MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788. 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 17 File information Comments
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SHA256 hash: f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788
SHA3-384 hash: 45a24e825d5faf8db4fefc15613eed1a26d406faee6b2486377c675ab7135efe0505ee74ab8706d6a63f6f10fd6bf44c
SHA1 hash: de06bdfea12829cfca118f689f662bacc17fc500
MD5 hash: b5519e41798f037a08078e7cfd73a0bb
humanhash: cat-winner-carbon-washington
File name:PR-QEX0009102023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:530'950 bytes
First seen:2023-10-17 12:32:37 UTC
Last seen:2023-10-20 16:25:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 12288:DfLRnYsH82S743zbp/UPUYCQI3+H2v6+AuzPkYHiItfY8qzu9rEwy7:DfLR5B3zVSUYPA+WC+A4kYHpgu9Iwy7
TLSH T171B4235063A084F3E93719351E7235424EF8ED3C1976450A6B207E6FBA32DEAC9279D2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon eccc8c94d4d8e8f4 (21 x Formbook, 15 x AgentTesla, 5 x Loki)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
344
Origin country :
DK DK
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/455326/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1766.3093.28561.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/652e7f0da29a700213a42e5f/reports/84f440d9-c892-4f16-992d-4e2c7b9dee52/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788
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/1f490dfc-e9d2-4301-aaa2-e8ed95319365
Result
Threat name:
FormBook, NSISDropper
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Detection:
malicious
Classification:
n/a
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1327260
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788/
Threat name:
Win32.Trojan.Garf
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Status:
Malicious
First seen:
2023-10-15 23:06:56 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6cbr5qssfv6y4cc7rdeovug7ar4moxx6iohiisn2wp2uku7eo6ea._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231017-pq7ytabh8w/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788
MD5 hash:
b5519e41798f037a08078e7cfd73a0bb
SHA1 hash:
de06bdfea12829cfca118f689f662bacc17fc500
Link:
https://www.unpac.me/results/bc091449-9568-4d56-b686-af1615e10e30/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f0831ec2522d/report/overview.html
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/f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
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Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe f0831ec2522d7d8e085f88c8ead0df0478c75efe438e8449bab3f54553e47788

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/455326/

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