MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab. 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
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SHA256 hash: a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab
SHA3-384 hash: 48e762f6a54158bdd7dcbf63493d42f5c7a83f286690c15682a0bf6aa4cb38d84a017b66b2c3321e4bea5bec60adc85f
SHA1 hash: 2b897b32de43663cce219db2e7c64aa7315ad6f5
MD5 hash: 3ba5f2da42cf3865b04008a26744d346
humanhash: florida-twelve-four-winner
File name:RFQ5462-PO22000850.pdf.exe
Download: download sample
Signature FormBook
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File size:628'224 bytes
First seen:2022-07-25 09:10:08 UTC
Last seen:Never
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:V1gg31hQx84Prr35PkOzQMqnfa9zbQenJjjbGHZUHy46:dQxH6nfc3bPS
TLSH T1C5D4F133B0F7E915C53847B280E362480BB2630A7073E65F25CE71598AD67EA5E817DB
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/293967/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.44349.11880.14868-222265.UNOFFICIAL
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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
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys packed
Link:
https://www.filescan.io/uploads/62de5edda2f481deb965adc5/reports/a3cc71e7-c49a-4b05-85bf-c6f9f30fd769/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6eae9b79-b36a-4227-a298-056df4085ec3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040254
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 672750 Sample: RFQ5462-PO22000850.pdf.exe Startdate: 25/07/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 10 other signatures 2->57 9 RFQ5462-PO22000850.pdf.exe 7 2->9         started        process3 file4 41 C:\Users\user\AppData\...\TUciHnCOcgcjY.exe, PE32 9->41 dropped 43 C:\...\TUciHnCOcgcjY.exe:Zone.Identifier, ASCII 9->43 dropped 45 C:\Users\user\AppData\Local\...\tmp285D.tmp, XML 9->45 dropped 47 C:\Users\...\RFQ5462-PO22000850.pdf.exe.log, ASCII 9->47 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 9->67 69 Adds a directory exclusion to Windows Defender 9->69 71 Tries to detect virtualization through RDTSC time measurements 9->71 73 Injects a PE file into a foreign processes 9->73 13 RFQ5462-PO22000850.pdf.exe 9->13         started        16 powershell.exe 25 9->16         started        18 schtasks.exe 1 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 75 Modifies the context of a thread in another process (thread injection) 13->75 77 Maps a DLL or memory area into another process 13->77 79 Sample uses process hollowing technique 13->79 81 Queues an APC in another process (thread injection) 13->81 22 wlanext.exe 18 13->22         started        26 explorer.exe 13->26 injected 28 conhost.exe 16->28         started        30 conhost.exe 18->30         started        process8 file9 37 C:\Users\user\AppData\...\1L3logrv.ini, data 22->37 dropped 39 C:\Users\user\AppData\...\1L3logri.ini, data 22->39 dropped 59 Detected FormBook malware 22->59 61 Tries to steal Mail credentials (via file / registry access) 22->61 63 Tries to harvest and steal browser information (history, passwords, etc) 22->63 65 3 other signatures 22->65 32 cmd.exe 2 22->32         started        signatures10 process11 signatures12 49 Tries to harvest and steal browser information (history, passwords, etc) 32->49 35 conhost.exe 32->35         started        process13
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-07-21 09:38:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ubtvmji5xwkmvg56znz6jnpjy5unh6w2hggmzlsklezdv25td2vq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:t19g rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220725-k5l8fabgep/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
22abd8cd411559d6c2d6665d82495f9955656f03a9cccd1f17b42fb9c25e8a97
MD5 hash:
6a48a2225ff2075094b5faebe11e7df4
SHA1 hash:
09d61dd5729fb37b61dc91de43999d4d1c5ab302
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
Parent samples :
d4d430cfe4399aa57154854567d17ef118b6d0eee083b683f81957d2057949b0
262fb779ec6fd7c58573c11480f2293f7680b38d3b62eb9acea9d228ed0a2f09
4b8c3b49cc5ceaea396ffc0444d625d7cc3c231b973f2775a23ab3cafece504d
b1313b8c8d249728b5fe9756332a98c1415468df5f7001f2c1e4c26826edb83e
a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab
SH256 hash:
8937322f1ff376a221c37a524c072501aed4bac0a0b6d8c89ede1a6a4fc1a53f
MD5 hash:
f2cafc1b85a6753094ec3bdc64ad5c09
SHA1 hash:
ec2a45ea2443453c7c7f449fecabf169a17f829a
Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
SH256 hash:
ca4e3745f87ae419e10fa9dd15e9814f66a7dca601ae70bd3ae3b0b0781e9491
MD5 hash:
6491ab64072f34a6124f4cdf1d9bdd43
SHA1 hash:
78008e0c188d1732ebb5bbfe6d15892ebe32b1f7
Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
SH256 hash:
49c5ce0d11ba39da3d4bf3b3ccf1b25da4a081ab1f9f89f43485eaefcbe9c609
MD5 hash:
e338465d944c62507809d0dd0d35afb2
SHA1 hash:
4b2bb40bc21f791091c095a819a9b4c9a7c43745
Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
SH256 hash:
a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab
MD5 hash:
3ba5f2da42cf3865b04008a26744d346
SHA1 hash:
2b897b32de43663cce219db2e7c64aa7315ad6f5
Link:
https://www.unpac.me/results/886f05b1-f8c6-4588-8265-ac6679141dfc/
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/a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab

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
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Rule name:Skystars_Malware_Imphash
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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 a06756251dbd94ca9bbecb73e4b5e9c768d3fada398cccae4a59323aebb31eab

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/293967/

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