MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
SHA3-384 hash: 679c513cf3b4796dca31b0d644bb7e98633af0c65e6770516de4f93a21c5067def36a8b60dc1dc76c2e1669344214104
SHA1 hash: ca5f4a9bf1f5aee03299662b0cf1289f5a786bde
MD5 hash: 06168af4a9d358eab028fb62b550299f
humanhash: maine-leopard-tennis-stairway
File name:06168af4a9d358eab028fb62b550299f
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'587'712 bytes
First seen:2023-05-25 03:43:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:J6oV9I0oh2pEGxobDWMAVx123MBAKx9nf4L7XFz3zI9oRe:uhEEVbih123M6KDnfirFDzI9o
TLSH T1C7758C0B0F90EE5AE02D41B9D6A198F053F00E06D215DBC36DE53EEA3BF7E55AB02645
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 002b032b2b032b00 (2 x RemcosRAT, 1 x Formbook, 1 x DCRat)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
06168af4a9d358eab028fb62b550299f
Verdict:
Malicious activity
Analysis date:
2023-05-25 03:44:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7c201afe-3bd3-4fcc-b760-79542d6e86c6

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/391366/
Detection(s):
SecuriteInfo.com.Variant.Ser.Lazy.4252.17839.29323.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin obfuscated
Link:
https://www.filescan.io/uploads/646ed9849621774aa98edbba/reports/93f20077-f5fd-4419-a512-3727288a1dfa/overview
Verdict:
Malicious
Labled as:
Ser.Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
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:
Malicious
Link:
https://analyze.intezer.com/analyses/fba3aa2f-a339-415c-a829-49326e167213
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1242123
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875134 Sample: VDLN2SwQLe.exe Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 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 7 VDLN2SwQLe.exe 4 2->7         started        process3 file4 33 C:\Users\user\AppData\...\VDLN2SwQLe.exe.log, ASCII 7->33 dropped 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->61 11 cmd.exe 3 7->11         started        15 cmd.exe 1 7->15         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\esrdytfkljhgf.exe, PE32 11->35 dropped 37 C:\...\esrdytfkljhgf.exe:Zone.Identifier, ASCII 11->37 dropped 63 Uses ping.exe to sleep 11->63 17 esrdytfkljhgf.exe 2 11->17         started        20 conhost.exe 11->20         started        22 PING.EXE 1 11->22         started        24 PING.EXE 1 11->24         started        65 Uses ping.exe to check the status of other devices and networks 15->65 26 reg.exe 1 1 15->26         started        28 PING.EXE 1 15->28         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 43 Antivirus detection for dropped file 17->43 45 Multi AV Scanner detection for dropped file 17->45 47 Machine Learning detection for dropped file 17->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->49 51 Creates an undocumented autostart registry key 26->51 39 127.0.0.1 unknown unknown 28->39 41 192.168.2.1 unknown unknown 28->41 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-05-16 00:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hl4q6a6tyzxtjfq2nkpqpuw7bni7327ti2iaxnopkzgisvvdfjia._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230525-eag3cafh93/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes dropped EXE
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
78df8242f1ca4bdc47a69c9ef128f8ff1a54b5fbe65f91d1fd4a5667ec7aa4bb
MD5 hash:
6fe068c9c0e8991222d166aa2b1a790d
SHA1 hash:
b46b92ba5eb4ef18a2c95b543f8f95fc436620d9
Link:
https://www.unpac.me/results/46f89c02-ec27-4c21-bc68-b3dd09ecb6f2/
SH256 hash:
5c4a4b231edd0aed15c4a6f5dda40be02b41e7ad7c4e9eaa844f1727aa3ace2e
MD5 hash:
a9208d441c5613e44f75ef6fa10d8cfa
SHA1 hash:
3a8912079eb6bbfd1076a1b880347c4f85dabb00
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/46f89c02-ec27-4c21-bc68-b3dd09ecb6f2/
Parent samples :
3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
a92e5d75ad4b92ef75d516f16ac09d3b2c171ed3c75f137290640db1d3d76162
e849e8325298ed088defa4ce4444202ad386dba396a92bde038a39d05e9ffe8e
5fabd022624a6b5604cf1f927d3b450346abf4ae1553728ed6447d25b7784a87
d1bf519ef2239d318f3252c8cdf5d4ee96b37473d58e80098724e0837c00e486
9835cb6480d111d78bcf0d9ca844c6d38de132d2852788fbf59206262262aa19
SH256 hash:
3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50
MD5 hash:
06168af4a9d358eab028fb62b550299f
SHA1 hash:
ca5f4a9bf1f5aee03299662b0cf1289f5a786bde
Link:
https://www.unpac.me/results/46f89c02-ec27-4c21-bc68-b3dd09ecb6f2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3af90f03d3c6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 3af90f03d3c66f34961a6a9f07d2df0b51fdebf346900bb5cf564c8956a32a50

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2640495/
Cape
Cape
https://www.capesandbox.com/analysis/391366/

Comments


Avatar
zbet commented on 2023-05-25 03:43:51 UTC

url : hxxp://23.95.122.242/88/vbc.exe