MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686. 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 9 File information Comments
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SHA256 hash: 659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686
SHA3-384 hash: b68455105914e9259f5e8b246d67f31a648a44b3c2b80673ed2e7aa6693454c991124b45152d5336cd875e84810ae1d1
SHA1 hash: 75e442909af9a288b0cb18ed2fb831296475a9b7
MD5 hash: 0c48596b2ee50230aa406dfa7edb9d68
humanhash: autumn-purple-avocado-network
File name:Curriculum Vitae.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:679'936 bytes
First seen:2024-06-10 10:45:36 UTC
Last seen:2024-06-11 17:11:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:QGZI7VA5qpl1jpjELig917TzizqAnWqu7DJ9OiM55MNhYsyuUqyJMR:QmKjJmWzRnWquKRGssymOW
TLSH T168E4230477DC6BB5FD3E6B7224FD82D023BAB92A6816E50DF5CB01DAA6667004F41327
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
338
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686.exe
Verdict:
Suspicious activity
Analysis date:
2024-06-10 11:21:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dde0f85e-9ff0-4336-ac4d-dee0d33e74ae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Taskun-10031574-0
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66670706a439c6d6b0874f22win7simulatehigh_evasion
Tags:
Static Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6666d970eae3878d8f38dd34/reports/acb848ce-280f-4435-be6a-d46f026595db/overview
Verdict:
Malicious
Labled as:
Ser.Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53869c76-8b72-405e-9518-cc43db68345c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454511
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454511 Sample: Curriculum Vitae.exe Startdate: 10/06/2024 Architecture: WINDOWS Score: 100 37 www.uqdr.cn 2->37 39 www.theppelin.online 2->39 41 19 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 8 other signatures 2->55 10 Curriculum Vitae.exe 3 2->10         started        signatures3 process4 file5 35 C:\Users\user\...\Curriculum Vitae.exe.log, ASCII 10->35 dropped 67 Injects a PE file into a foreign processes 10->67 14 Curriculum Vitae.exe 10->14         started        17 Curriculum Vitae.exe 10->17         started        19 Curriculum Vitae.exe 10->19         started        21 Curriculum Vitae.exe 10->21         started        signatures6 process7 signatures8 69 Maps a DLL or memory area into another process 14->69 23 cYTMAXgERuEmTCbqPp.exe 14->23 injected process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 23->57 26 TSTheme.exe 13 23->26         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 26->59 61 Tries to harvest and steal browser information (history, passwords, etc) 26->61 63 Modifies the context of a thread in another process (thread injection) 26->63 65 3 other signatures 26->65 29 cYTMAXgERuEmTCbqPp.exe 26->29 injected 33 firefox.exe 26->33         started        process13 dnsIp14 43 www.getmall.online 203.161.43.228, 58897, 58898, 58899 VNPT-AS-VNVNPTCorpVN Malaysia 29->43 45 www.shengniu.com 152.32.189.143, 58913, 58914, 58915 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK Hong Kong 29->45 47 10 other IPs or domains 29->47 71 Found direct / indirect Syscall (likely to bypass EDR) 29->71 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686/
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 15:22:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwkgbpkidzgdqh2r7koxrj6aqkjcoat55vvkt25ou467aiupo2da._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240610-m1v1wsgc8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/92135c31-4705-4aa9-a189-2e24328349a7
Unpacked files
SH256 hash:
8e1e81a2517df82e4f890e7f06af93645f610015f1b0043f205882449eee1b96
MD5 hash:
dcf6f858e1fd755e7227e3dcdd1c81c6
SHA1 hash:
2efa0a938ddf19aae6f33de5dc99140eedfa801b
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
SH256 hash:
6215c4f3fc7666f2a5757e6779864a884d7d698bb02594e4c8456f84daf6bb5e
MD5 hash:
cfe7e26312cf4ce9c4c628a290b6a55a
SHA1 hash:
71216d923775f21b2ee26913d1098fc035eb0b77
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
SH256 hash:
b411f740c1a720060bfc880fb2cd8a4269abc71decedf2ed433e0a0ebc9ffdfd
MD5 hash:
4baa090f20b12d63e7a783d8700a9531
SHA1 hash:
bf23f5e9b79b89e1896dccd99fd86ac2565ab4d7
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
SH256 hash:
4e2d2a017efb9727e8224b062ce9ea5624d2ce39a7f27c0e57d2cb1cc5f1a21d
MD5 hash:
9d0dcc21d70ee1cea0f62878d23b897a
SHA1 hash:
8ecfee8bab341d658076a6744558bbc0f3dba5ee
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
SH256 hash:
659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686
MD5 hash:
0c48596b2ee50230aa406dfa7edb9d68
SHA1 hash:
75e442909af9a288b0cb18ed2fb831296475a9b7
Link:
https://www.unpac.me/results/092bf9b5-702d-46c1-9e47-e99ced5bbfd5/
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 659460bd481e4c381f51fa9d78a7c0829227027ded6aa9ebaea73df0228f7686

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments