MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ff7bd7299367f7e43c9c44fcd0f47a2a7f5b0529046b74ff6dc9c23c4bc71e86. 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: | ff7bd7299367f7e43c9c44fcd0f47a2a7f5b0529046b74ff6dc9c23c4bc71e86 |
|---|---|
| SHA3-384 hash: | deb8414f79a1b58e5580aa1201ee5cec9ca2c8ac3e353725423386ef970a3232fed2aad5f57cd7f42ba9ed472b0ab3f2 |
| SHA1 hash: | 218bf26b2944d097c610e54ff026dca302341427 |
| MD5 hash: | 91902eebab537cac19144070d3c1e5e2 |
| humanhash: | nitrogen-juliet-vermont-foxtrot |
| File name: | 91902eebab537cac19144070d3c1e5e2 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'211'904 bytes |
| First seen: | 2022-01-20 15:35:37 UTC |
| Last seen: | 2022-01-20 18:04:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:6tcvO66djUh8ekwCM4V0Qdn5hdVM9qO7FPqyjDGBzo5DUb64I0r6TB530rnu+rsb:6aDGzCqCIZoDf1IhpdxnspY |
| Threatray | 13'340 similar samples on MalwareBazaar |
| TLSH | T195452362F7C80BAAD7B716BC14E6CE24937053309807E70EEF9635D6A94EEE1D563204 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated reg.exe 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.
Gathering data
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-01-20 15:36:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 28 (78.57%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'330 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
57b3486a659f2b6e7d91e454a59116f2184468dda3c8b4f34213e6c98a0d2f80
MD5 hash:
dc2c61e522f0929d52da32c96ecc32a0
SHA1 hash:
c36603ae44d3cd06f20ceb18d29955cf70a78dc6
SH256 hash:
b8bab6150dacb77a10a74fe6d16b59ad725a26ade94937a5c2b5a7decf9fec21
MD5 hash:
f6e5afc08de41620b17402e6f9b9c3d0
SHA1 hash:
a395f6e5616ea1e5956766abffea7f4aa02961f8
Detections:
win_formbook_g0
win_formbook_auto
Parent samples :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 hash:
ff7bd7299367f7e43c9c44fcd0f47a2a7f5b0529046b74ff6dc9c23c4bc71e86
MD5 hash:
91902eebab537cac19144070d3c1e5e2
SHA1 hash:
218bf26b2944d097c610e54ff026dca302341427
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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.
Web download
Delivery method
Distributed via web download
Comments
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