MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a
SHA3-384 hash: bf5721d48a97f29417fc3233a4b4dcffae505115a452f05e452152213d2b5a81f09447891d7308732db7486c4e7836e4
SHA1 hash: c02471a24902a11779cef4cec8b0bd9d7de813dc
MD5 hash: c210b2139d4b19d8f5f737f45e893289
humanhash: cat-thirteen-hamper-bluebird
File name:Solicitud de presupuesto.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:474'624 bytes
First seen:2021-01-14 20:02:18 UTC
Last seen:2021-01-14 21:35:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b096766148db2d224475f34d2e851f1e (1 x Formbook)
ssdeep 6144:a9iJQqkXT/DHQ1AOsOpj0doNFP8RVf0S+ZmlYfrTDHOgtBxzA9kv:aIJQqkDbHQ1eWNFPKsZmyjfugzpAyv
Threatray 3'422 similar samples on MalwareBazaar
TLSH 2BA49E03A96C84B2EF38A33E40444DD695F41C6C02D8B16A57B8BD3DCA7C5625D2FE6E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

From: SITECH Srl Bolivia<manager@sitech.bo>
Subject: Request For Prices Of Materials
Attachment: Solicitud de presupuesto.iso (contains "Solicitud de presupuesto.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Solicitud de presupuesto.exe
Verdict:
Malicious activity
Analysis date:
2021-01-14 21:10:59 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/dc861cc7-eb7a-4bac-b4c8-30202e8dbb89

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/112067/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.25486.7294.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/581945
Signature
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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340010 Sample: Solicitud de presupuesto.exe Startdate: 14/01/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 2 other signatures 2->41 10 Solicitud de presupuesto.exe 1 2->10         started        process3 signatures4 51 Maps a DLL or memory area into another process 10->51 13 Solicitud de presupuesto.exe 10->13         started        16 conhost.exe 10->16         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 18 explorer.exe 13->18 injected process7 dnsIp8 29 allinoncrypto.site 192.185.34.202, 49753, 80 UNIFIEDLAYER-AS-1US United States 18->29 31 www.newyorkcityhemorrhoidclinic.com 74.220.199.6, 49740, 49764, 80 UNIFIEDLAYER-AS-1US United States 18->31 33 23 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 help.exe 18->22         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxf3w46av7sso5yzb6xkpm6ayw7ysqd2edi6er4e46x6p4ldxina._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
147690957c45aafb5929325a902f5c45e9b3a9845f0c9b273bd1e08f5e327d12
Formbook
196b4470cd98c4f6d5c634170a1c6a98cf59b61c9b12a032ec9fb776b74a0527
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Formbook
63ddf9a4a4f69468eef45c633df0066f39b025e7a0a0c8d8dc7e50982ed93b39
Formbook
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Formbook
b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086
Formbook
b9e89d7766f894c102cd449dace5e9c1ef8f3cdca070af5f6ce22a7737eb593a
Formbook
bcba31709cecf79a6996bda8b48a9e891db6de827c852404634a96d248560ba3
Formbook
cdfc1600f7f5656fb2b72fd10da44b8f7e12f4c40027a4338251e5d7e9f0e743
Formbook
+ 3'412 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Link:
https://tria.ge/reports/210114-ed6y8patjn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Gathers network information
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.smallcoloradoweddings.com/kio8/
Unpacked files
SH256 hash:
8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a
MD5 hash:
c210b2139d4b19d8f5f737f45e893289
SHA1 hash:
c02471a24902a11779cef4cec8b0bd9d7de813dc
Link:
https://www.unpac.me/results/842ff98f-b880-4f97-aace-f3f4c84ff505/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a

File information

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

Malspam

Formbook

iso f00751e7161ec82e8040b85ec2a884598e621984fd1aa541b504c0b732ce5008

Formbook

Executable exe 8dcbbb73c0afe52777190faea7b3c0c5bf89407a20d1e24784e7afe7f163ba1a

(this sample)

  
Dropped by
MD5 1021e1aab271c0e926bfbefc457cd676
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f00751e7161ec82e8040b85ec2a884598e621984fd1aa541b504c0b732ce5008
Cape
Cape
https://www.capesandbox.com/analysis/112067/

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