MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236. 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

SHA256 hash: e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236
SHA3-384 hash: 918ae571d06929c89b4cc3ba1db71175752761396a5b7fd85535bc939995fe4294da254914bdec9a6e33fbcbeea5fa59
SHA1 hash: b835b685e8b63848e57078cabf2e81a28211498c
MD5 hash: c7644837c1033b73e22074ddb65fbdf8
humanhash: king-seventeen-lithium-twelve
File name:c7644837c1033b73e22074ddb65fbdf8
Download: download sample
Signature RemcosRAT
File size:1'735'168 bytes
First seen:2021-12-14 08:58:02 UTC
Last seen:2021-12-14 11:25:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'660 x Formbook, 12'251 x SnakeKeylogger)
ssdeep 49152:o38aNy8NPN/AUCHWYB1+PyZvuDmR3JnHh:o38aNy8Nl/NSB6yZ9R3JnB
Threatray 878 similar samples on MalwareBazaar
TLSH T1BC85237C2B6396CEC42503B9B778903863B16C766A47D294ECDA71EF68237613C33652
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV and PL_ 8822.xlsx
Verdict:
Malicious activity
Analysis date:
2021-12-14 07:29:07 UTC
Tags:
exploit CVE-2017-11882 loader rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Injects a PE file into a foreign processes
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 539440 Sample: BsRcr625KJ Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 12 other signatures 2->62 11 BsRcr625KJ.exe 3 2->11         started        15 winn.exe 2 2->15         started        17 winn.exe 2 2->17         started        process3 file4 48 C:\Users\user\AppData\...\BsRcr625KJ.exe.log, ASCII 11->48 dropped 66 Contains functionality to steal Chrome passwords or cookies 11->66 68 Contains functionality to inject code into remote processes 11->68 70 Contains functionality to steal Firefox passwords or cookies 11->70 72 Delayed program exit found 11->72 19 BsRcr625KJ.exe 4 4 11->19         started        74 Injects a PE file into a foreign processes 15->74 22 winn.exe 15->22         started        24 winn.exe 17->24         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\winn.exe, PE32 19->42 dropped 44 C:\Users\user\...\winn.exe:Zone.Identifier, ASCII 19->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 19->46 dropped 26 wscript.exe 1 19->26         started        process8 process9 28 cmd.exe 1 26->28         started        process10 30 winn.exe 3 28->30         started        34 conhost.exe 28->34         started        file11 50 C:\Users\user\AppData\Local\...\winn.exe.log, ASCII 30->50 dropped 76 Multi AV Scanner detection for dropped file 30->76 78 Machine Learning detection for dropped file 30->78 80 Contains functionality to steal Chrome passwords or cookies 30->80 82 3 other signatures 30->82 36 winn.exe 3 1 30->36         started        signatures12 process13 dnsIp14 52 jamaru1444.myftp.biz 212.193.30.133, 2019, 49752 SPD-NETTR Russian Federation 36->52 54 192.168.2.1 unknown unknown 36->54 64 Installs a global keyboard hook 36->64 40 svchost.exe 36->40         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-14 07:31:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:godsgrace_2022 brand:microsoft persistence phishing rat
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
1618869e2d401b5d68d6ac9ab4cca7a3ac0decf15b79e1d6ecc11459fa864156
MD5 hash:
3fe5504ea602fc5d883b454f91c902fa
SHA1 hash:
89febafc078397840b1ef1ccd565cf9fdd1137a6
SH256 hash:
80a736856f781f230ba1e3dadec37de95857b266bb02285c76e4af19400808fa
MD5 hash:
183f2f374ec86d2f69261d786dc1a6ac
SHA1 hash:
e845051399e6a377fdaa8d1d9a21e00eb1793364
SH256 hash:
e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236
MD5 hash:
c7644837c1033b73e22074ddb65fbdf8
SHA1 hash:
b835b685e8b63848e57078cabf2e81a28211498c
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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 e05a3ed46d18c39464fd1e47bcea0055e56bd2788eeda09cbd8f5d07fea0e236

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-14 08:58:03 UTC

url : hxxp://mikron33.ru/AKJ.exe