MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb
SHA3-384 hash: ee3dbbcaa6fc835a2d1929ce9be8c19357783052e33dbbaf9f439e7b1f21f235551b085607f38e0b9bed4c99fd075078
SHA1 hash: 7ba649e3298a78bb49d3bd85304d2e9714f2eebe
MD5 hash: 3c6520ce5b20072d1812ec6483f22692
humanhash: lake-fix-seven-september
File name:anthon.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:397'312 bytes
First seen:2020-12-17 08:39:01 UTC
Last seen:2020-12-24 08:55:32 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:IDnclgw1Df4BPEC4g/k2Rb3yaHUPyemJm:IrIjoP2g//ROaHYye
Threatray 52 similar samples on MalwareBazaar
TLSH 7B841242AB4D5773DEDE137FEDD2A3558AB4D1275A97E34FBC80225C4F48BC40A82A06
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: integraqatar.com
Sending IP: 193.56.28.122
From: Rohit Mirah <divakar@integraqatar.com>
Subject: Re: PROFORMA INVOICE/DEPOSIT PAYMENT
Attachment: PROFORMA INVOICE.zip (contains "anthon.exe")

Intelligence

File Origin
# of uploads :
12
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Packed2.41837.12885.5871.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565251
Signature
.NET source code contains potential unpacker
Allocates many large memory junks
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 331711 Sample: anthon.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 36 www.walmartpetrex.com 2->36 38 www.motoprimoreviews.com 2->38 40 4 other IPs or domains 2->40 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 5 other signatures 2->54 11 anthon.exe 5 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\anthon.exe.log, ASCII 11->34 dropped 64 Tries to detect virtualization through RDTSC time measurements 11->64 66 Allocates many large memory junks 11->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->68 70 Injects a PE file into a foreign processes 11->70 15 anthon.exe 11->15         started        18 WerFault.exe 20 9 11->18         started        signatures6 process7 file8 72 Modifies the context of a thread in another process (thread injection) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Sample uses process hollowing technique 15->76 78 Queues an APC in another process (thread injection) 15->78 21 explorer.exe 15->21 injected 32 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->32 dropped signatures9 process10 dnsIp11 42 www.dronebezorgd.com 145.131.21.142, 49746, 80 SENTIANL Netherlands 21->42 44 www.selfie-trends.com 94.23.162.163, 49747, 80 OVHFR France 21->44 46 13 other IPs or domains 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 25 chkdsk.exe 21->25         started        signatures12 process13 signatures14 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process15 process16 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 08:39:15 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ip3i72ys7cr63uzr2qqnq5yh6352ficl2ckzdjbs5bqvqyzwzs5q._file
Verdict:
suspicious
Similar samples:
151c9749ebcb80a9044840b499d3ec969f2cd5679b59253c23883c70af486475
Formbook
3cb1955eec13265edab82971675922208f0ef9d05ee1107bc321be2eb6633ef2
Formbook
6cb35d59850a6e43f2b6cfe1de03a41d81ab9bc07bfdb1b4b1f3cadba53d3086
Formbook
78491e950a624399f497cedd25cae2231223b1bcd2f93379480b3c9edb4c6a92
Formbook
badb2b38024e9074277b216b664e89a16e46fd7d0065209f1dc5ea5d90375001
Formbook
bc36fa2314f4e45645af22ca75887b7b627de4a65bfd1d274f18e7fc1975c8e4
Formbook
bdcd13abdded8f4f709fb288fb78b4afff486854b3ea78ad378d11220a31c3c4
Formbook
c1ebecc72ddf0902831a249c95c401b1de0eb6d03860a5d22341125dad5608ae
Formbook
dc4475e7d864b18f90b1a3b812d6f1e98d46fbb24771405c1b15c9c1cba8a10f
Formbook
ecf592d2aed1d17b4c75e72a40edeb9b4396c8c9181cee7519ebe63bb7391870
Formbook
+ 42 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/201217-xmmh4jzm4j/
Behaviour
Enumerates system info 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 UnmapMainImage
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Drops desktop.ini file(s)
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.wellnesspharma.net/94sb/
Unpacked files
SH256 hash:
43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb
MD5 hash:
3c6520ce5b20072d1812ec6483f22692
SHA1 hash:
7ba649e3298a78bb49d3bd85304d2e9714f2eebe
Link:
https://www.unpac.me/results/408ef883-a7e0-4397-a151-a1593ff224d6/
SH256 hash:
c0eb13fdf09be101d2be3959f744577f9a838c80df4799ac353bb415d31119cd
MD5 hash:
08a52992e251f2bff93e654bc8ca7398
SHA1 hash:
83485a6bd1113a2267a65b82af2ed28b0c677844
Link:
https://www.unpac.me/results/408ef883-a7e0-4397-a151-a1593ff224d6/
SH256 hash:
73283ab26acdef607e278415c512e616fe9df88e280c105daafa1004cdec61c1
MD5 hash:
a4af5171d1c2b398329a64f673c7c9fe
SHA1 hash:
c59b1bf8f590f69fbd70c85a7fe8f979126660ce
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/408ef883-a7e0-4397-a151-a1593ff224d6/
Parent samples :
2c6773fb30c8b0dae4dba9f0433d11f7d3d80a40ae960f188409a71ebb0d47ca
43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb
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/43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb

File information

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

Malspam

Formbook

zip c2aa078c0aa7586366efa7b9190004dbdbed735abf183483da41030eba155d0a

Formbook

Executable exe 43f68feb12f8a3edd331d420d87707f6fba2a04bd09591a432e861586336ccbb

(this sample)

  
Dropped by
MD5 2856ffc4550b37a23ad4157cdabaf66f
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c2aa078c0aa7586366efa7b9190004dbdbed735abf183483da41030eba155d0a

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