MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a865fc0e3e991a049cd158bf25d5ece089037075bacc38130a6dc8c165e5f803. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: a865fc0e3e991a049cd158bf25d5ece089037075bacc38130a6dc8c165e5f803
SHA3-384 hash: 88ea2c373fb21a32cb0d274db3929756b5f61ee781c51704fbf8330e16f402c89e839ce7a28351aaddbef4184aec36bd
SHA1 hash: 9d3c456be36751aef5e60912390caf2c79ea3402
MD5 hash: 4bb0614ef97d96d375ffb854ff0a877e
humanhash: massachusetts-green-spring-beryllium
File name:FedEx Shipping Invoice.exe
Download: download sample
Signature Formbook
File size:256'386 bytes
First seen:2023-03-08 21:06:23 UTC
Last seen:2023-03-08 22:39:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6OTVHcQnvo6NfOIfNV2NWqxVCfIXs/LMxnN7TG:/YQp9nvo6NGIfrkF0/2G
Threatray 2'242 similar samples on MalwareBazaar
TLSH T1CB441248B770E1A7D46287724F7A065B6FBAF11750F42A8B27409AC9B9325C0DF0F726
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FedEx FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
FedEx Shipping Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-03-08 21:26:06 UTC
Tags:
stealer formbook trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 822700 Sample: FedEx_Shipping_Invoice.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 5 other signatures 2->39 9 FedEx_Shipping_Invoice.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\...\msaslwbyxe.exe, PE32 9->25 dropped 12 msaslwbyxe.exe 9->12         started        process5 signatures6 51 Antivirus detection for dropped file 12->51 53 Multi AV Scanner detection for dropped file 12->53 55 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->55 57 Maps a DLL or memory area into another process 12->57 15 msaslwbyxe.exe 12->15         started        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 1 15->18 injected process9 dnsIp10 27 mtgu.net 165.140.71.65, 49700, 49701, 80 WISCNET1-ASUS Reserved 18->27 29 www.xn--ireneregg-v9a.com 212.227.172.250, 49702, 49703, 80 ONEANDONE-ASBrauerstrasse48DE Germany 18->29 31 8 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 22 cmmon32.exe 13 18->22         started        signatures11 process12 signatures13 43 Tries to steal Mail credentials (via file / registry access) 22->43 45 Tries to harvest and steal browser information (history, passwords, etc) 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-03-08 03:38:29 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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 SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
d6ac9976c64a4cafb46643a75ee692fa32624038ff867a8bde81c5c4911f87b9
MD5 hash:
f15fca0ff56efb0c7ab954eac46fa643
SHA1 hash:
9d5e89590f6e68d9c3e32cc04ad1351da5832058
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
d09a03ad63cfdc7968e7c3586d8b0b88ec04ed0bfbd2d8d63b77eb91bbaaaa4f
MD5 hash:
4c1a280f767aa3917eff6bb46e414dc8
SHA1 hash:
202094440d41cd33460c8ccabad8ef5085e2f250
SH256 hash:
a865fc0e3e991a049cd158bf25d5ece089037075bacc38130a6dc8c165e5f803
MD5 hash:
4bb0614ef97d96d375ffb854ff0a877e
SHA1 hash:
9d3c456be36751aef5e60912390caf2c79ea3402
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:azov_Dropped
Author:Potatech
Description:Azov Detection
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Comments