MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments 1

SHA256 hash: 217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5
SHA3-384 hash: af105f091695a330ed14bc37ba46f5619ed604a60e415103c94427d18005f9caa867a42a12e23a35e92e2b3125a123dd
SHA1 hash: f59153b3a02513439531c2a2e79000e2167a794c
MD5 hash: 8a9cf57ec88016f4de736ae0fe44bf44
humanhash: ink-michigan-pennsylvania-grey
File name:8a9cf57ec88016f4de736ae0fe44bf44
Download: download sample
Signature RemcosRAT
File size:979'968 bytes
First seen:2023-01-31 02:40:24 UTC
Last seen:2023-01-31 04:27:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:XbDZ8BcZvufkY5C8B87dnhY3Q3ig3lJ7jW2H7M+P3lx3UKHHkqwY9mUBfzLquCz5:XfZ8B0Eutv1/HQKPEjh/UB4zBYTe
Threatray 4'942 similar samples on MalwareBazaar
TLSH T150252386C328CDEADB55027A21B46498DF312F8AF571DB0C25DB6219C8CB3131D676EE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cc9692b83832968e (13 x AgentTesla, 8 x SnakeKeylogger, 4 x Loki)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8a9cf57ec88016f4de736ae0fe44bf44
Verdict:
Malicious activity
Analysis date:
2023-01-31 02:43:04 UTC
Tags:
rat remcos

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

Behaviour
Searching for the window
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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
Query firmware table information (likely to detect VMs)
Sigma detected: Remcos
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: 794853 Sample: fVZrLhNX4t.exe Startdate: 31/01/2023 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 8 other signatures 2->68 10 fVZrLhNX4t.exe 3 2->10         started        14 los.exe 2 2->14         started        16 los.exe 2 2->16         started        18 los.exe 2->18         started        process3 file4 56 C:\Users\user\AppData\...\fVZrLhNX4t.exe.log, CSV 10->56 dropped 74 Contains functionality to steal Chrome passwords or cookies 10->74 76 Contains functionality to steal Firefox passwords or cookies 10->76 78 Injects a PE file into a foreign processes 10->78 80 Delayed program exit found 10->80 20 fVZrLhNX4t.exe 5 4 10->20         started        23 fVZrLhNX4t.exe 10->23         started        25 fVZrLhNX4t.exe 10->25         started        27 los.exe 14->27         started        29 los.exe 16->29         started        31 los.exe 18->31         started        signatures5 process6 file7 50 C:\Users\user\AppData\Roaming\los.exe, PE32 20->50 dropped 52 C:\Users\user\...\los.exe:Zone.Identifier, ASCII 20->52 dropped 54 C:\Users\user\AppData\Local\Temp\wlbj.vbs, data 20->54 dropped 33 wscript.exe 1 20->33         started        process8 process9 35 cmd.exe 1 33->35         started        process10 37 los.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures11 70 Multi AV Scanner detection for dropped file 37->70 72 Machine Learning detection for dropped file 37->72 42 los.exe 2 15 37->42         started        46 svchost.exe 3 37->46         started        48 los.exe 37->48         started        process12 dnsIp13 58 nadiac7806.hopto.org 185.225.73.76, 2397, 49702 MAYAKBG Germany 42->58 60 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 42->60 82 Installs a global keyboard hook 42->82 84 Query firmware table information (likely to detect VMs) 46->84 signatures14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-01-30 13:53:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:mekino-remotehost persistence rat
Behaviour
Modifies registry class
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:
nadiac7806.hopto.org:2397
Unpacked files
SH256 hash:
178cc7474b323b0ae6b3095ff67127726530d9d44be5cb58ba7315ef3a1199ad
MD5 hash:
159af9cf7f94d64c8120c80268965306
SHA1 hash:
fb41ab37af2c83e96d97e9cd066f90e72d4887ea
SH256 hash:
edc24185cd82b9605c5bd537b5dd68b03836e8c817f9e09be2d3d113c65ab2be
MD5 hash:
6d3265914faa10c9aec243de1b627069
SHA1 hash:
d24b9bcf5cd99953aa7c3d68b9ac349e39ebec2d
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
911e174af3aa7a3f9380fabc2cfaa3841ef1f7b0ef261b5cb840e6a07f8ad8e8
MD5 hash:
c06e9680b9ebaa2041b6067b84e99345
SHA1 hash:
0ce527ee65939c6bf2bbed8e3983ae3df35359ce
SH256 hash:
217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5
MD5 hash:
8a9cf57ec88016f4de736ae0fe44bf44
SHA1 hash:
f59153b3a02513439531c2a2e79000e2167a794c
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: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 217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-01-31 02:40:32 UTC

url : hxxp://85.208.136.4/KYE.exe