MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 941401b8cc0345e99b5366597242c44f064794bd238938d647b0bc3ffa99277e. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 941401b8cc0345e99b5366597242c44f064794bd238938d647b0bc3ffa99277e
SHA3-384 hash: 26d717d023bea881f0b65f5f50788e8df2b5be6f121cdbfa76ebfdf2aa166ab8dfde82ad3104e4532e06b2f5c08e8b3d
SHA1 hash: 661b8054400f4c07a55dbfb6a63176bf07902ea0
MD5 hash: d782073248fad33f6bb618a06656179c
humanhash: harry-four-connecticut-foxtrot
File name:SecuriteInfo.com.Win32.Malware-gen.21488
Download: download sample
Signature MassLogger
Create hunting rule
File size:618'368 bytes
First seen:2022-09-13 05:43:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:l0LPjok8q2BrCq379Txwj3Z5yUpFQYC+32HvGe0oCRpCK2nbihGE0Gj7w:KUswTx0J5CYCgQN0HQ3bT
TLSH T128D4F1DC722572DFC85BC4369EA85D74EA6034BB931B020790671AAE9E4CA97CF140F7
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.Malware-gen.21488
Verdict:
Malicious activity
Analysis date:
2022-09-13 05:44:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca5ec8d3-78f6-4cf1-b4c5-02d1c9da955e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309560/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.21488.UNOFFICIAL
Create hunting rule

PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/632018a3a90642bcbb0a79da/reports/1a0d8dca-87e7-44a7-985a-31a875e7c19c/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80bab9e2-d116-447b-944e-d7a2ab661a83
Result
Threat name:
AsyncRAT, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069222
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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
PE file contains section with special chars
PE file has nameless sections
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 / registry access)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/941401b8cc0345e99b5366597242c44f064794bd238938d647b0bc3ffa99277e/
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 02:25:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sqkadogmanc6tg2tmzmxeqwej4depff5eoetrvshwc6d76uze57a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
masslogger
Create hunting rule
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger spyware stealer
Link:
https://tria.ge/reports/220913-ge513segc3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
MassLogger
MassLogger Main payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c3334f27-2241-4897-ac24-aaf33d20418e
Unpacked files
SH256 hash:
06452df1cf01bf0353c7c21b8037ea031a52bdd5e6465c142df08de0a7db4f4d
MD5 hash:
5f8fbef9f8ee517e375115e815f6dc3e
SHA1 hash:
dcd0b9b84f6ec209f178f4c8fe0439fe78c1c7ee
Link:
https://www.unpac.me/results/cb1b0110-5882-4df9-b03b-4776b88704c7/
SH256 hash:
7187a6d2980e3696396c4fbce939eeeb3733b6afdf2e859a385f8d6b29e8cebc
MD5 hash:
3c05e9000f006c7f1549153e7b54e74c
SHA1 hash:
b6ca7834020470508a9c205d57621d2a2d025d02
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/cb1b0110-5882-4df9-b03b-4776b88704c7/
Parent samples :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 hash:
a77aef4ff5b69f8a40c6c65384f649c330b70b2f4ed5ca2ce5168a7917b69a3f
MD5 hash:
756f7f28ec1bcd6bb787ab3e947a10ab
SHA1 hash:
4ba236997ade9fbff1e39f4f7dee522a11c60826
Link:
https://www.unpac.me/results/cb1b0110-5882-4df9-b03b-4776b88704c7/
SH256 hash:
941401b8cc0345e99b5366597242c44f064794bd238938d647b0bc3ffa99277e
MD5 hash:
d782073248fad33f6bb618a06656179c
SHA1 hash:
661b8054400f4c07a55dbfb6a63176bf07902ea0
Link:
https://www.unpac.me/results/cb1b0110-5882-4df9-b03b-4776b88704c7/
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/941401b8cc03/report/overview.html
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/941401b8cc0345e99b5366597242c44f064794bd238938d647b0bc3ffa99277e

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
Rule name:MassLogger
Create hunting rule
Author:kevoreilly
Description:MassLogger
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:pe_imphash
Create hunting rule
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:Quasar_RAT_1_RID2B54
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/309560/

Comments