MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c
SHA3-384 hash: 80ce24ee0ab26d6110f2158ec7e7bc3c496ca05cb34fd0796d4e6edb83b6e85305129d66aab6812a76a9da2489eaf1fb
SHA1 hash: 7ca98b35333ba53f4a4bf27d1f2e21f01cab117e
MD5 hash: 9e991025a92ccbe69abe8712f711807d
humanhash: mango-winner-arizona-hawaii
File name:rHovednringsvejene.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:140'880 bytes
First seen:2023-04-03 11:59:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 3072:jqTUdySBaLvYzIf/MtcBEb6Pltfj5lgJhE1SOg3/OtBYVNWEjvj2j:jkyacbREr5laE1c3mtmNW
Threatray 1'616 similar samples on MalwareBazaar
TLSH T13DD3F111BFD4C05BE6D34F324D7AC73AD3B57A101839520F2BA46E62BE31B479A19293
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-13T08:18:55Z
Valid to:2026-01-12T08:18:55Z
Serial number: 0cf792e99f4e7b379b33415bb9ffcf8d4466611b
Thumbprint Algorithm:SHA256
Thumbprint: e0722ed295328834608aec296e9251c801e579b13bdc6232cac8cf22749a8384
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rHovednringsvejene.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 12:01:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/391cdeea-8b6f-4424-8c12-cb5006dd82c7

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/379586/
Detection(s):
SecuriteInfo.com.FileRepMalware.9535.26818.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642abf8aed00d3450f74bc97/reports/35ec418d-c293-403f-bf01-d68f3b9c3fe8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c
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/87a2dd2f-f548-4f37-b13f-20493d6fb8ba
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1207007
Signature
Antivirus detection for URL or domain
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
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: 839924 Sample: rHovednringsvejene.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 32 www.toplegalserves.com 2->32 34 www.tecture.life 2->34 36 26 other IPs or domains 2->36 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 3 other signatures 2->62 11 rHovednringsvejene.exe 1 28 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 74 Tries to detect Any.run 11->74 76 Hides threads from debuggers 11->76 15 rHovednringsvejene.exe 6 11->15         started        signatures6 process7 dnsIp8 44 googlehosted.l.googleusercontent.com 142.250.186.129, 443, 49795 GOOGLEUS United States 15->44 46 drive.google.com 172.217.23.110, 443, 49794 GOOGLEUS United States 15->46 48 Modifies the context of a thread in another process (thread injection) 15->48 50 Tries to detect Any.run 15->50 52 Maps a DLL or memory area into another process 15->52 54 3 other signatures 15->54 19 explorer.exe 3 1 15->19 injected signatures9 process10 dnsIp11 38 fartbartbox.site 31.22.4.6, 49807, 49866, 49868 WILDCARD-ASWildcardUKLimitedGB United Kingdom 19->38 40 www.cactus-market.ru 91.189.114.29, 49844, 49845, 49846 RU-CENTERRU Russian Federation 19->40 42 13 other IPs or domains 19->42 64 System process connects to network (likely due to code injection or exploit) 19->64 23 cmd.exe 13 19->23         started        signatures12 process13 signatures14 66 Tries to steal Mail credentials (via file / registry access) 23->66 68 Tries to harvest and steal browser information (history, passwords, etc) 23->68 70 Writes to foreign memory regions 23->70 72 3 other signatures 23->72 26 firefox.exe 23->26         started        process15 process16 28 WerFault.exe 4 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-04-03 09:01:32 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjhxyqxau2r2jkkynd6clekam5hdtvvsbd664afnhr3syd6zzoga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
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4873abac800f1c2594fdf8802b84ecfbdb7e704c0d46ff5edf66f46ec7a692e7
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597979053a51f37ffa0cbeb1847f707b2dd3b3cdbcc5c0a5e66a1f15b5419b8e
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5d163e55bd7c46b256aa7c5e93496781c83622bfd5deb0ccafb18c0f88d7e748
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913b4c5b56c9810727dd256451bfc8e687905102bd503ec814bc26baef7dec13
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a97aa6604d2ad5146a8ef252e571d4b0c1e2ee8566964be8086532ef049b10d4
GuLoader
d69b13f1276594f9f10cf722a15179b0d71911a92d15a726e1bdd234a880cf92
GuLoader
e4a8a88bffaf744487df4bfd56f975542f59efb4aabe037f2ce5baea61875f98
GuLoader
f3197cca74f60c552d9d3b4d04d99996ceca8c8dc6ad845a468c10c65062a0fc
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f79a020cedb43bbd1f4948a2566d081fed934d56f871741d2548f792e8800e7b
GuLoader
+ 1'606 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230403-n5rdyaga5v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/bc4c99f2-53d7-4800-a03f-ad9e98425c42/
SH256 hash:
b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c
MD5 hash:
9e991025a92ccbe69abe8712f711807d
SHA1 hash:
7ca98b35333ba53f4a4bf27d1f2e21f01cab117e
Link:
https://www.unpac.me/results/bc4c99f2-53d7-4800-a03f-ad9e98425c42/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b24f7c42e0a6/report/overview.html
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information

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

Malspam

GuLoader

Executable exe b24f7c42e0a6a3a4a95868fc259140674e39d6b208fdee00ad3c772c0fd9cb8c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/379586/

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