MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a78a8509da77e11047cbdd44be40e4ab2d3fac540237424d2f22fef8f1f77159. 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: | a78a8509da77e11047cbdd44be40e4ab2d3fac540237424d2f22fef8f1f77159 |
|---|---|
| SHA3-384 hash: | bbbdcae2c2c250e758881702ac413b49ef80f2e6ae720293770adae810ca7a0da46c5d5453dff3c9aa0ea947f346f891 |
| SHA1 hash: | cf69d399ded3aa5c571677c94cc9f2a253cf0e39 |
| MD5 hash: | 63b4bbbb2c1b18487c673abcfcff9fff |
| humanhash: | yellow-one-spaghetti-charlie |
| File name: | 63b4bbbb2c1b18487c673abcfcff9fff |
| Download: | download sample |
| Signature | Formbook |
| File size: | 766'976 bytes |
| First seen: | 2021-08-31 10:42:11 UTC |
| Last seen: | 2021-08-31 13:47:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 6144:h2tTTfpR0AUsDp6wZR7rX9lIfN0FEKkYzE4Y1Q2A9fD4AmMnK8y:wtTLpuzst6+VL9ufNItElolmMnxy |
| Threatray | 8'704 similar samples on MalwareBazaar |
| TLSH | T1F5F43D7F19BDA2279175C6F58BE38827F0108B6F3110692476D347264322A7AB5F336E |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
63b4bbbb2c1b18487c673abcfcff9fff
Verdict:
Suspicious activity
Analysis date:
2021-08-31 10:45:21 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Malicious
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 strings
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)
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
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:
2021-08-31 10:43:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 28 (57.14%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 8'694 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:g0ib rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.stickyflasks.com/g0ib/
Unpacked files
SH256 hash:
2bd3c328e6eac2da04c832d2ba0eea78ef518d66ae14e1257fd8096f37f22b59
MD5 hash:
446c33bb016c764b0cf1a852e9bfbf12
SHA1 hash:
c3159204fbfdfcd65a234359428e717cd4339095
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
758763d712c27c53a8b85de07582c9a250638b557e8dcfbae7c278f810241ac1
MD5 hash:
8b7d29dc138f646510a835ffc76e6796
SHA1 hash:
bff289517dc53acc9e172e3445fc87d82f8ee351
SH256 hash:
84c524020781d32868fea40837343159abee7152102052121b8b07f88ff97b22
MD5 hash:
38ba1a58ebcd1bd4f02520539a7e5cfc
SHA1 hash:
2d9d9f20e142df841ebe36451f079dee6682122b
SH256 hash:
a78a8509da77e11047cbdd44be40e4ab2d3fac540237424d2f22fef8f1f77159
MD5 hash:
63b4bbbb2c1b18487c673abcfcff9fff
SHA1 hash:
cf69d399ded3aa5c571677c94cc9f2a253cf0e39
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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