MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1
SHA3-384 hash: f30068e6c720fc81f2e761e8a0ead79c0fb54701cbd47bd6ee2529762f97cb9a32c7c44b74f14d3cbfd58235bb4c5411
SHA1 hash: 2b85a73f78091cf4cfe1e98d36a75eec23d2492d
MD5 hash: dc1d43be912ebcf670d5c710ad9122c3
humanhash: north-mirror-tango-bravo
File name:FV00620224400 009384766589.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:917'504 bytes
First seen:2020-10-09 09:11:52 UTC
Last seen:2020-10-09 10:12:18 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 12288:4tBsaQbJOBRxBOTYXffDq9zg5HtdAisOmvpHfCBRH7LdP4S86AjbCpQ:7a4QP4YXDQ6NABR+RH7LdP4W6bCpQ
Threatray 473 similar samples on MalwareBazaar
TLSH 12155BF23C83D89EEDAA4376509554C3FA7616C73F548A0E76AA830C0D13A1BAF52357
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
Malspam distributing QuasarRAT:

From: 07722839@protonmail.com
Subject: MOU Information
Attachment: FV00620224400 009384766589.r15 (contains "FV00620224400 009384766589.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
DNS request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/486562
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295728 Sample: FV00620224400 009384766589.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected MassLogger RAT 2->38 40 8 other signatures 2->40 8 FV00620224400 009384766589.exe 8 2->8         started        process3 file4 20 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->20 dropped 22 C:\...\FV00620224400 009384766589.exe.log, ASCII 8->22 dropped 24 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\Temp\...\D.dll, PE32 8->26 dropped 42 Writes to foreign memory regions 8->42 44 Allocates memory in foreign processes 8->44 46 Injects a PE file into a foreign processes 8->46 12 AddInProcess32.exe 15 2 8->12         started        signatures5 process6 dnsIp7 28 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 49744, 80 AMAZON-AESUS United States 12->28 30 nagano-19599.herokussl.com 12->30 32 api.ipify.org 12->32 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal browser information (history, passwords, etc) 12->52 54 Adds a directory exclusion to Windows Defender 12->54 16 powershell.exe 25 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 07:45:26 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rb4mi2dv2oyniif5oziijehfy3pxuvjvtuoqhhyo3mkf5a3k3wyq._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
02343c3fa1176e06ba37758a53edefdeed2200f470dc184cb2d45406f2e16d38
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0442367788ead3ccf0c9a36805053be48c332ab656f51667f4c08cbbfa3f3ac0
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0e7ba6c8acc0e3de5a31e050eb287daba683c992e12c4715730ef3ccf3bbf575
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4323dbb489f82a5a4906fbc6e0dc37a6589dc7b073f2fa0a569b7d3409314e15
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66be42e48ac5cca62e07acb170e1965756f0556ac5ad9a3070c64c6e74a11fa7
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84e0b5e6daeb11cdca531a22315506ee74a14bd6b0ae9c563fde694aa955867a
QuasarRAT
b1c87bb82c46e28ccb5188475def1c24b3239f0508372163cd75d2abc6eaf049
QuasarRAT
e2ebeb9d7ac12f7465a44a186f2bc83be704f09a003530f40474bb4546769124
QuasarRAT
e548234adb2b484793484466ef99084bb77854de66782af91e38420a198b4f83
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e7adb9ddc612bc2bbc52cc809b0a7b90c6f28f0b9df4fa767dccdab4d1d91c50
QuasarRAT
+ 463 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
stealer spyware family:masslogger
Link:
https://tria.ge/reports/201009-w2qdtagdzx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
30140c3bf5874d7d184b15513016f9de1524ae95a5efe9a1cb15bad6d6936d64
MD5 hash:
03847d82611bc6461cbb99ca768828f1
SHA1 hash:
39859a3fd3326520dfd1ed10456bb227933a8871
Link:
https://www.unpac.me/results/85848855-79b7-45a9-9036-fd80bade9d13/
SH256 hash:
9bbb5ed19ba79565a5e37ef1a4bc98426a4865683386dba519b90434ae954333
MD5 hash:
c8df97ba9430d688772d7594a3d1b50e
SHA1 hash:
6959623d249cced9cccb17330b0a81687ca7e956
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/85848855-79b7-45a9-9036-fd80bade9d13/
Parent samples :
8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1
0c9ae5cd740c1da7060b92ddb33f3a3893e361aad45a2accc64d43bd9a1a4106
bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410
cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e
19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef
f94d7839e0a58e3c070f7c8d5a08558d10447c950388c9398fbb56917b4dc855
087016e068280f25be110f04b962e738ae3099344e053d914810801acd28a2cb
SH256 hash:
89aa143c91d8cace96581d1ad1e4a67060238498168d9e412227019a838574a3
MD5 hash:
beadcc53a3524ce380a7b07b4da47d57
SHA1 hash:
7014b2381ef1ca0f0c8f1b0884315260dc73932f
Link:
https://www.unpac.me/results/85848855-79b7-45a9-9036-fd80bade9d13/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/85848855-79b7-45a9-9036-fd80bade9d13/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1
MD5 hash:
dc1d43be912ebcf670d5c710ad9122c3
SHA1 hash:
2b85a73f78091cf4cfe1e98d36a75eec23d2492d
Link:
https://www.unpac.me/results/85848855-79b7-45a9-9036-fd80bade9d13/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

QuasarRAT

rar f0ec5d59dbfad3c8528b006624cce4a2d00ed356d501249300148367bcb24a2a

QuasarRAT

Executable exe 8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1

(this sample)

  
Dropped by
MD5 0ba8ca7a84f6cdae59917dba4ebf8b04
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69512/
  
Dropped by
SHA256 f0ec5d59dbfad3c8528b006624cce4a2d00ed356d501249300148367bcb24a2a

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