MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5
SHA3-384 hash: 08fae4d2cdd34bf2a1d975e9662e43e08aae902f8bcebc2ed9e84b9ae554e30c223a826920728757a1adb18dfad6a977
SHA1 hash: 918834984c6d13577625ae3b93d6207493f7ee15
MD5 hash: a11723be474379dc80852dfeb99d2b4c
humanhash: venus-nebraska-seventeen-fish
File name:richiesta.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:1'024'512 bytes
First seen:2021-02-12 11:13:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:XJ8hllsOBcUsBIynzr9dqrZUydTslCKhX6X01GvNBpTovheTS7orb36TRJeFE2JA:ib9K/nzglTkNbGbpdrn3QQS2s
Threatray 3'747 similar samples on MalwareBazaar
TLSH AB256852D2FC1AEFECAC2EB5011216081EB1BF759A21953CE95A34D9E933F03C52D693
Reporter JAMESWT_WT
Tags:FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
richiesta.exe
Verdict:
Malicious activity
Analysis date:
2021-02-12 10:52:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9a43ade6-146f-4444-a0c3-1394912ce230

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/116919/
Detection(s):
Win.Malware.Score-7597125-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/606706
Signature
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 352385 Sample: richiesta.exe Startdate: 12/02/2021 Architecture: WINDOWS Score: 100 67 www.texastrustedinsurance.com 2->67 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 10 other signatures 2->81 11 richiesta.exe 7 2->11         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\HnnVhc.exe, PE32 11->57 dropped 59 C:\Users\user\AppData\Local\...\tmpC17F.tmp, XML 11->59 dropped 61 C:\Users\user\AppData\...\richiesta.exe.log, ASCII 11->61 dropped 95 Tries to detect virtualization through RDTSC time measurements 11->95 97 Injects a PE file into a foreign processes 11->97 15 richiesta.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 111 Modifies the context of a thread in another process (thread injection) 15->111 113 Maps a DLL or memory area into another process 15->113 115 Sample uses process hollowing technique 15->115 117 Queues an APC in another process (thread injection) 15->117 20 explorer.exe 1 7 15->20 injected 25 conhost.exe 18->25         started        process9 dnsIp10 69 brindesecologicos.com 94.46.169.110, 49745, 80 ALMOUROLTECPT Portugal 20->69 71 www.wwwjinsha155.com 20->71 73 5 other IPs or domains 20->73 53 C:\Users\user\AppData\...\v0attffvn14.exe, PE32 20->53 dropped 55 C:\Program Files (x86)\M4ho\v0attffvn14.exe, PE32 20->55 dropped 91 System process connects to network (likely due to code injection or exploit) 20->91 93 Benign windows process drops PE files 20->93 27 wscript.exe 1 18 20->27         started        31 v0attffvn14.exe 5 20->31         started        33 WWAHost.exe 20->33         started        file11 signatures12 process13 file14 63 C:\Users\user\AppData\...\KN2logrv.ini, data 27->63 dropped 65 C:\Users\user\AppData\...\KN2logri.ini, data 27->65 dropped 99 Detected FormBook malware 27->99 101 Tries to steal Mail credentials (via file access) 27->101 103 Tries to harvest and steal browser information (history, passwords, etc) 27->103 109 2 other signatures 27->109 35 cmd.exe 2 27->35         started        39 cmd.exe 1 27->39         started        105 Injects a PE file into a foreign processes 31->105 41 v0attffvn14.exe 31->41         started        43 schtasks.exe 1 31->43         started        107 Tries to detect virtualization through RDTSC time measurements 33->107 signatures15 process16 file17 51 C:\Users\user\AppData\Local\Temp\DB1, SQLite 35->51 dropped 83 Tries to harvest and steal browser information (history, passwords, etc) 35->83 45 conhost.exe 35->45         started        47 conhost.exe 39->47         started        85 Modifies the context of a thread in another process (thread injection) 41->85 87 Maps a DLL or memory area into another process 41->87 89 Sample uses process hollowing technique 41->89 49 conhost.exe 43->49         started        signatures18 process19
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-02-12 02:58:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
66
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3cxer74dwmoqola2twmimyhcuc7bewvjg45evwy53ad5b7ve5psq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0db69eb6654d1090cb17ab58537a7304e2c269613c0edabf123cf230d289db73
FormBook
1e91dc39314361fd45321a8adc28435467ad1167ee0cc646f77946b522b9efe3
FormBook
2dc919f5d220f45c43cf0de4399d30313ff6566b79e4f367e279a0bb71429b84
FormBook
45a1bb88d5e48989369b90d346c9d706a24c8b1205c4358b6a3bda278aeee6cf
FormBook
65463a82bb20ec1f2d53e93c9e51538d55fff2844c746afc36e7a1c43cce36e4
FormBook
80b60b15186be0ecab7ea836bbe4e42477d1c9dfa1d984b1f9ae8670cf7380a1
FormBook
85774cdd3163c5e259dafdf67b113fd69fa8f4f9ebd964ee91b099bd2f58ebfd
FormBook
8f10623db4fc1e8289a02e94db58942a94a25c59a06e559fa910094da3db7e9d
FormBook
9392304274014d5807d5a2271486ea5a72143d7a1214ecc1b59b1626dfc3ba64
FormBook
ea757d5009b479c116f888667fe901ed1c2f5687d26cd611df29298c17529153
FormBook
+ 3'737 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/210212-3sw3zht49e/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.joomlas123.info/n7ak/
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/17196f8e-2bea-4d68-b37b-155b2eb47857/
SH256 hash:
d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5
MD5 hash:
a11723be474379dc80852dfeb99d2b4c
SHA1 hash:
918834984c6d13577625ae3b93d6207493f7ee15
Link:
https://www.unpac.me/results/17196f8e-2bea-4d68-b37b-155b2eb47857/
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/d8ae48ff83b31d072c1a9d988660e2a0be125aa9373a4adb1dd807d0fea4ebe5

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/116919/

Comments