MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fa4fe52b60d9da8ae735fe5ff04114abd194754fcd4ca94c0558ca7f6a3b3945. 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: 9
| SHA256 hash: | fa4fe52b60d9da8ae735fe5ff04114abd194754fcd4ca94c0558ca7f6a3b3945 |
|---|---|
| SHA3-384 hash: | 229084edb1bfb87d14f64f46b0f7af2deb449b6154ea79219a61ee7ac774dc3d6da97b15b1835262df0a9f40d0d11517 |
| SHA1 hash: | 6e022db1a83984e4f02744834bfbe4ac6b03117c |
| MD5 hash: | f19ee52e8d1b10d2b91d24662fa56a2f |
| humanhash: | montana-louisiana-bulldog-sierra |
| File name: | Pago en su nombre.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 29'696 bytes |
| First seen: | 2022-02-11 18:09:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 768:/eSu2DmOVI+wVMtB2Q1ddddddVDh9diF5tzQT:m2SGB2Q1ddddddVDh9diF5tzQT |
| Threatray | 9'410 similar samples on MalwareBazaar |
| TLSH | T113D24A0FEFCC7367CA6D403644043A3117F0E97DEE169B598484FA3DBEAB3566A81614 |
| File icon (PE): |  |
| dhash icon | 3269cc963333b2cc (1 x Formbook) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-02-11 18:10:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 28 (71.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'400 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:by78 rat spyware stealer suricata trojan
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
fa4fe52b60d9da8ae735fe5ff04114abd194754fcd4ca94c0558ca7f6a3b3945
MD5 hash:
f19ee52e8d1b10d2b91d24662fa56a2f
SHA1 hash:
6e022db1a83984e4f02744834bfbe4ac6b03117c
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: | exec_macros |
|---|---|
| Author: | ddvvmmzz |
| Description: | exec macros |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_PE_Discord_Attachment_Oct21_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN) |
| Reference: | Internal Research |
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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