MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0f56b683a0e0f551a85d93ab7b366c6ae5f933c57da5e2790d7f4bbb8f2beaa. 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 File information Comments

SHA256 hash: d0f56b683a0e0f551a85d93ab7b366c6ae5f933c57da5e2790d7f4bbb8f2beaa
SHA3-384 hash: 2b25deac4105d53e47144e660825aba522d978d85a32d74b67b17cbc932abf8be9c9c38e98170b9ddec80a2058dbc003
SHA1 hash: 6748661276dd66c4950ed1af4ba7fab523ed01b7
MD5 hash: bf4eafa818db4af508c1a9074a022fcb
humanhash: fix-table-oxygen-green
File name:Order_request_0003352030_Arcelormittal_83747823544678839904478530654_documents.exe
Download: download sample
Signature GuLoader
File size:189'399 bytes
First seen:2022-09-29 12:09:29 UTC
Last seen:2022-09-29 14:51:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (276 x GuLoader, 37 x RemcosRAT, 23 x AgentTesla)
ssdeep 3072:4khohwq34yuKpsFk7OTubkmqeApEhJPfj/Tz0f7SnALBMt:RIw3ipsFjskmqeApEhJPfXzz
Threatray 2'793 similar samples on MalwareBazaar
TLSH T19804B01A2B78C412D1511EF8AE61D6196DB5ED11286EFB0797B03E5836BC783BC5C383
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 10c8e0b2cccc9c1c (2 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
460
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
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 shell32.dll
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 712617 Sample: Order_request_0003352030_Ar... Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 40 us2.smtp.mailhostbox.com 2->40 42 smtp.jubana.cam 2->42 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 6 other signatures 2->54 8 Order_request_0003352030_Arcelormittal_83747823544678839904478530654_documents.exe 3 65 2->8         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\System.dll, PE32 8->38 dropped 56 Writes to foreign memory regions 8->56 58 Mass process execution to delay analysis 8->58 60 Tries to detect Any.run 8->60 12 CasPol.exe 8->12         started        16 powershell.exe 8->16         started        18 powershell.exe 8->18         started        20 71 other processes 8->20 signatures6 process7 dnsIp8 44 103.156.93.29, 49819, 80 TWIDC-AS-APTWIDCLimitedHK unknown 12->44 46 us2.smtp.mailhostbox.com 208.91.198.143, 49823, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->46 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->64 66 Tries to steal Mail credentials (via file / registry access) 12->66 68 4 other signatures 12->68 22 conhost.exe 12->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 68 other processes 20->34 signatures9 process10
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-09-29 11:16:25 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
MD5 hash:
98bdb37511634dad8d1236d91d373b26
SHA1 hash:
778cf74b4f8860cc378fa4e61aeba318197783ce
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
SH256 hash:
f7d98be26c813724c7cb673b53475fe660d3ef4f9930d57a550c91578c660e91
MD5 hash:
723646252e79cbb15c7817360f93a6d2
SHA1 hash:
c9ce61d71b7377456ab49c823fc756336b01f7b5
SH256 hash:
d0f56b683a0e0f551a85d93ab7b366c6ae5f933c57da5e2790d7f4bbb8f2beaa
MD5 hash:
bf4eafa818db4af508c1a9074a022fcb
SHA1 hash:
6748661276dd66c4950ed1af4ba7fab523ed01b7
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.

Comments