MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57
SHA3-384 hash: 023cc7b6643b523830efcc442e0bf444ac95f7b52987753eb0666bb2d57bdb2bf848c7f6a410467253bd3640aae75992
SHA1 hash: 6473b450174907216832b6a59c56e3ad65dd5ede
MD5 hash: 87f464c47591f698e28c9356315d18ba
humanhash: venus-mississippi-skylark-high
File name:rE-dekont_pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:302'664 bytes
First seen:2023-04-10 12:16:33 UTC
Last seen:2023-04-11 06:52:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:thtyHU2zOIngdEqGLpl4jxNlsEID49SrJz3PcF3qkQ841OJ1zHsUWw5LKm:th4z3aXrjRsEk49sPzkQ841Mlx5mm
Threatray 1'200 similar samples on MalwareBazaar
TLSH T1385412513560D527EAE308321D72AD337CBDE64A19A8438703A40F9A7E632D17D2F767
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:2022-10-08T07:43:13Z
Valid to:2025-10-07T07:43:13Z
Serial number: 2e4ff2cd5e2aa261b6eb91049d49df49a38a6f28
Thumbprint Algorithm:SHA256
Thumbprint: b844880a464f9c4db2ef02a4ee6dba01346d630ee8f563bbffc8d4a0a3f265ed
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rE-dekont_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-10 12:18:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/512ec62c-d746-48a3-8376-4a9502fd8948

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/381192/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.6072.8405.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Creating a file in the %AppData% directory
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77224/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6433fe3ec064c538e1b33244/reports/916f0654-2410-49b9-9278-95736b8875ac/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57
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/765e6c33-aeff-4d9c-be41-c1c3a38d48b2
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211073
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 843989 Sample: rE-dekont_pdf.exe Startdate: 10/04/2023 Architecture: WINDOWS Score: 100 32 www.xqan.net 2->32 34 www.textare.net 2->34 36 25 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 7 other signatures 2->60 11 rE-dekont_pdf.exe 2 53 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 rE-dekont_pdf.exe 6 11->15         started        signatures6 process7 dnsIp8 44 34.138.169.8, 49861, 80 ATGS-MMD-ASUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 3 1 15->19 injected signatures9 process10 dnsIp11 38 www.furniture-42269.com 185.53.179.90, 49873, 80 TEAMINTERNET-ASDE Germany 19->38 40 www.bestpetfinds.com 112.196.98.174, 49901, 80 QTLTELECOM-AS-APQuadrantTeleventuresLimitedIN India 19->40 42 15 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 cmmon32.exe 12 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-10 07:55:00 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bvvnrkjbywsl3w2r2vv3osleephlnglfe3me77zv6wk63aijhjlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
02033ee5f18dc5c14cca3e808111693ff1b41d8d705268ae55e86251fe6bcc8b
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23473106e8e2e1add3756ee0e4101095710b9663791f57e026e08f99218077ff
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5a2e7eb559e1d587d537ff0033d00fb27f7e17bf0c2a5db6bb3842b9e2fa9972
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7a9c39d98ace102b6fa94aafaa6bd652b17b247da09bee12e84fca6302b08e19
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b3779eff9ed2b1a0b2a980e760ce677e9fc158876691ba72da0a809bb73b51f8
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c3108377ae1619d8bda54869024bd8d1d03c62d5c7b4fe9ab25d5cd6447288d0
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d1798c288b296009d8049ca5364b29b079d59fadc870af65e92fe5fa23bdcec5
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db399100d63fa87dbc5d6596d2c44749c0cee86ea45d7e81206277c9cdacb9f1
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f548590defc2ccbe24f628129535444295460ede5f719adb540cf1a67bcae839
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f6ddc63173d134db79db880c7f5b338987f31ddd36cfcb27cf15e3bb08a507bb
GuLoader
+ 1'190 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:mi94 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230410-pf13hshc86/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
2733941cbd8524edd5d4d931597f735950d8dc20ac4d40c488426369f7c0365a
MD5 hash:
a41fd1eb8a7d13f09b674ee4e465999f
SHA1 hash:
69b1a6a5b2b8008d72a8f6a6e107374127994b42
Link:
https://www.unpac.me/results/c41f7a81-47a3-48f1-bdb2-c7ce11cbc714/
SH256 hash:
0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57
MD5 hash:
87f464c47591f698e28c9356315d18ba
SHA1 hash:
6473b450174907216832b6a59c56e3ad65dd5ede
Link:
https://www.unpac.me/results/c41f7a81-47a3-48f1-bdb2-c7ce11cbc714/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0d6ad8a921c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.19
Link:
https://yomi.yoroi.company/submissions/0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GuLoader

Executable exe 0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381192/

Comments