MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e
SHA3-384 hash: 3f76ecbd2bf73b6bf17ae62571d65ec7374aa36b13db37012a6ca6d183910bcc9e8f311369b8fbf4b4af4f8aa43ee897
SHA1 hash: cb1e79b68a90f9ed2f89148b008e143377d1bc46
MD5 hash: 719b3f1cae125c176baf80b115c5d242
humanhash: spring-georgia-black-yankee
File name:BL836477488575.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:138'752 bytes
First seen:2021-04-07 05:53:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 768:QyL9K0uvQbQZSp1qe1x/hs//gU1nLyg9G5XEAYDSXilB3Yd3tV7oIAX:QgKHjZk1Dx/hs//gU1nLyg9Gs
Threatray 4'668 similar samples on MalwareBazaar
TLSH 35D305B0D6E9B676DD64FE3590E8F3B52560DF026206C73A10EC3E23DBF1268956C849
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing Formbook:

HELO: server.oregontech.biz
Sending IP: 43.252.212.107
From: Damia/Navegacion SHIPPING <contactus@bloommaze.com>
Subject: RE: DRAFT BL: BPGUC21001161 / NEW SHIPMENT (Draft Dispatch Documents).
Attachment: BL836477488575.zip (contains "BL836477488575.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BL836477488575.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 06:02:04 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/93e81f5a-ee84-4adb-bb2a-e8de96bb740a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/132756/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.17454.16537.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Moving a recently created file
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/68fd7fbb-cda0-4864-946e-bef326d492c8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/668348
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
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)
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 383105 Sample: BL836477488575.exe Startdate: 07/04/2021 Architecture: WINDOWS Score: 100 42 www.tkbeads.com 2->42 44 www.ivyshermanboutique.com 2->44 46 3 other IPs or domains 2->46 70 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 4 other signatures 2->76 11 BL836477488575.exe 15 8 2->11         started        signatures3 process4 dnsIp5 54 myliverpoolnews.cf 104.21.56.119, 443, 49719, 49720 CLOUDFLARENETUS United States 11->54 40 C:\Users\user\AppData\...\5xno4im4.newcfg, XML 11->40 dropped 82 Tries to detect virtualization through RDTSC time measurements 11->82 84 Hides threads from debuggers 11->84 86 Injects a PE file into a foreign processes 11->86 88 Contains functionality to hide a thread from the debugger 11->88 16 BL836477488575.exe 11->16         started        19 cmd.exe 1 11->19         started        21 WerFault.exe 23 9 11->21         started        23 BL836477488575.exe 11->23         started        file6 signatures7 process8 signatures9 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 Queues an APC in another process (thread injection) 16->62 25 explorer.exe 16->25 injected 29 conhost.exe 19->29         started        31 timeout.exe 1 19->31         started        process10 dnsIp11 48 onstatic-pt.setupdns.net 81.88.57.70, 49764, 80 REGISTER-ASIT Italy 25->48 50 thelandcle.com 85.17.172.1, 49770, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 25->50 52 17 other IPs or domains 25->52 78 System process connects to network (likely due to code injection or exploit) 25->78 80 Uses netstat to query active network connections and open ports 25->80 33 NETSTAT.EXE 25->33         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 33->64 66 Maps a DLL or memory area into another process 33->66 68 Tries to detect virtualization through RDTSC time measurements 33->68 36 cmd.exe 1 33->36         started        process15 process16 38 conhost.exe 36->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ybsmqvkuv7rpfdmghsi22mqwptglrp6zbhhkcysh3rcg6zkwcfxa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00540181c6bbda7cb051c8cf32ab6767bd8c50d0f5de65e7939485849aa69957
Formbook
0132bc0987f049d7527b99c657edefbf62eefcc9bdb4766e6066160ca0bdf4e2
Formbook
029f8f91cce35bc2b66f10c473237024d772c4643e30b9a10acadfe3ce6640d3
Formbook
1c2c212dbad3b81d9c6225c3a9f9f6211b10782d228a090f9aa4f038b0270663
Formbook
31de85bffebf15b904ab8046680be20058efb7a2a411ec79c694194082a93e3b
Formbook
40628d32ef0746f397d0d41b839530eae24d249dd2f414450a8d9dda03741d10
Formbook
43974f14d79cef415355192eadf724a2a2f605d230eafaae0b5391c920971785
Formbook
561562923f5bb53f6113b9a15c60cf2755437556e9e48cdc3fc3ae7ebe0171a7
Formbook
9b8e02c9169932cb809300c4dff5afc240aba4d5a87264f0f7123314345c6248
Formbook
a3d951fa76fbb0f24540b97767e2d327b9bdb2e6e93721cb3da4ac5370118dbc
Formbook
+ 4'658 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210407-bt7zxnd1ta/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.hnchotels.com/mb7q/
Unpacked files
SH256 hash:
c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e
MD5 hash:
719b3f1cae125c176baf80b115c5d242
SHA1 hash:
cb1e79b68a90f9ed2f89148b008e143377d1bc46
Link:
https://www.unpac.me/results/2fff84b4-455c-4db0-a04f-0004a82e27cd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e

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_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

zip a34d50edbd87c99b41bc37b2059011d778a15eb07ab66065e8eed5cd15f378fa

Formbook

Executable exe c064c85554afe2f28d863c91ad32167cccb8bfd909cea16247dc446f6556116e

(this sample)

  
Dropped by
MD5 c8f8c392bd5d2d53168ec6ac9c5d62dd
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a34d50edbd87c99b41bc37b2059011d778a15eb07ab66065e8eed5cd15f378fa
Cape
Cape
https://www.capesandbox.com/analysis/132756/

Comments