MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503660af16b89ea2dcb7afa3537cfff0df5cbc3a3f036e4aa7bbd39783cd8df9. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
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SHA256 hash: 503660af16b89ea2dcb7afa3537cfff0df5cbc3a3f036e4aa7bbd39783cd8df9
SHA3-384 hash: 4b8f7f3bfede4a453934460cdf6ce710a4cc3911912673976e57065db2c0df61a97474fc022bc8c2ca1a119fc2d63186
SHA1 hash: 9d26cd3afc5d41aa85dc3588821f0d86dd4e004d
MD5 hash: 7243904b0c804c957dd07dc3afb75b2b
humanhash: eight-five-butter-illinois
File name:PURCHASE ORDER REQUIREMENT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:608'256 bytes
First seen:2021-05-10 17:57:21 UTC
Last seen:2021-05-10 18:01:58 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 12288:EA1wjORxyuPcOWzgW7gp7JtsTJT/LD7fEwv4e6o1:xejORxdHuM7fsTJfDgwn6o1
Threatray 5'177 similar samples on MalwareBazaar
TLSH 74D4E02123989F64E17E973E80B1000493F5F41BD765EA8EFE9850ED7872F819762B27
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/154298/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
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Result
Verdict:
Clean
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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779084
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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: 411481 Sample: PURCHASE ORDER REQUIREMENT.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 43 www.linjudama.com 2->43 45 www.doluart.com 2->45 47 prod-sav-park-lb01-1919960993.us-east-2.elb.amazonaws.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 14 other signatures 2->61 11 PURCHASE ORDER REQUIREMENT.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\ySaBFDSunq.exe, PE32 11->35 dropped 37 C:\Users\...\ySaBFDSunq.exe:Zone.Identifier, ASCII 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpE10E.tmp, XML 11->39 dropped 41 C:\...\PURCHASE ORDER REQUIREMENT.exe.log, ASCII 11->41 dropped 65 Writes to foreign memory regions 11->65 67 Allocates memory in foreign processes 11->67 69 Injects a PE file into a foreign processes 11->69 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 22 explorer.exe 15->22 injected 85 Tries to detect virtualization through RDTSC time measurements 18->85 26 conhost.exe 20->26         started        process9 dnsIp10 49 empiresolardev.com 162.241.219.146, 49752, 80 UNIFIEDLAYER-AS-1US United States 22->49 51 www.platitotoronto.com 103.224.212.230, 49747, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 22->51 53 13 other IPs or domains 22->53 63 System process connects to network (likely due to code injection or exploit) 22->63 28 svchost.exe 22->28         started        signatures11 process12 signatures13 71 Modifies the context of a thread in another process (thread injection) 28->71 73 Maps a DLL or memory area into another process 28->73 75 Tries to detect virtualization through RDTSC time measurements 28->75 31 cmd.exe 1 28->31         started        process14 process15 33 conhost.exe 31->33         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/503660af16b89ea2dcb7afa3537cfff0df5cbc3a3f036e4aa7bbd39783cd8df9/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 16:39:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ka3gblywxcpkfxfxv6rvg7h76dpvzpb2h4bw4svhxpjzpa6nrx4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
10cff7483cb76b2f8552b3cbe54cc2adf695ab7e638795560ac5c0179c7c52f4
Formbook
12ba7ec686abc93ded62d6cf7df6907b348988897505efde9a4447b49ee92e74
Formbook
1b1837b1504714c306a023b8488d15e81b939b6394ff511fb619fa38f264622a
Formbook
3755206dc18df104854e076d74799c1d83d6cb6acb22a7aa22ec595c56e31abc
Formbook
40628d32ef0746f397d0d41b839530eae24d249dd2f414450a8d9dda03741d10
Formbook
441a0a46bcdfdee8c8b6761798e75a65204eac43b47547557604f80f26b87e95
Formbook
501ba71db36e9fde4d0c6a8bde7734dfb5cfd5391452d301033918e0c491ebdd
Formbook
9ab3bb93a6d39ab709c9b2369cde749ccbe7f3796c7c3e2fc39aa4715c3bb0fd
Formbook
9b8e02c9169932cb809300c4dff5afc240aba4d5a87264f0f7123314345c6248
Formbook
a3d951fa76fbb0f24540b97767e2d327b9bdb2e6e93721cb3da4ac5370118dbc
Formbook
+ 5'167 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210510-v9zkpqzq72/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/503660af16b89ea2dcb7afa3537cfff0df5cbc3a3f036e4aa7bbd39783cd8df9

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
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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/154298/

Comments