MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4ccfbaa38c2372df5f18489426a89f3bedc15aefbd829179e88d672149bdd30. 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: 11
| SHA256 hash: | b4ccfbaa38c2372df5f18489426a89f3bedc15aefbd829179e88d672149bdd30 |
|---|---|
| SHA3-384 hash: | 94606769fc1be57d5df5b4c24082e2658a82f6c8198b36d07ce4803299e726953d80ef5ef095dd75c0c9e88ceafb8b58 |
| SHA1 hash: | 983e4c8a72334debd7cb8839c0c729b1b380179e |
| MD5 hash: | 0e64ba80b6d7f862f19987f36258fbea |
| humanhash: | sixteen-hawaii-shade-spaghetti |
| File name: | S12GF803.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 559'616 bytes |
| First seen: | 2020-10-05 14:22:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:8q+zDr1CH0HXf3FpKtFfJWpnajhu0qg+zTonD:8qU1U0veu2u6+zToD |
| Threatray | 2'340 similar samples on MalwareBazaar |
| TLSH | 6FC4BE244E441BD7C32D9F74C400A12142FEBF4A6362E67B2FA67EA534B3245EB51F89 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing FormBook:HELO: pizza-vip03.virtualhosting.hk
Sending IP: 203.135.158.166
From: edward.sun@hengtai-law.co.uk
Subject: Ordem judicial
Attachment: S12GF803.zip (contains "S12GF803.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-05 14:03:01 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
netwirerc
Similar samples:
+ 2'330 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.thamys.xyz/gss/
Unpacked files
SH256 hash:
b4ccfbaa38c2372df5f18489426a89f3bedc15aefbd829179e88d672149bdd30
MD5 hash:
0e64ba80b6d7f862f19987f36258fbea
SHA1 hash:
983e4c8a72334debd7cb8839c0c729b1b380179e
SH256 hash:
01dd844990e0c5fdcea0f88712253aa1ef4750316f0734ab7099306170b5ea2a
MD5 hash:
eb593633270aa19162cf64663df9dd6c
SHA1 hash:
2ec57181471ff10abe9a04239ca3ea86ea4252b9
SH256 hash:
a131c410fc4e4b6964844464c49766f2669c79dbc83a03cc4f3f7a0349d4fdbe
MD5 hash:
f2fffb38ac79ca74efe8ecf10004cf30
SHA1 hash:
50800d3c5ce670e1f4c1a2b50bb73a7ec1cecc68
SH256 hash:
4534c92a5ae427be0494aaf8f98ea704b3863bdf37adaa7b9ede2eb8f93470ac
MD5 hash:
78e13dc1b500d1aba179c46f732d6408
SHA1 hash:
a9ee56cc659719e043062962192bc9076dfe6cc0
SH256 hash:
815dba4fc93f63797acb27d5f67848d32845c2ff42618115d9c98bfe778f5cef
MD5 hash:
c7631fcb7db6695b49f92612a6383de7
SHA1 hash:
14bbadd62fa0ad080cfa96f1e697ba009acb2182
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
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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