MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78e4ef886190359e5dc1f29aa83ed6c99dd06f8f972f740d9884be524b3cd126. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 78e4ef886190359e5dc1f29aa83ed6c99dd06f8f972f740d9884be524b3cd126
SHA3-384 hash: 315982c6d9dd9ef183949676d5702c85f71a8a8efea6c926979b77915c7cf89b9de0b4d938d7f5e973334ad42f9523ad
SHA1 hash: d705cbd1a514ad493c5055dc2568a58666cdf73a
MD5 hash: b7898c6a6ad962f8c6eabacd63d51418
humanhash: october-louisiana-juliet-kentucky
File name:b7898c6a_by_Libranalysis
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:966'144 bytes
First seen:2021-04-29 21:04:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:wbJ1FSex7oLPKA4kjOkDfzx5dewt7Z9ZLooaLR:qPPVo3D7z/deY9qo
Threatray 25 similar samples on MalwareBazaar
TLSH 2825021637989A54E07E2BFA08B0818057B9BD417A22D71D7E88735D0FF37D1CA7A392
Reporter Libranalysis
Tags:QuasarRAT


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Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/146846/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/703240
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Disables user account control notifications
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400543 Sample: b7898c6a_by_Libranalysis Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 8 b7898c6a_by_Libranalysis.exe 3 2->8         started        process3 file4 39 C:\Users\...\b7898c6a_by_Libranalysis.exe.log, ASCII 8->39 dropped 55 May check the online IP address of the machine 8->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 8->57 59 Injects a PE file into a foreign processes 8->59 12 b7898c6a_by_Libranalysis.exe 40 6 8->12         started        signatures5 process6 dnsIp7 43 ip-api.com 208.95.112.1, 49731, 80 TUT-ASUS United States 12->43 45 pastebin.com 104.23.99.190, 443, 49729 CLOUDFLARENETUS United States 12->45 41 C:\Users\user\AppData\...\Dtenders.exe, PE32 12->41 dropped 61 Creates an undocumented autostart registry key 12->61 63 Changes security center settings (notifications, updates, antivirus, firewall) 12->63 65 Disables user account control notifications 12->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->67 17 powershell.exe 24 12->17         started        19 powershell.exe 5 12->19         started        21 schtasks.exe 1 12->21         started        23 8 other processes 12->23 file8 signatures9 process10 process11 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 23->33         started        35 conhost.exe 23->35         started        37 3 other processes 23->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78e4ef886190359e5dc1f29aa83ed6c99dd06f8f972f740d9884be524b3cd126/
Threat name:
ByteCode-MSIL.Trojan.Bomitag
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 21:05:20 UTC
AV detection:
10 of 29 (34.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pdso7cdbsa2z4xob6knkqpwwzgo5a34ps4xxidmyqs7fesz42eta._file
Verdict:
malicious
Similar samples:
10043644a25b01c6dc14d1cb146c384eed12c345a951bb1573c6ac57ff2c03ec
QuasarRAT
35d38e9cfd87be3c230b43c5f9e0173ea78d737e4367e97cffe8604241f82788
QuasarRAT
38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11
QuasarRAT
3ac0b51ff85266ce48162166b822eae9a6661021ba314cfee5360c9ef37b6dc1
QuasarRAT
3b02f2d57c40d4971283bf17b58de4574227c952b555590ef99a64d6b3faca00
QuasarRAT
5195d4c274fc0e47d1f3a9ca4d3b8591b07a7ebc18fe6ecb531827615669b52f
QuasarRAT
5ec1e61f1b16385377817460f00e7efc8cdb2d45b625a165f4d62bab276b0d53
QuasarRAT
76454d33033a544aa660684850c8a58b5bbee3ed14439e11fee71a137033c171
QuasarRAT
9ea4a4a25a5cda6ab988055c5172dc2993acc05dcb480f9007d52b188b7d44c7
QuasarRAT
bc88f7ce08e0f3cd87267fff8188fbdfa3fc9e733db9775d5f06eff82a39a3d6
QuasarRAT
+ 15 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:quasar evasion persistence rat spyware trojan
Link:
https://tria.ge/reports/210429-hpehy7bd76/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Windows security modification
Executes dropped EXE
AsyncRat
Contains code to disable Windows Defender
Modifies Windows Defender Real-time Protection settings
Modifies security service
Quasar Payload
Quasar RAT
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/e0d4ab7b-8588-4c9e-a79f-fbe1e558821e/
SH256 hash:
78e4ef886190359e5dc1f29aa83ed6c99dd06f8f972f740d9884be524b3cd126
MD5 hash:
b7898c6a6ad962f8c6eabacd63d51418
SHA1 hash:
d705cbd1a514ad493c5055dc2568a58666cdf73a
Link:
https://www.unpac.me/results/e0d4ab7b-8588-4c9e-a79f-fbe1e558821e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/78e4ef886190359e5dc1f29aa83ed6c99dd06f8f972f740d9884be524b3cd126

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/146846/

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