MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270
SHA3-384 hash: 02c91f0ae4b3789ed03b577f674ee5e1e8812b044df195371eae1bdcbef051429213a7af3321f6e988437d6787174828
SHA1 hash: 8a7b85c33ccf56ea921ae50198f12470c9926829
MD5 hash: b415f9d8b2d47ec2e09db114acd400bc
humanhash: ceiling-rugby-papa-one
File name:SecuriteInfo.com.Generic.ML.PUA.15385
Download: download sample
Signature GuLoader
Create hunting rule
File size:977'936 bytes
First seen:2022-09-27 14:26:40 UTC
Last seen:2022-10-07 23:07:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 24576:ckri6E5JGb95DdyQoCiyu2gnY5MWL2m2D2l6L519JbdRJcp+71bi:bZEb85DYQ0yR4Y5MWam2oMPbnp1G
TLSH T1F525235379B5D673E7A726334F479BEACEE20C48448424EE1780B7657AB68C7B04E350
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 d8ef4d5cbc208c14 (2 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-01-07T09:26:39Z
Valid to:2025-01-06T09:26:39Z
Serial number: 2efe4f9a6e3ddb7d
Thumbprint Algorithm:SHA256
Thumbprint: 7e7ea424e5e85bcdcea8900d948c1e5bb834fa0a6e943c9883713e11ee9931ce
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
docpdf.exe
Verdict:
Malicious activity
Analysis date:
2022-09-27 11:16:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bc07397f-1a95-48db-9072-46e82847119c

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/314006/
Detection(s):
SecuriteInfo.com.Generic.ML.PUA.15385.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Delayed writing of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/39504/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/633308386db724e16b70802b/reports/22d1b2aa-8464-4d7d-b1c0-05529450263f/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/d2ef5ccb-e649-4837-8d79-9f00c7e0b6d1
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1078377
Signature
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710920 Sample: SecuriteInfo.com.Generic.ML... Startdate: 27/09/2022 Architecture: WINDOWS Score: 64 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected GuLoader 2->39 7 SecuriteInfo.com.Generic.ML.PUA.15385.exe 3 59 2->7         started        process3 file4 29 C:\Users\user\AppData\Local\...\MsMpEng.exe, PE32+ 7->29 dropped 31 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\msvcr110.dll, PE32 7->33 dropped 35 3 other files (none is malicious) 7->35 dropped 41 Obfuscated command line found 7->41 43 Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS) 7->43 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 17->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 14:27:11 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
6 of 26 (23.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxnlcfau2f5ncw4zsk5fdlkx7r3i7u7u7rcj2uh44cfsyrwl4jya._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/220927-rseq6aegcq/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
b22c8f676dec58be8d25fbad1a37835ffc4029f29aaf79f4dc0337ca73a38782
MD5 hash:
1f49d8af9be9e915d54b2441c4a79adf
SHA1 hash:
1ee4f809c693e31f34bc6d8153664a6dc2c3e499
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/8b65f9fc-1a14-40d4-86db-74d1950f5c03/
Parent samples :
35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270
cba8e79b90c98fe396da2d0243e1c98b13bdf586b8e60034be52fe6efdc42ce8
20343f047964ef95901941b2406ee66ec976e2d849abbe991f94b6a0fe634881
22a936860e45162049f713f1305e801899f8eb47a13fdb3504cf978a456efc16
588cdd2ac6167b34eaac919a31bf18ca7831183da6b1c2eccc5966808c2b3733
SH256 hash:
480184452f80f632d70a41d259f5c014215c9f858ced981910c363fe573cc49f
MD5 hash:
a54db25f487ef61a667174fa55d0e8d2
SHA1 hash:
d97a4065013ebaf7fd6858d2cb4ab21016c32eee
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/8b65f9fc-1a14-40d4-86db-74d1950f5c03/
Parent samples :
63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b
35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270
cba8e79b90c98fe396da2d0243e1c98b13bdf586b8e60034be52fe6efdc42ce8
20343f047964ef95901941b2406ee66ec976e2d849abbe991f94b6a0fe634881
22a936860e45162049f713f1305e801899f8eb47a13fdb3504cf978a456efc16
588cdd2ac6167b34eaac919a31bf18ca7831183da6b1c2eccc5966808c2b3733
SH256 hash:
35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270
MD5 hash:
b415f9d8b2d47ec2e09db114acd400bc
SHA1 hash:
8a7b85c33ccf56ea921ae50198f12470c9926829
Link:
https://www.unpac.me/results/8b65f9fc-1a14-40d4-86db-74d1950f5c03/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

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/314006/

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