MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf
SHA3-384 hash: fb73b683f1ba1348d17088eb72cdb3570c893fc74daea807b46663125d512203b27b6cf3ad042d1086e3604ade740687
SHA1 hash: 1a13954bc75c10a7aa515ebecb98ef008c6fa10e
MD5 hash: 634f2f16ab47b4363834b52d86073b03
humanhash: monkey-blossom-harry-alabama
File name:Folha de pedido de compra.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:700'928 bytes
First seen:2022-08-15 11:35:50 UTC
Last seen:2022-08-15 13:35:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:OQ0M2TgGew0uEGaHiesIWNexXuWnrJnFmki9bF:OngGew/CXpWNebtFk
TLSH T103E4CFAF2E9C4605CC3907B4ECAD11806BF2BDA53602E6DE5CA330D7C5B239C5798E56
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Folha de pedido de compra.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 11:37:04 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e48a16f9-2986-4275-8abe-ced01f07de7b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/298648/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.32696.22293.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa2fe27a5eee50480c934d/reports/b769483b-b71c-45bb-a094-d5bedaebf8b5/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/daedfa67-3725-4f33-bcf7-54a6de6462bd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051479
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 domain / URL
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683985 Sample: Folha de pedido de compra.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 41 www.contasesolucoes.com 2->41 43 contasesolucoes.com 2->43 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 11 Folha de pedido de compra.exe 7 2->11         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\eAcPgRgqWYCGz.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpB207.tmp, XML 11->37 dropped 39 C:\...\Folha de pedido de compra.exe.log, ASCII 11->39 dropped 53 Writes to foreign memory regions 11->53 55 Adds a directory exclusion to Windows Defender 11->55 57 Injects a PE file into a foreign processes 11->57 15 RegSvcs.exe 11->15         started        18 powershell.exe 24 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 2 other signatures 15->71 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 help.exe 22->28         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 28->59 61 Maps a DLL or memory area into another process 28->61 63 Tries to detect virtualization through RDTSC time measurements 28->63 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 10:34:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7tnqgkz4vghikjkswd7pkxijr4c4yhnecn6pbnio66edo6ecak7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:de08 rat spyware stealer trojan
Link:
https://tria.ge/reports/220815-nqkmvaabdj/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
3f78f0ffadf4d713bbf5893516266f1528159c5f76d2b0c004162c3c76ca1684
MD5 hash:
035b80025b80603c2338447c8f9deae9
SHA1 hash:
99cd99c2d63e71c6e0d389b8ec0734d4b98c0e72
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
Parent samples :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 hash:
d51bae8d3738fe8dc8fead4a9f92d37c111cd4f0074bc01e5ec0dd4b45414d8e
MD5 hash:
01afeee0a0960ce50feedc196f4d5af0
SHA1 hash:
a21ba177a4b47fbda564b8b7b4f83a1c4e2e8aa5
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
SH256 hash:
d64dcc89a7cf46163c80c3bafd8c497c6025d7a46560d39341df1517ad8a44fb
MD5 hash:
17894e767f65b06fcd01fd98cf374a30
SHA1 hash:
2d32f8233c97d83f86728ea9bed4120890f626c2
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
SH256 hash:
fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf
MD5 hash:
634f2f16ab47b4363834b52d86073b03
SHA1 hash:
1a13954bc75c10a7aa515ebecb98ef008c6fa10e
Link:
https://www.unpac.me/results/a195f56c-9fb0-4e61-aa33-92845a7de9c1/
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/fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf

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 fcdb032b3ca98e852552b0fef55d098f05cc1da4137cf0b50ef78837788202bf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298648/

Comments