MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae
SHA3-384 hash: 7a57172ad444b8970c54175b8853f322a52a3b84a5bd211005780b5c0ed4dc357d2c93bbb99154c01531a849d43c855f
SHA1 hash: e8f6eba225af1cb200314c75b1a8607a0da0c84e
MD5 hash: 3da917fcd4dec06abb2dcb7d01e843dd
humanhash: beryllium-black-victor-lamp
File name:Purchase Requirements.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:969'216 bytes
First seen:2021-08-02 20:59:25 UTC
Last seen:2021-08-02 22:11:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:4m5AcK8C0uPJXcvOLZHphAN+gFnTJJt7p:PlKnXcmLZHPAN9ZTvpp
Threatray 4'155 similar samples on MalwareBazaar
TLSH T17025C0212AFB505DF3A39BB61FD8B4EF4AF9F673AA19A0BA355107428331D418C51B31
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Requirements.exe
Verdict:
Malicious activity
Analysis date:
2021-08-02 21:02:58 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/292b85b9-31f7-4150-8bcb-97aed4f837b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/175889/
Detection(s):
SecuriteInfo.com.Backdoor.Fynloski.A3.1504.16943.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62f1669b-34ff-4975-af2e-e89c5d3f8a79
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825760
Signature
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 dropped file
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 458172 Sample: Purchase Requirements.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 10 other signatures 2->52 10 Purchase Requirements.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\...32mvRzIHzgNrrku.exe, PE32 10->32 dropped 34 C:\...34mvRzIHzgNrrku.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\Temp\tmp655.tmp, XML 10->36 dropped 38 C:\Users\...\Purchase Requirements.exe.log, ASCII 10->38 dropped 64 Writes to foreign memory regions 10->64 66 Injects a PE file into a foreign processes 10->66 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 2 other signatures 14->74 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 www.luvlauricephotography.com 192.185.0.218, 49753, 80 UNIFIEDLAYER-AS-1US United States 19->40 42 www.braun-mathematik.online 217.160.0.129, 49759, 80 ONEANDONE-ASBrauerstrasse48DE Germany 19->42 44 13 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 56 Performs DNS queries to domains with low reputation 19->56 25 chkdsk.exe 19->25         started        signatures10 process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-08-02 20:59:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
13 of 28 (46.43%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgrqgijeuu3jfdxj5xp664rn6ouidnfgk3dwgjcekmtuec2q6gxa._file
Verdict:
unknown
Similar samples:
1b9311365ac0c371e7e3656d8d9074a654bfff4677e074f754e5053bca200298
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
28f57adc56668022a2db544f26ea18b9015ca4ab414dd825eafc3e8c4b179c63
Formbook
321bb25b6b169c5cb108a2b1a16f5fb82307059d5876201e19cc93bf425d2616
Formbook
9914c8ad9ea0318f57214c6eb2f2e3f891b71ba054a9de071432ec92eb6bfe0d
Formbook
a086821049463b0bfc414cb3763c4f82688182d2d018ae5c9cd472f59f9e36ff
Formbook
e65caef5b39ea27f95b2514c5d347df7a6e50e8d3886b2112b5db266769fcc71
Formbook
e66332c1c306b3072699f986229b07b6230edf4b46b5b46a2e535621be13021f
Formbook
f7e96b7c6612b709e413bbc8c72796cadbb7ce91ed17ec77d5ba4d4422e729cb
Formbook
fda0e6ebd67375985d5085de99a4f09f197bf8ec7950eff540565ea8517fd8e1
Formbook
+ 4'145 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210802-z1jf62s2f6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.narrowpathwc.com/n8ba/
Unpacked files
SH256 hash:
fe75f3ae1c25c484caf5809d380a4102be60001aef157851f4dfe2265a24de2a
MD5 hash:
ca114cf819ebb6743c22b984e72947b2
SHA1 hash:
16dec16a3dafed413cf5e93b18fcf030bb7e7007
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0fcabe52-8ced-470b-b87e-4f28339fd9ab/
Parent samples :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 hash:
a55208b7ef8a2b9ed7b16a037edafda09cc087e5315d8dd2211725ebadfb53e7
MD5 hash:
b83901cf97ce87617f855bb5d66ea306
SHA1 hash:
ced53f944e5d001cc5f62d8676f8150646583470
Link:
https://www.unpac.me/results/0fcabe52-8ced-470b-b87e-4f28339fd9ab/
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
Link:
https://www.unpac.me/results/0fcabe52-8ced-470b-b87e-4f28339fd9ab/
SH256 hash:
b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae
MD5 hash:
3da917fcd4dec06abb2dcb7d01e843dd
SHA1 hash:
e8f6eba225af1cb200314c75b1a8607a0da0c84e
Link:
https://www.unpac.me/results/0fcabe52-8ced-470b-b87e-4f28339fd9ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1a3032124a536928ee9eddfef722df3a881b4a656c76324445327420b50f1ae

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/175889/

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