MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a
SHA3-384 hash: 085be97c0d85c6b91e1fc1fb3515fbde5e1af8680d1658a6980a3fbfe3ed02a657a14c0882e9a6bebb9ad0a8ab7fd7a6
SHA1 hash: c19f0abb4bb133fceafeecf25310935a11ef505e
MD5 hash: e131fe4c9ddda0857dfcfcaaa49c9d64
humanhash: london-neptune-winner-artist
File name:Payment for Outstanding Invoices (SOA).exe
Download: download sample
Signature Formbook
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File size:555'520 bytes
First seen:2022-02-28 11:31:57 UTC
Last seen:2022-02-28 13:59:02 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:CAEZdMqkvsmuWr4YyU6wwx1mW6CaeyCzMOK/H8Yg0+04T:vEDMx0W4YyFu4
TLSH T1D5C449EC31E231FEC8E7C4B9E9641C69AF60786A830B92179017129C994ED97DF570B3
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
5
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/245291/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.48462955.28819.30950.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
Link:
https://www.filescan.io/uploads/621cb2ba0cd58dbd92527528/reports/44055969-1193-4a2c-871c-e195a7740adf/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7fd845c5-7972-432a-aa10-25b1ff768286
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/947313
Signature
Antivirus detection for URL or domain
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: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 579794 Sample: Payment for Outstanding Inv... Startdate: 28/02/2022 Architecture: WINDOWS Score: 100 34 www.cedarmoonshop.com 2->34 36 cedarmoonshop.com 2->36 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 14 other signatures 2->58 9 Payment for Outstanding Invoices (SOA).exe 6 2->9         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\SSJvnHRLkYw.exe, PE32 9->28 dropped 30 C:\Users\user\AppData\Local\Temp\tmp804.tmp, XML 9->30 dropped 32 Payment for Outsta...oices (SOA).exe.log, ASCII 9->32 dropped 60 Injects a PE file into a foreign processes 9->60 13 Payment for Outstanding Invoices (SOA).exe 9->13         started        16 schtasks.exe 1 9->16         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 13->62 64 Maps a DLL or memory area into another process 13->64 66 Sample uses process hollowing technique 13->66 68 Queues an APC in another process (thread injection) 13->68 18 chkdsk.exe 13->18         started        21 explorer.exe 13->21 injected 24 conhost.exe 16->24         started        process9 dnsIp10 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Tries to detect virtualization through RDTSC time measurements 18->48 38 headrank.agency 194.233.164.147, 49787, 80 NEXINTO-DE Germany 21->38 40 www.wynningforyou.com 21->40 42 4 other IPs or domains 21->42 50 System process connects to network (likely due to code injection or exploit) 21->50 26 autochk.exe 21->26         started        signatures11 process12
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-28 00:34:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=idpcop2uu2qkrrnnig7gx73f7yegnmbr2ti7rzbolsfnej3edf5a._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:nqni loader rat
Link:
https://tria.ge/reports/220228-nnbbdseba8/
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
30ace44e466c2689856769efd669a4d052b2b5cd409bd38af2d101dd6a728fd9
MD5 hash:
2846857a7b879507576ddfeca22324f8
SHA1 hash:
e4ee7468365641cfe3998d5aa8f569d9b428be52
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/ca17a6a9-63da-4721-ae76-aa18e54da641/
Parent samples :
c435fcfb3786d573ede77e30ded01503640a4de64523df7e9078cfc572381ced
9ca4f52f4b1edfc807382d70fadb1639271f58008386729da8fe4ec9654a4e28
40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a
47100e432f02eea97ec7e7ea42954b8c713eefd11380cc79d459804ba4719560
SH256 hash:
632fb6564c880eabe9544ab5e0f61caf69d2ec1ac51da564b92b8489ac7d3477
MD5 hash:
35738508d0ffacf808e80786216e14a6
SHA1 hash:
d5a075cf5076186d4834e3c6362b652324db474d
Link:
https://www.unpac.me/results/ca17a6a9-63da-4721-ae76-aa18e54da641/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/ca17a6a9-63da-4721-ae76-aa18e54da641/
SH256 hash:
40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a
MD5 hash:
e131fe4c9ddda0857dfcfcaaa49c9d64
SHA1 hash:
c19f0abb4bb133fceafeecf25310935a11ef505e
Link:
https://www.unpac.me/results/ca17a6a9-63da-4721-ae76-aa18e54da641/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/40de273f54a6/report/overview.html
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/40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a

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.

Malspam

Formbook

Executable exe 40de273f54a6a0a8c5ad41be6bff65fe0866b031d4d1f8e42e5c8ad22764197a

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/245291/

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