MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0a92a6da42fcee96230ff476e66ff5f7c89c2bd958497e3effe44d2278d2a54. 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: 12


Intelligence 12 IOCs 1 YARA 5 File information Comments

SHA256 hash: c0a92a6da42fcee96230ff476e66ff5f7c89c2bd958497e3effe44d2278d2a54
SHA3-384 hash: 5834b107f16e21dc76f8f2180e5cc626c962a8a0df70f1aaf4173a12041655fb644ad18e2e6b6a40ba2f76519ea4241d
SHA1 hash: 5b2b6a16656b4555b9c56bde65bd1db7449a6b64
MD5 hash: 0cdbf556d7a79cad46bb1764340f3059
humanhash: mango-fanta-violet-georgia
File name:Purchase Order.exe
Download: download sample
Signature RemcosRAT
File size:1'227'776 bytes
First seen:2021-08-02 02:55:22 UTC
Last seen:2021-08-02 03:47:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:clxWH76DOWofx8Dgofx8Dg3NM0u9myIcKcYR9oTxiJ1rpstZhSL:bH76258Dgo58Dg3qhNgR9UZI
Threatray 1'909 similar samples on MalwareBazaar
TLSH T1B645CF9A3845DABBC61C17F55515D4C042A99811C26BFBFFBEA222B233E0A394F14DF1
dhash icon b271e8e4d4ccf070 (22 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
45.90.222.204:8976

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.90.222.204:8976 https://threatfox.abuse.ch/ioc/165393/

Intelligence


File Origin
# of uploads :
2
# of downloads :
879
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-02 02:56:27 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
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
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
Initial sample is a PE file and has a suspicious name
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 dropped file
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 457620 Sample: Purchase Order.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 12 other signatures 2->64 9 Purchase Order.exe 3 2->9         started        13 remcos.exe 2 2->13         started        15 remcos.exe 2 2->15         started        process3 file4 48 C:\Users\user\...\Purchase Order.exe.log, ASCII 9->48 dropped 68 Injects a PE file into a foreign processes 9->68 17 Purchase Order.exe 1 5 9->17         started        20 remcos.exe 13->20         started        22 remcos.exe 13->22         started        24 remcos.exe 15->24         started        signatures5 process6 file7 44 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 17->44 dropped 46 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 17->46 dropped 26 cmd.exe 1 17->26         started        process8 signatures9 70 Uses ping.exe to sleep 26->70 72 Uses ping.exe to check the status of other devices and networks 26->72 29 remcos.exe 3 26->29         started        34 PING.EXE 1 26->34         started        36 conhost.exe 26->36         started        process10 dnsIp11 54 192.168.2.1 unknown unknown 29->54 50 C:\Users\user\AppData\...\remcos.exe.log, ASCII 29->50 dropped 74 Multi AV Scanner detection for dropped file 29->74 76 Machine Learning detection for dropped file 29->76 78 Contains functionality to steal Chrome passwords or cookies 29->78 80 3 other signatures 29->80 38 remcos.exe 1 3 29->38         started        42 remcos.exe 29->42         started        56 127.0.0.1 unknown unknown 34->56 file12 signatures13 process14 dnsIp15 52 swrypaiii.ydns.eu 45.90.222.204, 49723, 8976 MAJESTIC-HOSTING-01US Germany 38->52 66 Installs a global keyboard hook 38->66 signatures16
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2021-08-02 02:56:08 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat suricata
Behaviour
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
suricata: ET MALWARE Remcos RAT Checkin 23
Malware Config
C2 Extraction:
swrypaiii.ydns.eu:8976
Unpacked files
SH256 hash:
00bedd5eff85be712dc58625946372b3689804916e06fcbebec8631b3916bc8b
MD5 hash:
f7f83eb87262d3d8672745bd8e1c3848
SHA1 hash:
a5a9cb0ea981b48fa3a3ec6ed6543d7ae1e0b386
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
04b11191d6363e887ff197d8e33a00c990a074b6e26c950eea78e081bf4f26b7
MD5 hash:
fea4102afb487ab2155a99363a24fc88
SHA1 hash:
f62aa5e2b77e5ae78258481c5af0ca2e55e59081
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
SH256 hash:
c0a92a6da42fcee96230ff476e66ff5f7c89c2bd958497e3effe44d2278d2a54
MD5 hash:
0cdbf556d7a79cad46bb1764340f3059
SHA1 hash:
5b2b6a16656b4555b9c56bde65bd1db7449a6b64
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:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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.

Comments