MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c781759c1c14f87be96d1f5e8cb4402c77cd6eae0a60a3a0d4ba1732319bb01. 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

SHA256 hash:	8c781759c1c14f87be96d1f5e8cb4402c77cd6eae0a60a3a0d4ba1732319bb01
SHA3-384 hash:	0432cb1112c27ef65a8b59db760b712956fe35ad4faaa96e149579153bc1b31c89bde1b9e51add46f204b784d38bace7
SHA1 hash:	b52671257448fcddccbefe4dedc3f3b43d41ff5c
MD5 hash:	a633139bc6a3ed3817891d47db375b82
humanhash:	king-jersey-washington-berlin
File name:	PJNALWL5.EXE
Download:	download sample
Signature	MassLogger Create hunting rule
File size:	985'600 bytes
First seen:	2020-11-18 16:30:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	24576:S423goIZd9XUCW7ZwUjhCj1WO/kAksiKQEJFxqOH:S4RoIPRjW7ZwUjhWWOcAksdFxNH
Threatray	533 similar samples on MalwareBazaar
TLSH	C6250131277C6FBAE07EDBBD9120110053F2ED26C332DA2B7EB4F1D21155B458A72A5A
Reporter	cocaman
Tags:	exe MassLogger

Intelligence

File Origin

# of uploads :

# of downloads :

120

Origin country :

n/a

Vendor Threat Intelligence

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Creating a file

DNS request

Connection attempt

Launching a process

Result

Verdict:

MALICIOUS

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

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/541533

Signature

Adds a directory exclusion to Windows Defender

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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/8c781759c1c14f87be96d1f5e8cb4402c77cd6eae0a60a3a0d4ba1732319bb01/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-11-18 16:33:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rr4bowobyfhyppuw2h26rs2ealdxzvxk4ctauoqnjoqxgiyzxmaq._file

Verdict:

malicious

Label(s):

masslogger

MassLogger

116ea34f9e2aba532b39a48d0612f43632afea0039478a6d522e5f9c66141c1b

MassLogger

1a9a0333c8c544cdf43f51eaa895169513c27bdb818f42bb301d476ac1330672

MassLogger

322cdafdbecbb10cebb964011c87d6c5fff3951cf2b71fe3cf9e92636ade84b6

MassLogger

604ba7cdc57afe861bba16c1b768428632b09bde9b4b7bef1a74f52175c14071

MassLogger

9c4a2d8473718bdb1725450b6f0567098006b9aa89fbd913acab1bab0857143d

MassLogger

b136291a17e064dd9d44cc454556980107d96da2a0adb1a31eb2db3531b6832a

MassLogger

b515db56b7c63191b19befe748f7af7f00d08623029e8856c86fc46362fbed9f

MassLogger

be978699739f217bd2d71f769d8f16ba1a90c519fd10f19475d4e040f9e7c05c

MassLogger

d6b834570825a606942ff096f5ad3df33f58082be5a68bab447bc9af4b114e95

MassLogger

+ 523 additional samples on MalwareBazaar

Result

Malware family:

masslogger

Score:

10/10

Tags:

family:masslogger spyware stealer

Link:

https://tria.ge/reports/201118-chm9wbhvye/

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:

8c781759c1c14f87be96d1f5e8cb4402c77cd6eae0a60a3a0d4ba1732319bb01

MD5 hash:

a633139bc6a3ed3817891d47db375b82

SHA1 hash:

b52671257448fcddccbefe4dedc3f3b43d41ff5c

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

SH256 hash:

c435ea9c707e27a3ab167a8f53b068cb14e9f6354405589d3913b29d00ea4c2f

MD5 hash:

53a9976fa24b1f7fdf5371e2a1dca907

SHA1 hash:

05517f396b0d548db5658c60825ca0dc9abdc1a1

Detections:

win_masslogger_w0

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

Parent samples :
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SH256 hash:

c8671a87d685f2354d96f3cfcad530dfa5f3ec535a0f5ec14940d81fb857813b

MD5 hash:

b5358f677850210361f573c7d249c258

SHA1 hash:

215e06e319515d779efa88f7c05b343d6ec3f6a5

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

SH256 hash:

c6fcf5d515d56cf746b4c4aa4695f11e9ad7f6063a96cda810bf39dc47c5a7a0

MD5 hash:

47509d9db24c975e55c287afdc459fad

SHA1 hash:

4f1f893555c985d7cbba731cf1fdbf49c6ecf793

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

SH256 hash:

7e00421ed23d57d9efdf5280007c8f0e5fdd24e0bf75db263758e49d5ea420f4

MD5 hash:

17cf8bc4ad2013ea7871b61813082de4

SHA1 hash:

6e9a15f445bf4726db76c5463907d4217d0e404c

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

SH256 hash:

383ba5bfdd2b971166c0d7edb70879a7fb0b90e82b3202dd9f66eaa5a37a9b6c

MD5 hash:

7c7e4302caa0281568bba98aa8cdaf56

SHA1 hash:

8223ce465c6f47937f061e4910183918c122f3c9

Link:

https://www.unpac.me/results/7abcd78f-7b08-4914-a142-de83ea389420/

Please note that we are no longer able to provide a coverage score for Virus Total.

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