MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138. 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: 9


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

SHA256 hash: becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138
SHA3-384 hash: 4501ae10afcfd19260e3974be585f9b0b84b7cc388af67f946607e9401435cf46a7117442d935ac42e87eabe77d2def2
SHA1 hash: 96a65ec15621c31ca00ed7cdc0aeca68db46fa6d
MD5 hash: 52354fab34b1a3c0706a00fc59004fea
humanhash: kitten-xray-cardinal-angel
File name:WW320 NUTS SALES ORDER.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:112'864 bytes
First seen:2022-03-07 10:00:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:Q1NjcVVnLpPuiyDbCKwse6d9tKITCYnE2FwSbSD:ENeZgGgVvBn9GSbC
Threatray 9'767 similar samples on MalwareBazaar
TLSH T15EB3E054F766D0F2F466093225B76A230EE5BE3294B8512F2B109A5879B33C3961FF07
File icon (PE):PE icon
dhash icon f2aaaaa2a2a2a2aa (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Ordbogslistes5
Issuer:Ordbogslistes5
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-06T16:47:02Z
Valid to:2023-03-06T16:47:02Z
Serial number: 00
Intelligence: 325 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: f27ef43f10a3a3d9dd626f7952336f3788e86647e9506166634b0ba75d9d4823
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WW320-NUTS-SALES-ORDER.tar.lz
Verdict:
No threats detected
Analysis date:
2022-03-07 07:16:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/319b9afd-7bc4-4d77-9d8f-a839d8073c2e

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/247847/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/8458/overview
Behaviour
MalwareBazaar
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.
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5504c886-429d-46e8-acfd-2cf6af2cd254
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951736
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584217 Sample: WW320 NUTS SALES ORDER.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 46 micheal3m.hopto.org 2->46 48 excel.bond 2->48 50 2 other IPs or domains 2->50 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Antivirus detection for URL or domain 2->60 62 6 other signatures 2->62 8 WW320 NUTS SALES ORDER.exe 2 19 2->8         started        12 wscript.exe 2->12         started        14 wscript.exe 2->14         started        signatures3 process4 file5 38 C:\Users\user\AppData\Local\...\System.dll, PE32 8->38 dropped 64 Creates autostart registry keys with suspicious values (likely registry only malware) 8->64 66 Tries to detect Any.run 8->66 68 Hides threads from debuggers 8->68 16 WW320 NUTS SALES ORDER.exe 10 8->16         started        21 GEARSKIFTERNES.exe 18 12->21         started        23 GEARSKIFTERNES.exe 18 14->23         started        signatures6 process7 dnsIp8 40 micheal3m.hopto.org 23.105.131.236, 3636, 49783, 49784 LEASEWEB-USA-NYC-11US United States 16->40 42 excel.bond 172.67.187.204, 443, 49781 CLOUDFLARENETUS United States 16->42 44 2 other IPs or domains 16->44 30 C:\Users\user\AppData\...behaviorgraphEARSKIFTERNES.exe, PE32 16->30 dropped 32 C:\Users\user\AppData\...behaviorgraphEARSKIFTERNES.vbs, ASCII 16->32 dropped 34 C:\Users\user\AppData\Local\...\System.dll, PE32 21->34 dropped 52 Tries to detect Any.run 21->52 54 Hides threads from debuggers 21->54 25 GEARSKIFTERNES.exe 7 21->25         started        36 C:\Users\user\AppData\Local\...\System.dll, PE32 23->36 dropped 28 GEARSKIFTERNES.exe 7 23->28         started        file9 signatures10 process11 signatures12 70 Tries to detect Any.run 25->70 72 Hides threads from debuggers 25->72
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 10:01:09 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x3fzznecr6akhp7lzumptyrnjtbhkas5bhx65qgoeaj5qbnmwe4a._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
1fed413e1cf6bf9886f077ac4ebe4c86b566917bf3b0cd806805acbb89b27558
GuLoader
88a56adfda71155cd315c64ca5ab176120f7d74369cc752cb63ee6a00f90e736
GuLoader
892ef7a1974f417377e4b50358b42c68248a4f4c1f393328421ad48e73861640
GuLoader
99f100122f5280ac44bc01f3bb7df9d3bd69681335e5f50d4ddfeca6e8ac3cb1
GuLoader
b57d7de33914f91073e29ac243cc026716b4b4a2ffd3ad9235e407c73fdb4be8
GuLoader
e23540742dd2b2813b852d1e8d6ea5ff3ee10063528563fb89587e61e8f7439f
GuLoader
+ 9'757 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader persistence
Link:
https://tria.ge/reports/220307-l175safhaq/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Loads dropped DLL
Downloads MZ/PE file
Guloader,Cloudeye
Unpacked files
SH256 hash:
becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138
MD5 hash:
52354fab34b1a3c0706a00fc59004fea
SHA1 hash:
96a65ec15621c31ca00ed7cdc0aeca68db46fa6d
Link:
https://www.unpac.me/results/84b3e6b5-f82a-404b-a69a-d09971791ffd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138

File information

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

Malspam

GuLoader

Executable exe becb9cb4828f80a3bfebcd18f9e22d4cc275025d09efeec0ce2013d805acb138

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/247847/

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