MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd. 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: 4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd
SHA3-384 hash: 3479104191d8910fe6d92147cf4b615a437155baada85000744daa817ec800f637c4b3c51cc6d385543760fa6728f92e
SHA1 hash: 396c379fd25a09f327e74ac595b554ec01522d16
MD5 hash: cb2f90f127deb8055bc861a7ef11cab8
humanhash: august-table-butter-november
File name:Bank Swift.doc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:484'864 bytes
First seen:2022-01-20 10:16:47 UTC
Last seen:2022-01-20 11:57:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:YUYyYIogf+mMfLFDWX5R6L3oRrJubLYRU6S3qJoer7Q+iJ1wS7FQ12akfLZxyaA:cqJMzxQRAnYRuqJPcvrBfya
Threatray 12'789 similar samples on MalwareBazaar
TLSH T116A4C007B6DEDA25C215A673C8EF400087B9AF81A513E70E3DD873BC192275B6A4539F
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221028/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.36291.17683.3764.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi control.exe formbook obfuscated packed remote.exe replace.exe update.exe
Link:
https://www.filescan.io/uploads/61e936a4d32385db630e2e66/reports/d11566c8-7460-4f40-becb-54dbf429d8b7/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f08ccf7-14d9-4f66-ad76-46a24941ee9c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924218
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 556692 Sample: Bank Swift.doc.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 33 www.suddennnnnnnnnnnn35.xyz 2->33 35 www.intergoldenstateautosales.com 2->35 37 6 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 13 other signatures 2->51 10 Bank Swift.doc.exe 3 2->10         started        signatures3 process4 file5 31 C:\Users\user\...\Bank Swift.doc.exe.log, ASCII 10->31 dropped 65 Injects a PE file into a foreign processes 10->65 14 Bank Swift.doc.exe 10->14         started        17 Bank Swift.doc.exe 10->17         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 19 cmd.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 53 Self deletion via cmd delete 19->53 55 Modifies the context of a thread in another process (thread injection) 19->55 57 Maps a DLL or memory area into another process 19->57 59 Tries to detect virtualization through RDTSC time measurements 19->59 25 cmd.exe 1 19->25         started        39 www.xn--z92b76hzfnc1y211an8i78t.com 61.14.208.3, 49815, 80 EHOSTIDC-AS-KREHOSTICTKR Korea Republic of 22->39 41 www.starpointeartsacademy.com 75.2.115.196, 49814, 80 AMAZON-02US United States 22->41 43 2 other IPs or domains 22->43 61 System process connects to network (likely due to code injection or exploit) 22->61 63 Performs DNS queries to domains with low reputation 22->63 27 autochk.exe 22->27         started        signatures11 process12 process13 29 conhost.exe 25->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-19 18:08:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jljt3mqxzuuostubnwtwen262z3hidzb53qf6yf6o6c3e5tfz66q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
07bed83b3f7c13154a148f82ceac3fe9f68a7995ed5a939e91427e611bfaa863
Formbook
10ff5c8bac827b012bc5b6f789e7c23913b662453cd0bcc7f3f5192260d7a950
Formbook
4d14c4ae70e6eb6442b90dbc4308d180f43308e38112903c6afd33adf3e04ec7
Formbook
81dc0dc902eb39bef1ff536e63644fac0d6aa928a200718185aaa21c137c7458
Formbook
ba47d548d20732c621ab2fa56d5276a838de12667e1c0355bcf3dbb1466889b3
Formbook
ca205b38e2ee729d40141563bbb4200970224f4e00b380d5108a3ae51fb7eada
Formbook
d36d73e78b048c34b8ed4b2c1035f27c0c1857ae8eb5f1167942981139138b35
Formbook
d89ceaf1e34dd42cef063ecb6b8e219479f276c6cc30e2ab6ae8c881a8d60633
Formbook
f0748cd86f2648c4ff23611f87661ba89045039966eb9595c2fb4d046249e1f2
Formbook
f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363
Formbook
+ 12'779 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220120-mbc4sahec4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
46e09aa8f1d737799195f4baf4d4bc2c12f51d81656ccc3448f4d1af6b6e3e25
MD5 hash:
8b09b3046673f2354802096d6217e392
SHA1 hash:
50083ef5695b64704b4f50a7bf7a24cab5d746be
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4790642f-bab9-4e95-a995-e40d12383624/
Parent samples :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 hash:
cc1c9557d7f757bcee8c1b4ef35327494ee4c318e6b881d30d581b010c046c5b
MD5 hash:
c6b2e18a4555a617080f23de18892ff0
SHA1 hash:
837bdc4750b91394d8fe6cf85728dfc732715e66
Link:
https://www.unpac.me/results/4790642f-bab9-4e95-a995-e40d12383624/
SH256 hash:
b4ac4d7ba7186ec694909413e82b53f6c8ca0f9e6d7589bf845fd2537adc02d5
MD5 hash:
48fdc28d68a1266252369d80f8026b64
SHA1 hash:
6a92b0c78845a71c87d68c3ea758b7e20d7b4fcc
Link:
https://www.unpac.me/results/4790642f-bab9-4e95-a995-e40d12383624/
SH256 hash:
4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd
MD5 hash:
cb2f90f127deb8055bc861a7ef11cab8
SHA1 hash:
396c379fd25a09f327e74ac595b554ec01522d16
Link:
https://www.unpac.me/results/4790642f-bab9-4e95-a995-e40d12383624/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd

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
Create hunting rule
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.

33082ffeec501e6e83900d4a6e94a6e06f2f6d877cb63832a18241721d3f2148

Formbook

Executable exe 4ad33db217cd28e94e816da762375ed676740f21eee05f60be7785b27665cfbd

(this sample)

  
Dropped by
MD5 3d9665ef3f83c9a4be320e209146d246
  
Dropped by
SHA256 33082ffeec501e6e83900d4a6e94a6e06f2f6d877cb63832a18241721d3f2148
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/221028/

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