MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e819cc0b472a032d6554bbdd89d014ef7e294870d5ea6cfe8c3e5a31072e2ba. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 2e819cc0b472a032d6554bbdd89d014ef7e294870d5ea6cfe8c3e5a31072e2ba
SHA3-384 hash: 5db958136a30a5378d316c9c7ea3ad137b16b844ec9897c237fbc1d10c54605acf5c0c6ee4355550610b2164471d9bef
SHA1 hash: 2546cd9873e1d419543c468b182ac7d54bca86c1
MD5 hash: 5a47c8cf0ebeb585d9dc30f4eb441016
humanhash: oregon-magazine-eighteen-grey
File name:Bulbine40.exe
Download: download sample
Signature GuLoader
File size:439'792 bytes
First seen:2022-08-23 09:30:42 UTC
Last seen:2022-08-23 11:09:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger)
ssdeep 12288:M3QW3SdyC2sCrVRC01E4T9cwqw0NOPPxG:M3QLesCrVTx6FwakPxG
Threatray 1'935 similar samples on MalwareBazaar
TLSH T1A49402221226D2ABF0912A75893793A7BDB0BC250A55181FB79CFC3F38717805997D2F
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)
File icon (PE):PE icon
dhash icon 8e714965755db230 (1 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Mervrdiomstningsafgiftens Nightworker
Issuer:Mervrdiomstningsafgiftens Nightworker
Algorithm:sha256WithRSAEncryption
Valid from:2021-12-27T11:00:11Z
Valid to:2024-12-26T11:00:11Z
Serial number: -47f623f2f9287989
Thumbprint Algorithm:SHA256
Thumbprint: fdbf4a32842a163282b21980bd9e3aea85231384af7a262f7522b1ce546cdf14
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bulbine40.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 09:31:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader overlay packed remoteadmin shell32.dll wacatac
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.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Multi AV Scanner detection for submitted file
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 688637 Sample: Bulbine40.exe Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 26 onedrive.live.com 2->26 28 mail.sampaihracat.com.tr 2->28 30 3 other IPs or domains 2->30 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 Yara detected AgentTesla 2->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->42 8 Bulbine40.exe 5 48 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\Local\...\uNeroErr.dll, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...\System.dll, PE32 8->24 dropped 44 Writes to foreign memory regions 8->44 46 Tries to detect Any.run 8->46 12 CasPol.exe 19 8->12         started        16 CasPol.exe 8->16         started        18 CasPol.exe 8->18         started        signatures6 process7 dnsIp8 32 mail.sampaihracat.com.tr 192.185.163.67, 26, 49781, 49785 UNIFIEDLAYER-AS-1US United States 12->32 34 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49780 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->34 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 58 2 other signatures 12->58 20 conhost.exe 12->20         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->56 signatures9 process10
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-08-22 09:03:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
MD5 hash:
a1da6788aeaf78ca4ae1dece8019e49d
SHA1 hash:
d770155e6e9aa69223be198c44a8da26a1756d89
SH256 hash:
2e819cc0b472a032d6554bbdd89d014ef7e294870d5ea6cfe8c3e5a31072e2ba
MD5 hash:
5a47c8cf0ebeb585d9dc30f4eb441016
SHA1 hash:
2546cd9873e1d419543c468b182ac7d54bca86c1
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

GuLoader

Executable exe 2e819cc0b472a032d6554bbdd89d014ef7e294870d5ea6cfe8c3e5a31072e2ba

(this sample)

  
Delivery method
Distributed via e-mail attachment

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