MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda
SHA3-384 hash: 3fe6d7a890d57f0a746b52779a0f6cf7efcbf52bd959a29b60c2ffecdddb901c2d5136064539065769048a392a5ab206
SHA1 hash: a691d576b6e4f37567edef2436361cf36007c8f4
MD5 hash: 2026df92527a81396ec58a6901d878e3
humanhash: emma-spring-kansas-bluebird
File name:2026df92527a81396ec58a6901d878e3
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:41'560 bytes
First seen:2022-01-26 13:40:26 UTC
Last seen:2022-01-26 16:37:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:5vjX/+bzS7GDMNp1qUjP/H2RFLP8U+buCslVr6wD1P4s:5r+bOFNqr9P8DuCsrP/
TLSH T1A9138D01B7548652C8A64A30D867D7937F39FFC78961832B2485FE2FFCA73814B11A69
File icon (PE):PE icon
dhash icon 1af76b66c8983c58 (1 x QuasarRAT, 1 x Emotet)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2026df92527a81396ec58a6901d878e3
Verdict:
Malicious activity
Analysis date:
2022-01-26 13:46:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5092ee11-a9ae-4bef-a960-486f79e9186f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/223245/
Detection(s):
SecuriteInfo.com.MSIL.TrojanDownloader.Agent.JZO.9335.1395.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Connecting to a non-recommended domain
Sending an HTTP GET request
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe obfuscated overlay packed packed replace.exe
Link:
https://www.filescan.io/uploads/61f14f7259d130b02a5397e7/reports/74f48f0f-0396-459d-8c72-27de32e78cc5/overview
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/25407b64-6769-43d4-8ebe-e8f1b1e70578
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/927931
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-01-26 11:47:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office persistence spyware trojan
Link:
https://tria.ge/reports/220126-qy4rssdfg3/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
studentestingrim.sytes.net:61538
127.0.0.1:61538
studentesting.duckdns.org:61639
127.0.0.1:61639
Unpacked files
SH256 hash:
b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda
MD5 hash:
2026df92527a81396ec58a6901d878e3
SHA1 hash:
a691d576b6e4f37567edef2436361cf36007c8f4
Link:
https://www.unpac.me/results/b8215e25-dac7-4142-8385-b7bbce32a94a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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

QuasarRAT

Executable exe b4616079a963c5fdfbde3f5c0dc44d102d5ba97b4b120c9e792556fca129bdda

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2007394/
Cape
Cape
https://www.capesandbox.com/analysis/223245/

Comments


Avatar
zbet commented on 2022-01-26 13:40:29 UTC

url : hxxp://jcvmarketingassociates.com/ploujtnm/mguywfrvgqg.exe