MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481
SHA3-384 hash: d260d74e5c45858db71620d8c818ba3bb0f2fac7f6934e69800df008abe1db7387750f53a093559a761a270d08e2e1e2
SHA1 hash: f9c33fad3848d43f5cd603c9aa4337d4fbf58f92
MD5 hash: ae1b2875e6dbc6faba854a3c935f0a5d
humanhash: white-solar-twenty-finch
File name:Misknew84.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:1'279'392 bytes
First seen:2023-04-18 10:49:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 24576:WO5oHCRjASXCjjpNNUcm6R2s6WQtlAN3f4sjou7vNfAvUiDFhs:WOCHCJ/UNcdsktluTjou7RQfe
Threatray 1'683 similar samples on MalwareBazaar
TLSH T1D24523616754C96FC164B73B9F3AC4B9C36BB53629307B0E0304BBE5A979242921F78C
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 58eed21429a9d0d4 (2 x Formbook, 1 x GuLoader)
Reporter madjack_red
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-05T01:49:41Z
Valid to:2026-03-04T01:49:41Z
Serial number: 63319d215f1752da163afda0e70e2adc518f81d2
Thumbprint Algorithm:SHA256
Thumbprint: d3d9a22392921dde83c6065e07da15a894f047c68cdda78a242379a4c862d4c5
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FRA-207754 - pdf.rar
Verdict:
Malicious activity
Analysis date:
2023-04-18 07:45:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca70ad5f-ddcf-42bc-b448-98d56114be0f

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/382981/
Detection(s):
SecuriteInfo.com.FakeAV.CXA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll zbot
Link:
https://www.filescan.io/uploads/643e75dc000396b4e9992ce1/reports/5f4b5a4b-d119-40c8-8fdf-ba6beb74771c/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481
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/555bd8d6-2cd7-4cf0-a44e-b9c2b509882d
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1215857
Signature
Antivirus detection for URL or domain
Found potential ransomware demand text
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 848781 Sample: Misknew84.exe Startdate: 18/04/2023 Architecture: WINDOWS Score: 100 40 yourbestversioneua.com 2->40 42 www.yourbestversioneua.com 2->42 44 22 other IPs or domains 2->44 64 Snort IDS alert for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 6 other signatures 2->70 11 Misknew84.exe 1 39 2->11         started        signatures3 process4 file5 32 C:\Users\user\Manna\...\HidHook.dll, PE32+ 11->32 dropped 34 C:\Users\user\Manna\...\libzmq.dll, PE32+ 11->34 dropped 36 C:\Users\user\Manna\...\libfreetype-6.dll, PE32+ 11->36 dropped 38 3 other files (none is malicious) 11->38 dropped 82 Tries to detect Any.run 11->82 15 Misknew84.exe 6 11->15         started        signatures6 process7 dnsIp8 52 drive.google.com 172.217.18.14, 443, 49835 GOOGLEUS United States 15->52 54 googlehosted.l.googleusercontent.com 216.58.212.161, 443, 49836 GOOGLEUS United States 15->54 56 Modifies the context of a thread in another process (thread injection) 15->56 58 Tries to detect Any.run 15->58 60 Maps a DLL or memory area into another process 15->60 62 2 other signatures 15->62 19 RAVCpl64.exe 15->19 injected signatures9 process10 process11 21 svchost.exe 13 19->21         started        signatures12 72 Tries to steal Mail credentials (via file / registry access) 21->72 74 Tries to harvest and steal browser information (history, passwords, etc) 21->74 76 Writes to foreign memory regions 21->76 78 3 other signatures 21->78 24 explorer.exe 2 1 21->24 injected 28 firefox.exe 21->28         started        process13 dnsIp14 46 yourbestversioneua.com 108.179.252.69, 49890, 49891, 49892 UNIFIEDLAYER-AS-1US United States 24->46 48 agenciaeducar.store 162.240.81.18, 49854, 49855, 49856 UNIFIEDLAYER-AS-1US United States 24->48 50 13 other IPs or domains 24->50 80 System process connects to network (likely due to code injection or exploit) 24->80 30 WerFault.exe 4 28->30         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-17 09:21:32 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4u2t74t62cmn6mcvqnmvueyog3wwrijheaw6gdxzmpjkpdncasaq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
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12748aea84778652c1b2fef43117bdb42de3061f4a4376927ca27154cce42013
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29d58f95baae09dc7c45b4185c2d3c221b4d20b6f1b99575302112211493464e
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3ab1320757d68dbf0e5eb5d31cf81247952c244bbfbda9466cd83d112efc2c72
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3f6b1b62fd63112b0626567e8cd6a9179499109f1aee6fe0627d9b429add64d1
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6b2d71b9e5b1ed1d75d7eb03141735491c906c4e4dc6846bc1ef6e032507b1a5
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757ecedd9789cb6d77831f2e2c0fc312b05d9ad3e0f6d5c46e3d9c26ce325bc8
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9dea7f3e39bd54422856d3a625d94e844ac4f37ddf0ef15163a92f6aafb5c803
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c14e90c00e4990b3c80a1ed015ad0bf6fdd7fb1d083b7b4d756b5cb74f6c7cd8
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d989ab685c59463a2ae115503881d520032409525de9846d458583e4ad75fc15
GuLoader
+ 1'673 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader spyware stealer
Link:
https://tria.ge/reports/230418-mw9cqaah68/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Guloader,Cloudeye
Unpacked files
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/7438944c-24bd-41b6-8198-de0463f1f13e/
SH256 hash:
e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481
MD5 hash:
ae1b2875e6dbc6faba854a3c935f0a5d
SHA1 hash:
f9c33fad3848d43f5cd603c9aa4337d4fbf58f92
Link:
https://www.unpac.me/results/7438944c-24bd-41b6-8198-de0463f1f13e/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e5353ff27ed0/report/overview.html
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/e5353ff27ed098df305583595a130e36ed68a127202de30ef963d2a78da20481

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

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/382981/

Comments