MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: 8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7
SHA3-384 hash: 9620b3640fc1a6167f7e1a76b90e13d24b36bb3132ba49e74cd996cd998460bf0b6f2ecf592d2c6fa53d0f44533279a0
SHA1 hash: e4952f3e5cb0c877c682678dbee181a8c737df28
MD5 hash: 0690de55a2a4081dd2ebc1f658bba4da
humanhash: hydrogen-butter-don-river
File name:akon.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:774'656 bytes
First seen:2021-05-07 04:44:51 UTC
Last seen:2021-05-07 05:01:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zhMEtD2n/eLfBT09UJM41Af1ffAQ8Tk+CvIqCIDexEvPVuf9eQUzeBUa3w9EswhA:zhU6yKJM41AfVd8RCwqvD/lu8QVBp3UR
Threatray 5'027 similar samples on MalwareBazaar
TLSH A8F423C325A82570D779DB351436418C83B5B017930ECE2C7E6D0AED5EEB2629B227DB
Reporter starsSk87264403
Tags:backdoor FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/152383/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/715640
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 406753 Sample: akon.exe Startdate: 07/05/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 5 other signatures 2->44 9 akon.exe 3 2->9         started        process3 file4 30 C:\Users\user\AppData\Local\...\akon.exe.log, ASCII 9->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 9->56 13 akon.exe 9->13         started        16 akon.exe 9->16         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 18 wlanext.exe 13->18         started        21 explorer.exe 13->21 injected process8 dnsIp9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Tries to detect virtualization through RDTSC time measurements 18->50 24 cmd.exe 1 18->24         started        32 theprettyclicks.com 162.241.252.164, 49767, 80 UNIFIEDLAYER-AS-1US United States 21->32 34 www.merifalls.com 212.32.237.91, 49768, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 21->34 36 2 other IPs or domains 21->36 52 System process connects to network (likely due to code injection or exploit) 21->52 54 Performs DNS queries to domains with low reputation 21->54 26 autoconv.exe 21->26         started        signatures10 process11 process12 28 conhost.exe 24->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-06 06:34:00 UTC
AV detection:
23 of 47 (48.94%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0013853950647289e952326b93ce46aa3e73db654367ef3c005e29257db31fba
Formbook
024c67bdc81850f0d4acf648be1016358c78e21a74dbde96b0d753cffd76ffa7
Formbook
0c856e57da034a8943b4065297d075365090d9eb925abb7ba74dd3df9acefc1f
Formbook
1c65b99765a161415ec44f5a6071e5c28e2a2b641e99061af07c9d34413ad5e8
Formbook
6120294360629da33cd6f897de16401325be12ae2cd9dcc03857de7e0b4f94e4
Formbook
6f4fbab85c58d588450bc856ceff3894645e0033b4c4d2684184a8430c01daa4
Formbook
93fae9b54c0f1960139aa4007a0b8f695d61cdc5219fbfbe885c850a4f43a92d
Formbook
cfee90218720f31491495dd353027017808fb3b9524d6c86ddfd016a372f627c
Formbook
ee1e6c57be9de3dde5f374dd49232f23b3667b52fdf770649bbd27a1abceaa16
Formbook
f5b24f949895b74aa3b6bbb47e215f55f1846bf82bf462db83eff295e72fb5f7
Formbook
+ 5'017 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210507-cqsrl8b7xe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.merifalls.com/4kx/
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/2106e374-8210-49de-b565-c6a811fc375b/
SH256 hash:
8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7
MD5 hash:
0690de55a2a4081dd2ebc1f658bba4da
SHA1 hash:
e4952f3e5cb0c877c682678dbee181a8c737df28
Link:
https://www.unpac.me/results/2106e374-8210-49de-b565-c6a811fc375b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7

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
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.

Web download

Formbook

Executable exe 8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/152383/
  
URLhaus
https://urlhaus.abuse.ch/url/1201081/
  
Delivery method
Distributed via web download

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