MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
SHA3-384 hash: edef2d83322e628b656f68ccb4c8186dafc27254364f6ce5fe2ccf636bc415afa6b5a424547f8f5d0eb2adff497845de
SHA1 hash: f46276d5e01673acac32cfc3b21bb9d7fb527dc2
MD5 hash: ecaf3ef7c768a488d9beaf448bf88436
humanhash: carbon-item-carpet-sink
File name:DHL_January 2021 at 00M_9B7290_PDF.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:730'112 bytes
First seen:2021-01-18 16:07:18 UTC
Last seen:2021-01-18 18:24:17 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 12288:7ySo5pjHVbx87h60PBMt0igOhFz+U/t55SvqNlvI2A2+eI5/DM5JjW:7Oj1bQ605u0x4z+UV55i2Sf2+39DM5hW
Threatray 618 similar samples on MalwareBazaar
TLSH A8F41236B2E65199DAC026321393D8A81B677C0F892F430E9CF63BDE14B60DEC946717
Reporter abuse_ch
Tags:DHL exe MassLogger


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: nivelz.org
Sending IP: 195.201.196.173
From: DHL Customer Support <noreply@dhl.com>
Subject: RE: DHL Express Shipment // AWB_5011014
Attachment: DHL_January 2021 at 00M_9B7290_PDF.img (contains "DHL_January 2021 at 00M_9B7290_PDF.exe")

MassLogger SMTP exfil server:
mail.beljemi.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_January 2021 at 00M_9B7290_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-18 16:10:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/36665d1f-a6c4-4d16-9bfa-2a49d423fbbd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
MassLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/112587/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.507.7192.27924.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a window
Reading critical registry keys
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/583971
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Initial sample is a PE file and has a suspicious name
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
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 Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 16:08:08 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a3cbuckkflag5nsd6ty7sf63vuwmmwrvbkeqejtp7hzx7ymorm4q._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
Similar samples:
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
MassLogger
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
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5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
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5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
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5ed51f4b95f0c069d15496fd9ad2b8da9d5839b23e803276291943334f428dc0
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a39304a39ad9b9427b000045f7f5c60ed7790fe1a79d604ba9379bb94c0da593
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b5a3cf350d8aa4afa017d90a37e3206574774eefc57c36da525a89606d704025
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c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
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dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
MassLogger
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
MassLogger
+ 608 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/210118-8eqw5dzy8j/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/c3710df9-11d4-43da-b4e7-13e1a78064ed/
SH256 hash:
9380318bd865a4b7c7c38bc4f3e88392b7eab2ab13e4bd81ad4c043f185587fc
MD5 hash:
c964f3649959daa85e57c0c9b290e830
SHA1 hash:
dee06aa993d052c997879c3da0b798a35cc45c0c
Link:
https://www.unpac.me/results/c3710df9-11d4-43da-b4e7-13e1a78064ed/
SH256 hash:
c0bc32ac8075ff6d3c44a8579529f8e9363a9d8520db70ff0665ac83e96ca1fa
MD5 hash:
989afca532394ca69cfac8f95fed60b1
SHA1 hash:
2f04e4efe7145209f359ca9bd42a3bf494c997c3
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/c3710df9-11d4-43da-b4e7-13e1a78064ed/
Parent samples :
c26fae9be09bc2ae42201aa17d14288a797ed398c1476246a41366c78961668e
5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
08a9b841c509bb0171f6899c3357e6b2cc47ce64e352315c4a8aaa4961ad0673
5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
64e3a39bfe33b36e037ce76f733eb76ad58e55b9c21ab63b7772576a31884125
dfcd2b701b1142718cfbeeaf21c4fcb618d8aa2482bea8821b440ed24a768a1e
2d9b9f417d914d2b6f3bc2eefbe9b82ec3eacd8077f2ad4a1a05f393f8584bc8
f5a271d64ab777a898207f0614834620fbb7c4ebb741f7572afb2d13756f2b89
06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820
SH256 hash:
06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39
MD5 hash:
ecaf3ef7c768a488d9beaf448bf88436
SHA1 hash:
f46276d5e01673acac32cfc3b21bb9d7fb527dc2
Link:
https://www.unpac.me/results/c3710df9-11d4-43da-b4e7-13e1a78064ed/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39

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
Create hunting rule
Author:kevoreilly
Description:MassLogger
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

img e7e5cfc9a209e56e4af70f1dca1fc645502aba5db0237916e93d7b034893431d

MassLogger

Executable exe 06c41a094a2ac06eb643f4f1f917dbad2cc65a350a8902266ff9f37fe18e8b39

(this sample)

  
Dropped by
MD5 b994e3db94ada309ba4ac86231931548
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e7e5cfc9a209e56e4af70f1dca1fc645502aba5db0237916e93d7b034893431d
Cape
Cape
https://www.capesandbox.com/analysis/112587/

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