MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e
SHA3-384 hash: af67f234063707e2143049cbb90cd1ff521a8092b7fb872c6c2e7398f2d55bbd9be98a2fe3cab5cf54a17e777f42f16a
SHA1 hash: 9f0fb2ac1793481375209e92c851515eba6b71c4
MD5 hash: c602f7597bedfe557a08bfd89ef8b343
humanhash: nine-skylark-mike-vermont
File name:doc773948775757 000239488884.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:916'992 bytes
First seen:2020-10-12 14:54:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:MOHVywgE5+aCUffDq9zg5HtdAisOmvpHfCBRH7LdP4S86AjbCpQ:MSV/TQuDQ6NABR+RH7LdP4W6bCpQ
Threatray 213 similar samples on MalwareBazaar
TLSH 6B159EF2788A947DD66D037681A164C3F57E12C73F598E0E7A9B830C0D2631B979226F
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: e347122.name-servers.gr
Sending IP: 195.201.120.33
From: DHL EXPRESS <ewout.blaauw@dhl.com>
Subject: DHL Failed Delivery Notification
Attachment: doc773948775757 000239488884.r15 (contains "doc773948775757 000239488884.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Fareit.cc.31217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
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/488628
Signature
.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: 296791 Sample: doc773948775757 000239488884.exe Startdate: 12/10/2020 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 7 other signatures 2->40 8 doc773948775757 000239488884.exe 8 2->8         started        process3 file4 20 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->20 dropped 22 C:\...\doc773948775757 000239488884.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 54.225.195.221, 49761, 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 24 12->16         started        signatures8 process9 process10 18 conhost.exe 16->18         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e/
Threat name:
ByteCode-MSIL.Infostealer.Tepfer
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 12:24:52 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5uodmpi5copaoynoimvpr4usnuupsgpl6gdaqa4edqhlzftprxa._file
Verdict:
unknown
Similar samples:
0982a348bad7e99222ac6ec6c6dc2c113eb8adff8785bd1f371c5bc90b0025b3
MassLogger
0edc105e9bc4e9b297487650e45b6ee0b0ca1e97e2194a2b455d657e428be977
MassLogger
223c38be022bf37ef243556438ecd472ae67bbb46fcf0e7ce4ea3173260141e9
MassLogger
31e9e7ca798fc5177eb571c001d4d7ae44e141818fa31fb8fe654d44afe3df53
MassLogger
4b652aeecc3af929f45e0bf93e3d87b989e58cca29557f8bbdcc33cbd42a521a
MassLogger
8c6c41d8e0f478b1be11b938bf83066e8cf7a8b294c18c91e0b2570f464bc6d2
MassLogger
c62ef08103c30d5d2d18fbc2eff820985af40aa377828ef72c3ecad495103511
MassLogger
ccd1a40e599ad9f364ca70ef3d02b4850901fdeaddb5c9a4b66405e2bccc9ad2
MassLogger
d3096fc849c6c61f96bd31d7cdd062720e18e50a8ad5cabc23c7156c0ecef316
MassLogger
f37a3d07e33750a031b832d3486485b74bc23c84bf64249cb1bd8ce495802621
MassLogger
+ 203 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
spyware stealer family:masslogger
Link:
https://tria.ge/reports/201012-acs584kfb6/
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:
cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e
MD5 hash:
c602f7597bedfe557a08bfd89ef8b343
SHA1 hash:
9f0fb2ac1793481375209e92c851515eba6b71c4
Link:
https://www.unpac.me/results/8d897565-fc97-4681-b328-afe9a032325d/
SH256 hash:
30140c3bf5874d7d184b15513016f9de1524ae95a5efe9a1cb15bad6d6936d64
MD5 hash:
03847d82611bc6461cbb99ca768828f1
SHA1 hash:
39859a3fd3326520dfd1ed10456bb227933a8871
Link:
https://www.unpac.me/results/8d897565-fc97-4681-b328-afe9a032325d/
SH256 hash:
9bbb5ed19ba79565a5e37ef1a4bc98426a4865683386dba519b90434ae954333
MD5 hash:
c8df97ba9430d688772d7594a3d1b50e
SHA1 hash:
6959623d249cced9cccb17330b0a81687ca7e956
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/8d897565-fc97-4681-b328-afe9a032325d/
Parent samples :
8878c46875d3b0d420bd76508490e5c6df7a55359d1d039f0edb145e836addb1
0c9ae5cd740c1da7060b92ddb33f3a3893e361aad45a2accc64d43bd9a1a4106
bf5bfc937843a28416a3481a7ab598e3e5ce6020c8a651a836a27ca7eca06410
cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e
19d2886d97bf7362c767b77c7a9dec1cdf71c7606a3ceb035fe25e8b8bebddef
f94d7839e0a58e3c070f7c8d5a08558d10447c950388c9398fbb56917b4dc855
087016e068280f25be110f04b962e738ae3099344e053d914810801acd28a2cb
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/8d897565-fc97-4681-b328-afe9a032325d/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
e3f3f21f1da73f127615d0ce7f20b1159facd9b5015ef223de73dddbcdf1f59a
MD5 hash:
7a4f8f06291d4cff66c36c4963e2d0e6
SHA1 hash:
dfe8b19e175fb63bd891664e11e9f7fa646f4bf1
Link:
https://www.unpac.me/results/8d897565-fc97-4681-b328-afe9a032325d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e

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 299fa63f1942cfff56f1b4957c8d6e2d959759d5aa4343671fcd78a6b3fe3143

MassLogger

Executable exe cf68e1b1e8e89cf03b0d721957c794936947c8cf5f8c30401c20e075e4b37c6e

(this sample)

  
Dropped by
MD5 7f50f02418c0464ffdd2a24fdd0ee12b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70144/
  
Dropped by
SHA256 299fa63f1942cfff56f1b4957c8d6e2d959759d5aa4343671fcd78a6b3fe3143

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