MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365. 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: ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365
SHA3-384 hash: 5ab464e592f5e0df9c227d1a2459f68a470e6a696989c59ec30af2eb93243ace51db92ca0c7f8f63c542a84ef7c1d30c
SHA1 hash: c92c581921a52d97fe018d3fb84393ebcf53f162
MD5 hash: 65aac3656ba5cdb06751909d858a4fb2
humanhash: steak-illinois-uranus-helium
File name:65aac3656ba5cdb06751909d858a4fb2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:578'560 bytes
First seen:2021-02-10 08:48:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:aZEPMs7Pe0ONKDcTH6EjHa0OoDEbdzzIp:VMs7G0W0cTH68a0OoSdzzIp
Threatray 3'797 similar samples on MalwareBazaar
TLSH 85C4BE2523D85B94E0BE9B3A9470511063F1FE0BDB22E69D2EA471DE1D71B82C6B3713
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DCSGROUP.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-09 06:53:16 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/5c62c866-a8e6-40d6-8c31-6076237f99fc

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/116463/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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/604107
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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)
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: 351052 Sample: NWvnpLrdx4.exe Startdate: 10/02/2021 Architecture: WINDOWS Score: 100 31 www.zhuo-tu.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 NWvnpLrdx4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...29WvnpLrdx4.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 NWvnpLrdx4.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.hatsnshorts.com 217.160.0.104, 49763, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->33 35 www.vinnegardouch.com 74.208.236.140, 49766, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->35 37 19 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 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/ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365/
Threat name:
ByteCode-MSIL.Trojan.Stosek
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 07:51:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vno75yt6unyjhue6fykndrdpnrxo2isay4zsrvj3enzooh3iynsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
2d876129c69f0f4be0c87aeb20cdc38ae8f5db29bea6f87807946b89e0b61a50
Formbook
42f1eae60298f6d5fba417912070ac64bb13c35d5f7d60fc207ebb14a6304219
Formbook
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Formbook
46a62d0c493c466428aacdd8d980868e7065e12a33216983b7efea8e013fe37e
Formbook
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Formbook
6ceed0880cf4e6861ae894331beef85274f7f6a3f8dbc19d4a5f4e41b239439e
Formbook
92463d5500d27c6270248dfa01e99a77cc33c5caab3ae357c424b3d42864a4f7
Formbook
c73732f1e8d7aff13f1c0ef733d9d4734ad81b12f27b414f0412204eb3373c71
Formbook
fd3450b3f8973200c17fb786110c7a8f7c6994833137ca37322355d1ab9c8e82
Formbook
+ 3'787 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/210210-rva8j9j3sa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.unifyhybrid.com/da0a/
Unpacked files
SH256 hash:
626050a5939a66c8d863a53b7e42eb18e33a0ae471f2d7bfa98cc058502eb65a
MD5 hash:
9336da7cbdd103c1d04dba0fcc6c9a14
SHA1 hash:
be8d04c4b949aba8b8c0c870838cd43473a3ea4f
Link:
https://www.unpac.me/results/ec8c374e-15f7-490e-839c-3ce85e1ed1a8/
SH256 hash:
4fd695c573c7f4b03547a4ddf43c68391e7ea9a3d9fd989f146b55acad71d821
MD5 hash:
15e20d5656ffead62722c2aba550c19c
SHA1 hash:
6321b3d70803cc4061154425f2ff2fb84c4ba5e1
Link:
https://www.unpac.me/results/ec8c374e-15f7-490e-839c-3ce85e1ed1a8/
SH256 hash:
390fefe06b2574ba81d334ed19fac10dad8db3b6946803a18ce0aecacc765ee5
MD5 hash:
37fdd32cb99c9af8565e50372de5dfd6
SHA1 hash:
7e733978a8d4b90a80363fda435224c9a5edbf71
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ec8c374e-15f7-490e-839c-3ce85e1ed1a8/
SH256 hash:
ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365
MD5 hash:
65aac3656ba5cdb06751909d858a4fb2
SHA1 hash:
c92c581921a52d97fe018d3fb84393ebcf53f162
Link:
https://www.unpac.me/results/ec8c374e-15f7-490e-839c-3ce85e1ed1a8/
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/ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365

File information

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

Web download

Formbook

Executable exe ab5dfee27ea37093d09e2e14d1c46f6c6eed2240c73328d53b2372e71f68c365

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/996764/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/116463/

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