MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310
SHA3-384 hash: fe5c588aa1af191962e7d849805f65a058dc2d34fd7cf8b0fd57fa4f8c0d430e0840302cacfe088f2675eb9e32caf19c
SHA1 hash: c197b81b881d2a959742607401dbe731461ad738
MD5 hash: bc96ccf72ae8398eaec3db1cf9dfadb1
humanhash: red-papa-chicken-two
File name:200333852-042536.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:607'664 bytes
First seen:2023-02-11 03:54:56 UTC
Last seen:2023-02-11 05:30:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (241 x GuLoader, 29 x RemcosRAT, 17 x VIPKeylogger)
ssdeep 12288:EgL+rDzX8+uSoJF6qmTUmkLSoCdnDd7mUkoU/+pFfG:t2ESofoT3kkdnDdSUk7yA
Threatray 227 similar samples on MalwareBazaar
TLSH T19AD4126132A7884FC1151E364CB3E97EBE376F222DA45A43B7407F1E2939641BC4937A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0e0d8eeacdcd44c (5 x GuLoader)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:frdselslrers
Issuer:frdselslrers
Algorithm:sha256WithRSAEncryption
Valid from:2022-02-21T16:55:29Z
Valid to:2025-02-20T16:55:29Z
Serial number: -6d22aade422586f8
Thumbprint Algorithm:SHA256
Thumbprint: b5099578068e7f1a0ba7399762bec125f977112458501995271eed16fb6366eb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
200333852-042536.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 08:48:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ec7df890-9c9c-446f-aba0-7c2d02bc76e7

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/363713/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65403529.9871.2437.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/67914/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e71199d68ac683b34bc275/reports/487e9dca-a1a0-4970-9967-d1fb3727cd10/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310
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/dc22c381-eb31-42bb-89db-dcec10e8a7f4
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1168575
Signature
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, 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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 801355 Sample: 200333852-042536.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 96 26 googlehosted.l.googleusercontent.com 2->26 28 drive.google.com 2->28 30 doc-0g-bg-docs.googleusercontent.com 2->30 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->40 8 200333852-042536.exe 1 56 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\Roaming\...\blobio.dll, PE32+ 8->22 dropped 24 C:\Users\user\AppData\Local\...\System.dll, PE32 8->24 dropped 42 Writes to foreign memory regions 8->42 44 Tries to detect Any.run 8->44 12 CasPol.exe 11 8->12         started        16 CasPol.exe 8->16         started        18 CasPol.exe 8->18         started        signatures6 process7 dnsIp8 32 drive.google.com 142.250.181.238, 443, 49808 GOOGLEUS United States 12->32 34 googlehosted.l.googleusercontent.com 142.250.186.161, 443, 49810 GOOGLEUS United States 12->34 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file / registry access) 12->48 50 Tries to harvest and steal browser information (history, passwords, etc) 12->50 52 Tries to detect Any.run 12->52 20 conhost.exe 12->20         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->56 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 19:34:38 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ktyphivnao37gbu4gqlqfftlgrpv22vzjlhujrstdb2wqef6mia._file
Verdict:
malicious
Similar samples:
012cdac9c7fabd82e1be72dcacb79bd73fabdef7bd148f4f1035943e5882270b
GuLoader
2481fd6c5d237aea74644564492f05998b436ab51fb2730310f4049a53ba5459
GuLoader
448234787d7924280fedbb49f5702f0483ef8046394f8adc14006f3f8b6793b2
GuLoader
67012c9555804fbfe82f17ee6d7d09196ed356053e2e778f49a998a4b718d6a6
GuLoader
691b3c73fa3301b9c36de80df0e7aa9d551a87ccc77a04b93786d6f1f5a41969
GuLoader
a81759cc686cbbf9946cc49e6bf06907532e57d9ff167e061e3993fb0c0fd1b7
GuLoader
ab2036dc90a503a003ed28e17ed2cf24001848be05580b6246656f88abe01c86
GuLoader
dd39027f02b3a47cb2677440f59575089a0673f134cff175d908be574ebc80ac
GuLoader
dfdedc4060f4944298bcdf25778b7f7eaaef43fdae61238d7debf88825e66294
GuLoader
efc035ff598957f35768f2d84721bbec76633c60538eda9d5ec53092f4384237
GuLoader
+ 217 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230211-egs37acb77/
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Unpacked files
SH256 hash:
982c5fb7ada7d8c9bc3e419d1c35da6f05bc5dd845940c179af3a33d00a36a8b
MD5 hash:
0ff2d70cfdc8095ea99ca2dabbec3cd7
SHA1 hash:
10c51496d37cecd0e8a503a5a9bb2329d9b38116
Link:
https://www.unpac.me/results/1722d990-70cb-43a3-b28d-9247b0c6d3b1/
SH256 hash:
daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310
MD5 hash:
bc96ccf72ae8398eaec3db1cf9dfadb1
SHA1 hash:
c197b81b881d2a959742607401dbe731461ad738
Link:
https://www.unpac.me/results/1722d990-70cb-43a3-b28d-9247b0c6d3b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310

File information

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

Malspam

GuLoader

Executable exe daa7879d15681dbf9834e1a0b814b359a2faeb55ca567a263298c3ab4085f310

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/363713/

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