MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f64dc73847516de20d77365ca59b1877bd56e899cca6d2e56338ff462de2ec1. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f64dc73847516de20d77365ca59b1877bd56e899cca6d2e56338ff462de2ec1
SHA3-384 hash: 485a0d8325125caefe380716d3a1c5f2df2037e439850aabc47dfa07509e08b0cdda843c514689ab7b8238af46742caf
SHA1 hash: cffaf5e82f3440a244bcb27668405d15f14ecf58
MD5 hash: 826f89868d5291a7aacc86ea2b936221
humanhash: rugby-fillet-helium-fourteen
File name:826f89868d5291a7aacc86ea2b936221
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:796'672 bytes
First seen:2022-04-06 16:04:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'475 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Az2eXo6+CcuKrRH73957DjEIiCK/SCwjuKqiSb2gQ8869KCWY/XB65ug2:+Xt9cfZ5ziC0Cvqhb2/qKCTZ65
Threatray 1'335 similar samples on MalwareBazaar
TLSH T1C90522257BD44B56E4BD1FF60A638040537B7B76443AE7CD1C8552CA1833F81D2A2B6B
File icon (PE):PE icon
dhash icon 1e9a828c92b28280 (3 x RemcosRAT, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/261404/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624dba3940ce5db9f41cc872/reports/c0641844-fa9a-4961-84f5-a20e9ccc2a1d/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/c5d5d177-5382-48c7-9c03-7ee75408827b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971656
Signature
.NET source code contains potential unpacker
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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: 604146 Sample: ew8A41INTW Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 6 other signatures 2->54 10 ew8A41INTW.exe 3 2->10         started        14 UDP.exe 2 2->14         started        16 UDP.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\ew8A41INTW.exe.log, ASCII 10->44 dropped 58 Contains functionality to steal Chrome passwords or cookies 10->58 60 Contains functionality to inject code into remote processes 10->60 62 Contains functionality to steal Firefox passwords or cookies 10->62 64 Delayed program exit found 10->64 18 ew8A41INTW.exe 4 4 10->18         started        66 Injects a PE file into a foreign processes 14->66 21 UDP.exe 14->21         started        23 UDP.exe 16->23         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\UDP.exe, PE32 18->38 dropped 40 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 18->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 18->42 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 UDP.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 68 Multi AV Scanner detection for dropped file 29->68 70 Contains functionality to steal Chrome passwords or cookies 29->70 72 Contains functionality to steal Firefox passwords or cookies 29->72 74 2 other signatures 29->74 34 UDP.exe 2 1 29->34         started        process12 dnsIp13 46 davidwongwarzone.zapto.org 31.210.20.25, 2030, 49755 PLUSSERVER-ASN1DE Netherlands 34->46 56 Installs a global keyboard hook 34->56 signatures14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f64dc73847516de20d77365ca59b1877bd56e899cca6d2e56338ff462de2ec1/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-04-06 16:05:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
17 of 41 (41.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5sny44eouln4igxons4uwnrq555k3ujttfg2lswgoh7iyw6f3aq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d6b7a5513ed0cb451701bb494fb87382061195c115ede553f062b4fc0fd4f97
RemcosRAT
4ce893ef0bd7abeb769c3c3e57863700f41882befbee770733f0da86e015e7cb
RemcosRAT
724b6b5e627086ff22b9f2d2c045faa880dea62f513a694058b452aa1b6cad6f
RemcosRAT
8342c94ddfd4cca232e9d1cd5faed48fdce02a694b062606b938401b502a0c30
RemcosRAT
a4b821d0cadc92c344c8b60f5290a5e5520fd1fb3813b88c529c48d285b72c63
RemcosRAT
d98541f0e7659a620cfd349405facb991e7e7973e90f7bef7f7882315023e96f
RemcosRAT
e12fdcfde01952915157328b7afec8830f172814db0ce8d8658d427088b728d0
RemcosRAT
+ 1'325 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:gee2022 persistence rat
Link:
https://tria.ge/reports/220406-tjg62abfcp/
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:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
9732e3fb9f26312ebfb4417cdf6928f804659cd86e7ef99097a1773cebb61b50
MD5 hash:
9f60ef9d1d4f82267375ea4fbd4be908
SHA1 hash:
0b6900b449bc448ab784de7bcbb32612977700b0
Link:
https://www.unpac.me/results/26e46685-3a35-43a4-b941-190eb34080f9/
SH256 hash:
a48a70ccf746d65f74999bc24a773266557ad26f8a3bfb1eff565bc9aabb8a1e
MD5 hash:
4827b6070a65fd6d4de05836994d7c66
SHA1 hash:
fd69b7ec3445691a2a8ba409d44c0a7968c37802
Link:
https://www.unpac.me/results/26e46685-3a35-43a4-b941-190eb34080f9/
SH256 hash:
1410a7e8e075a2d019de7e093cb24db9b640369b7f6da9d139c0264cee9ec8ee
MD5 hash:
52802151f5e32173de5235644d7b621a
SHA1 hash:
c1b6f7dc9e49e669252fd739384d6481f7c706f2
Link:
https://www.unpac.me/results/26e46685-3a35-43a4-b941-190eb34080f9/
SH256 hash:
55ab1ac0fb22a26c62aceb73ffd8230b2fee8d7a4776c5d2dde4d408427395ec
MD5 hash:
54cd9f0eaee521924c96fc9959f37300
SHA1 hash:
538ac3869fa4411783c2094cfb80650c4afa5521
Link:
https://www.unpac.me/results/26e46685-3a35-43a4-b941-190eb34080f9/
SH256 hash:
4f64dc73847516de20d77365ca59b1877bd56e899cca6d2e56338ff462de2ec1
MD5 hash:
826f89868d5291a7aacc86ea2b936221
SHA1 hash:
cffaf5e82f3440a244bcb27668405d15f14ecf58
Link:
https://www.unpac.me/results/26e46685-3a35-43a4-b941-190eb34080f9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4f64dc738475/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 4f64dc73847516de20d77365ca59b1877bd56e899cca6d2e56338ff462de2ec1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2134284/
Cape
Cape
https://www.capesandbox.com/analysis/261404/

Comments


Avatar
zbet commented on 2022-04-06 16:04:25 UTC

url : hxxp://89.223.65.46/AQC.exe