe Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 4 other signatures 2->65 8 INV.DHL202038658530 ,PDF.exe 1 22 2->8         started        13 Jqxavcu.exe 15 2->13         started        15 Jqxavcu.exe 17 2->15         started        process3 dnsIp4 45 quq5ka.db.files.1drv.com 8->45 47 onedrive.live.com 8->47 49 db-files.fe.1drv.com 8->49 41 C:\Users\Public\Libraries\...\Jqxavcu.exe, PE32 8->41 dropped 75 Writes to foreign memory regions 8->75 77 Creates a thread in another existing process (thread injection) 8->77 79 Injects a PE file into a foreign processes 8->79 17 mobsync.exe 2 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        51 quq5ka.db.files.1drv.com 13->51 55 2 other IPs or domains 13->55 25 logagent.exe 13->25         started        53 quq5ka.db.files.1drv.com 15->53 57 2 other IPs or domains 15->57 27 mobsync.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 vegospupm.ddns.net 194.147.140.13, 49742, 5632 PTPEU unknown 17->43 67 Contains functionality to inject code into remote processes 17->67 69 Contains functionality to steal Firefox passwords or cookies 17->69 71 Delayed program exit found 17->71 29 reg.exe 1 21->29         started        31 conhost.exe 21->31         started        33 cmd.exe 1 23->33         started        35 conhost.exe 23->35         started        73 Contains functionality to steal Chrome passwords or cookies 25->73 signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2021-09-22 05:55:19 UTC
AV detection:
21 of 45 (46.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vczihb3m7ymkbb4eahacza7xh4j27wq33ujpsvkj37hn2l4alzpq._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
+ 622 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:blessings persistence rat suricata
Link:
https://tria.ge/reports/210922-gm2nmaecfl/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
vegospupm.ddns.net:5632
Unpacked files
SH256 hash:
9df5839fe41103d241af27c07ec4fce4adfb9129cb57fe6d3fd9a396a750fb49
MD5 hash:
36e70e671e5390c2363ea8803df1c84a
SHA1 hash:
8905d18a2eb8299c800331aee4bbd05afa8f5bcc
Link:
https://www.unpac.me/results/83d2dd8f-6e19-4451-a878-333cd7b1aebc/
SH256 hash:
a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f
MD5 hash:
4e527c6f012db544082861b341a7bd6d
SHA1 hash:
50f9331261fc201d7df8321657582f2021bd70b5
Link:
https://www.unpac.me/results/83d2dd8f-6e19-4451-a878-333cd7b1aebc/
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/a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f

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: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.

Malspam

RemcosRAT

Executable exe a8b283876cfe18a0878401c02c83f73f13afda1bdd12f95549dfcedd2f805e5f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190054/

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