MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13
SHA3-384 hash: dabfb10a6ced1448f104b21bf71477e00f301a34500dde3f75464763e3fa7e7c0474dc1aa96e336bde9527aab3a66d42
SHA1 hash: 5c22ff6f9be406c256b52ce90016e6337dcae839
MD5 hash: 54b7cefd046a21f4eb5efb86a4e6b137
humanhash: alabama-hydrogen-steak-tango
File name:Receipt.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:302'576 bytes
First seen:2023-05-03 10:44:55 UTC
Last seen:2023-05-03 11:41:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 93dfc16ed07ebeb5b405221f10d12c0e (30 x GuLoader, 4 x RemcosRAT, 1 x AgentTesla)
ssdeep 6144:gs+K8okht/btpwgq0KPVULK9YeMU5LDBM74DUDwpo2J/gRpmr:g64jt2H0KtULK91DAuUDwbh9
Threatray 20 similar samples on MalwareBazaar
TLSH T1F95412C56F40C0D7FEE742B0484AFB177635EE6940248A1FD3A97E53B971382A91D28E
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 dc9c98d991285458 (17 x GuLoader, 6 x Formbook, 6 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-28T04:03:30Z
Valid to:2025-08-27T04:03:30Z
Serial number: 6b4982340e7a223e352925e24d141bd9344f0c27
Thumbprint Algorithm:SHA256
Thumbprint: d20cedec913cafc334430108f98f85f07ffe08afb5797a6e007669fe3b614ade
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
254
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Receipt.exe
Verdict:
Malicious activity
Analysis date:
2023-05-03 10:45:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d92d0830-957d-4e28-a2b4-0d6cc1c0233e

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/386232/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65709374.28862.13649.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/82291/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64523b35d7f41b9c67316c81/reports/12214373-e15b-437e-a600-09396d75ea9e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13
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/530ac749-0d01-4b5f-b1b2-1590fbb4ac73
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1225251
Signature
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 858214 Sample: Receipt.exe Startdate: 03/05/2023 Architecture: WINDOWS Score: 88 40 www.velvetplayground.com.au 2->40 42 velvetplayground.com.au 2->42 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected GuLoader 2->50 52 2 other signatures 2->52 8 Receipt.exe 1 31 2->8         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\Fedteraset.Bes, data 8->34 dropped 36 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\System.dll, PE32 8->38 dropped 54 Mass process execution to delay analysis 8->54 56 Tries to detect Any.run 8->56 12 Receipt.exe 8->12         started        16 powershell.exe 8->16         started        18 powershell.exe 8->18         started        20 71 other processes 8->20 signatures6 process7 dnsIp8 44 velvetplayground.com.au 162.241.149.193, 443, 49820, 49822 UNIFIEDLAYER-AS-1US United States 12->44 58 Tries to detect Any.run 12->58 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 68 other processes 20->32 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-28 03:42:39 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sk3ufk3z7oi54rntxehnxt3ekfpsdsyq6fmf5bunslv7hragb4jq._file
Verdict:
malicious
Similar samples:
1390ffaba8428295de1c41cb39358e5de9ab79868b1f79a6697fd9e72e23e6ee
GuLoader
1cd3cee13fd4653e084327ebf599147a9bcddf5213b332ae928f63f551d3b3f0
GuLoader
3a5ec656b7ac0c3c49b84b396af79a7d899ba525251084b7dfbdea4f95d04388
GuLoader
637dd01e0c2df40b6e16752dc10bddd8e446b25254499a0d5e56cea62efba73c
GuLoader
79e1fc85396ae65e8431f8ceb92fefb5ec396381840d830c415ea2d81cb78a49
GuLoader
7dcbdd10f6e8cdf4c3d982ad15810b978a9b269f8ff525ec1e9187a4d0baf715
GuLoader
7eb60e087050a8429a68dcf26beb489315dab14ac3b09e00611d349c38055545
GuLoader
80ba5d77bf23701d83f91b9158e5b3ba36e01c83f2b2469aada56e81a428a224
GuLoader
b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f
GuLoader
b98d60109c9ccfaac33c719992c026b59e3bc54bbe9fe24bc0fecaa016a02959
GuLoader
+ 10 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230503-mtd4ssed27/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
ec156cb0f64588f8c34a7d45c57b250779143cf3816081829810a017f0cf966f
MD5 hash:
b3017435b63a99f6a3037cfe0c7c8b1e
SHA1 hash:
41a582b60f099b65f95ac64e1a5cdce0356a6b6f
Link:
https://www.unpac.me/results/ee788e6b-f151-4e09-8deb-a97caa2f706d/
SH256 hash:
9352c8971d0046a5526da1889f841eab8ef695e4786b6656f06af289cf32de44
MD5 hash:
402792a47412801287bc610a15cd6076
SHA1 hash:
f2990ac9e903bec596266bf1a1c340ec90ed4ee6
Link:
https://www.unpac.me/results/ee788e6b-f151-4e09-8deb-a97caa2f706d/
SH256 hash:
92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13
MD5 hash:
54b7cefd046a21f4eb5efb86a4e6b137
SHA1 hash:
5c22ff6f9be406c256b52ce90016e6337dcae839
Link:
https://www.unpac.me/results/ee788e6b-f151-4e09-8deb-a97caa2f706d/
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/92b742ab79fb91de45b3b90edbcf64515f21cb10f1585e868d92ebf3c4060f13

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

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/386232/

Comments