MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83. 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: 4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83
SHA3-384 hash: a6e484115035fa3efad173826ca2bb632bd212862f5845237555ed059bfc974c821c1c7838d6541a2b5bded88484abe4
SHA1 hash: b149921ff8b37ccc526a47f170eff93d4746faf9
MD5 hash: eec85a3805bca7a05b1e669f3a043bc6
humanhash: three-golf-early-arizona
File name:Solicitud de pedido Documento No 168646080.exe
Download: download sample
Signature Formbook
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File size:711'680 bytes
First seen:2024-02-28 13:50:36 UTC
Last seen:2024-02-28 15:52:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:98S+oGOKc/hbL9bW9ezytPCcyINFbn6UjD2BjnCKJ0BMlWqU:tbL9iyQCps5nL5bMgq
Threatray 896 similar samples on MalwareBazaar
TLSH T180E4E059236CAF72E67A4BF854A098510BF1352FA13EE54A0DC224DB6E75F608F42F43
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/478133/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.15450.1414.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65df3ac509d457664f0eba1d/reports/2e149bd5-17ad-4169-8fe0-067e12d33a61/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83
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/ba8ff4fa-d5aa-4c59-b9ef-1aee55847288
Result
Threat name:
FormBook, PureLog Stealer
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1400223
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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)
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1400223 Sample: Solicitud de pedido Documen... Startdate: 28/02/2024 Architecture: WINDOWS Score: 100 32 www.ytytyt016.xyz 2->32 34 www.yobo-by.com 2->34 36 12 other IPs or domains 2->36 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 52 15 other signatures 2->52 11 Solicitud de pedido Documento No 168646080.exe 4 2->11         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 signatures5 60 Adds a directory exclusion to Windows Defender 11->60 62 Injects a PE file into a foreign processes 11->62 14 Solicitud de pedido Documento No 168646080.exe 11->14         started        17 powershell.exe 23 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 63 1 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.yassa-hany.online 103.224.212.213, 49721, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 19->38 40 www.thewipglobal.com 15.197.130.221, 49717, 80 TANDEMUS United States 19->40 42 7 other IPs or domains 19->42 54 System process connects to network (likely due to code injection or exploit) 19->54 25 msiexec.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-02-28 08:47:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjehyqriwcungfuat7ndkefwcu7tslkoqbrcfe7pu3epfrhrzwbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ca7cea9b070c01b4a5e6f72f2fe9f975f56b00131329357b9b14da69ff5ab48
Formbook
4018310881b6b77db2e97b400ecee07ca40d65d72f604f8db0f85b8815d3c94e
Formbook
446ff8a7bbf81d173be5d0a31738f87e2738af8312bc8f4aa4ca3b92b951fd3e
Formbook
4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83
Formbook
7d08e32acf3a9ce5b471219b20d8c8c9bbe4fc03601f41b36291afdec86f39ce
Formbook
8a75a7116ae80c077d8d4674fa044bd40670844116f200337bbbcef5ae3ee9a1
Formbook
d93058ce47215773bfed7fc6a36c4991a4d3278ce71cfd6ec23d0c3b74566798
Formbook
ea54b2d8e2e29ed25f7167eff3c4c5d07f7d350cc89d006fb2039cd848f87ac2
Formbook
f9c31e0238b8e6504435e2d5bce7da1896ffde15791d9189f933958ba690914d
Formbook
+ 886 additional samples on MalwareBazaar
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/240228-q5s9msdb7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
24e196036554f430cfb19fb9343e4d2ee0f51129c1b270974ae27bd6581cf33b
MD5 hash:
261de885397be969e26e090bdc497544
SHA1 hash:
f10620c94b6d588a0a142904bc29dd32aa36ff93
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Formbook
Create hunting rule
Link:
https://www.unpac.me/results/115563f2-47cc-4904-a165-f4f150e50f22/
Parent samples :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 hash:
efa71a06df2ab0183d6260bab0c3f500a42b65a0b1ece9d87e69ad863f80ed07
MD5 hash:
b2435d5d1500f8d9518df19a00f2ad71
SHA1 hash:
6faba07a9a03f6cce91601014f83060f46d10113
Link:
https://www.unpac.me/results/115563f2-47cc-4904-a165-f4f150e50f22/
SH256 hash:
fe666553645ce1edfc395d0a4ba72fb281377d72cf89bcbbe1f43012b4f04246
MD5 hash:
cc0b3d31c7162553868f73e38c9c6fa8
SHA1 hash:
6d3e1237dbbb836afcb0203f054a89c585ebaca1
Link:
https://www.unpac.me/results/115563f2-47cc-4904-a165-f4f150e50f22/
SH256 hash:
a1641e650531f49b704a7097303941766fbbbc355e96d9a38d37ee59fcfbf803
MD5 hash:
503070be34bb3b7304901df0c718a291
SHA1 hash:
1bfcaebc578fc50415b9c56e254cf7a412bd12d8
Link:
https://www.unpac.me/results/115563f2-47cc-4904-a165-f4f150e50f22/
SH256 hash:
4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83
MD5 hash:
eec85a3805bca7a05b1e669f3a043bc6
SHA1 hash:
b149921ff8b37ccc526a47f170eff93d4746faf9
Link:
https://www.unpac.me/results/115563f2-47cc-4904-a165-f4f150e50f22/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4a487c4228b0/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/4a487c4228b0a8d316809fda3510b6153f392d4e80622293efa6c8f2c4f1cd83

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:AgentTesla_DIFF_Common_Strings_01
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Author:schmidtsz
Description:Identify partial Agent Tesla strings
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
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Author:Willi Ballenthin
Rule name:NET
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Author:malware-lu
Rule name:pe_imphash
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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
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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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.

Cape
Cape
https://www.capesandbox.com/analysis/478133/

Comments