MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
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SHA256 hash: 9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50
SHA3-384 hash: 6c620fb6ef5e57ceab8965d9953d9966fa036b4bff9f1206bf9282fd9388db351ebd3f7db660504ea9568aeab1d449fb
SHA1 hash: 1f506dc1bec0d495196ef0c60b546886004af863
MD5 hash: 4eacfed1c32ebfae5385028b2db73d74
humanhash: princess-table-twenty-floor
File name:DHL_179030 DOCUMENT RECEIPT .exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:862'720 bytes
First seen:2022-03-28 05:22:46 UTC
Last seen:2022-03-28 05:35:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 050411d35bbff71bc05083b3cfc98bc9 (3 x Formbook, 2 x RemcosRAT, 2 x AveMariaRAT)
ssdeep 24576:K01V/cee2U63yS26THrITr7Ruy/dpjZO/PdCLHOmS:K01Ve2dyqql7WPdCLV
Threatray 7'773 similar samples on MalwareBazaar
TLSH T1BC058E2DF3914476D13316344D5BA3A9AD37BE002E24B94B7BFA2D8C9F7735074292A2
File icon (PE):PE icon
dhash icon 30808a8c8c8a8010 (4 x RemcosRAT, 4 x Formbook, 4 x DBatLoader)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258321/
Detection(s):
SecuriteInfo.com.Scr.MalPbsgen1.13997.13635.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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/11652/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe fareit greyware keylogger replace.exe
Link:
https://www.filescan.io/uploads/624146371f204239483f813d/reports/f16f47a6-cb70-4a42-abc6-3e91550d1c17/overview
Result
Verdict:
MALICIOUS
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/5a3c4811-b104-48cd-9c05-8c4abd213d75
Result
Threat name:
Remcos DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965488
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
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: Parent in Public Folder Suspicious Process
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 dnsIp2 2 Behavior Graph ID: 597965 Sample: DHL_179030 DOCUMENT RECEIPT .exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 40 boysgoblow.hopto.org 2->40 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 10 other signatures 2->66 9 Rayaqko.exe 19 2->9         started        14 DHL_179030 DOCUMENT RECEIPT .exe 1 17 2->14         started        16 Rayaqko.exe 15 2->16         started        signatures3 process4 dnsIp5 46 ywfd4q.am.files.1drv.com 9->46 56 2 other IPs or domains 9->56 34 C:\Users\Public\Rayaqkot.bat, ASCII 9->34 dropped 74 Multi AV Scanner detection for dropped file 9->74 76 Writes to foreign memory regions 9->76 78 Allocates memory in foreign processes 9->78 18 DpiScaling.exe 2 9->18         started        22 cmd.exe 1 9->22         started        48 ywfd4q.am.files.1drv.com 14->48 50 onedrive.live.com 14->50 52 am-files.fe.1drv.com 14->52 36 C:\Users\Public\Rayaqko.exe, PE32 14->36 dropped 38 C:\Users\Public\Rayaqko.exe:Zone.Identifier, ASCII 14->38 dropped 80 Creates a thread in another existing process (thread injection) 14->80 82 Injects a PE file into a foreign processes 14->82 24 logagent.exe 14->24         started        54 ywfd4q.am.files.1drv.com 16->54 58 2 other IPs or domains 16->58 26 logagent.exe 16->26         started        file6 signatures7 process8 dnsIp9 42 boysgoblow.hopto.org 91.193.75.132, 49754, 49757, 49764 DAVID_CRAIGGG Serbia 18->42 44 192.168.2.1 unknown unknown 18->44 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        signatures10 process11 process12 32 conhost.exe 28->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-03-28 05:23:08 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tl7wuivas5golt3jjqywhf5wie2fls6ppth5dzggqtsffeaxnjia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2b0c03ec624b83fbdc97d1b026c8274b13e2aeff02165d4464375518f217ae56
RemcosRAT
5a288a8a3fd0158f2d9e11713cc4eaf951e12e4f196fcea95d74a14fc37d16d1
RemcosRAT
8dffb14c55c2880b40767aadf5615a6652403d59f357b0b77da3e00b875a0e32
RemcosRAT
9f3e8d8d088ecf0b56a9550796d1df4168ba8354c26b8a2692703ff691e47b1e
RemcosRAT
aeb38f72dfa11e848a65cf0814a530e24df08dc818348d9e80978cb330f24af3
RemcosRAT
bd54feaedda33ef8e611cd540e84b8c44d989f2417ddca33472cea3b7892afaf
RemcosRAT
bf7843608d1b1c3fee60bf8fd4a9410047c8ef059ed1e55e018da081670159c5
RemcosRAT
f4a406b6b21db8b516e579643929b753453ebb4604cc799ec69f712fd7ba42d9
RemcosRAT
+ 7'763 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220328-f247macffk/
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:
64b3c3c398bdfd7321a619f95d158cf6a01ba20a1c8643150f954b504e71e63c
MD5 hash:
92445129ae128b7ea222f40e87f90dd5
SHA1 hash:
316ac999a7c5e67ab76c6fe4791400dd9b277d5c
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/b47ce734-f6fd-4ce5-b452-4d3dee81e6c1/
Parent samples :
9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50
a1e72ad944e02ee8ada1e6b4b98217e7eeb8fa0c0c19aeebaf7401e2f35ee54d
SH256 hash:
9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50
MD5 hash:
4eacfed1c32ebfae5385028b2db73d74
SHA1 hash:
1f506dc1bec0d495196ef0c60b546886004af863
Link:
https://www.unpac.me/results/b47ce734-f6fd-4ce5-b452-4d3dee81e6c1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9aff6a22a097/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/9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50

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
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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 9aff6a22a0974ce5cf694c316397b6413455cbcf7ccfd1e4c684e45290176a50

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258321/

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