MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720
SHA3-384 hash: e09e12215254ccfc733b5591fd297a88c02db623a30cc4e946f45e77bd8cfc1a95a0e4d7f0bcb2b4a7e1ca741fe70199
SHA1 hash: 9a8056252f890fa1d4dc8e98c7dfc3ae7cf836b4
MD5 hash: 79bde6ffb1eaadb1fa7e57fe45211825
humanhash: nevada-quebec-hot-minnesota
File name:79bde6ffb1eaadb1fa7e57fe45211825.exe
Download: download sample
Signature Formbook
File size:784'896 bytes
First seen:2022-03-03 09:37:47 UTC
Last seen:2022-03-03 12:17:57 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:XcXg13cjQ15kT3L/2HhSkzAV3m+XsB3iPDJBJ49lTE/hRAvkBP0aYOM4a:sXg1MjQ1y/ohnzS3m+8sJByqAvM8RO/a
Threatray 13'780 similar samples on MalwareBazaar
TLSH T163F4125EBB881D17C67D4C79D88950A88379991FA0C3F38E6F68087B11C33A1698F767
File icon (PE):PE icon
dhash icon f0cc8e9cf48cdce0 (11 x RemcosRAT, 4 x NanoCore, 3 x Formbook)
Reporter abuse_ch
Tags:exe FormBook RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 582684 Sample: LW8hNqpbFp.exe Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 32 store-images.s-microsoft.com 2->32 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 8 other signatures 2->40 10 LW8hNqpbFp.exe 3 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\LW8hNqpbFp.exe.log, ASCII 10->30 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 LW8hNqpbFp.exe 10->14         started        17 LW8hNqpbFp.exe 10->17         started        signatures6 process7 signatures8 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 control.exe 14->19         started        22 explorer.exe 14->22 injected process9 signatures10 42 Self deletion via cmd delete 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46 48 Tries to detect virtualization through RDTSC time measurements 19->48 24 cmd.exe 1 19->24         started        26 autoconv.exe 22->26         started        process11 process12 28 conhost.exe 24->28         started       
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2022-03-03 05:54:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ioxf loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e6ff3736f87373294e50c501a5c514fbc96acbe3d231736dd837ca1aeb1c6c50
MD5 hash:
38c40fd52efa0eae99a3637aea283ffc
SHA1 hash:
0faaf48712997550d35f7107c735af4de7fcbafc
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
81ab91b4b84301762ebcfcfca24deadc4685dadc2e3a9ff54cb9e07bc4adcda4
MD5 hash:
55a7088ce4ef624d69b17acb1dbf5c61
SHA1 hash:
d5e34c435ecf2915ed5fbc6da4d80babb9dc4a35
SH256 hash:
a65b0f651f4cf75dc775629b69924853abf281d9bc06555697eb1d9e580f3c59
MD5 hash:
ae364676c05f3f982ee39b33d85d2537
SHA1 hash:
d2fcd081c253621a2282c3f5f74f1417dfc23181
SH256 hash:
99ac19b88c50ec02500ffd8cc2c2aae93bb62ca9f87f47e0839a512deb663935
MD5 hash:
3ae54243ac44f183ac9bdb05a0cbb629
SHA1 hash:
02d205837c2a722ad08d66f9b7388424581742c9
SH256 hash:
d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720
MD5 hash:
79bde6ffb1eaadb1fa7e57fe45211825
SHA1 hash:
9a8056252f890fa1d4dc8e98c7dfc3ae7cf836b4
Malware family:
XLoader
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720

(this sample)

  
Delivery method
Distributed via web download

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