MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51
SHA3-384 hash: 3ae968e8b6f22d46f4f0cc5210036609b2dac845e297f9689760f1665121bc54d960773660b21ebebee225e8ae7dd36e
SHA1 hash: fae3258bdce3762b818d13ea65d6ccd6ed11ed10
MD5 hash: 1ef5004065db0d3fe9ec30639479942c
humanhash: nitrogen-fanta-diet-burger
File name:a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:934'624 bytes
First seen:2021-03-23 08:08:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 82e197e1404146c794e828a0a2df0e59 (3 x RemcosRAT)
ssdeep 12288:Ken+VGUlKPgkcXwpPRGy300T6HGmiIl+W6qWx/cEj96KomSH0BYV3ssOVROl:wVGUlKPgkc0kWT2Not+EEKcUUssNl
Threatray 719 similar samples on MalwareBazaar
TLSH FE159E22B682CC37C0332A754D6BA7A1653EFF502D21494B7BA80E5DAF75AC07D17293
Reporter JAMESWT_WT
Tags:RemcosRAT TORG-ALYANS LLC

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51
Verdict:
No threats detected
Analysis date:
2021-03-23 09:20:59 UTC
Tags:
installer
Link:
https://app.any.run/tasks/ef6ae69b-df36-48bc-9135-99240049baf3

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/126463/
Detection(s):
PUA.Win.Packer.BorlandCpp-9
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/649519
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
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
Detected Remcos RAT
Drops executable to a common third party application directory
Found malware configuration
Hijacks the control flow in another process
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373718 Sample: zN7xpkXYKF Startdate: 23/03/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 4 other signatures 2->34 7 zN7xpkXYKF.exe 2->7         started        process3 signatures4 36 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 7->36 38 Hijacks the control flow in another process 7->38 40 Writes to foreign memory regions 7->40 42 Allocates memory in foreign processes 7->42 10 notepad.exe 7->10         started        process5 signatures6 44 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 10->44 46 Hijacks the control flow in another process 10->46 48 Writes to foreign memory regions 10->48 50 2 other signatures 10->50 13 cmd.exe 10->13         started        process7 dnsIp8 26 185.158.115.38, 49715, 49718, 49719 IPSERVER-RU-NETFiordRU Russian Federation 13->26 18 C:\Users\user\AppData\Local\...\netapi32.dll, PE32 13->18 dropped 20 C:\Users\user\AppData\...\BDSLauncher.exe, PE32 13->20 dropped 22 C:\Users\user\AppData\Roaming\...\runonce.exe, PE32 13->22 dropped 24 C:\Users\user\AppData\...\libssp-0.dll, PE32 13->24 dropped 52 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->52 54 Contains functionality to steal Chrome passwords or cookies 13->54 56 Contains functionality to capture and log keystrokes 13->56 58 4 other signatures 13->58 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51/
Threat name:
Win32.Downloader.Penguish
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 03:47:18 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
13 of 28 (46.43%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
015899ba7ca42d54316d63f5ed222f2f6c0ab3c784b855c646df4c89b05c71c8
RemcosRAT
04c950e9fb1cf6ff2de10fd17f04191f8e938189766482ef856efa2581df8dbb
RemcosRAT
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
RemcosRAT
298b7204317915aa463fecd43ee99abbb9020e993dc0ffdcc5e382d0f590a7b8
RemcosRAT
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
RemcosRAT
91e13d173fb96f025e17161b61686fa06272a048eececeb7d4e95ecdcb3de4b8
RemcosRAT
b782581b1ca3da09fdf3ecbb173ee3ca1f313f5f325f407df976601cad8ce839
RemcosRAT
eb7b058c625b1306c70d8a76546af054bd769347ca067f5db5e1b0b1c7306298
RemcosRAT
ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
RemcosRAT
ef6ac1293cdfda22c8d940f96c5433f406a4c3666e6941e4f094a8cf50d04ac1
RemcosRAT
+ 709 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210323-qq8n9hfra6/
Unpacked files
SH256 hash:
c7fbdc61eb62c05e40295617e2db75877672931f751a770d2629e6eab6075f2c
MD5 hash:
abf6c724b20844d5b0073988a58faf1e
SHA1 hash:
7a8269d5b2ae623f8148ce9863f48f7e12ce036b
Link:
https://www.unpac.me/results/99f649ad-5a77-4327-9855-b5df85e77974/
SH256 hash:
a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51
MD5 hash:
1ef5004065db0d3fe9ec30639479942c
SHA1 hash:
fae3258bdce3762b818d13ea65d6ccd6ed11ed10
Link:
https://www.unpac.me/results/99f649ad-5a77-4327-9855-b5df85e77974/
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/a3fedff31a0349bc1b17791e2382179f465c870b3abd6b49040b3091be722f51

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:crime_win32_parallax_payload_1
Create hunting rule
Author:@VK_Intel
Description:Detects Parallax Injected Payload v1.01
Reference:https://twitter.com/VK_Intel/status/1227976106227224578
Rule name:crime_win32_rat_parralax_shell_bin
Create hunting rule
Author:@VK_Intel
Description:Detects Parallax injected code
Reference:https://twitter.com/VK_Intel/status/1257714191902937088
Rule name:MAL_crime_win32_rat_parallax_shell_bin
Create hunting rule
Author:@VK_Intel
Description:Detects Parallax injected code
Reference:https://twitter.com/VK_Intel/status/1257714191902937088
Rule name:unixredflags
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for red flags

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/126463/

Comments