MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df
SHA3-384 hash: 46a77edba2ab9a7f5d1f84167d64328560eff7acc9c0deab43d5489f3ba45d0504656ea0ef9430d6ccd4bd597336eb41
SHA1 hash: bd3a44679ec84e112e2063691c4dfc861f2355d0
MD5 hash: 72c9a6a7315ca2902f6ab93f4c158a95
humanhash: eleven-california-kentucky-mississippi
File name:72c9a6a7315ca2902f6ab93f4c158a95.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:537'088 bytes
First seen:2021-07-03 14:18:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:KWhLjg05dPL4GgPku9KR0rzbLa/dwvIAnYT8O65ouWU:9NjhBL4kuKCUdQRYX6Y
TLSH 85B4F12836E997E5F1BB5BB612B83600D379F612A61FE71D1CC412DA1922F80CDC2B57
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
72c9a6a7315ca2902f6ab93f4c158a95.exe
Verdict:
Malicious activity
Analysis date:
2021-07-03 14:19:40 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/945e64fe-bb89-4b95-8d10-82df44ee4fe8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df4e1e30-7d7f-4169-92b1-fa7cbeb7a415
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811436
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 443847 Sample: Sx8efEpwai.exe Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 7 other signatures 2->82 10 Sx8efEpwai.exe 6 2->10         started        14 conhosts.exe 4 2->14         started        16 conhosts.exe 4 2->16         started        process3 file4 62 C:\Users\user\AppData\Local\...\tmp83E1.tmp, XML 10->62 dropped 64 C:\Users\user\AppData\...\Sx8efEpwai.exe.log, ASCII 10->64 dropped 66 C:\Users\user\AppData\...\mpSqBpptrPfF.exe, PE32 10->66 dropped 88 Contains functionality to detect virtual machines (IN, VMware) 10->88 90 Contains functionality to steal Chrome passwords or cookies 10->90 92 Contains functionality to capture and log keystrokes 10->92 96 3 other signatures 10->96 18 Sx8efEpwai.exe 1 5 10->18         started        21 schtasks.exe 1 10->21         started        23 Sx8efEpwai.exe 10->23         started        94 Injects a PE file into a foreign processes 14->94 25 schtasks.exe 14->25         started        27 conhosts.exe 14->27         started        29 schtasks.exe 16->29         started        31 conhosts.exe 16->31         started        signatures5 process6 file7 58 C:\Users\user\AppData\...\conhosts.exe, PE32 18->58 dropped 60 C:\Users\...\conhosts.exe:Zone.Identifier, ASCII 18->60 dropped 33 cmd.exe 1 18->33         started        36 conhost.exe 21->36         started        38 conhost.exe 25->38         started        40 conhost.exe 29->40         started        process8 signatures9 72 Uses ping.exe to sleep 33->72 74 Uses ping.exe to check the status of other devices and networks 33->74 42 conhosts.exe 5 33->42         started        45 PING.EXE 1 33->45         started        48 conhost.exe 33->48         started        process10 dnsIp11 86 Injects a PE file into a foreign processes 42->86 50 conhosts.exe 42->50         started        54 schtasks.exe 42->54         started        70 127.0.0.1 unknown unknown 45->70 signatures12 process13 dnsIp14 68 accessgranted.ydns.eu 37.0.11.230, 2404, 49752 WKD-ASIE Netherlands 50->68 84 Installs a global keyboard hook 50->84 56 conhost.exe 54->56         started        signatures15 process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-03 14:19:10 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5kkbyjbag6h6hxs6frulehojxq4m6gmiiv4wotinhqxnterofdpq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/210703-vz1lndynp6/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
accessgranted.ydns.eu:2404
Unpacked files
SH256 hash:
1308063e124b6e34906d41e0d97d6883b65ad37d70a4f004172fc4fa5e90082b
MD5 hash:
10bc777c6cf8fd46bdc7b7d5b5ed2230
SHA1 hash:
e0a366d8d78b3b1dfd837707b2993240589c205e
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/4ae65b8e-19ab-4fe0-810d-204c6a812cb7/
SH256 hash:
e0c5a16b0810161e5b0a5af2384b91fca27277d0e9ee0fb0202048bbd709155b
MD5 hash:
6922c3730d9d8cfe72c8e0d3aea29efd
SHA1 hash:
a03306974601b0acce129d87ba6e065e0ca973fe
Link:
https://www.unpac.me/results/4ae65b8e-19ab-4fe0-810d-204c6a812cb7/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/4ae65b8e-19ab-4fe0-810d-204c6a812cb7/
SH256 hash:
ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df
MD5 hash:
72c9a6a7315ca2902f6ab93f4c158a95
SHA1 hash:
bd3a44679ec84e112e2063691c4dfc861f2355d0
Link:
https://www.unpac.me/results/4ae65b8e-19ab-4fe0-810d-204c6a812cb7/
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/ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df

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
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 ea941c2420378fe3de5e2c68b21dc9bc38cf19884579674d0d3c2ed9922e28df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1398042/
  
Delivery method
Distributed via web download

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