MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
SHA3-384 hash: 7fbe5c10ee56969d5fa6c563087e32dcebc8253c4da34945677c6c125b135d5cefa8a135c2697dffb5ec560001131d7d
SHA1 hash: f9e6a6f2424c5eb03f0d8d57407cc728064533b5
MD5 hash: 5a4091786137bd9601dac27588821df5
humanhash: west-blossom-wolfram-zebra
File name:a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
Download: download sample
Signature Formbook
Create hunting rule
File size:790'528 bytes
First seen:2023-05-14 09:58:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:0sVpZCRorNdzgvxzUToxD01kJf/RzBHz19aTLyZpxTrrGKyiHP+uWtsWUt8BwD8J:M6Tww1kJfpz9jaT0frPyiv+ui28WD82
Threatray 2'902 similar samples on MalwareBazaar
TLSH T184F4053C297D1727C57AD7A58FD08427B664986B7121EE68ACD393E60306F1229C363F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter petikvx
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
Verdict:
No threats detected
Analysis date:
2023-05-14 10:07:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/86239edb-f52f-403e-8bb1-00b5dac257b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/389359/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66674669.4712.10095.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/6460b0c9ca26a28d5b91591d/reports/765c39e1-04b1-4409-896f-369d3b065b88/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0db028b-41b4-456e-af47-3c0f66d836f3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232759
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 865739 Sample: QyQ9YcOrs9.exe Startdate: 14/05/2023 Architecture: WINDOWS Score: 100 31 www.ebndeoo.store 2->31 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 6 other signatures 2->41 11 QyQ9YcOrs9.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\QyQ9YcOrs9.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 QyQ9YcOrs9.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 33 www.hygrostar.com 107.148.139.225, 49697, 80 ASLINE-AS-APASLINELIMITEDHK United States 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 wscript.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-26 20:27:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=urivomg4fpsxfladtv4l7q6d4lq37jfhg7th6ctqtmu5stdtpsta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca
Formbook
030c152d386b5849508a740eecad662de4e716ad593eb95863c93bb9be046a62
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
Formbook
3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
Formbook
8c0918e6c03961d7f82b1ac9466df259b6a1574803efdc94370f728a707af234
Formbook
9428a8cb5cf276628dfa0fe68ad6e9169a0a12eb6d00636cd64c39111ddb3aab
Formbook
b5f2e0b49faad7f9714d0b1088965647eb83d8772b234555738bcea1094dfd2f
Formbook
e843a90ec56b0efbd176b3856d811875e24b98ae6fdf77985e1b77916ab4259b
Formbook
f153dbff060014738d4acb9dd79afd626d82abc59202a6d1d6754fd7f343774d
Formbook
+ 2'892 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s17b rat spyware stealer trojan
Link:
https://tria.ge/reports/230514-lzl6xsdh3x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
402560fe2ff5821f41eb1ca46d02c23d15096e644c4fd711b54f115dc6c62eac
MD5 hash:
dcbb33afb113c05f9fe49bd9dfdc5b07
SHA1 hash:
3ed59bd7af21e25a7147d52dfdbce8f4f67ad27e
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
Parent samples :
3b86e5743a7a35e6c3e1dc7cb1a844299e7b1f9eeea5bb7e51ca0de52b808803
9428a8cb5cf276628dfa0fe68ad6e9169a0a12eb6d00636cd64c39111ddb3aab
a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
5424e934a0cfc1be041d94dd908f4ebab95d19588d7ce6e7f280b162d6c3c179
SH256 hash:
2376b7be0c4a64e745ee0127c47facbc6626dadd9014627e8d78428756d28bf5
MD5 hash:
e56f5b40a85c3526b8aaa06edaa968db
SHA1 hash:
e807cd6857d00399a8332d61503d12daab9d2834
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
SH256 hash:
58d2780bac07a53fa9ef0099c386ad23c2c5b83df99e18bbcca9895f829ef5d8
MD5 hash:
3a6ac846fbf56df68c3cb61cd18c7623
SHA1 hash:
e5b7f4e47b357f330b33330663ff5739a02d442f
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
SH256 hash:
28fd70b23da167aa6f3bbbb2e479b6831b3b39fc6de5e0393b595cdb7a9d861e
MD5 hash:
7bc1ac5cc4831a7177f4483c91475288
SHA1 hash:
c70d5d06bd780fa5aac37808d9293fe16bf12757
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
SH256 hash:
c8808b69b0f4d52c253e35b001da94086786b34162fd51daa3f17eda94bac7f0
MD5 hash:
da56041df789c24cb2a36a364431f766
SHA1 hash:
876e6c579d1092a76ce90c500c43af0cf11724a4
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
SH256 hash:
a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6
MD5 hash:
5a4091786137bd9601dac27588821df5
SHA1 hash:
f9e6a6f2424c5eb03f0d8d57407cc728064533b5
Link:
https://www.unpac.me/results/39c7f954-1650-452e-b7ff-7922d19ca9d1/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a4515730dc2b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6

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.

Web download

Formbook

Executable exe a4515730dc2be572ac039d78bfc3c3e2e1bfa4a737e67f0a709b29d94c737ca6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2614107/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/389359/

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