MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a185ff11eeb89503c854f293b38c238e02022a357446017524bde45f085570. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 83a185ff11eeb89503c854f293b38c238e02022a357446017524bde45f085570
SHA3-384 hash: 649bd9623f4503ad99ff4bb44905aeff4115584e41d393dff03aef1f33865307debb0757d35920324d0cbb01a50466d2
SHA1 hash: 98f73ba80f3af54756347a3f926b0bc5dcff1f5a
MD5 hash: 84883dbbf21ef235c4a5a86461c5e676
humanhash: mike-twelve-ohio-lion
File name:84883dbbf21ef235c4a5a86461c5e676.exe
Download: download sample
Signature Formbook
File size:697'344 bytes
First seen:2022-02-02 09:09:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:d02wR/Vm11A/HQeVsLry14QKlbZ8x2lsXlRi1Zh8B4iVO7J4tGG:6mRUQV8ti1ZhwVOV0GG
Threatray 13'053 similar samples on MalwareBazaar
TLSH T148E4BF20B696C942F40B8F355468B56042B2B4D3A9C7DE376F683646CFDEB882E4534F
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 565397 Sample: 6hyWrD20Ho.exe Startdate: 03/02/2022 Architecture: WINDOWS Score: 100 31 www.jelofly.com 2->31 33 overdue.aliyun.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 11 6hyWrD20Ho.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\6hyWrD20Ho.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 6hyWrD20Ho.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.playthemove.info 18->35 37 playthemove.info 34.102.136.180, 49813, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-02 09:10:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Gathering data
Unpacked files
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
3c17ecd1f5d5992b0df03c8122208dce98bea537fa92c94f6a13f64e5c1c2f1a
MD5 hash:
fe934be2d61134f2efe836413ef83d2f
SHA1 hash:
0f2ac21eeddcb57112b78d2b718487d93de56024
SH256 hash:
83a185ff11eeb89503c854f293b38c238e02022a357446017524bde45f085570
MD5 hash:
84883dbbf21ef235c4a5a86461c5e676
SHA1 hash:
98f73ba80f3af54756347a3f926b0bc5dcff1f5a
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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 83a185ff11eeb89503c854f293b38c238e02022a357446017524bde45f085570

(this sample)

  
Delivery method
Distributed via web download

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