MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6
SHA3-384 hash: 0de9b9786b340a53594107cbbbcc378043677a346541554bddb81ea4d4c1ab440a3cbc1a8e19275630d7ef3e7ffc02f9
SHA1 hash: ed6685196176b4809da90a7d6c1200ca396365cf
MD5 hash: 989ffa65964d3923c76d6d23088f1171
humanhash: video-cola-enemy-jupiter
File name:989ffa65964d3923c76d6d23088f1171
Download: download sample
Signature Formbook
Create hunting rule
File size:1'004'032 bytes
First seen:2021-08-19 09:16:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:J81gO9Cr3SeLzBT4Dc9F3nC0Py3gAhGxAbq3Jl45qO9eB4cdz9XLojE7c9lc5gOa:JaIzJ7mq/VdRXEwcfq6/n
Threatray 8'341 similar samples on MalwareBazaar
TLSH T1A525173C15B83627D1BAC366EBE18413B2A094AF7161ED59A8DE43A70743B4774C723E
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Advice From CTBC BANK.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-19 07:00:54 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/eda9c700-317d-4b2e-b6ee-699f09933ce1

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/180633/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.998-1.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
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c097f65-e56d-41c7-8862-bac03e2357e3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/835676
Signature
.NET source code contains very large strings
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: 468111 Sample: hPJ1rhvsJg Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 31 www.barssons.com 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 7 other signatures 2->45 11 hPJ1rhvsJg.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\hPJ1rhvsJg.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 hPJ1rhvsJg.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 33 satesrl.net 195.110.124.133, 49727, 80 REGISTER-ASIT Italy 18->33 35 www.dinsaurs.com 156.237.160.62, 49724, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->35 37 5 other IPs or domains 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 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/cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-19 04:37:13 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5955bf6676d1f4d7e9e12f2201674381535d24bd88bd480feda425839841ecaf
Formbook
59ced73cabf35385aaedb67d1b0cd813cc16f5f8e056add78cf50f3abc28351a
Formbook
5e03bf9c09f0749be7a3fca5132570dc61382d1f40d3d39db534e2d5c0d4f8a1
Formbook
66c88e666d6a8c03122b527176a9ee1b5b9e24a2aa5a49563e242be179760228
Formbook
abb1db77386f0eb3cd2c68603ee8817d6d1015287422182845345dad70503564
Formbook
af9ae89a82d33ddf6151753f94554301fc2719b446175865aa919eb64c2fabe1
Formbook
fbe3eac8deb8b145ad8ac555e27cef7d1fad66d2472f2a36a7d944cb11702520
Formbook
+ 8'331 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:hisp loader rat
Link:
https://tria.ge/reports/210819-lbrdljqwws/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.myhindischool.com/hisp/
Unpacked files
SH256 hash:
2a671e6362aa85b93f2d35fd8dd3df4b1b663a20583d79b7ef472095456ab98b
MD5 hash:
e3a48ee143e304f6d12d25e40273ca6e
SHA1 hash:
272824999b97e1fec4c396d326090810f4686ec8
Link:
https://www.unpac.me/results/25fc9163-8d13-4325-b75e-f18565689065/
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/25fc9163-8d13-4325-b75e-f18565689065/
SH256 hash:
76899fc8a98775cd44bad024ece0393f0574ff539e2921f4b52bafad5030476e
MD5 hash:
83486ba7698e0958e84f719b4a8f2d0a
SHA1 hash:
f13b01ac084990a0e0279efb9b5297e1c98267d9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/25fc9163-8d13-4325-b75e-f18565689065/
Parent samples :
5e03bf9c09f0749be7a3fca5132570dc61382d1f40d3d39db534e2d5c0d4f8a1
af9ae89a82d33ddf6151753f94554301fc2719b446175865aa919eb64c2fabe1
cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6
1073eafcf05e8cf0a63d6f207722200da69f4987eb362cf25e4a3293b8f3fadd
f3883b25c2c34ee15f38c81d263146dc94229cfb13f828907f63bf65e017319a
e52f0865b10acfd125fb19472ed8b18047967460ee57a26403e4be70a6bdbea7
SH256 hash:
cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6
MD5 hash:
989ffa65964d3923c76d6d23088f1171
SHA1 hash:
ed6685196176b4809da90a7d6c1200ca396365cf
Link:
https://www.unpac.me/results/25fc9163-8d13-4325-b75e-f18565689065/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6

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
Create hunting rule
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 cff2b230a7ac1b41f748b4ea56bc46657f57665790f0de9813786a8d2fe893b6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1545031/
Cape
Cape
https://www.capesandbox.com/analysis/180633/

Comments


Avatar
zbet commented on 2021-08-19 09:16:35 UTC

url : hxxp://103.155.80.77/Networking/.smss.exe