MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1
SHA3-384 hash: d464aaa9224cf4ed85cec11a53a593fe2b701fbda57adfd977664568a164f2b0279bb926b31250809774c8a35c5d369d
SHA1 hash: c1fff1ed78ed8b314de8cd2fb97857861e2fad13
MD5 hash: 0fd137693e9e873de7ddc100928fe488
humanhash: crazy-green-cat-freddie
File name:f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'336'840 bytes
First seen:2021-08-31 06:46:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:KAHnh+eWsN3skA4RV1Hom2KXFmIadbBV7SOe5T:dh+ZkldoPK1XadtV+XT
Threatray 1'163 similar samples on MalwareBazaar
TLSH T17F557C03739D9026FEAA927F5B55B20156BD7D2400E3872F12983D6DA9F03B11E3DE62
dhash icon e8d4f0ccccf0d4e8 (3 x RemcosRAT, 1 x SnakeKeylogger, 1 x AgentTesla)
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:42:17 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/3cc8cbf9-4f1a-4b2d-b43d-44d2031ab631

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/183996/
Detection(s):
Win.Malware.Nymeria-6988663-0
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Sending a UDP request
Connection attempt to an infection source
Sending a TCP request to an infection source
Creating a file in the %AppData% subdirectories
Setting a global event handler for the keyboard
Query of malicious DNS domain
Enabling autorun by creating a file
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a88c8061-99c8-4f61-82b8-21e5a85c45d9
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842476
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
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 register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sigma detected: Drops script at startup location
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474911 Sample: 6DjwZtVNIZ Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 35 2ffahbg8eydhr96hx3x2lje2ymygt5iq.duckdns.org 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 9 other signatures 2->47 8 6DjwZtVNIZ.exe 4 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 33 C:\Users\user\...\ActiveSyncCsp.exe, PE32 8->33 dropped 57 Contains functionalty to change the wallpaper 8->57 59 Contains functionality to steal Chrome passwords or cookies 8->59 61 Contains functionality to capture and log keystrokes 8->61 63 4 other signatures 8->63 14 6DjwZtVNIZ.exe 2 3 8->14         started        17 6DjwZtVNIZ.exe 8->17         started        19 ActiveSyncCsp.exe 1 12->19         started        signatures6 process7 dnsIp8 37 2ffahbg8eydhr96hx3x2lje2ymygt5iq.duckdns.org 192.169.69.26, 4431, 49706, 49708 WOWUS United States 14->37 39 192.168.2.1 unknown unknown 14->39 31 C:\Users\user\AppData\Roaming\...\RAVBg64.url, MS 19->31 dropped 49 Antivirus detection for dropped file 19->49 51 Binary is likely a compiled AutoIt script file 19->51 53 Contains functionalty to change the wallpaper 19->53 55 3 other signatures 19->55 23 ActiveSyncCsp.exe 19->23         started        25 ActiveSyncCsp.exe 19->25         started        27 ActiveSyncCsp.exe 19->27         started        29 16 other processes 19->29 file9 signatures10 process11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-08-27 10:48:23 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
35 of 46 (76.09%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
1915126c27ba8566c624491bd2613215021cc2b28e5e6f3af69e9e994327f3ac
RemcosRAT
39326cdd0c863e1766ecc3d119ec18fdaa93ef886cfbc887f76784f745df73e4
RemcosRAT
41ce43aa875bf977ec9eb039e5853ade1af522dd0dff4f19282f6c8038ae2dff
RemcosRAT
6d1cfff093998c807b9c5dc3fd122adbea40c5bad0cad4cbe10b43932c28bdd9
RemcosRAT
a9c9824497908a525a168c43d743fea3d1f5dc4c3004e8fe51b77a28ac018829
RemcosRAT
b254d7faa603b46c4c63f6d1f88d65767fb80638a000967fe527b9572b956e35
RemcosRAT
bc87f6ec38d359fdd4ddf35c345e4e82dc1235c3fc3e9fbb38df5ff778448375
RemcosRAT
c1eb88cc7f7b43de1ef71fae416c729483d71fa930314c36dfb03b01b8455d31
RemcosRAT
f60f32ec899bcb92fd50491a8c32f0548afbd4dc02462dfa373d484b4b161a86
RemcosRAT
+ 1'153 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/210831-7kwezavjga/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
UPX packed file
Unpacked files
SH256 hash:
9a1b6544f864071063ff6352267492786443c2f3930009e39adfdd5bf1c906c8
MD5 hash:
ece006a1b6bc5becb4b4b7215c3c89fd
SHA1 hash:
2332f9f2f070d0dfa0a1c92e621c3ed02febcf3d
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b0c52df4-59a2-4513-afe1-19f7b1ab18bc/
Parent samples :
c582b5864a67c2d63f8d3a8faf08b47e94646a96cd81abe507d8d08df13e40c4
ba941d09fd153b7a9c5184333bb789e321679d736db2f1f457e41e65e7d59789
f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1
bc28df3a25377a42fb70eb261ff90a7708834e60b10068cb35904d3da58ce5f6
6d2f1a98b77181cb675c0f3cd3ae6824fdd90e150c46d6fcee0ed16f7cd855df
SH256 hash:
f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1
MD5 hash:
0fd137693e9e873de7ddc100928fe488
SHA1 hash:
c1fff1ed78ed8b314de8cd2fb97857861e2fad13
Link:
https://www.unpac.me/results/b0c52df4-59a2-4513-afe1-19f7b1ab18bc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f59e0f40f585fb82cde0dd687415d778c27b944d936a13a91e4b4894df738be1

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

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/183996/

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