MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7. 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 2 File information Comments
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SHA256 hash: cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7
SHA3-384 hash: d8e6ea47eed6115bb3c7d4e3577f5074c0eff610275311cb318f3d144ef12c31da7095e69894d4ab9c0a114ff7d7eef2
SHA1 hash: 44327c8e26a7c662c36799c22fb683e1151371c9
MD5 hash: 4899e738fbcf5935be63cdbf2bc70c28
humanhash: don-bacon-early-beer
File name:IRQ2207799_pdf.exe
Download: download sample
Signature Formbook
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File size:1'084'416 bytes
First seen:2022-03-29 16:32:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:4gjj045Yj+7u4phqp97cbNRElmDQWm8Goavdx6qL7XhM:59A+i4phqpFcbNRImpGogju
Threatray 14'815 similar samples on MalwareBazaar
TLSH T151351211F2E80AA9D56B52BA693184002376FB2F420DD74D29FA718F5E767C30067F6B
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259346/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.16240.22343.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/624334bf1f204239484c2ecf/reports/18ff1ac7-ec14-4e5c-b90c-a1406bb33d53/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/5bfccf52-d211-4db6-adee-ea1d92ed2103
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966915
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 599402 Sample: IRQ2207799_pdf.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 12 other signatures 2->42 10 IRQ2207799_pdf.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\IRQ2207799_pdf.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 IRQ2207799_pdf.exe 10->14         started        signatures5 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.ceonsolutions.info 17->30 32 www.newdealny.com 74.220.199.6, 49822, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 rundll32.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-29 16:33:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zp35vshojxkg2shxudlpask5hut66uyz7uc2zyck5j575fx6thdq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2c81b04d9509cf29e05309b84972fa9bf47b34bdf64032ade464fcc55a54a1b8
Formbook
3e3ccb3b130c86bb2d82a52f8a7e191efa9499577ba0a3d3f335d5a1e1597b76
Formbook
9cfa1deda62a35bf8c2211bf4c1996d880c84c4242308a5d74403a570d70e066
Formbook
d0d6b8f342215efb1adba27088bb7f6dfe14dd3734612aecf1124b121c3a7cc6
Formbook
d61835164215f1881467e717012874796721d02a9995733190b7d831733754c6
Formbook
de9fdb344c542595de3ddf65357a6982f0085d0f7b42c1de534c3963134c2cb3
Formbook
e073516efee850dda1e008bcd82c3160cb867dda001bec42d76f6aa6af82a257
Formbook
f199872c7181357c0f97b1c5415251a41b0588af401461f319fafe94b2ed4653
Formbook
+ 14'805 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:e0l9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220329-t2hwaacchr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7
MD5 hash:
4899e738fbcf5935be63cdbf2bc70c28
SHA1 hash:
44327c8e26a7c662c36799c22fb683e1151371c9
Link:
https://www.unpac.me/results/d74be715-5dd5-498b-a4a9-f9ac6064e6af/
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/cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7

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
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.

Malspam

Formbook

Executable exe cbf7dac8ee4dd46d48f7a0d6f0495d3d27ef5319fd05ace04aea7bfe96fe99c7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/259346/

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