MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b972dfd3f5fd6142b67366d223c0056b75d3d93538a7c05ce35e27ad1c9541ed. 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: | b972dfd3f5fd6142b67366d223c0056b75d3d93538a7c05ce35e27ad1c9541ed |
|---|---|
| SHA3-384 hash: | 68154d85b9cb56f6ff84664e53e9e33493aceea3608dc67253800915c62205a49ea8ac0a119962c5d7e55571134b7ea2 |
| SHA1 hash: | 90e0ea32a4113eab945184b40ef450d28fd8a112 |
| MD5 hash: | 50e943dc4d8635a2c7584dde2b577602 |
| humanhash: | vermont-yankee-floor-batman |
| File name: | PO - 4501226854,pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 141'312 bytes |
| First seen: | 2022-02-10 17:53:03 UTC |
| Last seen: | 2022-02-11 07:33:35 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 1536:s2DWru7ZWEIGdTH9VX9MiHmZrFEBwtL9HhGTeYE317fWaeVTP6JU7a3S6UNciyKW:s2iru7dbBUqJFEFCF6JWaddK94V8E1 |
| Threatray | 13'287 similar samples on MalwareBazaar |
| TLSH | T1D9D3AE183F8F9B49E5E60B7E8BA353486331A66566231F1F7275372B9D321843FC2249 |
| File icon (PE): |  |
| dhash icon | 3af2d2fae8f2b084 (4 x AgentTesla, 2 x AveMariaRAT, 2 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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.Backdoor.Remcos
Status:
Malicious
First seen:
2022-02-10 17:54:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 28 (64.29%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'277 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:ahge loader rat suricata
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b972dfd3f5fd6142b67366d223c0056b75d3d93538a7c05ce35e27ad1c9541ed
MD5 hash:
50e943dc4d8635a2c7584dde2b577602
SHA1 hash:
90e0ea32a4113eab945184b40ef450d28fd8a112
Malware family:
XLoader
Verdict:
Malicious
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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