MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb
SHA3-384 hash: 88ec2dd4c54defd817c53a2add6a3c16fdcd9bb8aaa2df84e01a1a678620a22d76bb315560b5581975d19da71cb0a13f
SHA1 hash: 47c296c0a20db953670c89ea2a17b0df4631824e
MD5 hash: 736ad76a4c6aeb495cb44deb3afa0f2f
humanhash: seven-oven-ceiling-alabama
File name:736ad76a4c6aeb495cb44deb3afa0f2f.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:796'672 bytes
First seen:2021-10-19 14:27:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:m2ppjeANNiGTI98i5y7VVzcAhJC0X0wm:RnjeZG09h5oZD3X0wm
Threatray 781 similar samples on MalwareBazaar
TLSH T1B70502053450DD6FC85A8E3985781C234B226827834AF2436DC73DDF7E9E7868A1E76B
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/198577/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.17696.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/616ed5f7a9d585e6d52e0a11/reports/59b5c777-9760-4cf3-b847-682b90c872dc/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/ff5d96f6-8efb-453c-9983-2c213525c172
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/873209
Signature
Adds a directory exclusion to Windows Defender
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 505637 Sample: CtFJaE0x2m.exe Startdate: 19/10/2021 Architecture: WINDOWS Score: 100 70 grace.adds-only.xyz 2->70 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 10 other signatures 2->80 12 CtFJaE0x2m.exe 7 2->12         started        16 WeChatsetup.exe 2->16         started        18 WeChatsetup.exe 2->18         started        signatures3 process4 file5 62 C:\Users\user\AppData\Roaming\dTYBVuLiT.exe, PE32 12->62 dropped 64 C:\Users\...\dTYBVuLiT.exe:Zone.Identifier, ASCII 12->64 dropped 66 C:\Users\user\AppData\Local\...\tmp7A75.tmp, XML 12->66 dropped 68 C:\Users\user\AppData\...\CtFJaE0x2m.exe.log, ASCII 12->68 dropped 90 Contains functionality to inject code into remote processes 12->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 12->92 94 Adds a directory exclusion to Windows Defender 12->94 96 2 other signatures 12->96 20 CtFJaE0x2m.exe 4 5 12->20         started        23 powershell.exe 22 12->23         started        25 schtasks.exe 1 12->25         started        27 powershell.exe 16->27         started        signatures6 process7 file8 56 C:\Users\user\AppData\...\WeChatsetup.exe, PE32 20->56 dropped 58 C:\Users\...\WeChatsetup.exe:Zone.Identifier, ASCII 20->58 dropped 60 C:\Users\user\AppData\Local\...\install.vbs, data 20->60 dropped 29 wscript.exe 1 20->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        process9 process10 37 cmd.exe 1 29->37         started        process11 39 WeChatsetup.exe 37->39         started        42 conhost.exe 37->42         started        signatures12 82 Multi AV Scanner detection for dropped file 39->82 84 Performs DNS queries to domains with low reputation 39->84 86 Machine Learning detection for dropped file 39->86 88 Adds a directory exclusion to Windows Defender 39->88 44 WeChatsetup.exe 39->44         started        48 powershell.exe 39->48         started        50 schtasks.exe 39->50         started        process13 dnsIp14 72 grace.adds-only.xyz 185.19.85.155, 1619, 49760, 49762 DATAWIRE-ASCH Switzerland 44->72 98 Installs a global keyboard hook 44->98 52 conhost.exe 48->52         started        54 conhost.exe 50->54         started        signatures15 process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-19 14:28:07 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nmflom7dkqykbb576ryyzn2enpsd3scijkdgtweh64l727hm4dvq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0bb25dccd5ee69b35f2c03c04b50ec23573929d193739becb1c623d32db64e4a
RemcosRAT
1c49b4e3b554aeac842b8dc4daf0c5cf24015f96b68e935ddb4adb168b35a696
RemcosRAT
2173a81011be8c709740a74a65674ac9d84510cb93fdc94134d883c4f61642f6
RemcosRAT
4d4ca33cc268361f05552b84f5216a158df5cf89b74ef53e2540c1703594dc79
RemcosRAT
5e1473cb44990bf7a1d8da8ad410642430bc6c5663859bc4e4c738e22b3cc71e
RemcosRAT
8d99a854713aa68aafd4d6bc5d3b37677e1f1bdd65b0fc8ac459100541ee0415
RemcosRAT
a7f4245d63e1dd21c5af3e0ddf682ac517eda484bf6650f3e0d5d856f4cc68fa
RemcosRAT
cd43f136f1d3221cd64fc792a37744dfa9656a9ea5889e52929275c05eb4e33b
RemcosRAT
f60b6dfcaf466a9cf6b7831fcd74abc70efc16aec11d3b38fdbc7562003ba61b
RemcosRAT
+ 771 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:wechatsetup persistence rat
Link:
https://tria.ge/reports/211019-rs1zdsghcq/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
grace.adds-only.xyz:1619
Unpacked files
SH256 hash:
7b4ba24781e21b310e2749bc2f7a80b9670a4198a54d26e42079a6a1c1be6ae7
MD5 hash:
7b77d210bf6b00fd8ee8187198852052
SHA1 hash:
7f78d6294a269349fc9a49ad3c8ccb3c3d2665b4
Link:
https://www.unpac.me/results/fdeb4fd5-6554-4562-a067-e2675f8b74ab/
SH256 hash:
b1b4d33349cd88a11a889e26517b7ee06bd464e9be11fc05bab42fa749745bbd
MD5 hash:
9f9b35eb57c4ad410218a72bac6a266d
SHA1 hash:
4f8f6e69b2b52e9c25fa44cae95c82a63d94e612
Link:
https://www.unpac.me/results/fdeb4fd5-6554-4562-a067-e2675f8b74ab/
SH256 hash:
427d7f06c4f1e2e410c0e9daae620114e6266cf97d83f1b2bec1569664e2cee8
MD5 hash:
d3a5d61935ae1cfdb9360c1ed61fd582
SHA1 hash:
0a402d18f62006d8ca1504375cb6c4ac2771b53c
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/fdeb4fd5-6554-4562-a067-e2675f8b74ab/
SH256 hash:
6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb
MD5 hash:
736ad76a4c6aeb495cb44deb3afa0f2f
SHA1 hash:
47c296c0a20db953670c89ea2a17b0df4631824e
Link:
https://www.unpac.me/results/fdeb4fd5-6554-4562-a067-e2675f8b74ab/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6b0ab733e354/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/6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe 6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1690810/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/198577/

Comments