MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bf1bfc4c3691ad36cefb7a75dc3dd06d6f8936e48bbadd1d4fa471094753a57. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bf1bfc4c3691ad36cefb7a75dc3dd06d6f8936e48bbadd1d4fa471094753a57
SHA3-384 hash: 8b4077b09504b63a61dd56d6f9da6faa1ad2feb798dd042a113210126c7db467f29b4d61a7c4c261f61b87b88debe9ef
SHA1 hash: b74a6d616ed4e9b7b29271feae69bd70067af45d
MD5 hash: 9cd25fbb2afea11672eb8ad7e2ebdd21
humanhash: west-summer-helium-william
File name:DHL-INV-NAC.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:480'952 bytes
First seen:2022-11-01 06:39:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e221f4f7d36469d53810a4b5f9fc8966 (118 x GuLoader, 28 x RemcosRAT, 21 x Formbook)
ssdeep 12288:Elye7uZEsBNrO2tMihQnHTFXlBwPzMe0bjv:Iu+smihU52we0Pv
Threatray 26 similar samples on MalwareBazaar
TLSH T112A41296A2C5C0A2DD938FB1543BEE7546B3BEAA3D71525E27487B715B733C30006A0E
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 4c450303003011cc (1 x GuLoader)
Reporter abuse_ch
Tags:DHL exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-13T14:25:13Z
Valid to:2025-05-12T14:25:13Z
Serial number: -107b6542dc6904fc
Thumbprint Algorithm:SHA256
Thumbprint: 8c4b1ade84bfbf4945295650775174b330b38d8403d92ae8dc566216290cb4c0
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
346
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL-INV-NAC.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 06:46:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a4814d31-91b1-4023-bc5b-7191af6f87fb

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/326709/
Detection(s):
SecuriteInfo.com.Trojan.Win32.DownLoader4.KTT.2386.24504.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6360bf0958409ff7bc0c6e00/reports/bd8b35e2-a958-4361-8f62-2bb72b69a2c1/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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a6fba382-edbd-4186-b9bb-0025177b653d
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102334
Signature
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 734993 Sample: DHL-INV-NAC.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 33 www.xc66365.com 2->33 35 www.workskainews.com 2->35 37 27 other IPs or domains 2->37 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 10 DHL-INV-NAC.exe 2 36 2->10         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\System.dll, PE32 10->29 dropped 31 C:\Users\user\AppData\...\Frozen Throne.exe, PE32 10->31 dropped 65 Tries to detect Any.run 10->65 14 DHL-INV-NAC.exe 6 10->14         started        signatures6 process7 dnsIp8 45 www.freddysnewyork.no 195.204.187.15, 443, 49836 ASN-CATCHCOMNO Norway 14->45 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Tries to detect Any.run 14->69 71 Maps a DLL or memory area into another process 14->71 73 2 other signatures 14->73 18 RAVCpl64.exe 14->18 injected signatures9 process10 process11 20 mstsc.exe 13 18->20         started        signatures12 55 Tries to steal Mail credentials (via file / registry access) 20->55 57 Tries to harvest and steal browser information (history, passwords, etc) 20->57 59 Writes to foreign memory regions 20->59 61 3 other signatures 20->61 23 explorer.exe 20->23 injected 27 firefox.exe 20->27         started        process13 dnsIp14 39 www.carparkingtrc.com 156.254.142.11, 49896, 49898, 49899 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 23->39 41 www.workskainews.com 76.164.193.101, 49854, 49855, 49856 VERSAWEB-ASNUS United States 23->41 43 15 other IPs or domains 23->43 63 System process connects to network (likely due to code injection or exploit) 23->63 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bf1bfc4c3691ad36cefb7a75dc3dd06d6f8936e48bbadd1d4fa471094753a57/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 19:56:45 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
16 of 40 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dpy37rgdnenng3hpw6tv3q65a3lpre3ojc523uou7jdrbfdvhjlq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
166908f0b9866d84c4a0828b4d664aa4b1049d403ebe90798caa4f4d93b26e00
GuLoader
37c86f121c6f2444ba270e021f0fe141de6dac7cba6267e9a873f72eabb6bbff
GuLoader
43efe491955b4d4d340b18b7de78784276f048d8d5b99f9fff0284d563226286
GuLoader
6d43c96f1425abf6538f9b526b768f2fa284dcd9fec93e5b5cf001a4f83fdb89
GuLoader
7db5e626c33513029a8c994e929219469a2d4f36bbd9557299d4b8bec1673fc1
GuLoader
83cf1834c1ebc4ab37dcf0734120efadb2ca3354e28c0887aa2188f03de39a15
GuLoader
913172750585a6984011e58a573a38cd7ed051e2145690cf7a4b53b1ca49725c
GuLoader
a1853750e48152050b5f04f08ba261a37c49fd039435ac4c2683328febd4fa92
GuLoader
a68190f559500888abbd58c7b35794837352ac2127fb1dd1553c659eba5015a3
GuLoader
ae73e14431c5055dba84f295fa28aa4479794dba18e396cd6c68a2f25cc10c92
GuLoader
+ 16 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/221101-henmgaghg2/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
2b13e318be8b41deffa80c3bd7fdec20de9688d5ceedfbb56cf43d4996a62bed
MD5 hash:
ed09856431648fb9399b75127b85ff7e
SHA1 hash:
f8d1fb0e0edb8069a89cd6054e6580d2a6fa1cdd
Link:
https://www.unpac.me/results/11c0dedf-bf24-4b38-a4ac-3dc074ea0639/
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/11c0dedf-bf24-4b38-a4ac-3dc074ea0639/
SH256 hash:
1bf1bfc4c3691ad36cefb7a75dc3dd06d6f8936e48bbadd1d4fa471094753a57
MD5 hash:
9cd25fbb2afea11672eb8ad7e2ebdd21
SHA1 hash:
b74a6d616ed4e9b7b29271feae69bd70067af45d
Link:
https://www.unpac.me/results/11c0dedf-bf24-4b38-a4ac-3dc074ea0639/
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/1bf1bfc4c3691ad36cefb7a75dc3dd06d6f8936e48bbadd1d4fa471094753a57

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/326709/

Comments