MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c
SHA3-384 hash: 863e09419a4deb15cd5853d3abe61c17438815f491536774061f8552dd84d096a408f124f246028babb5855e0d4129f7
SHA1 hash: bf1d37f431cf82c89c38f2319ac5a329f71e91b0
MD5 hash: 31d9775e59b6237abbdd178d151bb420
humanhash: snake-ceiling-papa-colorado
File name:31d9775e59b6237abbdd178d151bb420
Download: download sample
Signature Formbook
Create hunting rule
File size:665'600 bytes
First seen:2022-07-27 15:15:40 UTC
Last seen:Never
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:JDM2R3IFdlf3j9/5CW7O56DNo3q6CIUK6VW9YmP3v5Owx8:JDMWYFdN3j9/Ax54NkqrIHB/5Xx
TLSH T1D5E4029122B84F72CA7F57BF946041858BB9A10FD2A3E39E1E8C72D81D137518642B7F
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 86738c8d86966992 (12 x AgentTesla, 6 x Loki, 6 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Artifacts-2022-07-27_23-52-44Z.zip
Verdict:
Malicious activity
Analysis date:
2022-07-28 01:20:01 UTC
Tags:
opendir trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/736fafec-40b1-4026-82fe-831c8908126e

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/294673/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.20355.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62e1576991ccf3d70e855ab1/reports/d8d32494-55ee-4c24-b8c3-9e662248ae7e/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/f12369e9-ea48-4f6e-bb02-17bb522170e0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041931
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 674425 Sample: AVKLvJvj7T Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 30 www.wenzikeji.xyz 2->30 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 11 AVKLvJvj7T.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\AVKLvJvj7T.exe.log, ASCII 11->28 dropped 48 Tries to detect virtualization through RDTSC time measurements 11->48 50 Injects a PE file into a foreign processes 11->50 15 AVKLvJvj7T.exe 11->15         started        signatures6 process7 signatures8 52 Modifies the context of a thread in another process (thread injection) 15->52 54 Maps a DLL or memory area into another process 15->54 56 Sample uses process hollowing technique 15->56 58 Queues an APC in another process (thread injection) 15->58 18 explorer.exe 15->18 injected process9 signatures10 32 Uses netsh to modify the Windows network and firewall settings 18->32 21 netsh.exe 18->21         started        process11 signatures12 42 Modifies the context of a thread in another process (thread injection) 21->42 44 Maps a DLL or memory area into another process 21->44 46 Tries to detect virtualization through RDTSC time measurements 21->46 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 15:16:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mibht6hbjllvnz6y4hseiiew5rj3i6uspiswphbhpapr3f4ierga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/220727-snfy4afadq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader payload
Xloader
Unpacked files
SH256 hash:
603d5301ad65ee1cf6e4917210b68da9d03ae786b6ca261c96d41bf84b93d189
MD5 hash:
fc325391141114a6a3927705153f69a3
SHA1 hash:
b24ebe35d751dbfcc1581525ec2adf96d8352f4f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
Parent samples :
4ece28a4229d41e763203acb8c66af294e5461b01de2c4e25daddab193dfe554
62caaba34203175af55b13e862c3a185257dd2ca3d0727e88ff912d1a1829b32
d7afd3ad1e23e16cb3c91351ce752984c0753cdf201bf2bbd3f9383a5f0ca760
3b35af72357dd7a40e3f4d878b05f21d99aee95ffa0b016465158723b4cd1e15
620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c
416f6e84e0825f1dd9aa5e80205c8b5f357dd1fd5e30add9f8dc2607a5d3b0f4
SH256 hash:
fec85a6dcbb9cdfb900c54153c0e6c969e281fcb570e908d24f267c7fe3dd804
MD5 hash:
e76f539f7b3728f6c33bad6f36bfc3ce
SHA1 hash:
9816307887de4dc47a7386816c2cddb4621ebd22
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
SH256 hash:
e564513c43380315992640814660840a5b4703eb1bdd83e4bfb41adc8b00a952
MD5 hash:
745a8ebc59de416f9fd30feff3a73c8c
SHA1 hash:
929a6c83ae8973d863cf4640a979b86da829b988
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
SH256 hash:
5a8f16501470e1a918eda136a2c584daa36b5e2b78e77588d11d71ffa343f360
MD5 hash:
2b00490d291a77f0bf78acd3fee6304e
SHA1 hash:
1565e6f8ab426420842ff47de73b8f6c7a610de3
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
SH256 hash:
620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c
MD5 hash:
31d9775e59b6237abbdd178d151bb420
SHA1 hash:
bf1d37f431cf82c89c38f2319ac5a329f71e91b0
Link:
https://www.unpac.me/results/34efc2f2-6710-4737-9032-ced9bf4eefde/
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
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.

Web download

Formbook

Executable exe 620279f8e14ad756e7d8e1e4442096ec53b47a927a25679c27781f1d9788244c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2261858/
Cape
Cape
https://www.capesandbox.com/analysis/294673/

Comments


Avatar
zbet commented on 2022-07-27 15:15:45 UTC

url : hxxp://192.3.110.133/420/vbc.exe