MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
SHA3-384 hash: 91ffc0639731253934fab77682b0f8ac56a1e548f0ff62a68202874d6f8956d68a4779da00abf0059554e9894c0e6625
SHA1 hash: 5338fba62d03bf2c6979c3def6f622b60377533d
MD5 hash: 112bc18db2a6c3c49ddcac7678abfad7
humanhash: five-five-six-fruit
File name:Halkbank_Ekstre_20210112_162325_384771.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'382'912 bytes
First seen:2021-01-12 07:19:02 UTC
Last seen:2021-01-12 08:54:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:oR2QZB7gbFPS/b7VLBfv2Jg5SXUGxB4car9cX:oRv7Wl4t26CU4na
Threatray 610 similar samples on MalwareBazaar
TLSH 5355BE108BD29790D7AF13FD1801206127E5DF35B2E8EF78ED8570B66A7692801FDD8A
Reporter abuse_ch
Tags:exe geo Halkbank MassLogger TUR


Avatar
abuse_ch
Malspam distributing MassLogger:

HELO: halkbank.com.tr
Sending IP: 155.94.185.117
From: HALKBANK.E-EKSTRE@halkbank.com.tr
Subject: T.HALK BANKASI A.Ş. 01.01.2021 - 11.01.2021 Hesap Ekstresi
Attachment: Halkbank_Ekstre_20210112_162325_384771.r00 (contains "Halkbank_Ekstre_20210112_162325_384771.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20210112_162325_384771.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-12 07:26:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8c32512c-26a9-4285-aba8-f55cf4fe6702

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/111410/
Detection(s):
SecuriteInfo.com.Generic.mg.112bc18db2a6c3c4.18831.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
Result
Verdict:
SUSPICIOUS
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:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/578699
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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/857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-01-12 02:48:21 UTC
AV detection:
6 of 46 (13.04%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qv7z5rkxstq4imzbyacuxm5gz3szd6yeub5gf667zywmedsqrj5a._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7
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e97151ce51e9463bd45ad41571141614fc0ffc8a8cbf2c74f36c20028a769f41
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+ 600 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/210112-35fqxlddy6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
MD5 hash:
112bc18db2a6c3c49ddcac7678abfad7
SHA1 hash:
5338fba62d03bf2c6979c3def6f622b60377533d
Link:
https://www.unpac.me/results/25dbe5cb-82b0-433b-be67-3f3632ee4ba9/
SH256 hash:
411cdfd5051d5773d2c825026538a52e34087369629ca8a67d2fde4a54a5bea0
MD5 hash:
df7561c9db1a43d1da6f26594e9c1a6c
SHA1 hash:
023b798e723632c14d737bd87e9dcdc8ec7141e3
Link:
https://www.unpac.me/results/25dbe5cb-82b0-433b-be67-3f3632ee4ba9/
SH256 hash:
9098ed4619cde8fe8abc05fe5d52bd72a64a319ea889c59524638f1b0fc3f0d0
MD5 hash:
c699799e0edb42107c87546da90f87bf
SHA1 hash:
5bf1b6ef44903c77efff050f00e68c9bee7ad8f9
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/25dbe5cb-82b0-433b-be67-3f3632ee4ba9/
Parent samples :
3d8976fe6a79ea716fa15a77f0b6e301e1091fa1143cf1d4f558153ae259ab3f
857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/25dbe5cb-82b0-433b-be67-3f3632ee4ba9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a

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: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

r00 ccdf4cdbef558332a41ee0e756ad464608dffbd99c4ec883f2109f1b9f4e40a5

MassLogger

Executable exe 857f9ec55794e1c43321c0054bb3a6cee591fb04a07a62fbdfce2cc20e508a7a

(this sample)

  
Dropped by
MD5 373659cd873bb12f80c2e8285295773e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ccdf4cdbef558332a41ee0e756ad464608dffbd99c4ec883f2109f1b9f4e40a5
Cape
Cape
https://www.capesandbox.com/analysis/111410/

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