MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab. 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


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab
SHA3-384 hash: fdd7ded54aec78d7d58b340bb58ad4935f168d3353091f064c667d682efb61f34c76447acd8e785017180b79f3f054c3
SHA1 hash: 260dabd14060b9d2810195ac71682c747fe9bd5f
MD5 hash: 04c1ca2f5992d1168e7af1323ed2fa61
humanhash: georgia-sink-xray-steak
File name:Quotation #2810263.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:590'336 bytes
First seen:2021-02-23 07:16:51 UTC
Last seen:2021-02-23 08:45:57 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 12288:EbEqMr+uFLjP0wjxGZufNHKPxHGBG4bFOgvUP:VBLj86pIPxHOPbFG
Threatray 275 similar samples on MalwareBazaar
TLSH 5AC4AD24665CBB0CE17EA737C9A4944F93FAFC129612C66F2DD1319F4C72F888B21A15
Reporter abuse_ch
Tags:exe QuasarRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: static.126.145.69.159.clients.your-server.de
Sending IP: 159.69.145.126
From: Ms. Gusti Rudangga <admin@argumentbottom.com>
Subject: Re: Quotation Request (RFQ)
Attachment: Quotation 2810263.zip (contains "Quotation #2810263.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/118479/
Detection(s):
SecuriteInfo.com.Variant.Razy.846728.27448.12729.UNOFFICIAL
Create hunting rule

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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615080
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 356552 Sample: Quotation #2810263.exe Startdate: 23/02/2021 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 9 other signatures 2->43 8 Quotation #2810263.exe 7 2->8         started        process3 file4 25 C:\Users\user\AppData\Roaming\vfoHAhr.exe, PE32 8->25 dropped 27 C:\Users\user\...\vfoHAhr.exe:Zone.Identifier, ASCII 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmpFA5C.tmp, XML 8->29 dropped 31 C:\Users\user\...\Quotation #2810263.exe.log, ASCII 8->31 dropped 45 Injects a PE file into a foreign processes 8->45 12 Quotation #2810263.exe 15 3 8->12         started        15 schtasks.exe 1 8->15         started        signatures5 process6 dnsIp7 33 ip-api.com 208.95.112.1, 49721, 80 TUT-ASUS United States 12->33 35 192.168.2.1 unknown unknown 12->35 17 cmd.exe 1 12->17         started        19 conhost.exe 15->19         started        process8 process9 21 conhost.exe 17->21         started        23 choice.exe 1 17->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-02-23 06:01:40 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjw6yllnb5dkcw6kuc3gp24gjjwdze3ug4tvgd632qstukskb6vq._file
Verdict:
suspicious
Similar samples:
134447d4a42fa0c68719a166022b19728ab3b771a025fcb40b9e01eb0472bd8b
QuasarRAT
1c4c2da9632d0c694a0f24b66635e4237070e4ed05879314415a6eca69443138
QuasarRAT
4990b0164b660d9e8966fb35fc3d5f4f30b42c7e3861a14fc9255075b129c86e
QuasarRAT
4c5cbccc8138f4f003b85294224f0459daf2182b6211be55b62abf62919d4b05
QuasarRAT
608d70c1cb35d04fa09469743651ee50e859d9ea016f7492bc53008de310deb7
QuasarRAT
6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
QuasarRAT
a362c422dd9a2c24a7cc96dc14244742d24274b78da4b0a27157ac9e7c38b04a
QuasarRAT
bd784854e186a0f43ecfba7babc1f16bf5e8b42d8674e8f7af4443cefc99e719
QuasarRAT
e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
QuasarRAT
e7063cc17e4ab85b0ae947f6366f4a955758d2e3ef81bb2476f77aec1f77daae
QuasarRAT
+ 265 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
evasion
Link:
https://tria.ge/reports/210223-28bynrvs5x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Deletes itself
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
Link:
https://www.unpac.me/results/7a76827d-c887-4e9d-a9bd-0f552b792496/
SH256 hash:
7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab
MD5 hash:
04c1ca2f5992d1168e7af1323ed2fa61
SHA1 hash:
260dabd14060b9d2810195ac71682c747fe9bd5f
Link:
https://www.unpac.me/results/7a76827d-c887-4e9d-a9bd-0f552b792496/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab

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
Create hunting rule
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

QuasarRAT

zip 036b992e51ed2a5c0bf7dc243ebd9c0d081a6a6d4395f8542bd2ce8dbdb299ca

QuasarRAT

Executable exe 7a6dec2d6d0f46a15bcaa0b667eb864a6c3c93743727530fdbd4253a2a4a0fab

(this sample)

  
Dropped by
MD5 d22d99c64b7040d797c531100d539229
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/118479/
  
Dropped by
SHA256 036b992e51ed2a5c0bf7dc243ebd9c0d081a6a6d4395f8542bd2ce8dbdb299ca

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