MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae. 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: 78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae
SHA3-384 hash: 8dee226dcd78580934f86f2ac37205386b20e00ef2200900544658c0a39ba820a9002187a48f6e8024b10e08ceca1706
SHA1 hash: 4a0c9b300f8feb00c6014a821a2232ddc2b84654
MD5 hash: 2f1489e4b8523628f67bf53b68be86fa
humanhash: sodium-ten-cold-steak
File name:Richiesta preventivi 28·03·2022·pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:98'024 bytes
First seen:2022-03-28 06:41:28 UTC
Last seen:2022-03-28 10:23:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 1536:ymsAYBdTU9fEAIS2PEtu7YOOAPbn0tcatGXXzIyPlqYzHhaCE+uSrRZ0/sNKtuK3:BfY/TU9fE9PEtu7YOOAPb0uaEXXzISdG
Threatray 1'790 similar samples on MalwareBazaar
TLSH T19BA3E1516BA4D877E9724B7018BAEA479EFAE61124F0920F33309758BE37653E50F702
File icon (PE):PE icon
dhash icon d8a6a68c96a29acc (1 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed VACUUMIZES

Code Signing Certificate

Organisation:VACUUMIZES
Issuer:VACUUMIZES
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-28T00:18:06Z
Valid to:2023-03-28T00:18:06Z
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: 22e39bcc9e3ecafce0ab8f2aa4f132e39b37e9faf4d9b0068a53b77588691ea3
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f1489e4b8523628f67bf53b68be86fa.exe
Verdict:
Malicious activity
Analysis date:
2022-03-28 08:23:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3baec4b0-4ffe-4072-8af4-15b286715dd8

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/258416/
Detection(s):
SecuriteInfo.com.Artemis.23159.10111.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11733/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/624158be1f204239483ffb12/reports/5b389084-f6ec-4420-b42c-a7335f5b6995/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0dd8f175-f654-4017-9ad2-7cf7301dcd69
Result
Threat name:
AveMaria GuLoader UACMe
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965541
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to create processes via WMI
Contains functionality to hide user accounts
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates files in alternative data streams (ADS)
Creates processes via WMI
Drops script or batch files to the startup folder
Found malware configuration
Hides threads from debuggers
Increases the number of concurrent connection per server for Internet Explorer
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AveMaria stealer
Yara detected GuLoader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598112 Sample: Richiesta preventivi 28#U00... Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 12 other signatures 2->94 11 Richiesta preventivi 28#U00b703#U00b72022#U00b7pdf.exe 1 20 2->11         started        15 wscript.exe 2->15         started        17 cmd.exe 1 2->17         started        19 WmiPrvSE.exe 2->19         started        process3 file4 76 C:\Users\user\AppData\Local\...\System.dll, PE32 11->76 dropped 118 Creates autostart registry keys with suspicious values (likely registry only malware) 11->118 120 Tries to detect Any.run 11->120 122 Hides threads from debuggers 11->122 21 Richiesta preventivi 28#U00b703#U00b72022#U00b7pdf.exe 4 17 11->21         started        26 Agrote.exe 19 15->26         started        28 WMIC.exe 1 17->28         started        30 conhost.exe 17->30         started        signatures5 process6 dnsIp7 78 2.56.59.198, 49744, 49754, 49755 GBTCLOUDUS Netherlands 21->78 64 C:\Users\user\AppData\Local\...\Agrote.exe, PE32 21->64 dropped 66 C:\ProgramData\images23022022.exe, PE32 21->66 dropped 68 C:\ProgramData:ApplicationData, PE32 21->68 dropped 72 4 other malicious files 21->72 dropped 96 Creates files in alternative data streams (ADS) 21->96 98 Adds a directory exclusion to Windows Defender 21->98 100 Tries to detect Any.run 21->100 102 Increases the number of concurrent connection per server for Internet Explorer 21->102 32 images23022022.exe 19 21->32         started        36 powershell.exe 25 21->36         started        70 C:\Users\user\AppData\Local\...\System.dll, PE32 26->70 dropped 104 Multi AV Scanner detection for dropped file 26->104 106 Hides threads from debuggers 26->106 38 Agrote.exe 26->38         started        108 Creates processes via WMI 28->108 file8 signatures9 process10 dnsIp11 62 C:\Users\user\AppData\Local\...\System.dll, PE32 32->62 dropped 82 Multi AV Scanner detection for dropped file 32->82 84 Tries to detect Any.run 32->84 86 Hides threads from debuggers 32->86 41 images23022022.exe 32->41         started        44 conhost.exe 36->44         started        80 192.168.11.1 unknown unknown 38->80 46 sdclt.exe 38->46         started        48 sdclt.exe 38->48         started        50 sdclt.exe 38->50         started        52 sdclt.exe 38->52         started        file12 signatures13 process14 signatures15 110 Tries to detect Any.run 41->110 112 Hides threads from debuggers 41->112 54 control.exe 46->54         started        process16 process17 56 Agrote.exe 54->56         started        file18 74 C:\Users\user\AppData\Local\...\System.dll, PE32 56->74 dropped 114 Tries to detect Any.run 56->114 116 Hides threads from debuggers 56->116 60 Agrote.exe 56->60         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae/
Threat name:
Win32.Downloader.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-03-28 06:11:49 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
17 of 26 (65.38%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pd4cehiqzjnpevxo7ibxn5k6i2eoaaafgf5lbp5vt5kan6pnc2xa._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
1235559275e785007232e4aee35bd0609d1e52da4900ac8526ff54b592d63c6b
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GuLoader
+ 1'780 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220328-hgb2fschfm/
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
Link:
https://www.unpac.me/results/8a666911-78f6-4403-a883-5ab6bab13f85/
SH256 hash:
78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae
MD5 hash:
2f1489e4b8523628f67bf53b68be86fa
SHA1 hash:
4a0c9b300f8feb00c6014a821a2232ddc2b84654
Link:
https://www.unpac.me/results/8a666911-78f6-4403-a883-5ab6bab13f85/
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/78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae

File information

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

Malspam

GuLoader

Executable exe 78f8221d10ca5af256eefa0376f55e4688e00005317ab0bfb59f5406f9ed16ae

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258416/

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