MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 efcf11b8408b3caf79f2aa775890f6708f115524a9be648d4324b44551078473. 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: 6
| SHA256 hash: | efcf11b8408b3caf79f2aa775890f6708f115524a9be648d4324b44551078473 |
|---|---|
| SHA3-384 hash: | 67a6a6e57d33f66a018a1386df556e88fdb624e9c3ab600de2755e315083354b75c66065b84c69ca9487dfca38fae5bb |
| SHA1 hash: | 5544c15ce8d40d9e0425a6a3909098e93a455964 |
| MD5 hash: | da364ff6c593f4783eb3087166d45ca2 |
| humanhash: | speaker-blue-bakerloo-earth |
| File name: | efcf11b8408b3caf79f2aa775890f6708f115524a9be648d4324b44551078473 |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 547'328 bytes |
| First seen: | 2020-11-11 11:13:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:mK9K2Lg0KTGi0Dn2whGfb3OIV1gelKeV45tBoFd/CbPffXb43Y9GeUC4jPY8jQ:m32LTDnrecMrqbXfoYce5EQoQ |
| Threatray | 14 similar samples on MalwareBazaar |
| TLSH | F8C46C1227E8C62FE17E6772E4F004259BF4E10AF666DB5F098469F81C62B45AD013BF |
| Reporter |  seifreed |
| Tags: | QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Setting a keyboard event handler
Running batch commands
Creating a process with a hidden window
Creating a window
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2020-11-11 11:16:19 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
suspicious
Similar samples:
+ 4 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar spyware trojan
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Quasar RAT
Unpacked files
SH256 hash:
efcf11b8408b3caf79f2aa775890f6708f115524a9be648d4324b44551078473
MD5 hash:
da364ff6c593f4783eb3087166d45ca2
SHA1 hash:
5544c15ce8d40d9e0425a6a3909098e93a455964
SH256 hash:
c5dc2ebe87df41c7c72097f7e2c0906ddc5162345b9a9e3a3d7f34ac321a17a5
MD5 hash:
095c5daeb38d4ec17c589b70a9b90304
SHA1 hash:
1b4e29faa2460f6af58b134e073a56b967b3bee0
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: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | CN_disclosed_20180208_KeyLogger_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | MAL_QuasarRAT_May19_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects QuasarRAT malware |
| Reference: | https://blog.ensilo.com/uncovering-new-activity-by-apt10 |
| Rule name: | MSILStealer |
|---|---|
| Author: | https://github.com/hwvs |
| Description: | Detects strings from C#/VB Stealers and QuasarRat |
| Reference: | https://github.com/quasar/QuasarRAT |
| Rule name: | Quasar |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect QuasarRAT in memory |
| 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 |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Vermin_Keylogger_Jan18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Vermin Keylogger |
| Reference: | https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/ |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.