MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9435bf4ae05e98f0e1b3fc55188dba5d50ac937cef36d69112776e39b8584ce4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9435bf4ae05e98f0e1b3fc55188dba5d50ac937cef36d69112776e39b8584ce4
SHA3-384 hash: 37a579fc2d405dc212641a3bca2ae81ce507315dc481dab6a6c092c69eefb6a0be810868549b54345f9f9c584c7784b4
SHA1 hash: d1b08be6e2710d602054fdaf3d3010d084eafa4a
MD5 hash: 6f3058b9069c9145d9b00138fa2ce5bc
humanhash: mango-michigan-mississippi-lion
File name:PDF Purchase Order #RFQ7787HG00.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'152'000 bytes
First seen:2021-05-21 12:58:11 UTC
Last seen:2021-05-21 16:45:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:sEhajzK8hTbVK101xL+CrLJFrK27CfLc:czNpbV+01zG2SLc
Threatray 5'379 similar samples on MalwareBazaar
TLSH EA359DE06E8AB51DC02E6770342180FC93B33D22569CD7EB2AC7FDCA9B635514661BD2
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PDF Purchase Order #RFQ7787HG00.exe
Verdict:
Malicious activity
Analysis date:
2021-05-21 13:03:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/32dc4a6f-4b75-4cb4-8de7-6b20b9521c4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/160473/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/787254
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
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
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 dnsIp2 2 Behavior Graph ID: 419651 Sample: PDF Purchase Order #RFQ7787... Startdate: 21/05/2021 Architecture: WINDOWS Score: 100 43 www.vinkle.net 2->43 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 11 other signatures 2->57 11 PDF Purchase Order #RFQ7787HG00.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\OVpoIb.exe, PE32 11->35 dropped 37 C:\Users\user\...\OVpoIb.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpEB0C.tmp, XML 11->39 dropped 41 PDF Purchase Order #RFQ7787HG00.exe.log, ASCII 11->41 dropped 67 Writes to foreign memory regions 11->67 69 Allocates memory in foreign processes 11->69 71 Injects a PE file into a foreign processes 11->71 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 15->73 75 Maps a DLL or memory area into another process 15->75 77 Sample uses process hollowing technique 15->77 79 2 other signatures 15->79 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 45 www.zaseto.com 217.198.116.188, 49753, 80 ZONER-ASCZ Czech Republic 20->45 47 www.qizhukeji.com 208.110.82.29, 49743, 80 WIIUS United States 20->47 49 19 other IPs or domains 20->49 59 System process connects to network (likely due to code injection or exploit) 20->59 26 mstsc.exe 20->26         started        29 autoconv.exe 20->29         started        signatures11 process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 31 cmd.exe 1 26->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9435bf4ae05e98f0e1b3fc55188dba5d50ac937cef36d69112776e39b8584ce4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-21 12:57:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sq236sxal2mpbynt7rkrrdn2lvikze34543nneiso5xdtocyjtsa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10cff7483cb76b2f8552b3cbe54cc2adf695ab7e638795560ac5c0179c7c52f4
Formbook
3638ac885ef63f3b5bfadd95b0f43c34c3854e2483adde873b3d5fca7a831632
Formbook
441a0a46bcdfdee8c8b6761798e75a65204eac43b47547557604f80f26b87e95
Formbook
501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd
Formbook
503660af16b89ea2dcb7afa3537cfff0df5cbc3a3f036e4aa7bbd39783cd8df9
Formbook
6716f9ca37043f0684164a12c5971f67c738cefb8b8322556d970f60333d72b0
Formbook
87ad57ffa31e9b3481663bd81249ec1e563dc2931bb4bb2045b06ea7917f1593
Formbook
9681746b0d72e882c0949fcbdd3005b15720d66b4a8795b9d7c8c98a59048582
Formbook
a4ed754c1a38fd8fc24bb4ec7f5da899c254df070bcc8cfd7b16778701c4b72d
Formbook
f96442a26d160132827a3b109acadaf4aad9dab625939103677cc93783c93ea6
Formbook
+ 5'369 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210521-tw4jx2j75e/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ursulaaubri.com/s5cm/
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/9435bf4ae05e98f0e1b3fc55188dba5d50ac937cef36d69112776e39b8584ce4

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_InTheFu
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: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/160473/

Comments