MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a
SHA3-384 hash: a89e9847dd2fc63eed7ee0ba4fa8d5c0401957324867676a41207820f8607a6138ca4c2dd32fe2a4ac33a112ea8478fe
SHA1 hash: f8e7c27caf3fb9ca7fe7cce9ec78361e68262032
MD5 hash: 1080df70036f116257739e4bc221f353
humanhash: black-eighteen-arizona-uranus
File name:1080df70036f116257739e4bc221f353.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:906'240 bytes
First seen:2021-07-08 15:16:11 UTC
Last seen:Never
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:b7kWtQx1yzNWsGItABatXnqBubRXNnWE9I/OwRAEX/0CE9rCU8Sg1gFxobFHp8F8:5QBu8S+7l4iBDyMROLJ0I6Nh
TLSH T1C115E6BD313176DEDCABC22A8B741C6CAF947177830B62279027259D998CA87DF144B3
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Petrogel SOA - Jul21.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-08 14:35:30 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/a7616a4c-deb8-4659-bfeb-9a2a9e81dc78

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/170487/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.908-1.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b3b7608-00fa-48ad-9453-94aed1fad09f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813600
Signature
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)
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 dnsIp2 2 Behavior Graph ID: 446012 Sample: TdRlUtrbeS.exe Startdate: 08/07/2021 Architecture: WINDOWS Score: 100 31 www.hostz.site 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 4 other signatures 2->45 11 TdRlUtrbeS.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\TdRlUtrbeS.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 TdRlUtrbeS.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.zaaaang.com 154.207.35.108, 49767, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->33 35 www.aryaramnani.com 45.41.85.181, 49762, 80 HENGTONG-IDC-LLCUS United States 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 11:17:32 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kmc3ohhuzwtxlxhqeeysopdmo5h7e6ceqykx4zdklnuhljhhvuva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210708-aae8fpm4k6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.cryptonecronomicon.com/c24q/
Unpacked files
SH256 hash:
4cf5d958132621c60a45f46fe90c7f491436efe8b92fef437af6f9157eeec451
MD5 hash:
b5c42600a48487cbff934aff46f47778
SHA1 hash:
7c7f4ed68c1ca55bf1f6f268230204671997d60a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/70054025-eba5-4f72-9ec1-b863530e6f1b/
Parent samples :
2494c4777a655ce4fe748567a8f0b77e86bddda01f6965d6a3e4012241ba3582
5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a
SH256 hash:
bf4603ce241baf72e9544913637aed4709fa896b6681074664630b8395356942
MD5 hash:
21e00a8a291c9ec6a7e9e252cecd2968
SHA1 hash:
f7c1e4f8e3b94df1fcc0a741dd431049ef5377c8
Link:
https://www.unpac.me/results/70054025-eba5-4f72-9ec1-b863530e6f1b/
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
Link:
https://www.unpac.me/results/70054025-eba5-4f72-9ec1-b863530e6f1b/
SH256 hash:
5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a
MD5 hash:
1080df70036f116257739e4bc221f353
SHA1 hash:
f8e7c27caf3fb9ca7fe7cce9ec78361e68262032
Link:
https://www.unpac.me/results/70054025-eba5-4f72-9ec1-b863530e6f1b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 5305b71cf4cda775dcf02131273c6c774ff2784486157e646a5b6875a4e7ad2a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1431205/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/170487/

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