MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68
SHA3-384 hash: ea82214b2c7320d74e1e8062b665a1a33b0b5195328c2fe1b8f089099152500d8b6bc440974fe4ad1a4b5598cfc14c5c
SHA1 hash: 87c6eeae7cc161d8129dd598911699acfad84c85
MD5 hash: 8bb252f2652b9a1aa8a0653ed6ee7f4e
humanhash: lima-fifteen-oregon-victor
File name:8bb252f2652b9a1aa8a0653ed6ee7f4e
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'212'416 bytes
First seen:2022-04-28 07:02:42 UTC
Last seen:2022-04-28 07:42:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/fbhv1XYDLId/NIE9xFpu4rqJkO4x59xPoCEzw:l9I/Id/aEpu4rqJkXvPO
TLSH T1A945AE9C3650B2AFC467CA76DD681D60EA70B86B970BD307A05316EC9D0D69BCF106F2
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/267462/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.31931.22696.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/626a3c3a62b1ae4451b7f2fd/reports/13fa0ca8-4448-48a2-aa4b-3534657c13d3/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b459c563-3923-468e-842c-11ce2dc1263d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/984592
Signature
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
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
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 617084 Sample: UEdD6IIvph Startdate: 28/04/2022 Architecture: WINDOWS Score: 100 51 davidwongwarzone.zapto.org 2->51 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for dropped file 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 6 other signatures 2->69 11 UEdD6IIvph.exe 4 2->11         started        15 UDP.exe 3 2->15         started        17 UDP.exe 2->17         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\UEdD6IIvph.exe.log, ASCII 11->49 dropped 73 Contains functionality to steal Chrome passwords or cookies 11->73 75 Contains functionality to inject code into remote processes 11->75 77 Contains functionality to steal Firefox passwords or cookies 11->77 79 Delayed program exit found 11->79 19 UEdD6IIvph.exe 4 4 11->19         started        22 UDP.exe 15->22         started        24 UDP.exe 15->24         started        26 UDP.exe 17->26         started        28 UDP.exe 17->28         started        signatures6 process7 file8 43 C:\Users\user\AppData\Roaming\UDP.exe, PE32 19->43 dropped 45 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 19->45 dropped 47 C:\Users\user\AppData\Local\...\install.vbs, data 19->47 dropped 30 wscript.exe 1 19->30         started        process9 process10 32 cmd.exe 1 30->32         started        process11 34 UDP.exe 4 32->34         started        37 conhost.exe 32->37         started        signatures12 57 Multi AV Scanner detection for dropped file 34->57 59 Machine Learning detection for dropped file 34->59 61 Tries to delay execution (extensive OutputDebugStringW loop) 34->61 39 UDP.exe 34->39         started        process13 dnsIp14 53 davidwongwarzone.zapto.org 31.210.20.25, 2030, 49753, 49755 PLUSSERVER-ASN1DE Netherlands 39->53 55 192.168.2.1 unknown unknown 39->55 71 Installs a global keyboard hook 39->71 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-28 06:08:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oioq32y6db6yx6v3j2harv4osmndc2rjrqdhkma5no2ttzpfp5ua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gee2022 persistence rat
Link:
https://tria.ge/reports/220428-hvb9dafddp/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68
MD5 hash:
8bb252f2652b9a1aa8a0653ed6ee7f4e
SHA1 hash:
87c6eeae7cc161d8129dd598911699acfad84c85
Link:
https://www.unpac.me/results/bd6d43b8-a6a1-4331-a514-280641c6c637/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/721d0deb1e18/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68

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: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 721d0deb1e187d8bfabb4e8e08d78e931a316a298c0675301d6bb539e5e57f68

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2168778/
Cape
Cape
https://www.capesandbox.com/analysis/267462/

Comments


Avatar
zbet commented on 2022-04-28 07:02:48 UTC

url : hxxp://2.58.149.219/AXD.exe