MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b
SHA3-384 hash: 5f6ca98865df418bf1126352062445a7ad60939f9b5c288f85a1b27440d995eeedb5528c508be9310ff98749e35409fd
SHA1 hash: 3905f0749e1c55ad4d8fb2a1969cf3f74bc0aeb4
MD5 hash: a4ef1695bddce6530a28e0d72ae7f8c4
humanhash: yellow-zebra-mobile-thirteen
File name:correction HAWB.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:139'264 bytes
First seen:2021-10-13 10:31:05 UTC
Last seen:2021-10-13 12:52:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c727a98e677fb7bd25bb06d2a2d956f1 (11 x GuLoader, 1 x Formbook)
ssdeep 1536:b60o3DE9DAGxjVgGRye1a8/RCqnDc2zp9f91pgSvcXvgsuY6FqJZ8wYut55mhLB:u0o36MBEyydnDjg4kIut5M
Threatray 753 similar samples on MalwareBazaar
TLSH T1B7D380A166B08FD8D1A79A7F13E1876035327E340912AD47FA9CBE1E4E721E0D59072F
File icon (PE):PE icon
dhash icon 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger)
Reporter GovCERT_CH
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
3
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
correction HAWB.exe
Verdict:
No threats detected
Analysis date:
2021-10-13 10:39:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c73af5a-bb3e-4237-9e48-31fcd12f10fc

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/197185/
Detection(s):
SecuriteInfo.com.__vbaHresultCheckObj.13262.11667.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Link:
https://www.filescan.io/uploads/6166b5a5fd35fe780c3cfa25/reports/5c9b5eea-e0ea-4540-933a-1160bb39ebce/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bff85a78-9f18-4c45-bc58-2f679e0439e6
Result
Threat name:
GuLoader AgentTesla
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spre.adwa.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869510
Signature
Found malware configuration
GuLoader behavior detected
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Modifies the hosts file
Multi AV Scanner detection for submitted file
Potential malicious icon found
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)
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1638 Sample: correction HAWB.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 30 mail.cselegance.com 2->30 32 cselegance.com 2->32 34 5 other IPs or domains 2->34 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Potential malicious icon found 2->52 54 Found malware configuration 2->54 56 6 other signatures 2->56 8 correction HAWB.exe 2->8         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        signatures3 process4 signatures5 58 Writes to foreign memory regions 8->58 60 Tries to detect Any.run 8->60 62 Hides threads from debuggers 8->62 15 RegAsm.exe 2 11 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process6 dnsIp7 36 cselegance.com 116.0.120.83, 49766, 587 GTC-MY-PIP-ASGlobalTransitCommunications-MalaysiaMY Malaysia 15->36 38 googlehosted.l.googleusercontent.com 142.250.185.97, 443, 49760 GOOGLEUS United States 15->38 40 drive.google.com 172.217.168.46, 443, 49759 GOOGLEUS United States 15->40 26 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 15->28 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 7 other signatures 15->48 24 conhost.exe 15->24         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b/
Threat name:
Win32.Trojan.InjectorAGen
Create hunting rule
Status:
Malicious
First seen:
2021-10-13 10:32:05 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msjz54vl5gzzpmpzto2luagh4sn6oxyuae3epshambp3l7ntwffq._file
Verdict:
unknown
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0b65815d462586870177898072a1500ec014a390eb466ea0dd716567ada4109a
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811de8503ce4a7cc2bf23387c4841694be046c532ddee322ea8a75fbaa6d0f22
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ba0751d8b1ccba23fce33d31e5f8ecf75af336cac86b5ae1d2c4306d53cd148c
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f7c8f897e59132dc4f1a8f57bb3ce13b9e72ab08fb9cc61c038f9ef618444c15
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f8abb401812eafff1ca24fbafc67d5cdb34ba384da284b55d5350a5300fb7757
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fd268c1e214dd5e0ae8dd56403ef5001769f9fc0ac5e7491c9460a52dfd2cc89
GuLoader
+ 743 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/211013-mkyf3seab4/
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b
MD5 hash:
a4ef1695bddce6530a28e0d72ae7f8c4
SHA1 hash:
3905f0749e1c55ad4d8fb2a1969cf3f74bc0aeb4
Link:
https://www.unpac.me/results/11bf0a9f-fa67-40ad-ba1a-6ae7f1c3a69c/
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/64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b

File information

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

Malspam

GuLoader

Executable exe 64939ef2abe9b397b1f99bb4ba00c7e49be75f14013647c8e0605fb5fdb3b14b

(this sample)

  
Dropped by
guloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197185/

Comments