MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286
SHA3-384 hash: a18e2a4af3058aa02c50c406003ea71faa2bfe1757680f6ee05dbc99033d434c3c1796d65c5e0249c1a27fd80f1b0bf3
SHA1 hash: 6e187eb331277ca0b4d8f4e767481289276f03c2
MD5 hash: 2084c110b7e5e4003e0397bd47b83d6d
humanhash: april-bacon-thirteen-foxtrot
File name:SecuriteInfo.com.FileRepMalware.11812.16342
Download: download sample
Signature GuLoader
Create hunting rule
File size:925'216 bytes
First seen:2023-12-07 16:17:24 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 12288:pk7xDYVrfhPKJIiOZJRne61+Rf8f1r/ls16z61vIWwxY7HfUld+zFLamID1ES:UQrf3f+REf1rtssuBpwLd+zFLD2l
TLSH T1B7152350CFB288E3D59102762A35D5B346B33FB79C26194B03353B6B1A333875326DAA
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 9192241519141419 (2 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Tilvristes
Issuer:Tilvristes
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-17T07:49:24Z
Valid to:2026-01-16T07:49:24Z
Serial number: 61a2c0cd9e7fa28daaadd21fbcb21a650c5ed438
Thumbprint Algorithm:SHA256
Thumbprint: 1771fb1e033b9ba04cb168257b1981a1f86674df4fcf4e44d2100b811203f920
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/463290/
Detection(s):
SecuriteInfo.com.FileRepMalware.11812.16342.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Searching for the window
Launching a process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6571f03a3636548f3740d6fe/reports/79dbca7d-0929-4043-b4b2-6635ec28aa66/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286
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:
Malicious
Link:
https://analyze.intezer.com/analyses/e659dfc3-193f-4c6c-88d5-5d29580fd1f2
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1355589
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1355589 Sample: SecuriteInfo.com.FileRepMal... Startdate: 07/12/2023 Architecture: WINDOWS Score: 100 43 www.skinnovations.xyz 2->43 45 www.xxxcamvidios.com 2->45 47 4 other IPs or domains 2->47 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 73 2 other signatures 2->73 12 SecuriteInfo.com.FileRepMalware.11812.16342.exe 2 40 2->12         started        15 wab.exe 1 2->15         started        17 wab.exe 3 1 2->17         started        signatures3 71 Performs DNS queries to domains with low reputation 43->71 process4 file5 41 C:\Users\user\...\Toldforretningernes.cal, data 12->41 dropped 19 powershell.exe 11 12->19         started        process6 signatures7 75 Suspicious powershell command line found 19->75 77 Very long command line found 19->77 79 Found suspicious powershell code related to unpacking or dynamic code loading 19->79 22 powershell.exe 16 19->22         started        25 conhost.exe 19->25         started        process8 signatures9 81 Writes to foreign memory regions 22->81 27 wab.exe 6 22->27         started        process10 dnsIp11 55 dealeadz.com 69.49.229.22, 443, 49718 UNIFIEDLAYER-AS-1US United States 27->55 83 Maps a DLL or memory area into another process 27->83 31 dOOKFDrVYSaJ.exe 27->31 injected signatures12 process13 process14 33 prevhost.exe 1 13 31->33         started        signatures15 57 Tries to steal Mail credentials (via file / registry access) 33->57 59 Tries to harvest and steal browser information (history, passwords, etc) 33->59 61 Writes to foreign memory regions 33->61 63 3 other signatures 33->63 36 dOOKFDrVYSaJ.exe 33->36 injected 39 firefox.exe 33->39         started        process16 dnsIp17 49 www.xxxcamvidios.com 91.195.240.123, 49727, 49728, 49729 SEDO-ASDE Germany 36->49 51 www.filmgraphs.com 45.13.161.228, 49723, 49724, 49725 POWERLINE-AS-APPOWERLINEDATACENTERHK Netherlands 36->51 53 www.0q4es.site 107.148.132.244, 49721, 80 ASLINE-AS-APASLINELIMITEDHK United States 36->53
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286/
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 16:18:04 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yyopmsjcalvkrrgzot6mqpo7v5ckau4nkkvsgptnzkl2tf4ukkda._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/231207-tsm4msdc63/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks computer location settings
Guloader,Cloudeye
Unpacked files
SH256 hash:
c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286
MD5 hash:
2084c110b7e5e4003e0397bd47b83d6d
SHA1 hash:
6e187eb331277ca0b4d8f4e767481289276f03c2
Link:
https://www.unpac.me/results/9246ce9c-6cab-4c53-88aa-4eaf5a27f797/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c61cf6492202/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/c61cf6492202eaa8c4d974fcc83ddfaf44a0538d52ab233e6dca97a997945286

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

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/463290/

Comments