MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0431eebc3358dda81f73441f9da5ed05218c7c75cf4a333034b7fdb5bc320388. 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: 5


Intelligence 5 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0431eebc3358dda81f73441f9da5ed05218c7c75cf4a333034b7fdb5bc320388
SHA3-384 hash: 3ec69154a007c8552db31dfb88f312fbd67f3540686611d69ade079a5ae92c9bd5a91e899fcc18b55b20d38996f5a2f2
SHA1 hash: 33ecf34e6aa1c0874686928cba0d9c298c8f2607
MD5 hash: 1e21115bebd3848e8c08da444c151c8a
humanhash: lima-uniform-carpet-solar
File name:payment.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'126'400 bytes
First seen:2020-05-12 16:06:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1750e023f449528ba5605dae669dcb09 (8 x AgentTesla, 1 x NetWire, 1 x GuLoader)
ssdeep 24576:HS+Jus51z4J+ea3NAScDA0YGFriQaX3eB:HnoA9BVYriyB
Threatray 11'610 similar samples on MalwareBazaar
TLSH 3F358D26F2924437D172263C9D2B62A55D2BBEC0ED3C65CA7BE40D4C4F392827D352A7
Reporter abuse_ch
Tags:exe GuLoader


Avatar
abuse_ch
Malspam distributing GuLoader:

HELO: mail.icon.bg
Sending IP: 87.246.36.36
From: Intracom Trade Ltd <office.shoumen@intracom.bg>
Subject: RE: Payment.
Attachment: payment.rar (contains "payment.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Adware.Webalta-6862190-0
Create hunting rule

SecuriteInfo.com.Variant.Zusy.303370.25180.3054.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Hploki
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 14:32:16 UTC
File Type:
PE (Exe)
Extracted files:
293
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqy65pbtldo2qh3tiqpz3jpnauqyy7dvz5fdgmbuw763lpbsaoea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
042f3b72dd1f50e1d42935e31c8d8fd1dadd1c623f85440a47aafc29673e09e8
GuLoader
2cec336455cdfced9b9dce27fd111f472b006bf6588bf99265a9197e03dd1d56
GuLoader
441722dd08836654f243e5ab8a27da0a52ac6d1eac0e33c25e81068ce049338c
GuLoader
56ab1237a3aed66ebe3a7464794c1bf41c40596456f92926f6d49e482922ebd1
GuLoader
757207b0f638a3e70800aaa7cb4eda7e207f3641158d4a789d50b231fbe4f136
GuLoader
a9d7b84cfc7fa078466ceade8534942fb80b0acd25ba3f8b848dfc12dc1fae21
GuLoader
c058cf02245572982fa12feaf6a01dd88eea15431222ad17f9490e8463a6b225
GuLoader
d7f11cc278c20baf70df2e5c59d06532b9164e894fcab195d6e5bc69ccf3af70
GuLoader
dabc62571ab7730cebaf8d46beb2765032674b43518f30fb228917570729add4
GuLoader
ffb7e5900b54e63176d167715879bdbe8095ddca59b73239ec8306eacead1a0c
GuLoader
+ 11'600 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201109-1mxn5c8krs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

da3964e59a1e33603771db00d3df9958

GuLoader

Executable exe 0431eebc3358dda81f73441f9da5ed05218c7c75cf4a333034b7fdb5bc320388

(this sample)

  
Dropped by
MD5 da3964e59a1e33603771db00d3df9958
  
Delivery method
Distributed via e-mail attachment

Comments