MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919
SHA3-384 hash: 45815725a702c7d42c6a785c2980c0d899ad01982784e3a6c01399c2e9304ca49c787689201386810282f04f4dabb718
SHA1 hash: 99232f19a66079a5b6b3a7dfd4150928d97aa018
MD5 hash: a84aad2cbe9b58a2f49a0aa913cfe2c1
humanhash: mobile-five-enemy-mango
File name:a84aad2cbe9b58a2f49a0aa913cfe2c1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'006'592 bytes
First seen:2021-03-25 18:31:31 UTC
Last seen:2021-03-25 18:44:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9a3I956HHbVVxnFd2jbQVfrrTnas3bBTox:X56HJbnFBfrrGEV
Threatray 4'455 similar samples on MalwareBazaar
TLSH B8259F9120E8CD90D461ADBCCD5BDFF237168DA38780D7E636BCE4762573B9AD10242A
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
mar2403.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-25 17:04:06 UTC
Tags:
encrypted trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/87010b1f-7b5e-47b9-a925-c7b1dd6a80fe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.604.25967.29593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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/c6713c86-92ac-4814-87c6-d5f9d99ccb7c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/654385
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
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 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 dnsIp2 2 Behavior Graph ID: 376129 Sample: 1LHKlbcoW3.exe Startdate: 25/03/2021 Architecture: WINDOWS Score: 100 31 www.tpcgzwlpyggm.mobi 2->31 33 www.brunoecatarina.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 1LHKlbcoW3.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\1LHKlbcoW3.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 1LHKlbcoW3.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 biztekno.com 151.106.118.75, 49740, 80 PLUSSERVER-ASN1DE Germany 18->35 37 adultpeace.com 163.44.239.73, 49739, 80 INTERQGMOInternetIncJP Japan 18->37 39 16 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 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       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-25 16:34:16 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r6zkrgpgmivc3xdzrejbc5f6uk3xk3z7k33e6qw4n34hlum45emq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
12e42bff4fa377032623342ac1f23a5c87225a40ef8b900cbb06ae4bd203864d
Formbook
3d3095586bf72d6b631e44681654c68707a6f07987b02e367e7d88ac9ddab77c
Formbook
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Formbook
5cbafb76c6a0e930414647523ffb4abe9d9ab7f41270ddf4c4ef5d9fd1f39346
Formbook
7e88f1c425154e6fff6d031aaaa4d8bb4c8ff131e429f44310fd936bfc08b357
Formbook
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Formbook
978a48a2dabf47b1f89f176583063b5b52f68ef81dc48e6f4acf38a16ef3680f
Formbook
c8aaa220adc918c9972a9c588db765290bf51553bed7da48c604d188136d3073
Formbook
fa768e26f300f2c19ef11635dd836b031e0b5352d86d40cdc24284bf874230e7
Formbook
+ 4'445 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210325-pxtw1naea6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.adultpeace.com/p2io/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/b6c806d2-3701-4b80-ab9c-8ee1acecf33e/
SH256 hash:
8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919
MD5 hash:
a84aad2cbe9b58a2f49a0aa913cfe2c1
SHA1 hash:
99232f19a66079a5b6b3a7dfd4150928d97aa018
Link:
https://www.unpac.me/results/b6c806d2-3701-4b80-ab9c-8ee1acecf33e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919

File information

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

Web download

Formbook

Executable exe 8fb2a899e6622a2ddc7989121174bea2b7756f3f56f64f42dc6ef875d19ce919

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1091065/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1087809/

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