MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed. 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: | 909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed |
|---|---|
| SHA3-384 hash: | 1dcd533480d3b6126234f6892d5ee861c5d9d713cc62f1f7d72cffbc9d40a34236fdef770317b9befa2b928e76909113 |
| SHA1 hash: | a0490cb6f79358384d2ac10d75d5fb5d60f1be0b |
| MD5 hash: | b32f3e6dd826c354347ee8d24d3a9e91 |
| humanhash: | edward-leopard-moon-bluebird |
| File name: | Thanh Tuan Co., Ltd - Inquiry List & Sample Photos.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 52'736 bytes |
| First seen: | 2022-03-21 17:14:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'640 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 768:Yj5e7+7BcOekxGztFBTwVmNv/VKmXUu8cjpcXBTf4AWCOlF3vSfogqqPDN:5mBLxGznBTyWvlLjmXtlW/Svqq7 |
| Threatray | 14'276 similar samples on MalwareBazaar |
| TLSH | T10B33E64C26982117C2F86539859E5178B3B9ACB32E11D3178970336F2BF3AE19DC2677 |
| File icon (PE): |  |
| dhash icon | c888cedecc888880 (7 x AgentTesla, 6 x Formbook) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected MSILDownloaderGeneric
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-03-21 13:05:04 UTC
AV detection:
9 of 42 (21.43%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'266 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:gaou rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
909570efc48341a6ae00ae8dcbb8d751f912569a4756f7526bc7d0cf1cda81ed
MD5 hash:
b32f3e6dd826c354347ee8d24d3a9e91
SHA1 hash:
a0490cb6f79358384d2ac10d75d5fb5d60f1be0b
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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