MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445
SHA3-384 hash: c102d149727e8baf593ff04e1e8bf3d1757ee74ae92fd8a612763fb62802cce827a00c849afe3c9d32fb05b3a3c86221
SHA1 hash: 0681819cee7eef569eedb76573c2219247cc097f
MD5 hash: c250c64dd8239ab5c0c8b316c58d5540
humanhash: lemon-rugby-nebraska-zulu
File name:PR-0012575 (P 999).exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:613'376 bytes
First seen:2020-10-12 05:59:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 010f3e42f15e9eb57a4a9a1dad838a51 (10 x Loki, 8 x AgentTesla, 3 x MassLogger)
ssdeep 12288:PAindXhz+XwfE0CQPW7q0dzQNqJHRrUtqEtY3FL:4i16wf9aNzQ4lFUtqaot
Threatray 21 similar samples on MalwareBazaar
TLSH 96D4AE22E2E17433C1273A3D9CDB576C982EBE503D2869462BF51C4F9F3D691742A293
Reporter abuse_ch
Tags:exe GuLoader


Avatar
abuse_ch
Malspam distributing unidentified malware:

From: Sharif qasim <sharif.qasim@redcoalmana.com>
Subject: PRICE & DELIVERY
Attachment: PR-0012575 P 999.gz (contains "PR-0012575 (P 999).exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69928/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487966
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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 access)
Yara detected Agent Tesla Trojan
Yara detected AgentTesla
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296432 Sample: PR-0012575 (P 999).exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 23 checkip.us-east-1.prod.check-ip.aws.a2z.com 2->23 25 checkip.check-ip.aws.a2z.com 2->25 27 checkip.amazonaws.com 2->27 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 14 other signatures 2->49 9 PR-0012575 (P 999).exe 2->9         started        signatures3 process4 signatures5 59 Maps a DLL or memory area into another process 9->59 12 PR-0012575 (P 999).exe 1 9->12         started        process6 signatures7 61 Tries to detect Any.run 12->61 63 Hides threads from debuggers 12->63 15 PR-0012575 (P 999).exe 6 12->15         started        process8 dnsIp9 33 googlehosted.l.googleusercontent.com 172.217.23.1, 443, 49737 GOOGLEUS United States 15->33 35 doc-0c-3k-docs.googleusercontent.com 15->35 37 Tries to detect Any.run 15->37 39 Maps a DLL or memory area into another process 15->39 41 Hides threads from debuggers 15->41 19 PR-0012575 (P 999).exe 16 15->19         started        signatures10 process11 dnsIp12 29 enmark.com.my 110.4.45.145, 49747, 49751, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 19->29 31 mail.enmark.com.my 19->31 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->51 53 Tries to steal Mail credentials (via file access) 19->53 55 Tries to harvest and steal ftp login credentials 19->55 57 Tries to harvest and steal browser information (history, passwords, etc) 19->57 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445/
Threat name:
Win32.Trojan.LokibotCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-10-11 23:16:35 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qno6stlng4ux5ydsbx7s6zmbc2fhsxrf7fp7qqojzmhwgqts4rcq._file
Verdict:
malicious
Label(s):
guloader
Create hunting rule
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b22c89b7538e1da6bdeadb5eab3df9ab4c76de044017db8045d7bb76049945f9
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d89012e75ed7fe4356199f7390ccd1187481f86b32d4367c47f433ac2f5ae730
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GuLoader
+ 11 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/201012-b9vapawnqx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445
MD5 hash:
c250c64dd8239ab5c0c8b316c58d5540
SHA1 hash:
0681819cee7eef569eedb76573c2219247cc097f
Link:
https://www.unpac.me/results/888b8fe3-2962-4ab5-a910-575277dfe7a5/
SH256 hash:
1b53720e18c155729e8f2959f24efa68e86e0f6bfef326eda809b8bffde739ce
MD5 hash:
3bf3b0af89a4c1376b8925339cfb57a4
SHA1 hash:
2fb3053de2e06a49c824a84d7c0aae95af67fc20
Link:
https://www.unpac.me/results/888b8fe3-2962-4ab5-a910-575277dfe7a5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445

File information

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

Malspam

GuLoader

gz 066c9d8e3aaedcfee2ade864cea5afa353f14d80979b19468e790354460efd67

GuLoader

Executable exe 835de94d6d37297ee0720dff2f6581168a795e25f95ff841c9cb0f634272e445

(this sample)

  
Dropped by
MD5 656fbbe3e96b40ccaf77f0696fcadd3d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 066c9d8e3aaedcfee2ade864cea5afa353f14d80979b19468e790354460efd67
Cape
Cape
https://www.capesandbox.com/analysis/69928/

Comments