MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e. 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: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
SHA3-384 hash: 39b150361fc710fdef9f9a545ed468e5ab05535873b50aa80588b66967ce97c9d0296d62a6fc30bc2e8ea102d4ffa6be
SHA1 hash: 4b13ce08e335d9b2be1d807e7b7dd836177f9274
MD5 hash: 49f99fe8437871d1526e0874404ad440
humanhash: seven-connecticut-queen-bluebird
File name:SKMBT_C9020112023 PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:654'848 bytes
First seen:2023-12-22 09:56:56 UTC
Last seen:2023-12-22 11:14:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:HZSyieomWOHSIhoKysvh0Heu2pNcyxtntoReQ8zqC7ssnYoGC4Q4:pC/B6oKysGOvxWS75UC4Q
Threatray 909 similar samples on MalwareBazaar
TLSH T10DD4F1953768AF12D13E4BFA0651350903F2965E3079EB0C8DD221D76AA5F028F61FEB
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
341
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/469032/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65855d72b855eb3693ed77c7/reports/d834d386-1b91-4345-9a56-956faf704bf7/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5d89059a-4115-45c9-9c08-847daa111a0f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1366155
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
Antivirus / Scanner detection for submitted sample
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
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 domain / URL
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1366155 Sample: SKMBT_C9020112023_PDF.exe Startdate: 22/12/2023 Architecture: WINDOWS Score: 100 34 www.qieqyt.xyz 2->34 36 www.turifaln.top 2->36 38 14 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 50 13 other signatures 2->50 11 SKMBT_C9020112023_PDF.exe 3 2->11         started        signatures3 48 Performs DNS queries to domains with low reputation 34->48 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 SKMBT_C9020112023_PDF.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 6 1 14->17 injected process8 dnsIp9 28 td-ccm-neg-87-45.wixdns.net 34.149.87.45, 49740, 80 ATGS-MMD-ASUS United States 17->28 30 pompgarden.com 3.33.130.190, 49743, 49744, 80 AMAZONEXPANSIONGB United States 17->30 32 2 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 colorcpl.exe 17->21         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2023-12-22 09:57:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 22 (72.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m345gmyziek7atplyogmfs3pumoeioyzrcnxxjbyei5odwaat2pa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
08bd19ee270606f776e998984c478e35eb93b7a8eade7c4d945d2869ece51ed9
Formbook
1689e8640744d9c02fb7afae8b9d62cc9c464d12ee33a7ef65f72e8840d47733
Formbook
4498e7614edf09dd436a5d0f9cbd418ce22c081692c19887a7b822c2581aa15f
Formbook
4f8ef9616b1237912967776aff09a8b8fea96837f78787911ce7405ecb4b001d
Formbook
78854920bdb00256902029bebce69365c42a97b0431ff35c48f6faf5951f24e3
Formbook
7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
Formbook
+ 899 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g11y rat spyware stealer trojan
Link:
https://tria.ge/reports/231222-lyxk9shcg5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
6ff7eef9360cc9ee0310f08411dc1de34746b44321b5784671dbf5f3d9bcca30
MD5 hash:
82f3cd4d9304a5e097cf2831a829b30d
SHA1 hash:
a025216f4268e46752872985d03fe0b718b3c4be
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/16a5d9b5-77de-4472-946f-0ebb536325e8/
Parent samples :
7d7af49eae5e4d1d32af7575a6ecd2a2c9e6b6be95edf5026e3eebde23e44038
08bd19ee270606f776e998984c478e35eb93b7a8eade7c4d945d2869ece51ed9
1689e8640744d9c02fb7afae8b9d62cc9c464d12ee33a7ef65f72e8840d47733
4f8ef9616b1237912967776aff09a8b8fea96837f78787911ce7405ecb4b001d
66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
fd032e026a2d0dc8f80370acf62e120c4a04fb1fd46318839f162f1949ad0edf
SH256 hash:
3f0746a62ed6b9988d22e459a082f0f74c09a7274340135a128a8c8f196be56d
MD5 hash:
d2b9519a68c26ab421a5b315e4622dbb
SHA1 hash:
e3b3b999022a3acc4fd91546c8269a67dc586175
Link:
https://www.unpac.me/results/16a5d9b5-77de-4472-946f-0ebb536325e8/
SH256 hash:
0f49d90bba0035f57e41b8a4afb6f48e23945fcc9a73d6552b844c20829efac4
MD5 hash:
eb6a5d03227b41356d54a42c2d13492e
SHA1 hash:
77abf7582bf2d8ab60411623ba57467ec9269366
Link:
https://www.unpac.me/results/16a5d9b5-77de-4472-946f-0ebb536325e8/
SH256 hash:
644f08475f0cbdcc7521816db34c0aeeed4a4c862a859bc5cbdbcd8f9e19a2d6
MD5 hash:
bdc8293e4ec7c4a36ff01ee00eed173b
SHA1 hash:
09f2690761ac8219a218dfcf23d4549b0d4940f1
Link:
https://www.unpac.me/results/16a5d9b5-77de-4472-946f-0ebb536325e8/
SH256 hash:
66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e
MD5 hash:
49f99fe8437871d1526e0874404ad440
SHA1 hash:
4b13ce08e335d9b2be1d807e7b7dd836177f9274
Link:
https://www.unpac.me/results/16a5d9b5-77de-4472-946f-0ebb536325e8/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66f9d3331941/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/66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e

File information

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

Malspam

Formbook

Executable exe 66f9d333194115f04debc38cc2cb6fa31c443b19889b7ba438223ae1d8009e9e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/469032/

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