MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27901356eb5538b402d917cbae797df863ec26c24f8d3126d0aa90ddd3cc7707. 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

GuLoader

Vendor detections: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	27901356eb5538b402d917cbae797df863ec26c24f8d3126d0aa90ddd3cc7707
SHA3-384 hash:	4224afd3d5bdf435e428a6fae8ec8dd271f2f9693381ac28c015d4787fbb5e908c1913fda09e3df905d639bb86a8b7d7
SHA1 hash:	569f9c9caf3e5000cad21caaecd8a676fa4a5a5a
MD5 hash:	81a4e7b242a1e38a0023dca07d814f84
humanhash:	saturn-golf-sad-hamper
File name:	PP02267.exe
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	266'240 bytes
First seen:	2020-11-07 10:16:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1951a807074703d14a23d80306a01e62 (1 x GuLoader)
ssdeep	6144:HIFAkzL7r9r/EDppppppppppppppppppppppppppppp0G:HSP7r9r/+ppppppppppppppppppppppJ
Threatray	3'059 similar samples on MalwareBazaar
TLSH	D6441AB1E5C565A0DD59AB706A36CD354E237DBFAC34941C28DE3EE73BBB2923025012
Reporter	abuse_ch
Tags:	exe GuLoader

abuse_ch

Malspam distributing unidentified malware:

HELO: mail.fpcci.org.pk
Sending IP: 124.29.202.181
From: Karen Domingue <kdomingue@airmax.ca>
Reply-To: Karen Domingue <011teknew@gmail.com>
Subject: New purchase order PP02267
Attachment: PP02267.rar (contains "PP02267.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

196

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Variant.Bulz.176449.20132.5887.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

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:

AgentTesla GuLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/523758

Signature

Contains functionality to hide a thread from the debugger

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Hides threads from debuggers

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Multi AV Scanner detection for submitted file

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Tries to detect Any.run

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect virtualization through RDTSC time measurements

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected GuLoader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/27901356eb5538b402d917cbae797df863ec26c24f8d3126d0aa90ddd3cc7707/

Threat name:

Win32.Infostealer.PonyStealer

Status:

Malicious

First seen:

2020-11-06 08:53:40 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6ibgvxlku4liawzc7f246l57br6yjwcj6gtcjwqvkin3u6mo4dq._file

Verdict:

suspicious

GuLoader

13c555d2bc29bc384b7c496c0aefadfbe38d7b415e11c43bdbcfdf702062d1f3

GuLoader

3c03c5f80df2762d336347192bcb146bd837550b208bab90b0e81d481d7e3506

GuLoader

496686996582107344665c0b6eb4e7c7efe6f56f4d0a5d33e5b635bcb95a5926

GuLoader

775188796115cd4ed9c6a6782ac0e2512c0759616395fc0e6193e63850adb4e0

GuLoader

96e931e07df1c012d0b7d4af91eaf2e57da055de9b8fabc499992470555ada5a

GuLoader

9d545cae8b73e11800aaf794b2919bb8972511e4e217eaf1a51c3f38c17bb412

GuLoader

c61ff47c382b7819f475a74693395a56e30741d2d126d0e7212d1ffc42814d57

GuLoader

c9f5530468fde1d7a198bc7dd5a43c390b234f10649dcdbdc25890c0563d4691

GuLoader

f18e31ee1b4c8d1561cfce6bafa731020f5838566393728d1c0de1cbde333ef6

GuLoader

+ 3'049 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/201107-jtt6z8p4aa/

Behaviour

Suspicious use of SetWindowsHookEx

Unpacked files

SH256 hash:

27901356eb5538b402d917cbae797df863ec26c24f8d3126d0aa90ddd3cc7707

MD5 hash:

81a4e7b242a1e38a0023dca07d814f84

SHA1 hash:

569f9c9caf3e5000cad21caaecd8a676fa4a5a5a

Detections:

win_cannon_auto

Link:

https://www.unpac.me/results/bf000fb9-c0ea-438e-8b3e-ccfd438b1937/

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:	win_cannon_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator