MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed
SHA3-384 hash: a0a956ba0bb1b1b5e73e9acad6a9cdbbe68c6a872dbf284da7591ae0dba3e09b075eafc0b8e5e63d735858a214682301
SHA1 hash: bb7097101b26eadb4af50f6e2bb21c2cad610217
MD5 hash: 03bfef72c4d962a223cd051d1fe5bbe6
humanhash: tango-montana-two-six
File name:SecuriteInfo.com.generic.ml.29418
Download: download sample
Signature Formbook
Create hunting rule
File size:1'023'488 bytes
First seen:2021-01-22 10:13:11 UTC
Last seen:2021-01-22 11:07:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:wEpKvhz12bzvopIRb2Fb3cHmjSF79JxGuYvfVJEiVZ:vpMhzcbk+R0PY7bouYvNJEiV
Threatray 3'635 similar samples on MalwareBazaar
TLSH 3025E04036ECAB06D43A57F165B0522047B63E87683FE35D8DC250DA4E72B414E6BFAB
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-01-22 09:03:18 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/3950ec64-7892-4f0d-a694-1b9bc9e543b6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113490/
Detection(s):
SecuriteInfo.com.generic.ml.29418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
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/588182
Signature
Binary contains a suspicious time stamp
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 343117 Sample: SecuriteInfo.com.generic.ml.29418 Startdate: 22/01/2021 Architecture: WINDOWS Score: 100 31 www.solfed.world 2->31 33 solfed.world 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 7 other signatures 2->47 11 SecuriteInfo.com.generic.ml.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\SecuriteInfo.com.generic.ml.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 SecuriteInfo.com.generic.ml.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.lawrencefiredepartment.com 212.32.237.91, 49731, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 18->35 37 www.qpremodeling.com 52.128.23.153, 49741, 80 DOSARRESTUS United States 18->37 39 3 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmd.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-22 07:38:09 UTC
AV detection:
17 of 27 (62.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wo7exnkdo7bd44heswqwnxoxrjv6hzwvy3znts35pqqjhf3k7wq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6b112d62c9d5722e71733aebafd86f5ac0a45c71a6776650f9505e239b7d8f8e
Formbook
73c740cf8efc312c3fed42aceee4f4513b8ce620aaf31793676f8de2810fdadb
Formbook
743f890d93b9f2974c3770efbd0c9f07e0a866542d45572ccf47946673b60874
Formbook
7b2dc8bed33f845ef9929cdcfa5e896312443bb7c9fc7c79e586018653de6791
Formbook
8cc59465e09b47aa8c0fa9f06198c9a2e8a94eec0b7bf7c7e63cf1f972f6e88a
Formbook
a026f6e6988f126a35bb044b7215fa5fb20a41a3b3bac722bfb7f53e670cc0f4
Formbook
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
Formbook
f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d
Formbook
f777596fe0fa9c11e6ff244810d6c6d4846f9c03b8840ad88ac8853de8a766db
Formbook
f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
Formbook
+ 3'625 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210122-k5qzmcd3ye/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.huynhanhdung.com/kna/
Unpacked files
SH256 hash:
827b1567aed83bb64c2f80fbc4a993897013a3ee7b0d3ebe6793e3403db4d140
MD5 hash:
9a057132c5036180525f94054c71a6eb
SHA1 hash:
4f8cae092d6447c25d55adb7efe7d275044273c2
Link:
https://www.unpac.me/results/c19b1819-ca64-4c7a-be48-1ec27d1f5c33/
Parent samples :
2f7e4765fc3bff8324b7353df04b086292c5a70f788d8193c95d1fc00f43f18a
3f8807728cce4b1e55293cd3577fdd36457c1568a23594d4cbfaeab45a10c574
9d4758703ed1e3968a75f93405df6202a6b1b749f7806965560c23237fdfe2b4
SH256 hash:
afb5b7ee810e0dcfdb2610b85c435648b5d1654e9db54419d9eff49b1a2f7170
MD5 hash:
3da1ae3bef3726d71d1a8d4dd88b2e6f
SHA1 hash:
a6319e9abed35a353494906f3f19475df96c31cc
Link:
https://www.unpac.me/results/c19b1819-ca64-4c7a-be48-1ec27d1f5c33/
SH256 hash:
c61f0ce33d1eab10cd1be24e23a6cbaa3b8d3fab41745e2b9d22ce94d2adfe57
MD5 hash:
279009b35684ebfa3207f1052ad6ec1a
SHA1 hash:
216fe98253bea61028d0a1f686e2600646f2743e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c19b1819-ca64-4c7a-be48-1ec27d1f5c33/
Parent samples :
f8a388fc032aa7fdf80ed5bad850e3429ee27614bd6152efaa090fc77ad3bc6a
cf6959fe2bb4c2e078a8bb51c097dfd79bc0ca5cd296090a897ecb30a3ee6102
f777596fe0fa9c11e6ff244810d6c6d4846f9c03b8840ad88ac8853de8a766db
743f890d93b9f2974c3770efbd0c9f07e0a866542d45572ccf47946673b60874
f3ddc95f31cacb29b7ec70b8dd6f0fb5befb759f7044e491b269417e91037d1d
f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed
8bcaa843a3dbd507050d15f193571dfc2a1e584e23a6dea41431067b188ea199
SH256 hash:
f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed
MD5 hash:
03bfef72c4d962a223cd051d1fe5bbe6
SHA1 hash:
bb7097101b26eadb4af50f6e2bb21c2cad610217
Link:
https://www.unpac.me/results/c19b1819-ca64-4c7a-be48-1ec27d1f5c33/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed

File information

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

Web download

Formbook

Executable exe f59df25daa1bbe11f38724ad0b36eebc535f1f36ae3796ce5bebe1049cbb57ed

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/973691/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113490/

Comments