MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
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SHA256 hash: 5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df
SHA3-384 hash: 07e56bc282bec42f7e144fea9613179ed12c453bdb436e7d9ecdcb4107a9dc4999b40222c83d71e7c203b33fa226da52
SHA1 hash: 85e1c47958f8aa2f46e091c40e6d06bb055f169c
MD5 hash: f51ea1337e8dadc12dbdbf352c886c60
humanhash: triple-utah-south-asparagus
File name:f51ea1337e8dadc12dbdbf352c886c60.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:436'736 bytes
First seen:2021-12-20 15:26:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:Du2iNzuSK3Val133DYgDpjzZ/QM7cxyTUo:C1gSK3VWYgFZ/zcwgo
Threatray 12'468 similar samples on MalwareBazaar
TLSH T14D94F189FA27EEE9E92843B835715C251F76C81A94DDEA6D198732AB0534303118FDCF
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215491/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c0a0c98991ba72b38eaf49/reports/e0813534-336c-4e80-8a44-28641924edce/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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6554e5bd-1d0d-401f-8f6c-c67045029918
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/910367
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 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: 542846 Sample: nbg6l8NcIU.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 31 www.investordefence.com 2->31 33 www.csenmoga.com 2->33 35 investordefence.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 7 other signatures 2->49 11 nbg6l8NcIU.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\nbg6l8NcIU.exe.log, ASCII 11->29 dropped 63 Tries to detect virtualization through RDTSC time measurements 11->63 65 Injects a PE file into a foreign processes 11->65 15 nbg6l8NcIU.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 Queues an APC in another process (thread injection) 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.edutechtainment.net 185.151.30.176, 49804, 80 TWENTYIGB United Kingdom 18->37 39 palisadestahoe-ski.com 15.197.142.173, 49773, 80 TANDEMUS United States 18->39 41 12 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 wscript.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-12-20 15:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08040f352684d740d9fa767c3315fb1636394dec01f35abe84ad7116cd735fb4
Formbook
166559731ad15341f955bf8a16708f93542bef868c33f02f70e9b27f57b991a3
Formbook
1bdc41058e53e885ccf81cf42ddac59733b6608f40719017dde98ac33ed8b8f5
Formbook
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
46fa7e230e5d8398c15c24dd78906dcf50da9bb1d2cfd8682ad7f2f80819a3a8
Formbook
5f5195f363ef21135a5b5298c2a3576bd03125eec094d769b25296eb0a2605b9
Formbook
9e4e02725cde43b4da85cdf054b11ad0e4a622bb54f4a967b1634ebcaea9666a
Formbook
d37aa13c134ce2c1938ce9b4745cfe5af5c3b8348bc7b669731592596bef5e48
Formbook
fafcee9b031f24dbd150b43afbb5cac24bbdccfa4125f4f3017bdd8e94926e9e
Formbook
+ 12'458 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:nxqc loader rat
Link:
https://tria.ge/reports/211220-svrdeabab9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
74c46b43c07e8d6a9ffff3227471e71324afa89c2769e4fe14b36b54ad998a6a
MD5 hash:
dae3339e1a6f423785adea0c223c0309
SHA1 hash:
9449e3b0fbce8287d4b40c257f3d7ff2e2931cf6
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/a3478549-bc59-44e8-8a3a-fe9f6c2a1ea4/
SH256 hash:
df9606eb7472aa72c1ec0934acbd72c6eec2bf7317959542f7e38fd1e4989c59
MD5 hash:
9b3c0c8e4a206b4c085fda17583e4664
SHA1 hash:
8961b9067ea80dc0952bce9309f786ed91faec2f
Link:
https://www.unpac.me/results/a3478549-bc59-44e8-8a3a-fe9f6c2a1ea4/
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
Link:
https://www.unpac.me/results/a3478549-bc59-44e8-8a3a-fe9f6c2a1ea4/
SH256 hash:
5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df
MD5 hash:
f51ea1337e8dadc12dbdbf352c886c60
SHA1 hash:
85e1c47958f8aa2f46e091c40e6d06bb055f169c
Link:
https://www.unpac.me/results/a3478549-bc59-44e8-8a3a-fe9f6c2a1ea4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 5919fe9153a8dde8154efd94fd0df3d858ff8558ae51165c13966f844a6090df

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1881590/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/215491/

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