MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf
SHA3-384 hash: 508dd9129818cd3bd75f8e659dc2bc506dc1589d48ed5e11ba6e838522aaf25a3b1f8cbe3daeda913df6461a67af34fe
SHA1 hash: 9abd15c6bc542b0bd8baa79f90540dd7f1f80af1
MD5 hash: 085f6796a761a1f1dd252ef348f2fe69
humanhash: asparagus-pluto-vegan-maryland
File name:Quotation.exe
Download: download sample
Signature Formbook
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File size:489'472 bytes
First seen:2021-02-17 17:41:40 UTC
Last seen:2021-02-17 19:56:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Xd9ozJLSibqU65lOAVQsuCwBivjcK95u1t09b:LozlSDUiVQsVaIF
Threatray 3'806 similar samples on MalwareBazaar
TLSH 7BA4CF2233D4CB66E47967B59021C3F013F1FC068226E30BAD997D9B7CA56C586A63D3
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.20972.820.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/610685
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 354361 Sample: Quotation.exe Startdate: 17/02/2021 Architecture: WINDOWS Score: 100 34 www.send86cells.com 2->34 36 www.integrative-teletherapy.com 2->36 38 integrative-teletherapy.com 2->38 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 8 other signatures 2->58 11 Quotation.exe 3 2->11         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 11->32 dropped 68 Tries to detect virtualization through RDTSC time measurements 11->68 70 Injects a PE file into a foreign processes 11->70 15 Quotation.exe 11->15         started        18 Quotation.exe 11->18         started        signatures6 process7 signatures8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 20 explorer.exe 15->20 injected process9 dnsIp10 40 czj.ppbk4.com 182.255.60.125, 49755, 80 LEMON-AS-APLEMONTELECOMMUNICATIONSLIMITEDHK China 20->40 42 physicianrepresentative.com 34.102.136.180, 49751, 80 GOOGLEUS United States 20->42 44 14 other IPs or domains 20->44 60 System process connects to network (likely due to code injection or exploit) 20->60 24 WWAHost.exe 12 20->24         started        signatures11 process12 dnsIp13 46 www.175a45.xyz 24->46 48 101.133.157.205, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 24->48 50 101.37.89.20, 80 CNNIC-ALIBABA-CN-NET-APHangzhouAlibabaAdvertisingCoLtd China 24->50 62 Modifies the context of a thread in another process (thread injection) 24->62 64 Maps a DLL or memory area into another process 24->64 66 Tries to detect virtualization through RDTSC time measurements 24->66 28 cmd.exe 1 24->28         started        signatures14 process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
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Status:
Malicious
First seen:
2021-02-17 12:27:17 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wb4h6uok6rbzaetm7mpie7kuqe4qehrqxsrm6lrjtel6uv4ivc7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a2e7c9ad53b5355f4f723912d07f9dae7d1e2d72ac62758cdc44196f124945e
Formbook
149bc7bb666f2eabcf946822bd316709ddeeef787f059687415f98c71ad47783
Formbook
170eb254fe7cae506272dd7f934000734f55648fcefab6843eca50311a98a07d
Formbook
45fda70b08542ae52a8228a61e317973f42b477583841e384e9817d7d2dd3709
Formbook
5528ee96b8cefda8ec99999701a1673fb0dff17a8e603f2c8ccd3abac08f7489
Formbook
67bf85e54212cc6dd8e3f3bdfe292d7440ae7f7ad5f131f9c8b5ea51a86c1e96
Formbook
9681746b0d72e882c0949fcbdd3005b15720d66b4a8795b9d7c8c98a59048582
Formbook
a4ed754c1a38fd8fc24bb4ec7f5da899c254df070bcc8cfd7b16778701c4b72d
Formbook
b8392aaf409d89fe323576fdf09bf3320094962da9812918d23bb47b3d8d53f8
Formbook
bf07178f2c85eed5d1e0feafc5c312fce344c6ad7666b5be2abf736e6af94169
Formbook
+ 3'796 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210217-s1h6bx99we/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.ios.run/uidr/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/b1a1ce2e-dd2d-4c50-a504-ef904a367e45/
SH256 hash:
b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf
MD5 hash:
085f6796a761a1f1dd252ef348f2fe69
SHA1 hash:
9abd15c6bc542b0bd8baa79f90540dd7f1f80af1
Link:
https://www.unpac.me/results/b1a1ce2e-dd2d-4c50-a504-ef904a367e45/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

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

Malspam

Formbook

7z b82445ea47014ab695f0ddc26fd05cdaab25699412c3850c793dea1d64ac711e

Formbook

Executable exe b0787f51caf44390126cfb1e827d548139021e30bca2cf2e299917ea5788a8bf

(this sample)

  
Dropped by
MD5 721bf6a91be5db21e3d1117d616e3cf1
  
Dropped by
SHA256 b82445ea47014ab695f0ddc26fd05cdaab25699412c3850c793dea1d64ac711e
  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

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