MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b
SHA3-384 hash: c4e803a447d76bef34d7bf6d114e032e12662106d19474c49aa3433b5198428e056fecf36c9915adcb245557cfa277c5
SHA1 hash: d513fcb619775b641b672bacd4a8449c236be395
MD5 hash: 18a49b4595ef38990a54eec5a156ffde
humanhash: uranus-kansas-blue-orange
File name:ANFRAGE -- 0RD#09060683773.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:241'200 bytes
First seen:2022-08-29 09:31:26 UTC
Last seen:2022-08-29 10:58:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:CmOPGD//kQ7OE67/WeInHwOrJ2+PexNOm1xjbd1ZzwUm:Rr/kG67zmw6J2+WfOmxTEH
Threatray 65 similar samples on MalwareBazaar
TLSH T16A3401103760C597C9420F70C665AEFA9A75FE15F0B5121B2720FF9EBD327428A2DB68
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter TeamDreier
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Autosvar Gendannelsers Makket
Issuer:Autosvar Gendannelsers Makket
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-12T04:06:28Z
Valid to:2025-04-11T04:06:28Z
Serial number: 346dd28225bda04b
Thumbprint Algorithm:SHA256
Thumbprint: ed8c5cbe9b29af2cb00d6bcae284b602d4f7158240458b53e262db47dcf410e8
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ANFRAGE -- 0RD#09060683773.exe
Verdict:
Malicious activity
Analysis date:
2022-08-29 09:37:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3af490ce-b5c9-4c12-8d0d-430f86c2e0ec

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/302151/
Detection(s):
SecuriteInfo.com.Artemis18A49B4595EF.2621.4524.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
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/30706/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/630c87a92fdf5a0825909c5c/reports/565c2171-6dcf-442a-8aa6-d12136eaf675/overview
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/62efbacf-f608-4994-b198-9ef2d35d332e
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059709
Signature
Hides threads from debuggers
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692227 Sample: ANFRAGE -- 0RD#09060683773.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 22 ftp.icomponents.am 2->22 24 djbiharbasti.tk 2->24 30 Snort IDS alert for network traffic 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected GuLoader 2->34 36 2 other signatures 2->36 8 ANFRAGE -- 0RD#09060683773.exe 5 43 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 38 Writes to foreign memory regions 8->38 40 Tries to detect Any.run 8->40 42 Opens the same file many times (likely Sandbox evasion) 8->42 44 Hides threads from debuggers 8->44 12 CasPol.exe 15 11 8->12         started        16 CasPol.exe 8->16         started        signatures6 process7 dnsIp8 26 djbiharbasti.tk 62.210.127.245, 443, 49738, 49739 OnlineSASFR France 12->26 28 ftp.icomponents.am 213.136.82.91, 21, 49742 CONTABODE Germany 12->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file / registry access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 56 3 other signatures 12->56 18 conhost.exe 12->18         started        52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->54 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=scidieagflecqiz33epndlnupan2kivgcmnrsmylzwhppr4rm4vq._file
Verdict:
unknown
Similar samples:
07dd788eaf264a645dce4b24536deda60690bba09125d2c9babc7ec786734344
GuLoader
1d3e8941eb686b154fca77b2c80b84a19fdf21ebd298dc55d4519310ed011add
GuLoader
4717101ad9b433dbae626233b2d92e0ff37b921ec0fe34e97ce9469faca85658
GuLoader
57db1a9611191d01fbe260f052e87a6fb0cf7dbb1644079727627252ee3e109a
GuLoader
6730e52c8075c7e044c2bbaf9f7ad8c0f7f8d03fb23adbd2331adc8b591caec7
GuLoader
78fc852976d4f8e68360f4bd282b78abb21f7aa02b52cf885203b43d0838c5ef
GuLoader
c829830d55396b4d79630c268cc875bc59c950daac4ee0476560a2edc3f8f87a
GuLoader
ef98f88e2af062e52962b309ec92736c485ce509e6319271cdde46e030455b5b
GuLoader
f93da7562182b8456d6c88c58d90c745004aaef0979a2a98a06341b219bfe03e
GuLoader
fe00f0b94120e6994117bf92c39940b5a499821e3684163cae07a8fb0ea1c5f1
GuLoader
+ 55 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220829-lhl5lafagq/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/065ce3b1-b9f4-4074-b91d-b610e384a4d8/
SH256 hash:
90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b
MD5 hash:
18a49b4595ef38990a54eec5a156ffde
SHA1 hash:
d513fcb619775b641b672bacd4a8449c236be395
Link:
https://www.unpac.me/results/065ce3b1-b9f4-4074-b91d-b610e384a4d8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b

File information

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

Malspam

GuLoader

Executable exe 90903410062ac828233bd91ed1adb4781ba522a6131b19330bcd8ef7c791672b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/302151/

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