MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 642e7c5b6904fe50c539440104b792feece1754c754b69e4d369ad494222cb78. 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
QuasarRAT
Vendor detections: 5
| SHA256 hash: | 642e7c5b6904fe50c539440104b792feece1754c754b69e4d369ad494222cb78 |
|---|---|
| SHA3-384 hash: | 95dc984e19b07bd83ce368f3668ba5c561877df934ce549b9b88b60c48d6e300df9844a011140e6a0caf28bb47a23f49 |
| SHA1 hash: | ffcb7242f989deb6a30542cfbd088c57df3a743b |
| MD5 hash: | fb59689cd3a1273e4af4f309434b7909 |
| humanhash: | pennsylvania-iowa-may-mississippi |
| File name: | crypted.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 485'888 bytes |
| First seen: | 2021-02-23 07:23:14 UTC |
| Last seen: | 2021-02-23 08:45:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:KWACGLF7s/ZmwA5Ywv1z0W+p7PnkU9Nj5k5EmO9G/dNRbvvGwZsUlmE8B4zpEtfw:gAVUvR0BLkWmRJCwZsCC4CHXSJ0 |
| Threatray | 12 similar samples on MalwareBazaar |
| TLSH | 10A4AE28275D9B4DE13EBB384170954F83F5F527E762D68F7E80119F1CA6E808F22A85 |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT |
abuse_ch
Malspam distributing unidentified malware:HELO: blue3056.server-cp.com
Sending IP: 212.48.93.251
From: Denise <info@benergy.asc-labs.co.uk>
Subject: FW: INWARD REMITTANCE
Attachment: payment copy.rar (contains "crypted.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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:
Unknown
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-23 02:27:59 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 2 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
SH256 hash:
642e7c5b6904fe50c539440104b792feece1754c754b69e4d369ad494222cb78
MD5 hash:
fb59689cd3a1273e4af4f309434b7909
SHA1 hash:
ffcb7242f989deb6a30542cfbd088c57df3a743b
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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