MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd. 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


Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: 501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd
SHA3-384 hash: 5db54455820e73cca0b998fc57e7b12e971db38324f030c818515653de766489cf73ca86fbfa52a85e05130b05554a89
SHA1 hash: c3ca8690ca00fd723d762faade7fb9ac4a60fa4d
MD5 hash: 4d33cdb280dff7561f9d2f263b58e858
humanhash: july-twelve-alanine-october
File name:correct invoice.exe
Download: download sample
Signature Formbook
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File size:728'576 bytes
First seen:2021-05-10 12:41:07 UTC
Last seen:2021-05-10 13:04:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:qT73Os2iWeKs0/YfZT1c1eNpwf9V7k1VabH519vP7M:qv3OdiWufJMeNoeMH57H7
Threatray 5'095 similar samples on MalwareBazaar
TLSH A5F4CF253388AF56D47E67391570441013F2BE07CB31EA4DBDE6A9DE0AB2F508627B27
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/154039/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779312
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 411708 Sample: correct invoice.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 36 www.invst101.com 2->36 38 www.empiresolardev.com 2->38 40 2 other IPs or domains 2->40 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 8 other signatures 2->50 11 correct invoice.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\correct invoice.exe.log, ASCII 11->28 dropped 14 correct invoice.exe 11->14         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.qizhukeji.com 208.110.82.29, 49752, 80 WIIUS United States 17->30 32 www.economiemalin.com 213.186.33.5, 49754, 80 OVHFR France 17->32 34 15 other IPs or domains 17->34 42 System process connects to network (likely due to code injection or exploit) 17->42 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2021-05-09 20:41:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kan2ohntn2p54timnkf545zu36247vjzcrjngaidhemobrer5poq._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
03735650255866b1c2592bcb4567cbcb2b9d23eea5430d2e7d7c6315abadb5ad
Formbook
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
32ea10b6bd6642663614f79f2332c45d76772db89bc7efb5d4df3bb21d9c3562
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3755206dc18df104854e076d74799c1d83d6cb6acb22a7aa22ec595c56e31abc
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441a0a46bcdfdee8c8b6761798e75a65204eac43b47547557604f80f26b87e95
Formbook
452534ffdab7839250b44f52865d7e4e60d13deec5e13637514dd614ad46539c
Formbook
489e0e46a5df58a3144cd7a3ecb1fd0e29aa2db5060084ec774f1d2c8c763fd9
Formbook
a3d951fa76fbb0f24540b97767e2d327b9bdb2e6e93721cb3da4ac5370118dbc
Formbook
a9c017e2d279ba3ef817b6db811ce21af904951e7f5a7460f1ba74c563b96cb4
Formbook
d86dafa5f676c411da4770e51dd034590dbe6dbac01ca90e0c5015a17b363b75
Formbook
+ 5'085 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210510-z7hr6twyv2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ursulaaubri.com/s5cm/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd

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_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/154039/

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