MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
SHA3-384 hash: 17c4ee3200a8c2e6e9eb59966e1403355048f6d3ab5630f93510678c0bdc26a81fadcbd16e3139f6ace7eb15c8cb5305
SHA1 hash: bdd0cccc0793473979ae2f7328a3ebbbdd139bdd
MD5 hash: 7b7d545c1d9254682cc9e6945a00540c
humanhash: four-skylark-hot-gee
File name:7b7d545c1d9254682cc9e6945a00540c.exe
Download: download sample
Signature Formbook
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File size:764'928 bytes
First seen:2023-07-25 18:27:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2svIkPt46c7ujzCWSD6IYkVH2J7KpzbTUkO89Ldk+7ObFodfGigs39SIk:5vIwwQCmkVs7kzXUd8Pk+7ObKhcI
Threatray 3'334 similar samples on MalwareBazaar
TLSH T161F4124106E88706D2F493F81F64A30A53F98FD57852E3289FD3DCD1B4ABF60A9116A7
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)
File icon (PE):PE icon
dhash icon f0d4d4c69cd4d0f0 (3 x AgentTesla, 3 x Formbook, 1 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
03754fa7d639d85d262b51181879962d
Verdict:
Malicious activity
Analysis date:
2023-07-25 06:16:18 UTC
Tags:
exploit cve-2017-11882 loader formbook xloader stealer spyware
Link:
https://app.any.run/tasks/9ea8a86f-c3e0-4aad-b86c-8099561b0288

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/433054/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68333043.6015.29039.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
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/469d096e-3386-4098-8163-5a79284c598e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279501
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279501 Sample: hPeysXygr0.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 5 other signatures 2->46 10 hPeysXygr0.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...\hPeysXygr0.exe.log, ASCII 10->32 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 14 hPeysXygr0.exe 10->14         started        17 hPeysXygr0.exe 10->17         started        signatures5 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 19 explorer.exe 1 1 14->19 injected process8 dnsIp9 34 www.paragonpediatricurgentcare.com 19->34 36 www.bledcerium.online 19->36 38 www.barstool-us.com 19->38 48 System process connects to network (likely due to code injection or exploit) 19->48 23 explorer.exe 19->23         started        26 autofmt.exe 19->26         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 23->50 52 Maps a DLL or memory area into another process 23->52 54 Tries to detect virtualization through RDTSC time measurements 23->54 28 cmd.exe 1 23->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-07-24 21:29:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywxjuqvsnmvazg32wdtv3rc6xmi4netwgrni5donmntvtflj7pcq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0678008b99744da75d64b17e189a5f8934780a0ddf2384d8c24e4240f796dc34
Formbook
09a46413e5df831a43d988315fc1973f8ec5124fa4d984c84da40d8a2b15f1ba
Formbook
0a66f915bdd8a4fb6a5ccd21d56c97a0fbf75a5cf534e1bb927c594e0643cb2d
Formbook
5ad354e8575a8c5c293f1fa8a1a25de41078a35c843b330a4b7529ec9b042d9b
Formbook
67ff25062bd960e50c4b3fcfc82c3029aa1e3302fa453c0fecb76176494cc496
Formbook
a993e52917b124010519fcf6adb63124d87c0cc594cea58b1dce686bf85d7cf9
Formbook
c12c8b215ea70724d05e814efd6d317d96477e8c2cb36d48be2f9b8de14b2b60
Formbook
c250549bfd9382d9489d8a0905c0b8bde28ec07f5af5d8b92e4ec8eb6cc72248
Formbook
d0b0c22cd8d89cc33def6e5e61f4afd8d3f2aafdeba6833aa686489a104eefce
Formbook
f9d8de2f2c358a5dd9e080b0f4f9b9f651e59cc7cecbec4c83e45197e1ffe13d
Formbook
+ 3'324 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:xy18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230725-w3q96afa76/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
6dba7e2f791b8bc6409266fad7402f38b3f89e8e7ecc11642bc42eaff38f0045
MD5 hash:
f7dfb8cac68b5d752c0a21d3024ce224
SHA1 hash:
9791866ce00085ac50f8f41a1cde215bf274d91a
Detections:
FormBook
Create hunting rule
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/2a3c729e-9959-4544-8e22-3b4dea7ae0c4/
Parent samples :
09a46413e5df831a43d988315fc1973f8ec5124fa4d984c84da40d8a2b15f1ba
c250549bfd9382d9489d8a0905c0b8bde28ec07f5af5d8b92e4ec8eb6cc72248
9cd1b016ff9416679f96b8047284684816dc8dc5c61d698f2ff69a3d200477ca
c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
7575a4e559fb7df7dc4781137aa09a0e9bf542b3127b5e34850d5829e59ac58f
e337292eeb5ad0cdb4a6a6fa44620890113977bbc4be85b2f3440395547f6eb0
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/2a3c729e-9959-4544-8e22-3b4dea7ae0c4/
SH256 hash:
c064544a880410f33d8dad943ddc05aec105d4a1c28b2d54adadf1e9b18aa5a0
MD5 hash:
fec1e9ccfe65235c031d77a7f925ec13
SHA1 hash:
900e77a8e80ff8531265a7d0e6970b3a12e7f34b
Link:
https://www.unpac.me/results/2a3c729e-9959-4544-8e22-3b4dea7ae0c4/
SH256 hash:
27453f58117e5c864d35c0bc9b778e5f2fff7365f8c1b0c3bffc0fc6bb88e3b2
MD5 hash:
204142a68dd02277c30de72904443978
SHA1 hash:
498d02a2d1e5f090b260a0d10081e41412e9c29e
Link:
https://www.unpac.me/results/2a3c729e-9959-4544-8e22-3b4dea7ae0c4/
SH256 hash:
c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5
MD5 hash:
7b7d545c1d9254682cc9e6945a00540c
SHA1 hash:
bdd0cccc0793473979ae2f7328a3ebbbdd139bdd
Link:
https://www.unpac.me/results/2a3c729e-9959-4544-8e22-3b4dea7ae0c4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5ae9a42b26b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5

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:pe_imphash
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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.

Web download

Formbook

Executable exe c5ae9a42b26b2a0c9b7ab0e75dc45ebb11c69276345a8e8dcd6367599569fbc5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2685600/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/433054/

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