MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2
SHA3-384 hash: 9f57f79ec7836f1291caff5899e66621768fb37b9151cafa720934bc779bad347e38557da86c0560621bbb0e0cf4913a
SHA1 hash: e6c9464a90e75654e344c75bf07cde093c922c04
MD5 hash: 6fc9ef7d1c035b3073e0fee849609695
humanhash: music-cup-bacon-delaware
File name:Technical Offer.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:379'466 bytes
First seen:2023-12-04 09:26:08 UTC
Last seen:2023-12-04 11:22:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (548 x GuLoader, 117 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:6Q606xNlmkDngv/vWgdpBaw/wl5AFJ644wimH+fi9FxIjCfAWmyTdRN:UFLgH+m7F/c2xiomi9FbfAWmyTd
TLSH T1C684F12E3694C0E6F48C83F52B369B0B15DEAC476142151A37717BB8AF39683CA1F5C4
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8883b69d19c6c3c0 (38 x GuLoader, 6 x RemcosRAT, 6 x VIPKeylogger)
Reporter abuse_ch
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462319/
Detection(s):
SecuriteInfo.com.FileRepMalware.22485.31426.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/656d9b6bfb43e835e6bd82ec/reports/795fb513-b196-47c2-8c27-2e1c465fb75e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2
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/47972eff-edd3-449b-b7ea-7443669faaa1
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353026
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353026 Sample: Technical_Offer.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 31 www.oceanicpulsetek.xyz 2->31 33 www.opleverdossier.online 2->33 35 22 other IPs or domains 2->35 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 55 2 other signatures 2->55 10 Technical_Offer.exe 16 62 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 31->53 process4 file5 27 C:\Users\user\AppData\Local\...\System.dll, PE32 10->27 dropped 29 C:\Users\user\AppData\Local\...\LangDLL.dll, PE32 10->29 dropped 13 Technical_Offer.exe 6 10->13         started        process6 dnsIp7 43 drive.google.com 142.251.40.174, 443, 49744 GOOGLEUS United States 13->43 45 googlehosted.l.googleusercontent.com 142.251.40.97, 443, 49745 GOOGLEUS United States 13->45 65 Maps a DLL or memory area into another process 13->65 17 XppreOrkBTWuHcFqgIHLFHALmRYy.exe 13->17 injected signatures8 process9 process10 19 SearchIndexer.exe 13 17->19         started        signatures11 57 Tries to steal Mail credentials (via file / registry access) 19->57 59 Tries to harvest and steal browser information (history, passwords, etc) 19->59 61 Writes to foreign memory regions 19->61 63 3 other signatures 19->63 22 XppreOrkBTWuHcFqgIHLFHALmRYy.exe 19->22 injected 25 firefox.exe 19->25         started        process12 dnsIp13 37 www.oceanicpulsetek.xyz 198.177.123.106, 49778, 49779, 49780 FINALFRONTIERVG United States 22->37 39 www.nobamo.com 37.9.175.187, 49782, 49783, 49784 WEBSUPPORT-SRO-SK-ASSK Slovakia (SLOVAK Republic) 22->39 41 14 other IPs or domains 22->41
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 12:23:04 UTC
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvah4ckh7xthrvvlydmox6lmgusau5dhw3hrgr7mpgahfvhtspra._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/231204-ler7faac5y/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
5bee24fef5c0f643adc7ee02ccb6e80a72a4eb30d9d326023ac03f0ffbc4e624
MD5 hash:
376c1b784a3cca9d10ba4ca5d8cb55d2
SHA1 hash:
ad12f8ebab5b4b58eb7d5368469e82e2442b089f
Link:
https://www.unpac.me/results/f1ae5630-dcbe-4731-ae0a-787cc135c4c6/
SH256 hash:
2b2ab70315eae87321fb463db705bad4ace160e4d545635cef228fb20d0a6e9e
MD5 hash:
9e2050096837f2090304848f3730d54c
SHA1 hash:
5f44d21ba3658700c2708d050fac40d357544d62
Link:
https://www.unpac.me/results/f1ae5630-dcbe-4731-ae0a-787cc135c4c6/
SH256 hash:
85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2
MD5 hash:
6fc9ef7d1c035b3073e0fee849609695
SHA1 hash:
e6c9464a90e75654e344c75bf07cde093c922c04
Link:
https://www.unpac.me/results/f1ae5630-dcbe-4731-ae0a-787cc135c4c6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2

File information

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

Malspam

GuLoader

Executable exe 85407e0947fde678d6abc0d8ebf96c35240a7467b6cf1347ec798072d4f393e2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462319/

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