MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a
SHA3-384 hash: d365215cfd929ad70b124a93f40521d5418974766e13a91ec6d0900296534cac5f5aa74ddb0d68f19a2062ccd2ddc420
SHA1 hash: 2fe7d2b6c0c0198e44c935675929e44a1085b5bf
MD5 hash: c5356c7eec60fb77f7538a743cc82e61
humanhash: utah-muppet-lithium-indigo
File name:LENG EAV GROUP-pdf-scan-copy.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:530'944 bytes
First seen:2022-01-31 04:49:30 UTC
Last seen:2022-02-09 10:19:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ucqiOnVO7JhJ+cicM1CtLWCypAD7V83OTXeJ51XlBV:ucqJVOVz+1cMOqCypiWoO
Threatray 12'961 similar samples on MalwareBazaar
TLSH T131B4BEB461BB8651F10BCA74646DF96002F234E3A9C68F7957293681CFAAF543E8470F
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LENG EAV GROUP-pdf-scan-copy.exe
Verdict:
Malicious activity
Analysis date:
2022-01-31 05:01:45 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/fd5a1ea2-11a7-425b-abb4-afb41a778e04

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/228282/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f76a84fc92af0d80a7184c/reports/7a5e171d-e502-47d5-8750-e1a1b88bafa4/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/f6173df0-0e5e-4a71-a986-5cd9bf25c1b0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/930536
Behaviour
Behavior Graph:
n/a
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-01-31 02:13:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thrwprkef3cj6fcmgmhwkghimsgcm3fvhkojapsyfhhgldhwzyfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
asyncrat
Create hunting rule
Similar samples:
1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
Formbook
2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
Formbook
6403d40c99b5036c9410e11c11872bdceb1955da70a17bdb979cac381d09cc74
Formbook
711f3855c0fe6398f1fdb5a870de829c005b60cd4c90bd8ecae5780b9427716f
Formbook
73c029fbd27d0c281ac91d030160bd9ba859ab57db73b5fd7011f470ab90fc8e
Formbook
7ed04ae044306c081040b3b0711a8d2fc725996e5f529a94c7ca88b56a944d75
Formbook
86d9f290badc30732592c1af4705f3dedb1516cf25a4ec01a44b64fad834c718
Formbook
b63c82c7ada645bc96da74ebd031970c0ee2e7a568c2929181c146144682b2c3
Formbook
fedeb19031bcc0941b0943dd3ed45ee6095b8c489c072c85e513b414abf8acf5
Formbook
+ 12'951 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:m17y rat spyware stealer trojan
Link:
https://tria.ge/reports/220131-fgb1cafbej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
ab470fd714fc34133c14152b089ccf3ab67b30bd4b4b2f43641988dae8024d3c
MD5 hash:
4d770b2150ee0e4b34444f7c96e8f33c
SHA1 hash:
1cec212039c7d3758cf562ec504927da36ace1b9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/776ce4e5-e9e1-443a-b7ed-c6585ab91194/
Parent samples :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 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
Link:
https://www.unpac.me/results/776ce4e5-e9e1-443a-b7ed-c6585ab91194/
SH256 hash:
356c246faad7e9970a2ebd8e2f89907005f87c454d1e00396eef6cd35b768dea
MD5 hash:
01fe65b74255695f4042172cfdc83260
SHA1 hash:
726e9678598e2d7ff1011ce67976f9b99019e814
Link:
https://www.unpac.me/results/776ce4e5-e9e1-443a-b7ed-c6585ab91194/
SH256 hash:
99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a
MD5 hash:
c5356c7eec60fb77f7538a743cc82e61
SHA1 hash:
2fe7d2b6c0c0198e44c935675929e44a1085b5bf
Link:
https://www.unpac.me/results/776ce4e5-e9e1-443a-b7ed-c6585ab91194/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/99e367c5442e/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/99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a

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.

Malspam

Formbook

Executable exe 99e367c5442ec49f144c330f6518e8648c266cb53a9c903e5829ce658cf6ce0a

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/228282/

Comments