MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbdfcbd086cb7e16f98e050d8f77cc3b0961c4d7b6b96dde3f6e89009c7dab74. 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: bbdfcbd086cb7e16f98e050d8f77cc3b0961c4d7b6b96dde3f6e89009c7dab74
SHA3-384 hash: af81aba60dbfcc8e564d8437c1b681932e7ba258ee608899603d6280c8c39f3e5d6c553aec2a5652ef500e2ef8a1e2d0
SHA1 hash: 1d3dbbed993904f428a234193fd89a3f457c7939
MD5 hash: a99e099f737931ebea42127d401b3d7a
humanhash: harry-kentucky-sink-undress
File name:PO AW109E.exe
Download: download sample
Signature GuLoader
File size:125'856 bytes
First seen:2022-09-16 07:34:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (241 x GuLoader, 29 x RemcosRAT, 17 x VIPKeylogger)
ssdeep 3072:XAe+3aJpgWXTButSbNMuyLQOEd8/47ZrTaui5lPiBXQxEX:QB+pgUliu7BdvTaBO4EX
Threatray 113 similar samples on MalwareBazaar
TLSH T1ADC3F1257AE1C067D6664FB229FE5A2F9FB1E50634704B0733609A9D3B25782DC0B372
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Andrikkers Gauger Ungreyed
Issuer:Andrikkers Gauger Ungreyed
Algorithm:sha256WithRSAEncryption
Valid from:2022-02-24T06:21:07Z
Valid to:2025-02-23T06:21:07Z
Serial number: -6a8ae5bc26aa8fad
Thumbprint Algorithm:SHA256
Thumbprint: a80a02ac22ee5d14cb46350392b788800f86f5c5cda784d4fe89c7aeb34f6393
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
389
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO AW109E.exe
Verdict:
Malicious activity
Analysis date:
2022-09-16 08:01:48 UTC
Tags:
n/a

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

Behaviour
Creating a window
Delayed reading of the file
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Searching for the window
Creating a file in the %temp% directory
Creating a file
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:
UNKNOWN
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:
troj.evad.spyw
Score:
100 / 100
Signature
Malicious sample detected (through community Yara rule)
Mass process execution to delay analysis
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: 704051 Sample: PO AW109E.exe Startdate: 16/09/2022 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 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 4 other signatures 2->54 8 PO AW109E.exe 4 41 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 Tries to detect Any.run 8->58 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, 49741, 80 TWIDC-AS-APTWIDCLimitedHK unknown 12->44 46 us2.smtp.mailhostbox.com 208.91.198.143, 49746, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->46 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->62 64 Tries to steal Mail credentials (via file / registry access) 12->64 66 4 other signatures 12->66 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:
2022-09-15 10:44:35 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
8 of 25 (32.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
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
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
7b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
MD5 hash:
c5b9fe538654a5a259cf64c2455c5426
SHA1 hash:
db45505fa041af025de53a0580758f3694b9444a
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
SH256 hash:
8c6a95a1bf06c22224ab43bc1a1948f2cb0fd8d7089f2b828033c0fde161d2c2
MD5 hash:
d5bf01b2a316120d3d906e48e850520e
SHA1 hash:
a0e2f1caca1d35c227d231e6063d71ffe1d06322
SH256 hash:
bbdfcbd086cb7e16f98e050d8f77cc3b0961c4d7b6b96dde3f6e89009c7dab74
MD5 hash:
a99e099f737931ebea42127d401b3d7a
SHA1 hash:
1d3dbbed993904f428a234193fd89a3f457c7939
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 bbdfcbd086cb7e16f98e050d8f77cc3b0961c4d7b6b96dde3f6e89009c7dab74

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments