MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
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SHA256 hash: ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e
SHA3-384 hash: b79adce51ce7a66944ec87aad8c52e9655a8b792319ddffee93063f726b7568ff54197c9d65b4383627b05108a617753
SHA1 hash: 48e28f2fcb7a13efa879b99b14ba52571b6e5224
MD5 hash: cc19c69f756ab25010c68a64b03f2eee
humanhash: earth-purple-william-johnny
File name:REQUEST FOR QUOTATION.exe
Download: download sample
Signature Formbook
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File size:260'276 bytes
First seen:2021-10-21 13:39:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/crEZe0DNzwg7f7qKvWghBaJ4JCe/IVtg7MxY0bJv0T:CerEZbDug7zqitwI/Ug7VsE
TLSH T16C44221676C1D08BC0410AB539758B1ADBBADA08D1293A5B37E15F7B28397CBC35C6B3
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/199100/
Detection(s):
Porcupine.Generik.KLCIGLB.102185.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed
Link:
https://www.filescan.io/uploads/61716db59a5a1e91c5cb951f/reports/a92226df-48b8-441c-a4c5-3fb5de97b066/overview
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/385b6a80-69cb-4c3b-958a-65f3f6888595
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874603
Signature
Antivirus detection for dropped file
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)
Multi AV Scanner detection for dropped file
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
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 virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 507028 Sample: REQUEST FOR QUOTATION.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 31 www.wf-lc.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 8 other signatures 2->45 11 REQUEST FOR QUOTATION.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\skjesair.dll, PE32 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 REQUEST FOR QUOTATION.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.theassistant46.com 18->33 35 soyinversionista.lat 50.87.182.158, 49831, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 12 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Uses netsh to modify the Windows network and firewall settings 18->49 22 netsh.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2021-10-21 02:06:20 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrfagkgvcjjg6iasf4bztvkxwezu6ozkyjsntz2j23jhrduvnmxa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:epz2 loader rat
Link:
https://tria.ge/reports/211021-qyjrmaadc2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.pofungrealty.com/epz2/
Unpacked files
SH256 hash:
5a34b6bf2ded6dc58015403a195db41f600dc115236d39cf8a5f5b3a25fa1812
MD5 hash:
dfbe89d6e6515609a191ef090d090d27
SHA1 hash:
ee62418d8c8cc642be2f3677d94051fb3beb5f16
Link:
https://www.unpac.me/results/09375d4a-e675-46dc-a912-db89b2ba500d/
SH256 hash:
ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e
MD5 hash:
cc19c69f756ab25010c68a64b03f2eee
SHA1 hash:
48e28f2fcb7a13efa879b99b14ba52571b6e5224
Link:
https://www.unpac.me/results/09375d4a-e675-46dc-a912-db89b2ba500d/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ac4a0328d512/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac4a0328d512526f20122f0399d557b1334f3b2ac264d9e749d6d2788e956b2e

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
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/199100/

Comments