MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c926c7de61dd7fe8057e5142bbf2263004191728bc8ba132136a2fc4b7353584. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c926c7de61dd7fe8057e5142bbf2263004191728bc8ba132136a2fc4b7353584
SHA3-384 hash: 6597412f4092e47ce9ae50cb5607ec4163168e912051883b81509af6c06f270b4d65d186fb54a31b7867e27e9ba27eba
SHA1 hash: 6fb288fca1500517f8b0f5d5bf71b518d9d06ffc
MD5 hash: 26215c779ed936ff0a62924e15602969
humanhash: texas-earth-massachusetts-october
File name:9511378.jpg
Download: download sample
Signature Formbook
Create hunting rule
File size:693'248 bytes
First seen:2020-07-22 08:37:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:uv6A9jUTkVeUq2GhNenj5kHHkW7AvB+RIR1qsj0ghhsPLaJIEq0/k:uSAiYI12iNej5gEW7gPqsjXh3ap
Threatray 2'258 similar samples on MalwareBazaar
TLSH E9E4C81CA7020093C0190378D5B9FF6E92301D787A89E7F5EAA57B9BDF9176B253201E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: te.telesquadapi.live
Sending IP: 45.95.171.56
From: Sales09 <diogo.ciasulli@curuca.org>
Reply-To: info@telesquadapi.live
Subject: QUOTATION & SAMPLES FOR REQUESTED ITEMS - URGENT
Attachment: Pricelist.xls

Formbook payload URL:
http://crogtrt.com/9/9511378.jpg

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30949/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Formbook.360.24740.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394723
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249766 Sample: 9511378.jpg Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 3 other signatures 2->58 8 9511378.exe 7 2->8         started        12 pcalua.exe 1 2->12         started        14 pcalua.exe 1 1 2->14         started        process3 file4 32 C:\Users\user\chrom.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 8->34 dropped 36 C:\Users\user\chrom.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\...\9511378.exe.log, ASCII 8->38 dropped 60 Drops PE files to the user root directory 8->60 16 chrom.exe 2 8->16         started        19 cmd.exe 1 8->19         started        21 chrom.exe 3 12->21         started        signatures5 process6 signatures7 40 Writes to foreign memory regions 16->40 42 Allocates memory in foreign processes 16->42 44 Injects a PE file into a foreign processes 16->44 23 AddInProcess32.exe 16->23         started        25 reg.exe 1 1 19->25         started        28 conhost.exe 19->28         started        46 Antivirus detection for dropped file 21->46 48 Multi AV Scanner detection for dropped file 21->48 50 Machine Learning detection for dropped file 21->50 process8 signatures9 30 WerFault.exe 28 10 23->30         started        62 Creates an autostart registry key pointing to binary in C:\Windows 25->62 process10
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c926c7de61dd7fe8057e5142bbf2263004191728bc8ba132136a2fc4b7353584/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 08:39:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zetmpxtb3v76qbl6kfblx4rggacbsfzixsf2cmqtnix4jnzvgwca._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
00983a8176276beea115d21fef7919c49b29b96d78dbc2151cc04cc7d8c95b35
Formbook
371a78d5f848b70de0d716586851eec55e92fc1e4e5898943c62c67a99c9e07a
Formbook
49a63eb1c6fd5d4b22396bb8a8397c3bf124c3f94d104bc2a7a304f4457b4526
Formbook
7910fbd27cb1e4fd04a3356d45036821ed924ef1b8de3117d677be4938cb5140
Formbook
8f06b49b371c6b257b716689b767ebf4bbc75391d0cf152b9bbe498ef55d017c
Formbook
91697cd8a51a4ae62a60c66519eabd0a4f5160fa409fa1f6837f40c448eccc05
Formbook
9963cb9f95312d222c99fac596b5bf02d81ace63ebde79c37e2312d3e2ecd32f
Formbook
9f53e0ba2145f3e5c599392f4420513df545be0f4a5034310eb149672d5c44e5
Formbook
a6009a6b0724811f3bb71fc6f0c6b3b1aad71448948175949c7eb8af82034e91
Formbook
e8edf009c1c82f348ad925f7f9a34b4f241d52240c6cb43ab4536c4b363d5322
Formbook
+ 2'248 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200722-zv512evjke/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c926c7de61dd7fe8057e5142bbf2263004191728bc8ba132136a2fc4b7353584

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

Formbook

Excel file xls 5143f152bfa6523c1bc4065f79cc8978ee22f309d67a0b583afb477b0a5f539c

Formbook

Executable exe c926c7de61dd7fe8057e5142bbf2263004191728bc8ba132136a2fc4b7353584

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/417707/
  
Dropped by
MD5 3a2f24b32b1cf7a53f63505daf4870c5
  
Dropped by
SHA256 5143f152bfa6523c1bc4065f79cc8978ee22f309d67a0b583afb477b0a5f539c
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/30949/

Comments