MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments 1
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SHA256 hash: cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f
SHA3-384 hash: 2815cf5ef682a204949bbf8684c8f17d894d2b1ca1fafdafa11006437f10547c3de086d47434a4235196bd05c8376445
SHA1 hash: f5751eb429b58ea73a188a64134916802c4a2022
MD5 hash: 5951b00de1dbba519c0bbef33494ced3
humanhash: earth-freddie-cat-colorado
File name:5951b00de1dbba519c0bbef33494ced3
Download: download sample
Signature Formbook
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File size:612'352 bytes
First seen:2021-11-11 18:47:22 UTC
Last seen:2021-11-11 22:27:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:P32kLt1bAr15gsLO3LBQAWGExjCH7s3TC5LUYe7o6Xnz61QIb:PbthArEsLOVmjCHwjuUXz
Threatray 11'159 similar samples on MalwareBazaar
TLSH T1C9D40198B584C135E8284FB989268DD85323BE3AEE11F75F39C4B35E2B333C28525657
File icon (PE):PE icon
dhash icon 90ba7181e46588f0 (31 x AgentTesla, 11 x Formbook, 9 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
azza.exe
Verdict:
Malicious activity
Analysis date:
2021-11-12 04:57:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/9a41aa2e-72d2-4a83-a30e-146ced9d69bc

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/205112/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.38803.31239.7463.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618d6564a00afa9663a443cb/reports/dfddba24-25ca-46ed-b8f7-2d9c06bdf54f/overview
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/df3883c4-92d4-4b40-a051-d7c60c24b3f9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/887722
Signature
.NET source code contains potential unpacker
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 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
Self deletion via cmd delete
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 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: 520193 Sample: neJCkkyYku Startdate: 11/11/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 8 other signatures 2->42 10 neJCkkyYku.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\neJCkkyYku.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 neJCkkyYku.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.gesmun2030.com 65.108.60.167, 49824, 80 ALABANZA-BALTUS United States 17->30 32 www.spiderhallresponse.site 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Performs DNS queries to domains with low reputation 17->46 21 raserver.exe 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-11 18:00:00 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ee20ec28c5649c69a2cab43e7f7e99d9f6c839cc5ae5ed2e279281682fe3b53
Formbook
24020c0cae5f243c30eaee1fa84e2bf8899f1acb80a16491b7dce179d1ffe6a4
Formbook
2c74b3cf30c4c89fcd341129917f850be3faf7f7f91646545e7d65106a30dfb0
Formbook
2eec14d00309c58144cc8234ebc9c5c4c9d81a3511f45830e50a3929fe2b158a
Formbook
4bdd5968c006f979c68ba686942695680950574bba495136b26bdd166d537ede
Formbook
5dc5fd5aeb9e4902ab1efa0d1e058b2dfabfd0888be4df553a19c66a0c008de8
Formbook
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
Formbook
e83ce530468ceacafc364791ce8de4cdc2b456cb0df25b93ac4055a99b031702
Formbook
+ 11'149 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ad6n rat spyware stealer trojan
Link:
https://tria.ge/reports/211111-xfsedahafj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.didimthebestkuafor.com/ad6n/
Unpacked files
SH256 hash:
def784268365dae11e6a6b197ec699791763566672fbcec5ee0e6ab084b0ea5d
MD5 hash:
9b08e9c56068008f5893fd4f7b6bf573
SHA1 hash:
8c88a1c68455d6f7be3d275bd9ac8f4fd2a09bde
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a09d6cfd-f10f-49a0-a8da-77ce2ffaa420/
Parent samples :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 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/a09d6cfd-f10f-49a0-a8da-77ce2ffaa420/
SH256 hash:
6e59e7c7367a12c35a67531814b769806e30e4aeb61778fdc2a41cef303eb204
MD5 hash:
9ea0125d7efe880782f5ef8402d33700
SHA1 hash:
8b5b37722e230de9a44a3cb26f3efec48e99a723
Link:
https://www.unpac.me/results/a09d6cfd-f10f-49a0-a8da-77ce2ffaa420/
SH256 hash:
cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f
MD5 hash:
5951b00de1dbba519c0bbef33494ced3
SHA1 hash:
f5751eb429b58ea73a188a64134916802c4a2022
Link:
https://www.unpac.me/results/a09d6cfd-f10f-49a0-a8da-77ce2ffaa420/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cf8ab312ec2e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f

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: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 cf8ab312ec2e263777fd777cdc2f714c18d259241bfeec9dbe6eb4ac62708f7f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1777214/
Cape
Cape
https://www.capesandbox.com/analysis/205112/

Comments


Avatar
zbet commented on 2021-11-11 18:47:24 UTC

url : hxxp://kizitox.ga/obinnazx.exe