MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8323bfa811d207521f4e833af08813c6a4431f9c28f6d07279b656a6a60e57ae. 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 2 File information Comments 1

SHA256 hash: 8323bfa811d207521f4e833af08813c6a4431f9c28f6d07279b656a6a60e57ae
SHA3-384 hash: 3b3169e2d16e10a37b477e0c6b145fb4989af76ba64131a580468b8ec77c4aa0699e071b4d2a5d38fcc0093b5abebb9b
SHA1 hash: 21af8e129c05e0cbbf33f4e155d4ebbfcaaa2155
MD5 hash: 09106fd4669886c1de4e049bb57e1228
humanhash: carolina-finch-blue-jupiter
File name:09106fd4669886c1de4e049bb57e1228
Download: download sample
Signature Formbook
File size:796'672 bytes
First seen:2022-02-02 23:39:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:wWlo9KRwPiQqXsNuQbSOlZqJo/+ZmeujBiw5:PogqnSBrseEBiw
TLSH T15E054C79CE867900D176B8F0401BF4A802223EA217D78799CA7BFE0175FAA47DD7152E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.doc
Verdict:
Malicious activity
Analysis date:
2022-01-31 12:06:27 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-28 20:53:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
30 of 43 (69.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:jy93 persistence rat spyware stealer trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Sets service image path in registry
Formbook Payload
Formbook
Unpacked files
SH256 hash:
3467f177aa3dea94c5aeae2d1589bb67c552adaa21f1c7669021357f93ca1756
MD5 hash:
319883764d0a7c2cf57b219eea70c501
SHA1 hash:
9111af561da1e625855b16e4560bf3291f03299b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
db4587dafa4ffb0ec50b7cb76873fe3468c4b2c2e3eba92d54695b8fdbd06ba0
MD5 hash:
a94c0997f6df945d14d956217d494634
SHA1 hash:
6c19e0ea523e01a4792b8a563b8e822350a82783
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
SH256 hash:
8323bfa811d207521f4e833af08813c6a4431f9c28f6d07279b656a6a60e57ae
MD5 hash:
09106fd4669886c1de4e049bb57e1228
SHA1 hash:
21af8e129c05e0cbbf33f4e155d4ebbfcaaa2155
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 8323bfa811d207521f4e833af08813c6a4431f9c28f6d07279b656a6a60e57ae

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-02-02 23:39:35 UTC

url : hxxp://paxz.tk/jayzx.exe