MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e
SHA3-384 hash: 94e3edb82f15f9edfd93e87017b07a4a733c934d7e863621a080d732e73c3a8000eb9e0a6c0250a8da5d7b704ecd9f88
SHA1 hash: ae4dc791daf597f1123fbc700f896cdfa9823041
MD5 hash: 65fd959ae12d80950c6ab708fc5329d1
humanhash: glucose-december-kentucky-hydrogen
File name:65fd959ae12d80950c6ab708fc5329d1
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:833'536 bytes
First seen:2022-08-09 17:35:56 UTC
Last seen:2022-08-09 19:47:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:flWt5k5t7ZQg049xEo+gNRM4RA9sC2G1Vvs6HUHsKx4zDN5Xy:8ot7Kg049dhR+sC2G7d0MKx43NA
Threatray 1'739 similar samples on MalwareBazaar
TLSH T1010523006360CB38E51E87BE24A041A412BCD74672E9C3592ADA6CFF1CEF77746515BE
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NOTICE - INVITATION FOR APPLICATIONS TO INVEST IN FACILITIES (3).xlsx
Verdict:
Malicious activity
Analysis date:
2022-08-09 12:05:33 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/645a369d-e700-433a-b805-12040718fb83

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297448/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.38260.22878.7848.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f29b13080024921b6300bc/reports/8b2dd754-4011-4993-abc4-ba806a853e9f/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b60618d5-7fe6-44b9-9e90-6ab9d3326439
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1048741
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 signatures2 2 Behavior Graph ID: 681238 Sample: eJL0IF3qfx Startdate: 09/08/2022 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 8 other signatures 2->59 10 eJL0IF3qfx.exe 3 2->10         started        13 doc.exe 2 2->13         started        15 doc.exe 2 2->15         started        process3 file4 49 C:\Users\user\AppData\...\eJL0IF3qfx.exe.log, ASCII 10->49 dropped 17 eJL0IF3qfx.exe 4 4 10->17         started        20 doc.exe 13->20         started        22 doc.exe 13->22         started        24 doc.exe 15->24         started        process5 file6 43 C:\Users\user\AppData\Roaming\doc.exe, PE32 17->43 dropped 45 C:\Users\user\...\doc.exe:Zone.Identifier, ASCII 17->45 dropped 47 C:\Users\user\AppData\Local\...\install.vbs, data 17->47 dropped 26 wscript.exe 1 17->26         started        process7 process8 28 cmd.exe 1 26->28         started        process9 30 doc.exe 3 28->30         started        33 conhost.exe 28->33         started        signatures10 63 Multi AV Scanner detection for dropped file 30->63 65 Machine Learning detection for dropped file 30->65 35 doc.exe 2 1 30->35         started        39 doc.exe 30->39         started        41 doc.exe 30->41         started        process11 dnsIp12 51 gdyhjjdhbvxgsfe.gotdns.ch 141.98.6.11, 2718, 49738 CMCSUS Germany 35->51 61 Installs a global keyboard hook 35->61 signatures13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-09 17:36:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rj4ry4pxn5jqc6oi5fl7lnrdl62xhkpogwq5vp6kg2hgf553ukpa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21bd242ed07a92a9faef420a0b8bf377e83aaa9413ba4725da7f5c318182f7ec
RemcosRAT
21d5d5d31a4a17556ceb223272f3e908a352485dcd90dc203c99826638e7cbd9
RemcosRAT
455043f1dd7882239a50cca55df4fbdf5cc5e04e305c7052346fc38c2aad015e
RemcosRAT
45c2a90fff377e89af12d170f42c055f26b3165f17bca422ef34edc479debcee
RemcosRAT
6213836adf0a16fd2de0edc90b326276d193728eea054dbb9127fe1ba8caa86e
RemcosRAT
93c44acd51b11807883d39e0a7ca13a178f0c69e9b7f20e90245c5973c937db0
RemcosRAT
b7aacc2b12e6e8f89a954e2623b6a53137257e4039ecc45311998caf6cd41cf0
RemcosRAT
b8fc4052fc07da469c7f33028796dceb6fb8daf1fe95d3c3c655217a8ecfdd64
RemcosRAT
e3ad614d9a134b20b9efe02f5029d93c65ddc13322858d87c6ca3751b857413f
RemcosRAT
+ 1'729 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:awele persistence rat
Link:
https://tria.ge/reports/220809-v6kfcafdb7/
Behaviour
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
92fc8071021b5861cd8ab121a69b5738f395cd604d0701a2550c88a4dc774d9f
MD5 hash:
74d74d8ab4d7af70f3dc09994d9afd98
SHA1 hash:
059ea823649648abcc0bc08e0958dd3344c57a0f
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/dbd88418-2b1f-4a1f-8c65-36785508cdf2/
Parent samples :
17f5cb1dba8dd540465e9135d6541f2a7f871caee59c8afc63cf17e820c0f22f
58a7f521806093c7072a47070aeef1f69de6163b18eb9ada9541acb15957350b
c19e7f8c690e36a1d98ec296034b7e9cb6460cc65d9064a6fe184c993089949c
f8c85ac89539665cb4eaf51023871b56d402c368d3c9b529fa82366a7371287c
e3ad614d9a134b20b9efe02f5029d93c65ddc13322858d87c6ca3751b857413f
93c44acd51b11807883d39e0a7ca13a178f0c69e9b7f20e90245c5973c937db0
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e
SH256 hash:
6fa41409c1de2357b2abbd76c15343e8c0a447fde94596db4e0167ef36ce7bef
MD5 hash:
0159cba0c53eeed8bd8023ea676d062c
SHA1 hash:
314e7222b0c203e7f046716e518362b732d7e826
Link:
https://www.unpac.me/results/dbd88418-2b1f-4a1f-8c65-36785508cdf2/
SH256 hash:
7bcead871974aba8e859dc1cc1498d4003c0f67f6bbc6b8f6b520a5737b30a94
MD5 hash:
e04b070197f51ef6eee2d6f934286de8
SHA1 hash:
5b66bf22d977be74a6a68cbbc6a6af8f00e1682a
Link:
https://www.unpac.me/results/dbd88418-2b1f-4a1f-8c65-36785508cdf2/
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
Link:
https://www.unpac.me/results/dbd88418-2b1f-4a1f-8c65-36785508cdf2/
SH256 hash:
8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e
MD5 hash:
65fd959ae12d80950c6ab708fc5329d1
SHA1 hash:
ae4dc791daf597f1123fbc700f896cdfa9823041
Link:
https://www.unpac.me/results/dbd88418-2b1f-4a1f-8c65-36785508cdf2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8a791c71f76f/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/8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

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 8a791c71f76f530179c8e957f5b6235fb573a9ee35a1dabfca368e62f7bba29e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2270861/
  
URLhaus
https://urlhaus.abuse.ch/url/2270865/
Cape
Cape
https://www.capesandbox.com/analysis/297448/

Comments


Avatar
zbet commented on 2022-08-09 17:36:00 UTC

url : hxxp://208.67.104.129/90/vbc.exe