MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
SHA3-384 hash: cf1ebf07191ff5895997ca8369da34c678762b4e15b5ca1506d602b44a825264acdded62da7a3b05fd563a6e7be3ece6
SHA1 hash: 4a369b5f83f64f8efd5e677643ae9e170ad88a99
MD5 hash: 3e39bca1f99307bdeb46c940a30d2b23
humanhash: minnesota-yellow-finch-cold
File name:9UdTzJ1stzaGhrF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:605'696 bytes
First seen:2022-03-31 12:17:07 UTC
Last seen:2022-03-31 12:45:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:CkSegUKi+25mTdxMQFv1aogYnLlfDQSlh5xuA:Ckw325OYU5giZlN
Threatray 14'928 similar samples on MalwareBazaar
TLSH T15ED4022673344B1BC6BAE7FC8866414047F56D6A2831EB1D5E8138EF26BBF02D611B17
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
9UdTzJ1stzaGhrF.exe
Verdict:
Malicious activity
Analysis date:
2022-03-31 09:55:59 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/147f3d59-09cd-41fd-970f-d53da8373600

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/260087/
Detection(s):
SecuriteInfo.com.Malware.AI.1947234724.1254.10583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62459bc91f204239485bfa4e/reports/056fd556-66df-465a-9ba3-c8c97af67448/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bb748610-9feb-454f-bf39-4e80bae3bc4c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/968285
Behaviour
Behavior Graph:
n/a
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-31 12:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xn7yoie6au3ekqw4mu3pe2xqlaguwefb2n3kxpd6xvjryhi64bda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00d8e033e68ffe5f290339a1e00193b0376814bc8a27c8978b9b5e0de6b2823f
Formbook
2f47cecb0ac0c17ad38f1e8b65e4bbb7180d87d750ed7e93ce9fc5db11e5cae5
Formbook
39586764971f496d274f3d453029954720962ed36672050b742aef8b4e68a78e
Formbook
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
Formbook
66ed20e609a1c10376f30415f4f2a03aa274fbdaaa12925dcc81ed74bfb7fdfa
Formbook
7a975e0983903a474303dfbab00a6ccd3a5f9f3339fb1d756aa36f5172361e7c
Formbook
ab12ca2a034e07fbdd6c9d6c31270f52173cd8559e12aad0aea593cc460867cd
Formbook
d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720
Formbook
e812adcd8f8470a1be64d92dafaebf717db1c45d58fe04a9160d88a468cf7e3c
Formbook
ea94995d23d53a98a949a242022cbd9bc5b7a4320c3fb6c045370b15704e4004
Formbook
+ 14'918 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:wdc8 loader rat
Link:
https://tria.ge/reports/220331-pgldfsbga4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
d3ca3783db4188399ea2066aa9ca230c85a75bd547346b1d112219ca65a64bf9
MD5 hash:
5bf0df3cfd245af38deaef08677615a8
SHA1 hash:
a7b2107c1db7306089a298406d032456f3a302b3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/90be9fcd-ed98-45c6-bc12-e08b021c34fa/
Parent samples :
4ba337aa0663470b85d2b1b97713a219ea8c5d7ee7f5795dfc9017ae2b123e47
e34c0a8218be6d3783e8cd61b8040b6b39004ad34e68c1cdb2f123b636e6b274
1b9a70f1049fb47db190512121def425ec88c6f007a70308ac63c4549ae78f77
2ceae7d4227b3dc96253c77943851ebb41fab14f6f07af4dadca597f82ebda67
fef3c1fc57689534161dd663bf1cb63d3f728dc87cad1eca4ea1780ff889d056
3356a1d5d011f9117000a3f5326a8eecc0fc0d9ba156af4f634891b19c63773b
d976d19fe98e25ad6fd2c13d26f7e46311feb08952a5913d00231806d6277c78
852d04f44d46f2a8f75ca8827232765a90c172da5f2e7d84acc919c41bc73856
9d144168607d4e6808be108cf349da625b911307dabab1ea645381a5473deb03
a70a717458c5147a02dca62c03c58d2e11e165180e683fa4755c719e6f9ad9c5
b36891ab4a7fa6be1680a65614dd5551a3fa8a89052c381a954601eedd82e62c
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
02ad8318feb2f8ce745e2cefa321f18d19b7ad72085664371033fada68bd6b91
3b326d59a151e3500563ad4ce6c86228508d9295f54e71c8160aec088752c994
bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
SH256 hash:
6dfeba4f567913d3e7897d8de02434dc5dba7162a86610a0927a4d9a86dad28b
MD5 hash:
78c82e249e5a99d918472b4851dbbc3e
SHA1 hash:
ac82ea26b79d184065c1c814e0c4936b5c8fd2ec
Link:
https://www.unpac.me/results/90be9fcd-ed98-45c6-bc12-e08b021c34fa/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/90be9fcd-ed98-45c6-bc12-e08b021c34fa/
SH256 hash:
417c48f3367d80291d3eedc5701264f35e3705fbfb7bc8e2e986f833d49bc22e
MD5 hash:
7e0c4d7eb39ec4bb2d87920252bc82d9
SHA1 hash:
2494422dac156ab36f0499db7587eaa3bb12429a
Link:
https://www.unpac.me/results/90be9fcd-ed98-45c6-bc12-e08b021c34fa/
SH256 hash:
bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046
MD5 hash:
3e39bca1f99307bdeb46c940a30d2b23
SHA1 hash:
4a369b5f83f64f8efd5e677643ae9e170ad88a99
Link:
https://www.unpac.me/results/90be9fcd-ed98-45c6-bc12-e08b021c34fa/
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/bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe bb7f87209e05364542dc6536f26af0580d4b10a1d376abbc7ebd531c1d1ee046

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/260087/

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