MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296. 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 16 File information Comments
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SHA256 hash: b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296
SHA3-384 hash: bda186ff502cd183b4d71217279f4da13c6664edd969c1011fc9e5496bae1e73e32348dd74161dce3cf88b0b6489b57d
SHA1 hash: 68d3e42c14647c6e66d7fc9135a24693f429f7d1
MD5 hash: c1f404162aae03ebc93f41104f4ac95d
humanhash: social-bacon-lima-echo
File name:rSolicituddePedidoDocumentoNo148646080.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:674'816 bytes
First seen:2024-02-27 10:14:07 UTC
Last seen:2024-03-04 11:55:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5xYTMvvjpkDaBs/DwPXHzwh4J9gcGa+LCpn941d80g5HZbplUJBcHps:UMnFTaLaXTU4bg985RUBcHps
TLSH T156E4122033B8B634EDFE1B79B53545020BB57A172AB3D14C5D8B28DC5AB67094A11F73
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
319
Origin country :
BR BR
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/477945/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46295.4160.23279.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65ddb629781f57164644abb4/reports/9a8fceb0-3978-42ec-a880-d22185ff8a2b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e2fd340f-939b-495e-93bf-2e28e473838b
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1399348
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
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Status:
Malicious
First seen:
2024-02-26 19:03:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsliuxbvppvz37rxcmnz62qwgiiz6tf2czeqyutkbcrhzbmuakla._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:pz08 rat spyware stealer trojan
Link:
https://tria.ge/reports/240227-l98snsef4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
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Link:
https://www.unpac.me/results/50ebb6a7-8994-4734-b132-4d97772e34e7/
Parent samples :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 hash:
74bcfe6125387b006dffccba85e9eeb917c0ef7b25af10734cec21b9df185e73
MD5 hash:
ba4144e4e3bf02066f5a7138230a5270
SHA1 hash:
fb4edb9722f6facaec9c9291fc56262981b6ed41
Link:
https://www.unpac.me/results/50ebb6a7-8994-4734-b132-4d97772e34e7/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/50ebb6a7-8994-4734-b132-4d97772e34e7/
SH256 hash:
4ee441f7b1fffce6b7201b9a533d7476400c5a75ad3868d17e6ab8e32dfc0881
MD5 hash:
3475a630510738559665c252616af38c
SHA1 hash:
88828783656a6c9c831c28e5fea082d4484ba19e
Link:
https://www.unpac.me/results/50ebb6a7-8994-4734-b132-4d97772e34e7/
SH256 hash:
b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296
MD5 hash:
c1f404162aae03ebc93f41104f4ac95d
SHA1 hash:
68d3e42c14647c6e66d7fc9135a24693f429f7d1
Link:
https://www.unpac.me/results/50ebb6a7-8994-4734-b132-4d97772e34e7/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4968a5c357b/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/b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296

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
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no 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: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 b4968a5c357beb9dfe37131b9f6a1632119f4cba16490c526a08a27c85940296

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477945/

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