MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410
SHA3-384 hash: f98a8e46109552adb45e18ef8a37eeddf00de9632dcfaf3460578026c06109a6197a63e868d9433606aa4053770b1c75
SHA1 hash: bd700eb7084882eea6b8de92c012a9e98ee3b063
MD5 hash: 175999b9b3e077c997bdbd30ff8f09c4
humanhash: music-georgia-yankee-lemon
File name:FV00620224400 009384766589.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'061'888 bytes
First seen:2020-10-09 15:45:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:ne4+Tw9e6/qTdenadvoGpgrN/n2sk+/Ujfpf4A/C3:X+Tw06/YWadvoGpgx+sNS
Threatray 300 similar samples on MalwareBazaar
TLSH 0A35F126B3E41F81F57EA77885601001A3F5B817E732E35E7EAD10DE4EA1F4196A3B12
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: mx.itnav.hu
Sending IP: 83.137.158.235
From: 720341@telkom.co.id
Subject: salinan pembayaran
Attachment: FV00620224400 009384766589.r15 (contains "FV00620224400 009384766589.exe")

MassLogger FTP exfil server:
ftp.persisiciptautama.com:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching a process
Reading critical registry keys
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/486921
Signature
Adds a directory exclusion to Windows Defender
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 11:58:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5n7ze3yioriifvdjanhvnmy4ps44ybazctfdkbwuj6kp3famqia._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
1befcab4a8d97cea8592fa608814f038fd956a5f1f2ddfd9ee8b9402045a705a
MassLogger
29e2a8176598cb686dad7e472e9a892b9569263f448dbe9ecd5b5c660e447b12
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2a5d30dc92fc78dde49b80dc9c073a931239da4f9b4e3f6f732384662a09ec9a
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7a2cd283e2f30e88cea6a791a533760e6955b35ffa322e48f2feb6743f705220
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816581131b3f726da0cfef239111730e74f04e9015df6a519b92a7e0d6e2cd6a
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9913754d30b7cf04988adc1cb3d04fd3822958908216bd48df128df2a653f8cf
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9f335bab72c02acf039bc0366145e832630347a1d141dd1ae768637e52a1a7ce
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c61d5fa6c2a4f421767a7c793da96a0e8e88d482e078ef994f0a50bac73464f0
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d4ad194829837ef26e4edc89c9a7bd0db40904f93517cdc137bc78176ef617fe
MassLogger
fea260d8c97eb6ae4079fb37951566b9f2ec8f785688a3ff63bc7833b6cebdf0
MassLogger
+ 290 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
spyware stealer family:masslogger
Link:
https://tria.ge/reports/201009-6k3jf3bpys/
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
Reads user/profile data of web browsers
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410
MD5 hash:
175999b9b3e077c997bdbd30ff8f09c4
SHA1 hash:
bd700eb7084882eea6b8de92c012a9e98ee3b063
Link:
https://www.unpac.me/results/8cee10c4-31f0-42d0-ad48-c11cba6b97c5/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/8cee10c4-31f0-42d0-ad48-c11cba6b97c5/
SH256 hash:
cf58b69e58eacfb911f37d38918876f5ea3f0fb6b307dcc042b21da14c41f2f5
MD5 hash:
e6a5d2d0c601021191970e56aa022b9c
SHA1 hash:
6015c917bd90cae0649a95d733fca9e69a8a8612
Link:
https://www.unpac.me/results/8cee10c4-31f0-42d0-ad48-c11cba6b97c5/
SH256 hash:
9bbb5ed19ba79565a5e37ef1a4bc98426a4865683386dba519b90434ae954333
MD5 hash:
c8df97ba9430d688772d7594a3d1b50e
SHA1 hash:
6959623d249cced9cccb17330b0a81687ca7e956
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/8cee10c4-31f0-42d0-ad48-c11cba6b97c5/
Parent samples :
8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1
0c9ae5cd740c1da7060b92ddb33f3a3893e361aad45a2accc64d43bd9a1a4106
bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410
cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e
19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef
f94d7839e0a58e3c070f7c8d5a08558d10447c950388c9398fbb56917b4dc855
087016e068280f25be110f04b962e738ae3099344e053d914810801acd28a2cb
SH256 hash:
cf945984f9784092d2283a36657249d2e47fb333196ecd7a3b187a5ce811ac09
MD5 hash:
278392c71b7232383370a14c7e8f3a1b
SHA1 hash:
881eeca167a208a6c36292f78276e31283a99868
Link:
https://www.unpac.me/results/8cee10c4-31f0-42d0-ad48-c11cba6b97c5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410

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

MassLogger

rar be6e92caaa36751f99aac479b2b34d8587e86b2b8e97d755b3eb3bfb61c60662

MassLogger

Executable exe bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410

(this sample)

  
Dropped by
MD5 1a1e8a3a968772d8a5c2ebd3ecd25e9a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69592/
  
Dropped by
SHA256 be6e92caaa36751f99aac479b2b34d8587e86b2b8e97d755b3eb3bfb61c60662

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