MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f6586429253fa9d4f796399044b55740cf50d812fff96e796febb1ef685ad709. 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: | f6586429253fa9d4f796399044b55740cf50d812fff96e796febb1ef685ad709 |
|---|---|
| SHA3-384 hash: | a27f31706f29f3ad4d45770e7aa3920c140f0decb59c57130dfba2e3d2350a0e3846bc7d56a9f8625e4b8a2d8c499fa0 |
| SHA1 hash: | d55d016de9913d7059d44f401e3a07e4c9a1f64e |
| MD5 hash: | d531c1611fff29efcbc94d6ae2720a0f |
| humanhash: | mars-cup-fillet-early |
| File name: | d531c1611fff29efcbc94d6ae2720a0f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 863'232 bytes |
| First seen: | 2021-10-04 14:50:30 UTC |
| Last seen: | 2021-10-04 17:31:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:AaUXsq4eulCVl0G3DJUs3DJU9F3DJUENqx/xJqfT9ZFfU7i9d5g2F:NKvzJ9zJqzJPQ+7lUO9d5g2F |
| Threatray | 8'363 similar samples on MalwareBazaar |
| TLSH | T19A055C1222C86B55F03E937AA6386145DFF1F597D311CA8A7CAE02EB4F71F825A13B11 |
| File icon (PE): |  |
| dhash icon | 30f0c4c0d4cccc84 (1 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT form.xlsx
Verdict:
Malicious activity
Analysis date:
2021-10-04 09:13:38 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-10-04 14:51:16 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
2/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 8'353 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:hr8n loader rat
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.pochi-owarai.com/hr8n/
Unpacked files
SH256 hash:
f6586429253fa9d4f796399044b55740cf50d812fff96e796febb1ef685ad709
MD5 hash:
d531c1611fff29efcbc94d6ae2720a0f
SHA1 hash:
d55d016de9913d7059d44f401e3a07e4c9a1f64e
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: | 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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