MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8. 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 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8
SHA3-384 hash: cb92ea43057955cb3f7bb4a35537577d166d81766b90373d335f162a9f739d942abc472871bb7a6fb6924fc985a9699d
SHA1 hash: 52197455c8a96ce2cf862862546487668a19ebf6
MD5 hash: 2beb301193d712fcf58a6ba11948dab5
humanhash: hot-september-oxygen-carolina
File name:DHL179030 document receipt.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:847'360 bytes
First seen:2022-03-29 07:17:57 UTC
Last seen:2022-03-29 08:16:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dbf1300428baed4574f07bfbbe98b092 (4 x Formbook, 1 x RemcosRAT)
ssdeep 12288:k8XoVKkPa3yFwp0ShMnn0sAIpxxfBy2oYWVwyUBPdCL9/ZHi:zYIkCyFwXhM0jIpx+h7UBPdCLHH
Threatray 3 similar samples on MalwareBazaar
TLSH T116058E9EA3918837C06316784C5B57F9981ABF103F24D4876AE83D4FBF356D1352A2A3
File icon (PE):PE icon
dhash icon f0c0db6c6a7af0fc (24 x Formbook, 6 x QuasarRAT, 5 x RemcosRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/259006/
Detection(s):
SecuriteInfo.com.Trojan7000000f1.8465.14402.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan7000000f1.17828.17877.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11940/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware keylogger
Link:
https://www.filescan.io/uploads/6242b2ad1f2042394848dbf1/reports/0f04855b-e2e1-4116-ba60-56de17d3d8b6/overview
Result
Verdict:
UNKNOWN
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/22e6fdb4-2eeb-4ca2-9825-b6c734b3e751
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966432
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
Drops PE files to the user root directory
Found malware configuration
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Program Location with Network Connections
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598935 Sample: DHL179030 document receipt.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 9 other signatures 2->64 9 DHL179030 document receipt.exe 1 22 2->9         started        14 Qxqqbib.exe 14 2->14         started        16 Qxqqbib.exe 17 2->16         started        process3 dnsIp4 44 znx9pq.am.files.1drv.com 9->44 52 2 other IPs or domains 9->52 38 C:\Users\Public\Qxqqbib.exe, PE32 9->38 dropped 40 C:\Users\Public\Qxqqbib.exe:Zone.Identifier, ASCII 9->40 dropped 74 Writes to foreign memory regions 9->74 76 Creates a thread in another existing process (thread injection) 9->76 78 Injects a PE file into a foreign processes 9->78 18 logagent.exe 2 9->18         started        22 cmd.exe 1 9->22         started        46 znx9pq.am.files.1drv.com 14->46 54 2 other IPs or domains 14->54 80 Multi AV Scanner detection for dropped file 14->80 24 logagent.exe 14->24         started        48 l-0004.dc-msedge.net 13.107.43.13, 443, 49796, 49799 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->48 50 znx9pq.am.files.1drv.com 16->50 56 2 other IPs or domains 16->56 26 DpiScaling.exe 16->26         started        file5 signatures6 process7 dnsIp8 42 boysgoblow.hopto.org 91.193.75.132, 7838 DAVID_CRAIGGG Serbia 18->42 66 Contains functionality to steal Chrome passwords or cookies 18->66 68 Contains functionality to inject code into remote processes 18->68 70 Contains functionality to steal Firefox passwords or cookies 18->70 72 Delayed program exit found 18->72 28 cmd.exe 1 22->28         started        30 conhost.exe 22->30         started        signatures9 process10 process11 32 net.exe 1 28->32         started        34 conhost.exe 28->34         started        process12 36 net1.exe 1 32->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 07:18:11 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yrx4hu6nalv4d3anlwwxjqraiz5rszw7mzclfyi3acui6syutlma._file
Verdict:
malicious
Similar samples:
4ce893ef0bd7abeb769c3c3e57863700f41882befbee770733f0da86e015e7cb
RemcosRAT
892b2599cfec3627557271febe1663f40297c6d30c1f31b83c4547b53473c574
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220329-h4yhzaggan/
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
boysgoblow.hopto.org:7838
Unpacked files
SH256 hash:
b654cd6862adbeb460d7333bccc59c3d6db87ce9929ae08da2732e03ecf0932c
MD5 hash:
aa64d8724ec75b4fb49a7b4ee5cf0a74
SHA1 hash:
ef1787b90d6ec7256b7dc70ff59c5d08c52e9c88
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/d3542ad6-f911-4624-8af3-df9f05f15431/
Parent samples :
c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8
755563f333f32b67a9920bc004ca720c9ad07a7d04d0f29fbbc0e7c634973ef6
SH256 hash:
c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8
MD5 hash:
2beb301193d712fcf58a6ba11948dab5
SHA1 hash:
52197455c8a96ce2cf862862546487668a19ebf6
Link:
https://www.unpac.me/results/d3542ad6-f911-4624-8af3-df9f05f15431/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c46fc3d3cd02/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/c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8

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.

Malspam

RemcosRAT

Executable exe c46fc3d3cd02ebc1ec0d5dad74c220467b1966df6644b2e11b00a88f4b149ad8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259006/

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