MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab189a55bc7ae7365ec71c2cab0118b5d644bc0aba0c07a65eba487b8100cd40. 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: ab189a55bc7ae7365ec71c2cab0118b5d644bc0aba0c07a65eba487b8100cd40
SHA3-384 hash: 15b2b24d75ed1c0f5ea98f24762fed20bbfad52c3ce3ba7f420e96f4de4ba34e6424c1751ca467dc34b27a43cb42a51c
SHA1 hash: 48c3e650afc8e02fb28e35a3adf9837405c256dd
MD5 hash: 9ecb20a54018b36cfc31ba3a38b3b369
humanhash: johnny-pennsylvania-diet-tennessee
File name:REQUEST FOR OFFER 25-05-2022·pdf.exe
Download: download sample
Signature GuLoader
File size:923'360 bytes
First seen:2022-05-25 11:25:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 24576:2NMj/MARt0dn9Kuclo30QTA8lpwXowK9g9RZEUaHoSf:mMLqdnWOTAZqoRZEU0
Threatray 11'700 similar samples on MalwareBazaar
TLSH T1AD1523097381D444C8F21E31EEB5CAF666ADAD95E61907132344FE5C3DF4282BA963B3
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 malwarelabnet
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Tumblere5 DUDAIM Tellurite4 Reintrenched Palliate
Issuer:Tumblere5 DUDAIM Tellurite4 Reintrenched Palliate
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-24T23:05:02Z
Valid to:2023-05-24T23:05:02Z
Serial number: 50f486bf42083856
Thumbprint Algorithm:SHA256
Thumbprint: 24ccfbdc9dd297c14878194f068718cae4faa7a40ee2ad0b100da362bf435367
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUEST FOR OFFER 25-05-2022·pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 11:29:51 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
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-05-25 05:20:31 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
15 of 41 (36.59%)
Threat level:
  3/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
6839e6beb56d55cb62bc68be26d98e0d0fc70a01b20841c9b35ce8ff6535a37d
MD5 hash:
1b60e42d2612ccf1b32a4b8949e98a8e
SHA1 hash:
12e5dfc1f06f2c3f6edb3178d22ff9f87baf389d
SH256 hash:
ab189a55bc7ae7365ec71c2cab0118b5d644bc0aba0c07a65eba487b8100cd40
MD5 hash:
9ecb20a54018b36cfc31ba3a38b3b369
SHA1 hash:
48c3e650afc8e02fb28e35a3adf9837405c256dd
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