MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8
SHA3-384 hash: 80e2fd3a030093dbb0c9ea323daaa3e13d1de819b426fd0fcf38e67745e231dba3a255d95aceb47408c3ec213a509951
SHA1 hash: 1df681f21e1c45fb6151ba738f319c5ba9af462a
MD5 hash: 01f4a431c9623ad9bd89c62d508d2535
humanhash: snake-lion-snake-arkansas
File name:01f4a431c9623ad9bd89c62d508d2535.exe
Download: download sample
Signature Formbook
File size:1'128'960 bytes
First seen:2021-12-17 16:07:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:UKc2qPIYmmIUUUUUUUi1B+z/z+3g/IiNbvjnSnrjOJoF1tYYMa1LSm98zbuSK3FQ:bVqPIqEEC3+N7jSrFYYMatSK3q1
Threatray 12'323 similar samples on MalwareBazaar
TLSH T16635078525AD3B25FD7893F800AA6C94C7BA7D6A717EC68D4CC330D72973F924850A1B
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 541672 Sample: JHs2iQTeNw.exe Startdate: 17/12/2021 Architecture: WINDOWS Score: 100 33 www.luxecr.com 2->33 35 traff-4.hugedomains.com 2->35 37 hdr-nlb8-39c51fa8696874ee.elb.us-east-1.amazonaws.com 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 11 JHs2iQTeNw.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\JHs2iQTeNw.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 15 JHs2iQTeNw.exe 11->15         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 Queues an APC in another process (thread injection) 15->75 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.hopsnbarrel.com 18->39 41 hopsnbarrel.com 34.102.136.180, 49816, 80 GOOGLEUS United States 18->41 43 192.168.2.1 unknown unknown 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Uses netstat to query active network connections and open ports 18->55 22 NETSTAT.EXE 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-17 03:16:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
72
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m2i8 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
6248a9aeb898d9840746cc38ef063ab527a45d0a472c81d4cab3b4b32b181569
MD5 hash:
21d807943323c3a74111ad142549a664
SHA1 hash:
ca9b794bfed65df645e3b66be11e75d16c4804aa
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8
MD5 hash:
01f4a431c9623ad9bd89c62d508d2535
SHA1 hash:
1df681f21e1c45fb6151ba738f319c5ba9af462a
Malware family:
FormBook
Verdict:
Malicious
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: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 43d225f01bf64527f716a45d052721613242eace99774e3ff5567839540047f8

(this sample)

  
Delivery method
Distributed via web download

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