MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47. 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: 6


Intelligence 6 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47
SHA3-384 hash: c397fe85e780f673f98bbea9737dc1b057f73c4ffe54d2971ad7da3ee5112ed86bee878959fe72b9ebfc2fbbb5578ed9
SHA1 hash: 97a15f594479af8004e82307b76c91319ea2e5df
MD5 hash: 70e9b753cb1f4f173c75c0d85f5e5a48
humanhash: april-aspen-muppet-single
File name:70e9b753cb1f4f173c75c0d85f5e5a48
Download: download sample
Signature GuLoader
Create hunting rule
File size:126'976 bytes
First seen:2021-10-18 09:38:21 UTC
Last seen:2021-10-18 12:23:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash fd2a350e6b9d34ec5cf88c61afb9d41f (3 x GuLoader, 1 x RemcosRAT)
ssdeep 1536:kSXSFqLB1inqw8lIFhQZjPNTGYLEiNFVZ1Kefrg6roVU2hmhLB:VXSCOnEIF+PNCYwAbKejrF2E
Threatray 5'576 similar samples on MalwareBazaar
TLSH T13CC35BE2A5F22FE0E053467F93E28B257537FD5009255E0AF4CD7D2D2EB2681A46234E
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter zbetcheckin
Tags:32 exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198098/
Detection(s):
SecuriteInfo.com.__vbaHresultCheckObj.557.169.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/616d40b8db358dd15ebef41d/reports/7d3d6aa5-1816-43c1-a3f3-c54969d9f8c1/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.
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fa6b94a-b1cd-4941-a6ea-517713f5354d
Result
Threat name:
GuLoader FormBook
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/872133
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Found malware configuration
GuLoader behavior detected
Hides threads from debuggers
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Potential malicious icon found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1703 Sample: tgSQwVSEzE.exe Startdate: 18/10/2021 Architecture: WINDOWS Score: 100 56 www.bjyxszd520.xyz 2->56 58 www.visionmark.net 2->58 60 51 other IPs or domains 2->60 76 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->76 78 Multi AV Scanner detection for domain / URL 2->78 80 Potential malicious icon found 2->80 84 12 other signatures 2->84 11 tgSQwVSEzE.exe 1 1 2->11         started        signatures3 82 Performs DNS queries to domains with low reputation 56->82 process4 signatures5 102 Creates autostart registry keys with suspicious values (likely registry only malware) 11->102 104 Creates multiple autostart registry keys 11->104 106 Tries to detect Any.run 11->106 108 Hides threads from debuggers 11->108 14 tgSQwVSEzE.exe 9 11->14         started        process6 dnsIp7 68 45.137.22.77, 49794, 49852, 49857 ROOTLAYERNETNL Netherlands 14->68 110 Modifies the context of a thread in another process (thread injection) 14->110 112 Tries to detect Any.run 14->112 114 Maps a DLL or memory area into another process 14->114 116 3 other signatures 14->116 18 explorer.exe 5 6 14->18 injected signatures8 process9 dnsIp10 62 www.ideemimarlikinsaat.com 178.18.193.120, 49806, 49820, 49834 VARGONENTR Turkey 18->62 64 www.hsvfingerprinting.com 162.144.181.154, 49826, 80 UNIFIEDLAYER-AS-1US United States 18->64 66 24 other IPs or domains 18->66 50 C:\Users\user\AppData\Local\...\ynrj8c.exe, PE32 18->50 dropped 86 System process connects to network (likely due to code injection or exploit) 18->86 88 Benign windows process drops PE files 18->88 23 wscript.exe 1 12 18->23         started        26 ynrj8c.exe 1 18->26         started        28 ynrj8c.exe 1 18->28         started        30 ynrj8c.exe 1 18->30         started        file11 signatures12 process13 signatures14 90 Tries to steal Mail credentials (via file access) 23->90 92 Self deletion via cmd delete 23->92 94 Creates multiple autostart registry keys 23->94 100 5 other signatures 23->100 32 cmd.exe 2 23->32         started        35 cmd.exe 1 23->35         started        37 firefox.exe 23->37         started        96 Tries to detect Any.run 26->96 98 Hides threads from debuggers 26->98 39 ynrj8c.exe 7 26->39         started        42 ynrj8c.exe 7 28->42         started        44 ynrj8c.exe 30->44         started        process15 file16 70 Tries to harvest and steal browser information (history, passwords, etc) 32->70 46 conhost.exe 32->46         started        48 conhost.exe 35->48         started        52 C:\Users\user\AppData\Local\...\forgudel.exe, PE32 39->52 dropped 54 C:\Users\user\AppData\Local\...\forgudel.vbs, ASCII 39->54 dropped 72 Tries to detect Any.run 39->72 74 Hides threads from debuggers 39->74 signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47/
Verdict:
unknown
Similar samples:
0c8b9ba8bdd9a1d91ba4d61c81480b7337e6189fb0836301d71e90fa6adec8b6
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41ab72f9ce1e64f569029d8b3f8c2fdf680fb75113b8d7451bc8d988cd5f6bd2
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44eacb84c8ae24a115769db8bb7fca7d2ad14cf70a905bb57d54b175ffa4da60
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55703ed5643143dc84f5c746c712a56e46c8c6cdb18456eaf46e6c6f085d92b7
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8bef4e95bce87f7580bd453b8e4ef5a434d1587d9bb98a2b550154349c92b612
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8e0175dbc0adf7b6f722f00f4f03af8a5848a17c83652de0822ba19fdcf3f382
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952c1bc7773c529d609f5eac3d5268274cec23eb495ca6ce78a866a73f96aa24
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bf41232cf8f3b7a59706152858b300a9c7af30e7e0291f120dfd38657daf5b9c
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dcac13ea9cabdb1cf79c2afaf817ad2eabfba2de2db22cd730b9883d02c9c9d0
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efc65dfa10179e26ab832705d131228409c16c545445ece35bdc539d8be214f6
GuLoader
+ 5'566 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/211018-lmmlxsdch2/
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47
MD5 hash:
70e9b753cb1f4f173c75c0d85f5e5a48
SHA1 hash:
97a15f594479af8004e82307b76c91319ea2e5df
Link:
https://www.unpac.me/results/cb3e83ad-4ecc-4dc4-9af5-1415ed46ffc7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47

File information

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

Web download

GuLoader

Executable exe ed77b015d1ca486b1820727ec913ee0c42b3f622dae4ab25c9605f34ea13ba47

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1690531/
Cape
Cape
https://www.capesandbox.com/analysis/198098/

Comments


Avatar
zbet commented on 2021-10-18 09:38:23 UTC

url : hxxp://107.172.13.131/00055000/vbc.exe