MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 408ef6bf5dcd65a687f99c57f70bc861612c4ba851d50c96d464dbecd8cf5cf8. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 408ef6bf5dcd65a687f99c57f70bc861612c4ba851d50c96d464dbecd8cf5cf8
SHA3-384 hash: 34cc4c866e2d29e8256892387776f24a402a5390a91dead18e54b8bb9b8e74da45f31f972c8be02504c8f3643718e294
SHA1 hash: aafedbc1fa2e7a265e2b235eef6c6d85efe445e3
MD5 hash: ef5cd2229a0a63de1a27899617b74de6
humanhash: steak-timing-pizza-don
File name:Payment receipt.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:686'592 bytes
First seen:2022-03-27 13:16:42 UTC
Last seen:2024-07-24 13:29:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Y9MNYF0uDGqoVYRHdW9wED2TUGeYnoHZSXsSSzu6ZNvvyZ:YyNYF0uDGqoVYLOwucoHcD8vvyZ
Threatray 15'542 similar samples on MalwareBazaar
TLSH T16BE48C61DEF8AFD6D039D338403D40F63FE3A412E364DA4A7DAB20D65492B8246F6716
File icon (PE):PE icon
dhash icon 233bbf6de61f1b5c (7 x Formbook, 6 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
4
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258164/
Detection(s):
SecuriteInfo.com.Trojan.Nanocore.503.10533.6953.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624063ce9253b276b783ee50/reports/ab82547e-bcae-4b05-9c5f-ef15bd50bd5d/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/35c8752c-e1e2-44cc-83c0-a8a98196850d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965290
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
System process connects to network (likely due to code injection or exploit)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 597771 Sample: Payment receipt.exe Startdate: 27/03/2022 Architecture: WINDOWS Score: 100 32 www.solitaire-onlineplay.com 2->32 34 www.harikaweb.net 2->34 36 4 other IPs or domains 2->36 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 9 other signatures 2->48 11 Payment receipt.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\Payment receipt.exe.log, ASCII 11->28 dropped 14 Payment receipt.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.alasehiruzum.xyz 17->30 38 System process connects to network (likely due to code injection or exploit) 17->38 40 Performs DNS queries to domains with low reputation 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/408ef6bf5dcd65a687f99c57f70bc861612c4ba851d50c96d464dbecd8cf5cf8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-27 03:12:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ichpnp25zvs2nb7ztrl7oc6imfqsys5ikhkqzfwumtn6zwgplt4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
84857d64b73f66ef619d84c81c1fd789e3f6717e6e0aaa1bda45e1dd2d34c14f
Formbook
b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
Formbook
bae9500c6eecd23164e1eba0e489d68938bfff866d47fb9e6c8320b3b8500720
Formbook
cda31da68a99454a628cfe74166a851d1de0af7088ab531bf03ebf684d46e0c8
Formbook
ce13d374ceb37878c9b5207d1f413b44e6f3debfad545111b9db53e7e3d271a6
Formbook
fe84e1a62e57213249801372834a30d3d218f122889258bdd83e5f016ed4f209
Formbook
+ 15'532 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:e0ep loader rat
Link:
https://tria.ge/reports/220327-qjcd1ahad9/
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:
4ce3b94228900267a7b8b15d58dd97a397e6c5a040a8ba2e8efacc2d796bdba9
MD5 hash:
f31e3460a181cdea39d8a4ff9bc0bfef
SHA1 hash:
b7b5175d7967390160481f64131139ea06bd6bdf
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c8d352e2-3af9-4cc6-a95d-3d2ffa8c2a60/
Parent samples :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 hash:
2cbabd2f8e6a105fd422f533a8e6afed5260dd3a67472001c3d777f5a2848659
MD5 hash:
de1418caedb1e167537b5aa2dde3946b
SHA1 hash:
7ea3c2301f8ace26662e1b08e1f04f9d4e5f7c49
Link:
https://www.unpac.me/results/c8d352e2-3af9-4cc6-a95d-3d2ffa8c2a60/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/c8d352e2-3af9-4cc6-a95d-3d2ffa8c2a60/
SH256 hash:
408ef6bf5dcd65a687f99c57f70bc861612c4ba851d50c96d464dbecd8cf5cf8
MD5 hash:
ef5cd2229a0a63de1a27899617b74de6
SHA1 hash:
aafedbc1fa2e7a265e2b235eef6c6d85efe445e3
Link:
https://www.unpac.me/results/c8d352e2-3af9-4cc6-a95d-3d2ffa8c2a60/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/408ef6bf5dcd65a687f99c57f70bc861612c4ba851d50c96d464dbecd8cf5cf8

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.

Cape
Cape
https://www.capesandbox.com/analysis/258164/

Comments