MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c940837494435b53d54b6b4349031a14bf5db905a22b7601e34deb851b109715. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c940837494435b53d54b6b4349031a14bf5db905a22b7601e34deb851b109715
SHA3-384 hash: b731e678ca3be775c4813726561508e42c5aa0313b21c1731d9611793fb970673473cdf9f6cb51f8f1fe684c11779027
SHA1 hash: 20fb8d99b1da85cce1a1f24f9d6055c981578197
MD5 hash: 2ebf35cd8c5a7b7f0a590b1599e35e16
humanhash: october-west-nuts-floor
File name:request for quotation and samples Nos 0708090504 0692168035 0567034016 0607089403 0506079436.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:608'256 bytes
First seen:2020-08-13 11:40:59 UTC
Last seen:2020-08-13 13:22:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:OJw1dzqjYNs4c03+l03++LweNxLfEYRrhyaVe1gPU84ToOTQSgdrh+:pdzqjYNs4c03+l03++LLNxjlRwg8lEdg
Threatray 2'226 similar samples on MalwareBazaar
TLSH C3D4BF5423A50673E53A7E348A322A1407777CA76E3EC38E5F8D76CF98217AC4610767
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: itrad3r.com
Sending IP: 78.47.220.153
From: Inquiry | Mkinn Trading <inquiry@mkinn.com>
Reply-To: info.chematek@gmail.com
Subject: ORDER
Attachment: request for quotation and samples Nos 0708090504 0692168035 0567034016 0607089403 0506079436.gz (contains "request for quotation and samples Nos 0708090504 0692168035 0567034016 0607089403 0506079436.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45153/
Detection(s):
SecuriteInfo.com.Variant.Bulz.47874.14917.4507.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/426077
Signature
Binary contains a suspicious time stamp
Initial sample is a PE file and has a suspicious name
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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 265682 Sample: request for quotation and s... Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 24 www.trouwfabriek.com 2->24 26 www.microgreensprout.com 2->26 28 2 other IPs or domains 2->28 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Yara detected AntiVM_3 2->42 44 6 other signatures 2->44 9 request for quotation and samples Nos 0708090504 0692168035 0567034016 0607089403 0506079436.exe 3 2->9         started        signatures3 process4 file5 22 request for quotat... 0506079436.exe.log, ASCII 9->22 dropped 12 request for quotation and samples Nos 0708090504 0692168035 0567034016 0607089403 0506079436.exe 9->12         started        process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 12->15 injected process8 dnsIp9 30 www.bridgecounsel.com 64.98.145.30, 49734, 49735, 80 TUCOWS-3CA Canada 15->30 32 www.immobilier-1800.com 87.98.150.35, 49736, 49737, 80 OVHFR France 15->32 34 14 other IPs or domains 15->34 36 System process connects to network (likely due to code injection or exploit) 15->36 19 mstsc.exe 12 15->19         started        signatures10 process11 signatures12 46 Tries to steal Mail credentials (via file access) 19->46 48 Tries to harvest and steal browser information (history, passwords, etc) 19->48 50 Modifies the context of a thread in another process (thread injection) 19->50 52 2 other signatures 19->52
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c940837494435b53d54b6b4349031a14bf5db905a22b7601e34deb851b109715/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 11:42:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfaig5euinnvhvklnnbusay2cs7v3oifuivxmapdjxvykgyqs4kq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
trickbot
Create hunting rule
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1b114b7614a73e7b1b75355a4904a7314a91c39ec385a246a67624dfc11b7b8e
Formbook
353bbb86f2947091a4cd8c6e556570654b68b344cd73a3f22409c4b60106ab9c
Formbook
3d7664dcebcb7d20b25a6890a6697a2a293239ea13f00695722d1dce023c8cb6
Formbook
4e343d50670d902ec99b2a4079f088249c3b6101d9754f763a77566af82e6f59
Formbook
62afb1cbcacb77aa2ca99cc55c0e3536738415289f53c4a3a57d9b9cc08ee5ab
Formbook
878d3d77023a927c7dc6aaab23b90cd1203bcd1bacdeedf997692a4c60d24129
Formbook
9d9739b817d35a815e89c74d8e04d1571e5591de09ca6e8d7a634b140db45605
Formbook
b32579e01c28fc0a157f14ce8c679d02fcd1f5c03f8eef56ba6a77a627786d84
Formbook
d9ba192982200a73ca54ce3c9f10c43a185e0d99864eee685bc7ba70c311110a
Formbook
e86665f5f4cb843757815bce9f8311678c1bc32cdc6537ccc3aedc4502dca4a8
Formbook
+ 2'216 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200813-y9yj81ka3a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mage-cart.info/iwnn/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/c940837494435b53d54b6b4349031a14bf5db905a22b7601e34deb851b109715

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:RSharedStrings
Create hunting rule
Author:Katie Kleemola
Description:identifiers for remote and gmremote

File information

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

Malspam

Formbook

zip c3b5dbd271b8f701857d730998df493fb0e9aaa622b6fe89b9c85a0d3adab187

Formbook

Executable exe c940837494435b53d54b6b4349031a14bf5db905a22b7601e34deb851b109715

(this sample)

  
Dropped by
MD5 a1ef01a276d390ae1aba8d07c1413f54
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45153/
  
Dropped by
SHA256 c3b5dbd271b8f701857d730998df493fb0e9aaa622b6fe89b9c85a0d3adab187

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