MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d27c9f76ad56d0acf75219b5074f9d5cb43cd9b394904963352d55adb970368. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d27c9f76ad56d0acf75219b5074f9d5cb43cd9b394904963352d55adb970368
SHA3-384 hash: d1e1cd4f9223a16ecb5912904b84196307eae1f7d8585e9617ae883fb7aed19050701508e1faf817629d389829a41667
SHA1 hash: 566912706aec9f45624a3e552f5d5de50e64c48e
MD5 hash: f1dfb59d9fd556fc79cc42bd7d384ae3
humanhash: mirror-arizona-eighteen-sixteen
File name:4d27c9f76ad56d0acf75219b5074f9d5cb43cd9b394904963352d55adb970368
Download: download sample
Signature Formbook
Create hunting rule
File size:406'016 bytes
First seen:2020-11-12 14:28:34 UTC
Last seen:2024-07-24 14:04:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5b6fd9945877b7e9d67b9e475c6d6ddf (16 x AgentTesla, 15 x AsyncRAT, 10 x Formbook)
ssdeep 6144:hJ3j3lTjIckACbaNmJHv0oNKVAOm/te0m53mifb2vWm1vWyXRisuckGiz57eX1lv:Xz3lfXkiNmqnwKmDAyXRikrE141lkr0n
Threatray 2'909 similar samples on MalwareBazaar
TLSH DD84E01870E2C433D0B9103819D4977794B479321BA5A8BFF7984B2E9F387D29772A27
Reporter seifreed
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Generic-9791231-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Launching a process
Setting browser functions hooks
Possible injection to a system process
Forced shutdown of a system process
Unauthorized injection to a system process
Deleting of the original file
Unauthorized injection to a browser 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/533950
Signature
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
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 316079 Sample: 0Ia3EzPqrx Startdate: 13/11/2020 Architecture: WINDOWS Score: 100 34 www.getknowndigital.com 2->34 36 getknowndigital.com 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 0Ia3EzPqrx.exe 1 2->11         started        signatures3 process4 signatures5 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 0Ia3EzPqrx.exe 11->14         started        17 conhost.exe 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 14->19 injected process8 dnsIp9 38 www.aretehice.com 74.208.236.235, 49751, 80 ONEANDONE-ASBrauerstrasse48DE United States 19->38 40 www.airblindsystem.com 80.237.130.101, 49755, 80 GODADDYDE Germany 19->40 42 www.mediaconnectpartners.info 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 23 explorer.exe 19->23         started        26 cmmon32.exe 19->26         started        28 autoconv.exe 19->28         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 30 cmd.exe 1 23->30         started        process13 process14 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d27c9f76ad56d0acf75219b5074f9d5cb43cd9b394904963352d55adb970368/
Threat name:
Win32.Trojan.Midie
Create hunting rule
Status:
Malicious
First seen:
2020-11-12 14:31:17 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jut4t53k2vwqvt3vegnva5hz2xfuhtm3hfeqjfrtklkvvw4xanua._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
5248643a130c832416245ea6b33ab3724a81c4e4a36b2ea424dd1a5fc1dd7ac2
Formbook
5abc963a4cbaaee6582d5db264da8b2cb0c5a760115047a8df1e629c48dfc6e9
Formbook
70581c97768f831cf9a0e6e084f44331ffb3d17ed78136dcd6b42e0490b814bf
Formbook
765c1e7486aedffd7021ae5f15c86e549c7b796a5025249781f9c8a6327f4037
Formbook
9fa2ffcaaf492a5d9e68b376580871cce9d495d32934d90fe7e431b09de2c6d9
Formbook
ab2d651176cc27c6b41e7d6bdb060c328d66e68c4fb8df1b2c0a217187b2c15d
Formbook
af61853ca27001c0721463fce68bb033a9084e9fcd0c6ced3acd7fc3ea0e957a
Formbook
b7d55f5145ac91a9b2e9d1b98f65bf6844248ebd6612be241e2fe5755dcf0733
Formbook
d085d4d4370b02036dfe9de7c9061d88a8a5cd12cbced6dbdca9ba217112375c
Formbook
d99b374a5972bbdeb57de9c8a41cc6b8c3f8928916151a40257967baa855917b
Formbook
+ 2'899 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201112-hr5ty2yk9n/
Unpacked files
SH256 hash:
4d27c9f76ad56d0acf75219b5074f9d5cb43cd9b394904963352d55adb970368
MD5 hash:
f1dfb59d9fd556fc79cc42bd7d384ae3
SHA1 hash:
566912706aec9f45624a3e552f5d5de50e64c48e
Link:
https://www.unpac.me/results/e98fcbe8-9cc9-4f64-95d2-0370450925bb/
SH256 hash:
8b9a299a0158132a4c4950d79c941b8e858e29c87560534849e1471b35b6efae
MD5 hash:
0a3e51d1b85e410dbaec7972840b67a8
SHA1 hash:
85a518706e5df5292f78abc50025b21739946534
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e98fcbe8-9cc9-4f64-95d2-0370450925bb/
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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

  
Delivery method
Other

Comments