MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 af0fecfaa578184482893c6a88aea692e9a2dd8dddba0a51fb08ce81ff01e13c. 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: 13
| SHA256 hash: | af0fecfaa578184482893c6a88aea692e9a2dd8dddba0a51fb08ce81ff01e13c |
|---|---|
| SHA3-384 hash: | 3a86b4470930a56b0155ee7de4bcd87d84a2d9dac80c2f43b6a2742bdb71db14ad577e1b374a818b08b03d07749ebdce |
| SHA1 hash: | 71a1d1e77386fb32bf73effa546bd4a0e536d098 |
| MD5 hash: | 86eff8031914e78fa8fc265d40b014fb |
| humanhash: | earth-freddie-coffee-november |
| File name: | 86eff8031914e78fa8fc265d40b014fb |
| Download: | download sample |
| Signature | Formbook |
| File size: | 398'336 bytes |
| First seen: | 2022-01-18 17:41:23 UTC |
| Last seen: | 2022-01-18 19:29:38 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:FLkE52b3oBC7smXvUJ1xZkhTleXsL3w6A/kRRRRRER:BkHm5OFZOsrCkRRRRRER |
| TLSH | T11C84121133EDA362E9BE1BF96866451053FABAA26530E34D4CD624CF85A3F508701F5F |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed print.exe replace.exe update.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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-18 14:44:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:n0k1 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
91127b33b695f24ccc731003d70cce08ffd0741ecbbb6b71b18295d990f2e80f
MD5 hash:
bade1e5c541f459c8d46d7113c2253ee
SHA1 hash:
0292a596756a082135e569c8ac57f60e6ed71c45
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
505e2399f8ea8c7703d6eb618d704eacc73c2ca91cfbfca074d92bf1e518e3af
MD5 hash:
f01ecc839ff879e6f59ee20b213d404a
SHA1 hash:
22c0e4a35e9705a5b582b845fd9a58d58c999bd4
SH256 hash:
8039c46bf1fee31f4906fe526ca5dbe55584a4ab03a4f7dda6b2bec07348d3a1
MD5 hash:
6e8b25bb2aff34436cc81c337df16e1d
SHA1 hash:
08032d3cf90ba11b4dd5cbd582467c4f67413ca4
SH256 hash:
af0fecfaa578184482893c6a88aea692e9a2dd8dddba0a51fb08ce81ff01e13c
MD5 hash:
86eff8031914e78fa8fc265d40b014fb
SHA1 hash:
71a1d1e77386fb32bf73effa546bd4a0e536d098
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:
0.65
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
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