MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f96cbbb4f396f8be8d8483bd38cc8dfcbd4f04b73cf7ddec767ce322fd1068ce. 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 2 File information Comments

SHA256 hash: f96cbbb4f396f8be8d8483bd38cc8dfcbd4f04b73cf7ddec767ce322fd1068ce
SHA3-384 hash: 385e46fddf4eed30f70aceb2f14e5a3b4b9a78e6d048f3ea8136ab4fdcaa4b0f4a171005fff67011fb1cc8d46a11387b
SHA1 hash: dee37cdc776c3aa3487e3989ab2672bd4d04773f
MD5 hash: ebb1ecf01a32d9dbfc887056bed2470e
humanhash: river-potato-robin-magnesium
File name:Payment_Invoice.exe
Download: download sample
Signature Formbook
File size:1'129'984 bytes
First seen:2022-03-24 07:51:13 UTC
Last seen:2022-03-24 09:42:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:aZ7aWELLnEjMxL3m2D2g4ajEHvsLrA1f7UIbv/t:a1EHEjKak6Vc0fI
TLSH T14135F19C7650B5DFCC1BCE368A545C64EB20A8B7070BE213A09711ED9B4EA9BCF154E3
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 596080 Sample: Payment_Invoice.exe Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 31 www.massanyakudachiblog.com 2->31 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 10 other signatures 2->45 11 Payment_Invoice.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Payment_Invoice.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 Payment_Invoice.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.bruztrending.xyz 185.151.30.177, 49783, 80 TWENTYIGB United Kingdom 18->33 35 www.sugarbabyrum.com 18->35 37 sugarbabyrum.com 34.102.136.180, 49784, 80 GOOGLEUS United States 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 svchost.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-24 07:52:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ct2t loader rat
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9e083f95f2a93b1c1f16a9946e8816347ee9c8a411decd05af853d98766e334a
MD5 hash:
07a7f236714b348e39a803e60940220f
SHA1 hash:
2283e45e6576af6a6d4f55f4cfa592455053a478
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
SH256 hash:
f44cfdb08e9a6697f23d966c98acadb7d91f4d02389a0821d23222eb7d81b8cd
MD5 hash:
6fe3ebe19cdc7070c0d770adf2b527f7
SHA1 hash:
38badae66e90a92025ee429c5c8c5ba9b333d4ea
SH256 hash:
6a5aac0d5aaa473cef1d292e116a9cf2bd77d96197cfd091cbc901ec19fb9a89
MD5 hash:
93927fa98422531c15e60d65e1707e41
SHA1 hash:
00b30ec474d52829e7f5d552c79e210d3c2ba4a0
SH256 hash:
f96cbbb4f396f8be8d8483bd38cc8dfcbd4f04b73cf7ddec767ce322fd1068ce
MD5 hash:
ebb1ecf01a32d9dbfc887056bed2470e
SHA1 hash:
dee37cdc776c3aa3487e3989ab2672bd4d04773f
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe f96cbbb4f396f8be8d8483bd38cc8dfcbd4f04b73cf7ddec767ce322fd1068ce

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments