MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3. 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: 10


Intelligence 10 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3
SHA3-384 hash: 614134088eb267e99030f8bac74ef14465e9c082698b2e553f940bbd8a7ed290e2f00520a7d36a951fc77c96c680645c
SHA1 hash: 41ee7ee8c663793b354513439e9743a5bfc6a246
MD5 hash: e79f542fb3f5aa6e4400953be24780db
humanhash: river-failed-mobile-fanta
File name:e79f542fb3f5aa6e4400953be24780db.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'384'256 bytes
First seen:2021-01-06 10:45:48 UTC
Last seen:2021-01-06 11:44:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 98304:9vvfdTU6hTADDLfMOQYRm+VsvX428sUeIEPOSJGe39/3XN:9vXhUYADDLfzQYI9vo2LUtVS0eN/XN
Threatray 77 similar samples on MalwareBazaar
TLSH B816120173F08453F89B1276242875CC1E3CB553B6DAF25BAB7726D193009BAF6E8E52
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
spetsifikatsiya.xls
Verdict:
Malicious activity
Analysis date:
2021-01-06 10:10:25 UTC
Tags:
macros trojan opendir loader
Link:
https://app.any.run/tasks/18970e04-a798-40f3-a3f1-885f9ce04e6d

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/110727/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.rc.19630.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Setting a global event handler
Connection attempt
Setting a global event handler for the keyboard
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.
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/575035
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide a thread from the debugger
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, 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
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 336575 Sample: 89GsVCJAXv.exe Startdate: 06/01/2021 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 10 other signatures 2->78 9 89GsVCJAXv.exe 8 2->9         started        process3 file4 48 C:\Users\user\AppData\...\gUuYfpYBjYgU.exe, PE32 9->48 dropped 50 C:\Users\user\AppData\Local\...\tmp1E3A.tmp, XML 9->50 dropped 52 C:\Users\user\AppData\...\89GsVCJAXv.exe.log, ASCII 9->52 dropped 92 Injects a PE file into a foreign processes 9->92 94 Contains functionality to hide a thread from the debugger 9->94 13 89GsVCJAXv.exe 1 21 9->13         started        18 schtasks.exe 1 9->18         started        signatures5 process6 dnsIp7 68 yz.videomarket.eu 185.157.162.81, 1972, 1973, 49755 OBE-EUROPEObenetworkEuropeSE Sweden 13->68 70 gtp.bg 195.191.149.103, 49787, 49795, 80 SUPERHOSTING_ASBG Bulgaria 13->70 54 C:\Users\user\...\AefPwzK9nkCy0tvC.exe, PE32 13->54 dropped 56 C:\Users\user\...\4PfDhm5FPSD8jAAX.exe, PE32 13->56 dropped 58 C:\Users\user\...\5DVxvgK9jn5gaBl[1].exe, PE32 13->58 dropped 60 C:\Users\user\...\5DVxvgK9jn5gaBl[1].exe, PE32 13->60 dropped 100 Hides threads from debuggers 13->100 20 AefPwzK9nkCy0tvC.exe 6 13->20         started        24 4PfDhm5FPSD8jAAX.exe 13->24         started        26 conhost.exe 18->26         started        file8 signatures9 process10 file11 46 C:\Users\user\AppData\Roaming\JrekdQ.exe, PE32 20->46 dropped 80 Multi AV Scanner detection for dropped file 20->80 82 Detected unpacking (changes PE section rights) 20->82 84 Detected unpacking (overwrites its own PE header) 20->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->86 28 AefPwzK9nkCy0tvC.exe 15 4 20->28         started        32 schtasks.exe 1 20->32         started        34 AefPwzK9nkCy0tvC.exe 20->34         started        36 AefPwzK9nkCy0tvC.exe 20->36         started        88 Machine Learning detection for dropped file 24->88 90 Injects a PE file into a foreign processes 24->90 38 schtasks.exe 24->38         started        40 4PfDhm5FPSD8jAAX.exe 24->40         started        signatures12 process13 dnsIp14 62 yz.videomarket.eu 28->62 64 ip-api.com 208.95.112.1, 49796, 80 TUT-ASUS United States 28->64 66 192.168.2.1 unknown unknown 28->66 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->96 98 Installs a global keyboard hook 28->98 42 conhost.exe 32->42         started        44 conhost.exe 38->44         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-01-06 09:13:22 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fxoxs3u3kovt27vpicjvfedx6y37davjgsufdlze3kgi6ge253jq._file
Verdict:
malicious
Similar samples:
1c1b2595e6838a1ee24e806ff60b80a40ad7166caaaaf65080deda57c7292c53
QuasarRAT
22dbe6172d32b9b90d66036688e440a9026524f8c4c61b1c05f45dbd63919483
QuasarRAT
243e8ba43bcdb6634c77835df678964743893a30f4d2abe9596f2add2882e074
QuasarRAT
3cf331e46b6f16ef2a591637b64865d81b19e016ad3f4f3280aa1a872f1261ab
QuasarRAT
791e9401b2e0910228a5fd4dbac30226ae4ed8c42c54786c9bb7bc5f116886a6
QuasarRAT
80104e0ad490b44a632a15e5875e7626db7f35fa94d7aadf19c45a621d75c7e0
QuasarRAT
8fdc007dd13e7c0c5bbe426da723499db81518697eb84d2fd2a0181996d276fa
QuasarRAT
ae3ed3cc7495aa7d7b937b933256649573272cfd78dcb7835234f7488d12a3ba
QuasarRAT
b3748ae0bd6e35d549cc5653bf5427dd2e58f06b19972392c9264adf5916d97d
QuasarRAT
d988749a819e92dc45ac7a5ca295533cb85a98701cfe921ad43b2920cbebb8dc
QuasarRAT
+ 67 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan upx
Link:
https://tria.ge/reports/210106-al5995e5t6/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
Quasar RAT
Unpacked files
SH256 hash:
2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3
MD5 hash:
e79f542fb3f5aa6e4400953be24780db
SHA1 hash:
41ee7ee8c663793b354513439e9743a5bfc6a246
Link:
https://www.unpac.me/results/c3ed5845-9e14-477b-960a-70dbffcadee7/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/c3ed5845-9e14-477b-960a-70dbffcadee7/
SH256 hash:
bd3a7183db6da8790bf036100c8186f0ff86fdb1e2d3849a2ce4b26e37c2a250
MD5 hash:
dea229048451fa45dd0702176729c64c
SHA1 hash:
be95828518d91348f87cd4d8b89fdf77ada283c4
Link:
https://www.unpac.me/results/c3ed5845-9e14-477b-960a-70dbffcadee7/
SH256 hash:
152ec035d1b3f6a661bc5f6c2a931a90b3afc7241b1017d9b2f89022467fc340
MD5 hash:
da08e61fd8f5c324465f6b07ca3d1e93
SHA1 hash:
f1c2aa23927b9449e3ccc89e3c13bc6db788c70f
Link:
https://www.unpac.me/results/c3ed5845-9e14-477b-960a-70dbffcadee7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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
Rule name:Quasar_RAT_2
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
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 2ddd796e9b53ab3d7eaf4093529077f637f182a934a851af24da8c8f189aeed3

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/110727/
  
URLhaus
https://urlhaus.abuse.ch/url/950036/
  
Delivery method
Distributed via web download

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