MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06. 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: 28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06
SHA3-384 hash: 7e8e0e9a6629f6b9f12c19e9aa6147c4852cc78b38317f9918f02833957fd0af7cab2a5adf2257591cd60340e1cbe1f1
SHA1 hash: 64a22d8dc7dab49bc591cb6f1de2dff2be5e2af7
MD5 hash: cb0778d7fa870530f7ef8f3b3c4d23ed
humanhash: cup-tango-georgia-table
File name:Orden de Compra 2022.Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:602'624 bytes
First seen:2022-02-03 14:43:08 UTC
Last seen:2022-02-04 05:27:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:cptcEJL5dlVs0uk0vYv8LCXD3S0IRaF5vvJSFP5J:cIEJL40VvD2I5pSjJ
Threatray 9'740 similar samples on MalwareBazaar
TLSH T1EFD4D07BFE8BCA91D415293210BEB40507B23FDBA9D3C6063B58B3190F722654F9958B
File icon (PE):PE icon
dhash icon 96d4acda6cb4dc0c (25 x AgentTesla, 12 x Formbook, 10 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
64A22D8DC7DAB49BC591CB6F1DE2DFF2BE5E2AF7
Verdict:
Malicious activity
Analysis date:
2022-02-03 13:07:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/653ed70c-0081-4288-a60e-94186ad3f008

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/232263/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/61fc315118d1bfdde4ef316c/reports/5a41364e-ea36-48b0-81bb-cca6f687171a/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/1d833d7e-88ee-4d69-91d6-b57672755822
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/933571
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-02-03 14:42:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdbtprs36r66nxokdvpjox4nzdp3q3j7dopbj57s3ndeuce7nqda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
13ce54d053256ed33282cc8e8a47f9a3c83f9b96f4230df70a7b947c55c611f5
Formbook
5da4b57909cb661822c8814842892c6ac54d9c259befd24241e16a8cb1d33ced
Formbook
731b5cd4aa18acb39bcfbb690aa93ef24f374c96b4d61845a58781241bc0bdee
Formbook
79cb41c5d286b5e8062a31de81a893f221a8ea7bc887a74030b3802dbf5bc619
Formbook
b76cdf3f203937fdd5a57710faf9c4d78281f4b893e8caff17a5053bb741bffc
Formbook
d368e6da00a94aa2a44145cde60d85f8b29cf8634893769f243f503524e24043
Formbook
d9fbe8e59e8dcf5231168ed35a3ad0c8c448eb888eca02c9b898d5961899e839
Formbook
+ 9'730 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/220203-r36bvsafer/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Unpacked files
SH256 hash:
55387d8366303a794ee0f3d71a04617f0f1ee9c67a55c913f9b6b870efa123b8
MD5 hash:
c7a79737aa6d4fadfac3b251d48773c4
SHA1 hash:
1afbe9593ed76bd2edb0e0dba4512eb3c8d43fb3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/066b054d-7da7-4fbe-a1cb-a56718ca7a7c/
Parent samples :
b76cdf3f203937fdd5a57710faf9c4d78281f4b893e8caff17a5053bb741bffc
28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06
d92480dba0931328c2c808ae67f0be25ce8eed46de25ad916d111245136254bd
4d6852edf73457b9a9db48a0f0220f3514bfcfdc0bb11a03b8496cccf45cc671
35c8631e608c2dea5c2969f9f59a0c85317bba6af71f2e56063b8efef57a3e05
54cfa1f93d985c0bf952e00247f781f36988dffec0cb8d83f79fa3e41d98b335
a49a78b4925decc0dc56f7d6b51a49b17d028016ebd820de985c6982957eeac9
a894f6175d1e84c3a4dd7d14703624c4134888b024d122bfac661007e98a554a
c3e4c2e1e242cf92142f4d4fb1896354cfa07089f40243b31046ff3eae8ac2c8
ffd04d82156eede57a242db418b539e9ee13aa1bf5123df96db273c0f6f6ce71
b8ae965dc24d6b7149c486672bf33989d6c27f108a68cb447cf5308eb91b8217
cf5d0eb741adc67acf2cffbbef91fb030c94aca534d7a6b95efdbace11b4a62a
77de2fa49e24c93e217088285cfcc816cf7ae40928898dc3e88c0d6a67a31c80
8318860499c2f3e03a5e580fbd91d8c1214acc713b032e908442651e7b54ca81
e1a8e7ef8a30663d9bae4b02310ab1b0e243e0624aed6765946e9d8f73b879a1
499fb85e548a134abdf18b6a9d149b9c4f2bf9b0f534dd4c86e600180fb19bf9
930759b9b35cdcfbdd7196aecb009374c34a02a142b67c99d07da2918e9aa341
0cac8ae6143ca74f0cd566c8ded5a586f03d9be060d2bab62513ccb4382196db
97504b3dbc2dfe20922f3323f905aa9d4f5f440720cab63dd26c82f26f7d76a2
83acd88ea989609fc7c635ea881d6df384c1720dfd87d7e1c01cad3bcc241d42
0119c8252290ab1c092ee4ab1d9cd18502909207bf3368491b1448a8f7e14513
b28653e85b97fd93c5d893839290ff17e6a6eb748eba11c9ee11ec9884e35410
SH256 hash:
8b7ccef9ae0bef81e990980998b77651c0023a97f88f2cbfcd18f80e2a50438f
MD5 hash:
67e1812fb98e34a49a5966e1b0f193b9
SHA1 hash:
7cfd891e9a3e36a539560f8e6fce02be31eae100
Link:
https://www.unpac.me/results/066b054d-7da7-4fbe-a1cb-a56718ca7a7c/
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/066b054d-7da7-4fbe-a1cb-a56718ca7a7c/
SH256 hash:
28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06
MD5 hash:
cb0778d7fa870530f7ef8f3b3c4d23ed
SHA1 hash:
64a22d8dc7dab49bc591cb6f1de2dff2be5e2af7
Link:
https://www.unpac.me/results/066b054d-7da7-4fbe-a1cb-a56718ca7a7c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/28c337c65bf4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28c337c65bf47de6ddca1d5e975f8dc8dfb86d3f1b9e14f7f2db464a089f6c06

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/232263/

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