MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd
SHA3-384 hash: e81634e975c22a95fc61c9914122cec42cee98067cc1b7490465b630def24d7b0b6e5fbf83d42306c6a930cb8502933f
SHA1 hash: 373c82ccda95ca5a9546428396fc3c8e1b4261b6
MD5 hash: b1fda2cb2c5b712943f874f86b4c450c
humanhash: fifteen-cat-whiskey-finch
File name:NOVA EMAIL - EXPORT COUNTER 7 OCT 2022.pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:251'560 bytes
First seen:2022-10-06 06:24:45 UTC
Last seen:2022-10-06 07:24:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (276 x GuLoader, 37 x RemcosRAT, 23 x AgentTesla)
ssdeep 3072:nkhohwq34yuQzQWqrJKZKbX5xB1Wdwrb1iIQTBPG5qh3f1JPlze3iAAymyINVJ:kIw3I8XB1Wcbk3VuI39JPlqfmyIh
TLSH T1A234DF41B790C127C4A45B3099B78B217B7AED207A52670F23487F9B3E72BC259393D6
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 b270e8d0e0c0e024 (3 x Loki, 2 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-09-26T16:09:19Z
Valid to:2025-09-25T16:09:19Z
Serial number: 0bb7566d07d47ed2
Thumbprint Algorithm:SHA256
Thumbprint: 4d17e563d0bf3127835629a41868e397e90f76405cbb2656c99c0c70ffea4a18
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
894
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317116/
Detection(s):
SecuriteInfo.com.Variant.Tedy.216375.7679.12629.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/41462/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/633e74c00d3d21420ccaa5d7/reports/80b9774f-af37-4400-9fb1-d4195c6ba207/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f3a5107a-9dd0-4fb9-b1ee-12f06d7d156e
Result
Threat name:
GuLoader, Lokibot
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1084665
Signature
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sample uses process hollowing technique
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected GuLoader
Yara detected Lokibot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 717230 Sample: NOVA EMAIL - EXPORT COUNTER... Startdate: 06/10/2022 Architecture: WINDOWS Score: 100 43 googlehosted.l.googleusercontent.com 2->43 45 drive.google.com 2->45 47 doc-10-10-docs.googleusercontent.com 2->47 55 Snort IDS alert for network traffic 2->55 57 Multi AV Scanner detection for domain / URL 2->57 59 Antivirus detection for URL or domain 2->59 61 8 other signatures 2->61 9 NOVA EMAIL - EXPORT COUNTER 7 OCT 2022.pdf.exe 8 75 2->9         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\...\System.dll, PE32 9->41 dropped 63 Obfuscated command line found 9->63 65 Tries to detect Any.run 9->65 67 Sample uses process hollowing technique 9->67 13 NOVA EMAIL - EXPORT COUNTER 7 OCT 2022.pdf.exe 21 9->13         started        17 CMD.exe 9->17         started        19 CMD.exe 9->19         started        21 62 other processes 9->21 signatures6 process7 dnsIp8 49 162.0.223.13, 49838, 80 ACPCA Canada 13->49 51 googlehosted.l.googleusercontent.com 142.250.184.193, 443, 49837 GOOGLEUS United States 13->51 53 2 other IPs or domains 13->53 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->69 71 Tries to steal Mail credentials (via file / registry access) 13->71 73 Tries to harvest and steal ftp login credentials 13->73 75 2 other signatures 13->75 23 WerFault.exe 2 13->23         started        25 Conhost.exe 17->25         started        27 Conhost.exe 19->27         started        29 Conhost.exe 21->29         started        31 Conhost.exe 21->31         started        33 Conhost.exe 21->33         started        35 59 other processes 21->35 signatures9 process10 process11 37 WerFault.exe 2 25->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 14:24:25 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
26 of 42 (61.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tvcccissjoyb5lruiwdwtv54gdot7756sqcxym7euxky4wxex6q._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
lokibot
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:lokibot collection discovery downloader spyware stealer trojan
Link:
https://tria.ge/reports/221006-g6lrhsggen/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Reads user/profile data of web browsers
Guloader,Cloudeye
Lokibot
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3ed1fa1e-a0cd-49b0-964b-c3c396f49b1b
Unpacked files
SH256 hash:
938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
MD5 hash:
98bdb37511634dad8d1236d91d373b26
SHA1 hash:
778cf74b4f8860cc378fa4e61aeba318197783ce
Link:
https://www.unpac.me/results/b29c8162-0b5a-49c2-a415-9c15d937310b/
SH256 hash:
f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37
MD5 hash:
8b3830b9dbf87f84ddd3b26645fed3a0
SHA1 hash:
223bef1f19e644a610a0877d01eadc9e28299509
Link:
https://www.unpac.me/results/b29c8162-0b5a-49c2-a415-9c15d937310b/
SH256 hash:
f7d98be26c813724c7cb673b53475fe660d3ef4f9930d57a550c91578c660e91
MD5 hash:
723646252e79cbb15c7817360f93a6d2
SHA1 hash:
c9ce61d71b7377456ab49c823fc756336b01f7b5
Link:
https://www.unpac.me/results/b29c8162-0b5a-49c2-a415-9c15d937310b/
SH256 hash:
dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd
MD5 hash:
b1fda2cb2c5b712943f874f86b4c450c
SHA1 hash:
373c82ccda95ca5a9546428396fc3c8e1b4261b6
Link:
https://www.unpac.me/results/b29c8162-0b5a-49c2-a415-9c15d937310b/
Malware family:
Lokibot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dcea21091292/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd

File information

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

Malspam

GuLoader

Executable exe dcea210912925d80f571a22c3b4ebde186e9fffdf4a02be19f252eac72d725fd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/317116/

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