MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5
SHA3-384 hash: a1456926368440658a6fd41e1edef993570e86f552ec4acb910cb394592113355844802ac78cf88267fdc46fd8508150
SHA1 hash: 0d364744682ce1af05633b93f63e6e68144b8e34
MD5 hash: 796a089c0f96b3c84f4673d50c0244f8
humanhash: mango-wisconsin-dakota-monkey
File name:RFQ20230821_Commercial list.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:320'904 bytes
First seen:2023-08-21 11:43:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:UQ606xi78U28gnnr3e9HUhkPJh68BcWowDkkh5/mV5BI/z+SWnexSHDWUviCd2Es:v7858gr3S0hkPJh68BswDkkhtmVcceAu
Threatray 1'902 similar samples on MalwareBazaar
TLSH T1E46412518651C18BC5B3A7B113F59A73EFB3D92420F60B430F90ADD97C6A3C5BA0D5A8
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 f1c0c68e8c98fc70 (3 x GuLoader, 3 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-21T02:41:04Z
Valid to:2026-05-20T02:41:04Z
Serial number: 23d527048ec52a3c6abeb1b74a30663f37967057
Thumbprint Algorithm:SHA256
Thumbprint: 3a1239615f240cc52db77934a699ac2b5b18d79e2b2503d892e55e534d64b3a8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
RFQ20230821_Commercial list.exe
Verdict:
Malicious activity
Analysis date:
2023-08-21 08:45:28 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/a827f055-8c1d-4f4c-b09c-516dc0d8e5d2

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/443945/
Detection(s):
SecuriteInfo.com.FileRepMalware.12143.12031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/108212/overview
Behaviour
MalwareBazaar
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5
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/16510ee8-f84b-4475-9bbe-39e85b2f544a
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1294449
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 1294449 Sample: RFQ20230821_Commercial_list.exe Startdate: 21/08/2023 Architecture: WINDOWS Score: 100 61 www.zxwl.team 2->61 63 www.visionaryglobalconsulting.com 2->63 65 28 other IPs or domains 2->65 91 Snort IDS alert for network traffic 2->91 93 Found malware configuration 2->93 95 Malicious sample detected (through community Yara rule) 2->95 97 10 other signatures 2->97 11 RFQ20230821_Commercial_list.exe 2 29 2->11         started        signatures3 process4 file5 59 C:\Users\user\AppData\Local\...\System.dll, PE32 11->59 dropped 113 Tries to detect Any.run 11->113 15 RFQ20230821_Commercial_list.exe 6 11->15         started        signatures6 process7 dnsIp8 75 googlehosted.l.googleusercontent.com 142.250.186.129, 443, 49945 GOOGLEUS United States 15->75 77 drive.google.com 142.250.186.46, 443, 49944 GOOGLEUS United States 15->77 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Tries to detect Any.run 15->81 83 Maps a DLL or memory area into another process 15->83 85 2 other signatures 15->85 19 explorer.exe 10 8 15->19 injected signatures9 process10 dnsIp11 67 www.rtuakl.xyz 203.161.56.237, 49960, 80 VNPT-AS-VNVNPTCorpVN Malaysia 19->67 69 www.ngbjf.cyou 91.195.240.123, 49961, 49962, 80 SEDO-ASDE Germany 19->69 71 12 other IPs or domains 19->71 51 C:\Users\user\AppData\Local\...\mfcvtx4bx.exe, PE32 19->51 dropped 99 System process connects to network (likely due to code injection or exploit) 19->99 101 Benign windows process drops PE files 19->101 24 wscript.exe 1 18 19->24         started        28 mfcvtx4bx.exe 23 19->28         started        30 autochk.exe 19->30         started        file12 signatures13 process14 file15 53 C:\Users\user\AppData\...\506logrv.ini, data 24->53 dropped 55 C:\Users\user\AppData\...\506logri.ini, data 24->55 dropped 103 Detected FormBook malware 24->103 105 Tries to steal Mail credentials (via file / registry access) 24->105 107 Tries to harvest and steal browser information (history, passwords, etc) 24->107 111 4 other signatures 24->111 32 cmd.exe 2 24->32         started        36 firefox.exe 1 24->36         started        38 cmd.exe 1 24->38         started        57 C:\Users\user\AppData\Local\...\System.dll, PE32 28->57 dropped 109 Tries to detect Any.run 28->109 40 mfcvtx4bx.exe 6 28->40         started        signatures16 process17 dnsIp18 47 C:\Users\user\AppData\Local\Temp\DB1, SQLite 32->47 dropped 87 Tries to harvest and steal browser information (history, passwords, etc) 32->87 43 conhost.exe 32->43         started        49 C:\Users\user\AppData\...\506logrf.ini, data 36->49 dropped 45 conhost.exe 38->45         started        73 142.250.186.78, 443, 49964 GOOGLEUS United States 40->73 89 Tries to detect Any.run 40->89 file19 signatures20 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-21 01:14:07 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qytfzy4rezsu6z5fzcgu7xxvdp2qj4vxemrlck6hhyoabbytaxsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
1318b406aebb8aaa85c86870409f2ea28dc40898afc2fc9ec84a9033f54541d9
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210d5b19dfc3dff919ba6ed4d76d2aa8becc988dabcca66b247d05c51811434b
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3e86387adbdd180e176ef1f444d80ce89ef89155e5fc41c6637c6ebb26c7f5f5
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4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2
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913b4c5b56c9810727dd256451bfc8e687905102bd503ec814bc26baef7dec13
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a3a232eeba1fafa7da4d19cfa4a0dc02b593009499d17a1bac279a8d93c0663d
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ab81345f141fa4d777d142a4f8367c53e9840897bc2b4c3299a4f6696a46296d
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be0791f3e56382436345ae0413249be5e66c0a593afc1c83ab57d8bbae61d4ba
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bedb5ef007caf41eb52f0331f1fdf5997271a828df7adb1e1132063129eba99e
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c22f7e6ed2e27a1863b7bf519f4254afafeffc69cadbee3ff2eadd3b3ed36492
GuLoader
+ 1'892 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:fg83 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230821-nv5htaed3x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/1561c64a-9b6b-42bb-b24f-29314eb1f9e9/
SH256 hash:
86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5
MD5 hash:
796a089c0f96b3c84f4673d50c0244f8
SHA1 hash:
0d364744682ce1af05633b93f63e6e68144b8e34
Link:
https://www.unpac.me/results/1561c64a-9b6b-42bb-b24f-29314eb1f9e9/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/86265ce39126/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/86265ce39126654f67a5c88d4fdef51bf504f2b72322b12bc73e1c00871305e5

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:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/443945/

Comments