MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b. 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: 5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b
SHA3-384 hash: 94c5488413aaabd15c906e26ec4aea0d7754e53e45977e3170658ca40d0495e471a73989b3c937b76a8e3dcaeb97a620
SHA1 hash: 7f46606c58be0c8f696fabc364b93ea0db4d8499
MD5 hash: ddf217967aaa60671a833f8fba86729c
humanhash: fanta-asparagus-kansas-sad
File name:AWB_006647837575.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'049'088 bytes
First seen:2022-03-29 13:32:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:bqeZVr28rke8IAJjErhddXdV1hd+evOlNxQ5uzQCC:bqeZo8rke5AtErh3tVL8XlNxQI1
Threatray 10'737 similar samples on MalwareBazaar
TLSH T14825021427F88551EABE67FEF5B050108B35B51B652BE72E858229EE0F373C18A4B353
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/259253/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.31509.2231.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62430a989253b276b79c1eb8/reports/a1bb01a2-1732-4a78-828f-6df5dbd07932/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/28ae0b48-eebe-4683-865e-90245cb43d92
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966759
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
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: 599254 Sample: AWB_006647837575.pdf.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 12 other signatures 2->45 8 AWB_006647837575.pdf.exe 7 2->8         started        process3 file4 31 C:\Users\user\AppData\...\ISjmQIsuloWcvI.exe, PE32 8->31 dropped 33 C:\...\ISjmQIsuloWcvI.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\Local\...\tmpBB81.tmp, XML 8->35 dropped 37 C:\Users\...\AWB_006647837575.pdf.exe.log, ASCII 8->37 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 8->49 51 Writes to foreign memory regions 8->51 53 Adds a directory exclusion to Windows Defender 8->53 55 Injects a PE file into a foreign processes 8->55 12 vbc.exe 8->12         started        15 vbc.exe 8->15         started        17 powershell.exe 25 8->17         started        19 schtasks.exe 1 8->19         started        signatures5 process6 signatures7 57 Modifies the context of a thread in another process (thread injection) 12->57 59 Maps a DLL or memory area into another process 12->59 61 Sample uses process hollowing technique 12->61 63 Queues an APC in another process (thread injection) 12->63 21 explorer.exe 12->21 injected 65 Tries to detect virtualization through RDTSC time measurements 15->65 24 conhost.exe 17->24         started        26 conhost.exe 19->26         started        process8 signatures9 47 Uses netsh to modify the Windows network and firewall settings 21->47 28 netsh.exe 21->28         started        process10 signatures11 67 Modifies the context of a thread in another process (thread injection) 28->67 69 Maps a DLL or memory area into another process 28->69 71 Tries to detect virtualization through RDTSC time measurements 28->71
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 03:40:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k5m3cmjx4eerhghygt6cnmvwqgw4zyo7vkb3tiflhgnrkzvz42nq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3230e570068c3d5d6d0017a368fd6e5b179eadbfec7a8d5eb9b10308fa22c637
Formbook
3fde1e49973012edb45c7010ab78a81163dc7a1be8833374c8bcaa0ad4694990
Formbook
4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba
Formbook
4faf777c10dd803bf568dae9a4d27f4db2fcfeb54df64fa37b0c883fb0f029ca
Formbook
6b9529ef9582e73d4ac7bc63d46bd152a1bc894ce781308b8798ea9689312e60
Formbook
bbb315c1891ba28751b63b3de7d5a0a3767ca1170820c9804613840ca5e5d200
Formbook
c29ec056b24931a1d05225313836c605be1c9643c1865c21fc8a2b7743fd2a1f
Formbook
cdd772fd3c4299298b8e84472d0b2c20531885a77cfad41495d56337c567a88b
Formbook
ce6df966091d0a4c305d5629d789f7ed072d01b8b4559d6356ed1643454e2427
Formbook
e5985620705949ad2fcd6ac944b809394b986e4d47a150cc418682241b11b8d9
Formbook
+ 10'727 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:ee3s loader rat
Link:
https://tria.ge/reports/220329-qtjk3aacep/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Xloader Payload
Xloader
Unpacked files
SH256 hash:
77710db4fd14880886d0e77d163a7ed0f6a311b3fd61b859a0f2f2ef64e277cf
MD5 hash:
74fe265e2ea66172534ef558b23c19d6
SHA1 hash:
b831039199260d29a1de3a468b5ee9f26dae4959
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4b8a498-1746-4e97-869a-3e81ecc8ea56/
Parent samples :
d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680
5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b
471429e2686887cf2416e11d6d9c2a36f639f7b971db1d7b013b933ae3f3bd6c
d36aed39f3fb785951a4e948bcb4f86033a398ee0ddfef85040564751918b669
66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
SH256 hash:
dc9df380b77bd46a2f3b4ffa8683636f18c1d91730700f3f9bde0c9dfbafa981
MD5 hash:
f6aaa22a4fa39cc7a42e83807b596acb
SHA1 hash:
eef183b524e5b533cb178f28256e4aeda241dadb
Link:
https://www.unpac.me/results/c4b8a498-1746-4e97-869a-3e81ecc8ea56/
SH256 hash:
ac6e21f274ff2b153098fe0eb2f4a814c6f3fc3d1e47bfdd0489d9ac6d5fd488
MD5 hash:
56e5fd02c0b921e5ccd994aecece3b90
SHA1 hash:
792239a25fa260d40ff0fdab16685ab1352921d7
Link:
https://www.unpac.me/results/c4b8a498-1746-4e97-869a-3e81ecc8ea56/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/c4b8a498-1746-4e97-869a-3e81ecc8ea56/
SH256 hash:
5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b
MD5 hash:
ddf217967aaa60671a833f8fba86729c
SHA1 hash:
7f46606c58be0c8f696fabc364b93ea0db4d8499
Link:
https://www.unpac.me/results/c4b8a498-1746-4e97-869a-3e81ecc8ea56/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5759b13137e1/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/5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b

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
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/259253/

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