MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004
SHA3-384 hash: 92755f5064bc849e169bab1168b13d1a99d612ee67db003ff40f1c9322fbb88b1b32b84dd73312ba1fac8dcd3fe4017e
SHA1 hash: f4dd206ff298a0018c610705fabb360889a2e966
MD5 hash: b75bef12ec67c6f29cf37d93bffca3c1
humanhash: eight-nitrogen-floor-thirteen
File name:4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004
Download: download sample
Signature Formbook
Create hunting rule
File size:376'832 bytes
First seen:2020-11-10 11:20:15 UTC
Last seen:2024-07-24 14:02:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a5e1a2af8378e5bceb022f36c99ccc5a (12 x Formbook, 12 x AgentTesla)
ssdeep 6144:K4J+hVjnXBbMlcAB43iQc1JigSo9G6O5FqUEuUhj2Wf+QFW8tC0:BJQjnJMGBgSo2iUnUh61QgqC0
TLSH C684DF3974D3C4B3C52202395C94D6A9C93EBC740BE6989BFB443B6CAD711F28665A33
Reporter seifreed
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Connection attempt
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/529651
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 313923 Sample: JwekqCZAwt Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 32 www.sparkasse-suedpfalz.net 2->32 34 www.talayer.com 2->34 36 rp04p-redirect.internet-filiale.net 2->36 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 3 other signatures 2->50 11 JwekqCZAwt.exe 1 2->11         started        signatures3 process4 signatures5 60 Maps a DLL or memory area into another process 11->60 62 Tries to detect virtualization through RDTSC time measurements 11->62 14 JwekqCZAwt.exe 11->14         started        17 conhost.exe 11->17         started        19 cmd.exe 1 11->19         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 21 explorer.exe 14->21 injected process8 dnsIp9 38 www.denizlidekep.com 156.252.92.251, 49735, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 21->38 40 cooslickgin.com 34.102.136.180, 49728, 49729, 49730 GOOGLEUS United States 21->40 42 12 other IPs or domains 21->42 52 System process connects to network (likely due to code injection or exploit) 21->52 25 ipconfig.exe 21->25         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 25->54 56 Maps a DLL or memory area into another process 25->56 58 Tries to detect virtualization through RDTSC time measurements 25->58 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 11:23:30 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsyktsw7uv6kfapy2pvekcc7z7qgqlzl7rwbqtizfic5tazgsaca._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201110-vndzyaq1qa/
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004
MD5 hash:
b75bef12ec67c6f29cf37d93bffca3c1
SHA1 hash:
f4dd206ff298a0018c610705fabb360889a2e966
Link:
https://www.unpac.me/results/a7e87cd6-4898-47a9-ab8d-d3c27afe9ec5/
SH256 hash:
f3aa2006efd64018a589f08995d7cb54623102d6226fc355c92e395ab800c3e4
MD5 hash:
9a951d94e987acdf77502435cf0d2ae3
SHA1 hash:
ad597efd5e58684c0554a26ae3f44b2d448a179c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a7e87cd6-4898-47a9-ab8d-d3c27afe9ec5/
Parent samples :
e4badaf86c0f22c6b31c97f661ba5af3f757697e7493c2e750a813173dec2273
92625b5d11e691107b8aa2e733c1be9fe3677b5a86f03e08f239bf6e0d450885
a81417bec9f1772e798040075b9211127cefd65831a1bf582f0f72ce2891cae1
339505a9dc4fdae3e5a44a6d33230c75d181a8674bead358b8c9012156f4672d
9068a4f87026bf855c28696f3a82fb1fbb6139782ff7de81321a190cac8699d8
fd09ea46df289ee19611d096f5281c1e15ee2bc2c54388dd35adfa17837eb038
8b50a9610f9fe8bce3874969c39932235dc3129a3ed7057a40241b44cbdfa0c5
1ce0c7f388fb8db723745beb75cfd8e16e6b08ed35268c405bc203813123d284
c0f902eb625b7628d517c0fc1529dd4fe5954889f81bafb5b6e35c39205c84eb
97bfeff0f03f6d6cc84cccb087f2fef805c6d8c55693a19d43b8ae74702a32ef
79048d55f5a4e532509d456b4715b0594d85a28233f94e3f8089cc65d3c3433a
89b648edb009f749c51c6ca2cfc0b2d2f9028250fa1a8f4426c257b613bc5b3d
4cb0a9cadfa57ca281f8d3ea45085fcfe0682f2bfc6c184d192a05d983269004
75c60107da2c67db916e08dfb16787952af14793798bb19e7549f9b0594a27db
b2260553dae0af6a870e780fcaa1330376b9373e85a27c69c17071bfd09ddb88
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

  
Delivery method
Other

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