MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba
SHA3-384 hash: f21cb7982d225d9deb7571e9c98a77e03fcdd3913c914538e0c37abd5714c7e1dff9ddba825773ca862d089d4663ea69
SHA1 hash: 2efe8487ffbed1d8a674713a585ee5f2e9d3d903
MD5 hash: 271da7aee04ba6cdf1aed265341ad9c2
humanhash: april-arkansas-avocado-equal
File name:Halkbank_Ekstre_20191415_081738_949589.pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:617'136 bytes
First seen:2023-04-05 12:58:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:uh+G1bh6ScAKWr/ACC2Is9fRChEa+CeKdY:uh+G1bBnzbjCeShEjsm
Threatray 779 similar samples on MalwareBazaar
TLSH T112D4F10A7C10610ECD6649374C235BE21EB36D3D9DE45A1513BAFE6F88363C67AAD183
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 e070cec884e07889 (5 x GuLoader, 4 x Formbook)
Reporter abuse_ch
Tags:exe geo GuLoader Halkbank signed TUR

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-11-21T07:17:34Z
Valid to:2025-11-20T07:17:34Z
Serial number: 75967cbda5d3edc79183172e89cdded5dfc702e1
Thumbprint Algorithm:SHA256
Thumbprint: 82e4a682b4a62b2c009333d41b45b4c8b0e8bf31e5d57991fe95670a6b344cb7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20191415_081738_949589.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 13:04:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7a3ab6cf-4385-4ea6-8290-2dacc16a95f4

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/380295/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.21295.17140.18998.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a file in the %AppData% directory
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76648/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642d709735c10d8aaf28a9fe/reports/a48fdc1d-d501-4b39-a36d-3e65d545bb30/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba
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/49505556-7304-442a-a6dc-74e5effc6b40
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1208837
Signature
Found potential ransomware demand text
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect Any.run
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba/
Threat name:
Win32.PUA.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-05 04:31:20 UTC
File Type:
PE (Exe)
Extracted files:
64
AV detection:
13 of 36 (36.11%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=maoveyuum34udrqy64ljrr7pq35b32bsty66q6mwbmibndbiyw5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
094dc63a99e7f4978723577fdbbbadc74ffa4b907368c0cd48b3d0b5f14e3fbc
GuLoader
169fdf358714cd65c4451fe9ec9cb72217367296298f5b570b3e6c74f1a59f61
GuLoader
41618cb3eabd9750fa776f31b8117e4025fd3d03af5e30d62100d84ce8101406
GuLoader
4b01d8e4729b07277f8f71037f9fbda1f8d817d9688850d941e7832727bb0276
GuLoader
4bf75ced5431972bf4d34227e7fbf107f16ca9879bee1d0b225321ee100e3a11
GuLoader
abb75e66ee83ac1c6c680292e35c0fbc2c40020661da883a3787767e87739127
GuLoader
b394bd2bf5686012f76693ff9daddc941662d0c564e4ac4a530ea34b4b0d8cc6
GuLoader
b819e0dd1a5dc229d16fa74251262ce7fdd7581a71f66c9dec61149a7c4c7a76
GuLoader
c0303022c1e2e014df91a6ff93d540d2e734a938f93e16649941c418d54e5a62
GuLoader
e29c4da2ffb29da2ca94953e638058674b6234ac0c75864d644a661d582a3ab1
GuLoader
+ 769 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/230405-p724wsgg4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
f4e724c3faf01c1300d31ceda96af21931c0f533e82ecbb57da1207098e6766d
MD5 hash:
0c93a4ed7eb0a714b8f7d03da7a02da4
SHA1 hash:
15f542685adceb709782695c4ccca690ef445a3e
Link:
https://www.unpac.me/results/cb2b124b-0762-4efc-9e52-da8149f6c64b/
SH256 hash:
601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba
MD5 hash:
271da7aee04ba6cdf1aed265341ad9c2
SHA1 hash:
2efe8487ffbed1d8a674713a585ee5f2e9d3d903
Link:
https://www.unpac.me/results/cb2b124b-0762-4efc-9e52-da8149f6c64b/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/601d52629466/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba

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
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 601d52629466f941c618f71698c7ef86fa1de8329e3de879960b10168c28c5ba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380295/

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