MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e
SHA3-384 hash: e9da2b4362175070d301afd08ca9d64b3f1985e63c78567a1e2e299d6b86bfa5473a65280bf7337ee30c07e7b84e2960
SHA1 hash: 96c3810223482ed17cff242e5fef92b5e8277152
MD5 hash: cb198e943e5c25204869a0e0d2a0d964
humanhash: zulu-mike-timing-pip
File name:cb198e943e5c25204869a0e0d2a0d964
Download: download sample
Signature Formbook
Create hunting rule
File size:2'136'576 bytes
First seen:2021-10-04 09:56:34 UTC
Last seen:2021-10-04 11:14:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:vo9iLCQbWxKSYcSIsu4kUpcZcAGSOAYpwcG9e9O1eR:vbbQNCID4kUS6sOJVWCOY
Threatray 9'828 similar samples on MalwareBazaar
TLSH T1B5A5E61123ED2608E07E6EB95A75509947F1FF277AB3C6CE010C675E5962B02CE63B32
Reporter zbetcheckin
Tags:32 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:
original BL-332.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-04 09:27:14 UTC
Tags:
encrypted opendir trojan exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/3a71338a-fd5e-4c43-a6bc-6b7375352a73

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/194524/
Detection(s):
SecuriteInfo.com.Malware-Cryptor.MSIL.AgentTesla.Heur.4453.271.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/615c0f3298a6280f39324d15/reports/727ff386-f7c0-4434-a982-feadcc18a52e/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e82f7a05-524d-492f-a306-46b6364e2e07
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863787
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 496216 Sample: LAFCAgptcP Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 LAFCAgptcP.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\LAFCAgptcP.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 LAFCAgptcP.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 los40delocta.com 160.153.73.229, 49841, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->30 32 www.utang.net 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e/
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2b1a98add215568bb5e1c333321cf0ffe98d9128fa149c4f5a07ce2922750b3e
Formbook
2f086810181af89d5d29a30f5eafcc60efdd2dd3f68292dd3acff64fc92a547a
Formbook
3c75184f86f6231ed38be583a300e5af220f5d68654ea1fd56c833f333d0a589
Formbook
434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3
Formbook
584b5b4a74cb945f3be3ff0a4017d8ce2b073d6a98bfceb7bc59cb0f3fe7c3ee
Formbook
d80d29653891c1d84ba6b72e1eaafefd78700646859bcaa7ded2fc1e2fbafce4
Formbook
e596ac1dd5978ef67f061190fc9fb647a4497429c63ea621eb2dc3fe024af7aa
Formbook
ef36fa059ef0b120143e87b78864c2d6774c399df68850311d44cf1f0facb81c
Formbook
+ 9'818 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:cmsr rat spyware stealer trojan
Link:
https://tria.ge/reports/211004-lyxk9sgah6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
46b8b5336e6b7373e28836937bc188424f733d410f471e8f49e09ec5a5b56c1a
MD5 hash:
89ea9c57e842318ea9e5fc8979df5b41
SHA1 hash:
247f848f7ac4427ae80aac976b17b08716533856
Link:
https://www.unpac.me/results/aacef179-4e68-41b0-a4ef-53af3085b96c/
SH256 hash:
f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e
MD5 hash:
cb198e943e5c25204869a0e0d2a0d964
SHA1 hash:
96c3810223482ed17cff242e5fef92b5e8277152
Link:
https://www.unpac.me/results/aacef179-4e68-41b0-a4ef-53af3085b96c/
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/f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e

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: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 f85b0ebf72b1230d8582028ef03f438d04996f2d227f5d3f3af40694a56a724e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1653855/
Cape
Cape
https://www.capesandbox.com/analysis/194524/

Comments


Avatar
zbet commented on 2021-10-04 09:56:34 UTC

url : hxxp://180.214.239.85/regisstry/rundll32.exe