MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f. 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
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SHA256 hash: f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f
SHA3-384 hash: 70ed54ce9955abd90739e97d4d4febf572829bf0458932804288e3c4c17207d08789ccc96bf8fce7ec07df198a259ad8
SHA1 hash: 032d9aa35cd2dc45cbcba2d20e51db725bcb2769
MD5 hash: 13983c4d130a8eb668ea64ff456d5f59
humanhash: twelve-twenty-sodium-lake
File name:contract invoice.exe
Download: download sample
Signature Formbook
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File size:448'000 bytes
First seen:2022-02-02 07:58:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:YVO7Jj0aIeNa2ERiWKw+p0hD6kBn/1yl/q:YVOVg12ERarqQkh/6q
TLSH T171948DB4A1A78691F50B8A74257CFEB001B234E3A9CA0D3957797641CFAEE543F8460F
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/229851/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61fa39cd18d1bfdde4ea373f/reports/baf276db-b496-4569-b627-3c1b6efd4c72/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a43962d-6392-44b9-ac5e-4a4941279b57
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/933022
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 565500 Sample: contract invoice.exe Startdate: 03/02/2022 Architecture: WINDOWS Score: 100 33 www.jamesjalberino.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 9 other signatures 2->47 11 contract invoice.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\contract invoice.exe.log, ASCII 11->31 dropped 59 Injects a PE file into a foreign processes 11->59 15 contract invoice.exe 11->15         started        18 contract invoice.exe 11->18         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 20 explorer.exe 15->20 injected process9 dnsIp10 35 innovagraphic.com 157.90.36.211, 49813, 80 REDIRISRedIRISAutonomousSystemES United States 20->35 37 shops.myshopify.com 23.227.38.74, 49812, 80 CLOUDFLARENETUS Canada 20->37 39 4 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 WWAHost.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-02 07:59:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6r3mvevvhjvn2kvz2hmb4e4x4od4cxmlxaha7zhhnabwuci45fxq._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:oms5 loader rat
Link:
https://tria.ge/reports/220202-jvd9eahgd8/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f267933c618caf2474f8366ae6962780d0b07dfe783499e34b7c1f8560bf2d77
MD5 hash:
a41a380e999d8fb946182afdfbcc7574
SHA1 hash:
0a0babeeea27536b532f9738c73aef6b56ef191b
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/0b14fa5d-ea55-4114-a7f7-59aab97957d8/
Parent samples :
719c2edea3c0aaa814d65c272598d8d64db5ac0d0cf0a9adb12fe7a0a1fc9f19
838646bc9841804d7671fb25b3fd5d3e67e91c1d341c7125ce63ad436ada5f26
d4524304e059a341b36dfff67ecfde1832142373d0728956fd8efb079440035f
3e317e0e4e62e0842ba4d1d52f8bd3e45a1b7a8e01e784771803d722dbfaf3a8
76a94b9d2b8e2afb89be57cb0adb366cd6deaf4bac27578bd523aad74998086e
f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
Link:
https://www.unpac.me/results/0b14fa5d-ea55-4114-a7f7-59aab97957d8/
SH256 hash:
444694257834b0f22d301e22e7262f9cbc818d893b9dfd4686ac4184951964a6
MD5 hash:
a1fda3f9f1b73c95f575df6bfd80daee
SHA1 hash:
3062eb3d4c04307d3f6e67aab58007b798d708c2
Link:
https://www.unpac.me/results/0b14fa5d-ea55-4114-a7f7-59aab97957d8/
SH256 hash:
f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f
MD5 hash:
13983c4d130a8eb668ea64ff456d5f59
SHA1 hash:
032d9aa35cd2dc45cbcba2d20e51db725bcb2769
Link:
https://www.unpac.me/results/0b14fa5d-ea55-4114-a7f7-59aab97957d8/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f476ca92b53a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f

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 f476ca92b53a6add2ab9d1d81e1397e387c15d8bb80e0fe4e768036a091ce96f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/229851/

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