MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086. 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
| SHA256 hash: | b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086 |
|---|---|
| SHA3-384 hash: | 513169c1ed887adb1b016dbb09a1e41c6b0ca4898e99fe0cfd9e3bfaef65ab85ed54a5bca7b507a81f9c29c37c63d568 |
| SHA1 hash: | 2e292b7e6f41b0fd7dd31424989e5640f6e41e38 |
| MD5 hash: | 573ad7a8627f24f2e6fc4aa3c53f6328 |
| humanhash: | georgia-double-jersey-double |
| File name: | Packing list • Invoice • Country of origin.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 386'560 bytes |
| First seen: | 2021-01-15 07:09:06 UTC |
| Last seen: | 2021-01-15 09:12:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1442444af7919535e8cc28f805f45818 (3 x Formbook, 2 x NanoCore, 1 x RemcosRAT) |
| ssdeep | 6144:eVlRSiTgMIAITpBVeiqRPe6th5MZpd+x6tv9EZR:ezMMSpBgiqpKZpdRriR |
| Threatray | 3'374 similar samples on MalwareBazaar |
| TLSH | B1849F927200C8CDEDB986B6581F81203007ACAF5171C7AD29DFB97BA167312936779F |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: relay3.redynet.com.ar
Sending IP: 200.107.202.26
From: Alan Li <alanli@haitai.com>
Subject: Re: Shipping Documents – Packing List & Commercial Invoice
Attachment: Packing list • Invoice • Country of origin.zip (contains "Packing list • Invoice • Country of origin.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Packing list • Invoice • Country of origin.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:16:11 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Running batch commands
Creating a file in the %temp% subdirectories
Creating a file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
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)
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 an obfuscated file name to hide its real file extension (RTLO)
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-01-15 07:10:05 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'364 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader loader rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Formbook
Xloader
Malware Config
C2 Extraction:
http://www.4mzn-l1mit.com/x2ee/
Unpacked files
SH256 hash:
b4a9843d6c2869da17c9fb36d3aae7b869f3df444280943e07f3944f6408f086
MD5 hash:
573ad7a8627f24f2e6fc4aa3c53f6328
SHA1 hash:
2e292b7e6f41b0fd7dd31424989e5640f6e41e38
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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