MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52
SHA3-384 hash: 6321b1d4521c28fad57386ee471eabb27c6344c172b845fc7298eb5a234eb7dfb95d2165fc8110be50ad1f28bd2ed6a6
SHA1 hash: d5802517754d6c8e696ebd21ffe10724b4132630
MD5 hash: 073e3260236d223c5b42d2eb0e6cce09
humanhash: moon-foxtrot-west-black
File name:Confirmaci¢n del pedido.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:944'128 bytes
First seen:2022-10-24 07:20:53 UTC
Last seen:2022-10-31 10:56:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:PuE12MglTiUMmerDrrjBahitB5DzWrU9W:mEKl6xrHPBOazWI9W
TLSH T198155AB626D50117E42972B99083E1F322FBAE506042E2C765D75F6FBC811BBD61338B
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Confirmaci¢n del pedido.exe
Verdict:
Malicious activity
Analysis date:
2022-10-24 07:25:15 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/2184e441-1114-44f0-9363-adbf965657b8

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/323253/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
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/b93f8efc-1157-4efa-891b-b50350bd4e92
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1096385
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 729031 Sample: Confirmaci#U00a2n del pedido.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 31 www.nxcourier.com 2->31 35 Multi AV Scanner detection for domain / URL 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 8 other signatures 2->41 11 Confirmaci#U00a2n del pedido.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\Confirmaci#U00a2n del pedido.exe.log, ASCII 11->29 dropped 51 Injects a PE file into a foreign processes 11->51 15 Confirmaci#U00a2n del pedido.exe 11->15         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 15->53 55 Maps a DLL or memory area into another process 15->55 57 Sample uses process hollowing technique 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.tanjawiharbi.co.uk 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 msdt.exe 18->22         started        signatures11 process12 signatures13 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 23:10:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pn5cxdbhdpq6qukys5fhd7auaoso6tlbpec7agouoidaqtsj5nja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ng04 rat spyware stealer trojan
Link:
https://tria.ge/reports/221024-h6nfsafcfp/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Formbook payload
Formbook
Unpacked files
SH256 hash:
8c70809310f41a91ff32acc19f100291f1f891b50f755f7aaf3cfaa9b3605081
MD5 hash:
c31e5d9ba7aec5414d391e20a40e396f
SHA1 hash:
7c6fadf94aa41dbbc6c36ff1ae283d054e659843
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
Parent samples :
bd29947fc88d96b3f5b2982d67f1d5df99aad570ce86b87ed91103b8f43c3b8f
37e6fcc2791cdc7fa2f5a433d7b13d0d57857cde8ab4aec7e5da2879eee8bb59
3267b1eb2ba481661c36673fd9ece9d49a3e6ebe215ec02210fac50673cad1be
4555bb45a8a8d87ec2a075e1715934c8c43b4f260ad7d175668d4926cb4a664e
6670643884f45c79ebf03330570074899755e1f3902d7c08316ecbde4f57efa4
886f9ff18b92cf41d4c0a56e6720304130b15a1656bdc235bd4bf190ef8fd26c
7bfd0cbe00b3e14080e2001ec896a53d2f205caa56480a0d760f8460980da76b
062e12bd387057d358d7f0ba9a20f0fd62e3f589e2660bf63e2c85eb5ea827bd
0c7b5e8115ca42bf2a539dc86e042acdd873463d4724fbb61c923a6d0aa0e869
a5b3f39420dfafa9d157f75e980c1fd8742ab42ec71d4170a8e1752589c5c83d
af4e4f24d35ee2d2d5efdfcaff5d9b5c0b6173165d66e5e22ff44c53e8a316f4
7f8b18cb89b63284a7d5fed4c53f861f8ce52a6c7c776e8d7c4b1b223202c6f8
7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52
c0f5e01dded221a720c2173447e936c1e1148928016187fa4e8ac8e3a087b4ee
8131924855c3926690be5745c37966c5bef10c9c851054fab7729fc7fb02ba13
09cda694bcb240c7b0742de73888b7ab55db4f29ee1c6c471f4b8982dc150f5d
3d0400fb45ebf52e42f40e3c6c3c246a6c1e1550f8b974b848f57a4294084162
dae07c0c93ddde9c93128b15ba4fd8ec83a07538d3b03eda7374cfcb5441c84f
dd7311a0428c78cec1db4fbca409094ab6694db68c03aa878f9f1872ecc6e1db
e8ed49650b42ebb3a251a7353809309e94f885316bf1b0153def1c180628cee4
2cb3478355fda005cf47b9c74d29944815892efe821a57b0974969939c106d09
dd7c962afea2752944885fdd3551a0a50fc3a58f676c1466f5fb71eda72d5a24
2de425eff8193440b8b171e724acec8404b9d81ec48600847946b2b828b494f0
SH256 hash:
161903f7d5633a0cdc5d416c229e1af16ad3f5a6d11dbe8d500aa9151a273f62
MD5 hash:
b460e7cd67e88a80f0b65f65d28b1c4c
SHA1 hash:
fef017687483cf2b5b9d5f8061b6f0645fdcf779
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
SH256 hash:
b4d31cacadc89368e4743f83e93324906e06e2872c424ec42851efeb561854ec
MD5 hash:
8d5643e7f306b34c660b3df25b08ae62
SHA1 hash:
efc953cd3eddc024e0c4ddbaf96c5edfa5d82454
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
SH256 hash:
4b2dd03b56982230e2439f2c727718de1ceecc63d4c69f3adccc760b430e5da9
MD5 hash:
1b8d760060bdac7836e0a713c1e581d2
SHA1 hash:
9dea34bfe2085cae22e3d7c34e2a53d2c5c1449c
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
SH256 hash:
7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52
MD5 hash:
073e3260236d223c5b42d2eb0e6cce09
SHA1 hash:
d5802517754d6c8e696ebd21ffe10724b4132630
Link:
https://www.unpac.me/results/299aa0ef-2e13-4bb2-a43b-2dcc93a475de/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b7a2b8c271b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52

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 7b7a2b8c271be1e85158974a71fc1403a4ef4d617905f019d47206084e49eb52

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/323253/

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