MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 77a46930ca579ee197db74bbbb30bd77c0ad71323836b5790c09f491d9147d23. 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: 12
| SHA256 hash: | 77a46930ca579ee197db74bbbb30bd77c0ad71323836b5790c09f491d9147d23 |
|---|---|
| SHA3-384 hash: | a86aaeb239c076a90af3e3bb3fbcb9a5cb16fecf2821639ab2a8e4c1a3e03cefe92e27fd5e53d8967102520d384b8cfc |
| SHA1 hash: | 16432f34fd5e4b6fd835b0d2bfc7c15006d385c9 |
| MD5 hash: | 6bc174f341262c62fd0b4650f1f23b0d |
| humanhash: | item-seven-vermont-whiskey |
| File name: | 6bc174f341262c62fd0b4650f1f23b0d |
| Download: | download sample |
| Signature | Formbook |
| File size: | 745'472 bytes |
| First seen: | 2021-11-15 09:02:35 UTC |
| Last seen: | 2021-11-15 11:14:13 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 12288:gRWzQhIT/8iT4Bm6Sg3jOTFH4emqvCx33DT3dQGBmGRUi6gds4:zNUm6Sg3qTFH4eVvCx33nS4m6f6gds4 |
| Threatray | 11'235 similar samples on MalwareBazaar |
| TLSH | T17AF49E6426E49E2BD1AE03BCE0A90514C3F5F5116647F72F5FE0A1B82CB73A2CC456A7 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-15 09:03:08 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'225 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:c28n loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.alou-mall.com/c28n/
Unpacked files
SH256 hash:
6052db6e0830846422ac672b4c26e24924e5a8b163075e5793814e1a754fcd98
MD5 hash:
056df89173bad75872ef77ab809a9b56
SHA1 hash:
64402f0433da4d63c41b8a21ee1d0a2b4138ec46
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
0dfeb0beb47168b0f5a6d0a2d3668daa6287e2a9fe962b290f460fc2bb03b8b5
MD5 hash:
bc01bb0bde647270737d5af89949a81a
SHA1 hash:
21058d850a2410bd6335518aae13ce1ba1d47176
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
77a46930ca579ee197db74bbbb30bd77c0ad71323836b5790c09f491d9147d23
MD5 hash:
6bc174f341262c62fd0b4650f1f23b0d
SHA1 hash:
16432f34fd5e4b6fd835b0d2bfc7c15006d385c9
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: | 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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