MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90
SHA3-384 hash: 01d71c983295dfd86d42af4bb66e3764222447ca12a8b5c0b31cc4de0cf3952ec79fcad4e80eaab11fbbc2bbad9ed73d
SHA1 hash: ce50421738d5fb3108fe147dfdea5733fb01e19e
MD5 hash: f919de1034edc7b8a4a5a8aa8f0067dd
humanhash: fish-thirteen-lamp-eleven
File name:http___185.246.221.143_pl2.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:272'936 bytes
First seen:2022-12-08 16:16:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e221f4f7d36469d53810a4b5f9fc8966 (118 x GuLoader, 28 x RemcosRAT, 21 x Formbook)
ssdeep 6144:MtXZXPanzcQUuLgsNG0BPspB4nAFmklJB:Mtsz5DLgsp5ngDlj
TLSH T14544DF01AF88D456CC5207B1493E865DE733AE76263046CF1F4E3EA96BF268AE41F507
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)
Reporter Racco42
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Glaizie
Issuer:Glaizie
Algorithm:sha256WithRSAEncryption
Valid from:2022-10-16T01:42:56Z
Valid to:2025-10-15T01:42:56Z
Serial number: -7ce864fc4a10ea5e
Thumbprint Algorithm:SHA256
Thumbprint: ce5f2a18bba89f85e20b415db5d854fcf19560457dba2667f522cdc733dbd84d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
Desktop.rar
Verdict:
Malicious activity
Analysis date:
2022-12-09 15:39:42 UTC
Tags:
loader guloader
Link:
https://app.any.run/tasks/90d0776b-62cc-4ff1-9cca-0eeb8463e088

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/344423/
Detection(s):
SecuriteInfo.com.HEUR.Trojan-Downloader.Win32.Minix.gen.26538.25021.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63920dff527933be940d5b0b/reports/72552336-e9ae-4e2f-8358-b2582fcc4fcf/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:
Unknown
Link:
https://analyze.intezer.com/analyses/5dcbeccc-386d-4be3-91be-cb9ebd607392
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130897
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
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
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 763621 Sample: http___185.246.221.143_pl2.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 36 yaman-style.com 2->36 38 www.yaman-style.com 2->38 40 21 other IPs or domains 2->40 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 5 other signatures 2->64 11 http___185.246.221.143_pl2.exe 5 24 2->11         started        signatures3 process4 file5 30 C:\Users\user\...\Dataingenirernes.Hyp, data 11->30 dropped 32 C:\Users\user\...\System.ValueTuple.dll, PE32 11->32 dropped 34 C:\Users\user\AppData\Local\...\System.dll, PE32 11->34 dropped 72 Tries to detect Any.run 11->72 15 http___185.246.221.143_pl2.exe 6 11->15         started        signatures6 process7 dnsIp8 48 185.246.221.143, 49824, 80 LVLT-10753US Germany 15->48 50 Modifies the context of a thread in another process (thread injection) 15->50 52 Tries to detect Any.run 15->52 54 Maps a DLL or memory area into another process 15->54 56 2 other signatures 15->56 19 explorer.exe 15->19 injected signatures9 process10 dnsIp11 42 ecobrain.biz 81.169.145.90, 49845, 80 STRATOSTRATOAGDE Germany 19->42 44 foozitive.com 159.8.122.130, 49834, 80 SOFTLAYERUS United States 19->44 46 13 other IPs or domains 19->46 66 System process connects to network (likely due to code injection or exploit) 19->66 23 systray.exe 19->23         started        signatures12 process13 signatures14 68 Modifies the context of a thread in another process (thread injection) 23->68 70 Maps a DLL or memory area into another process 23->70 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90/
Threat name:
Win32.Downloader.Minix
Create hunting rule
Status:
Malicious
First seen:
2022-12-06 16:15:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
7 of 26 (26.92%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhhdd5xtzwnguybxyqi2csc35y26vkjzmx6gztbl3bl4tep4vwia._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:d06c discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/221208-trcxaadd9v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1ccf0cdd-8723-4f6f-bbd8-6675398a8268
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
Link:
https://www.unpac.me/results/3a5f39aa-d38c-4174-a9de-e0fa5251b6fb/
SH256 hash:
cee2b7c57f4d5082097058ac319bea528f226ac8933c2a9ab502b8ff95855480
MD5 hash:
94638eec055174e13732c82801fbe6de
SHA1 hash:
3ea9b31e6bf1f3f87f5e853ca72289452dc7b8f3
Link:
https://www.unpac.me/results/3a5f39aa-d38c-4174-a9de-e0fa5251b6fb/
SH256 hash:
81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90
MD5 hash:
f919de1034edc7b8a4a5a8aa8f0067dd
SHA1 hash:
ce50421738d5fb3108fe147dfdea5733fb01e19e
Link:
https://www.unpac.me/results/3a5f39aa-d38c-4174-a9de-e0fa5251b6fb/
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/81ce31f6f3cd9a6a6037c411a1485bee35eaa93965fc6ccc2bd857c991fcad90

File information

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

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2449337/
Cape
Cape
https://www.capesandbox.com/analysis/344423/

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