MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fa87c1477f566e729a6dae6517ec20964005f77b063345201eee6bf6b9e1e8ca. 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: | fa87c1477f566e729a6dae6517ec20964005f77b063345201eee6bf6b9e1e8ca |
|---|---|
| SHA3-384 hash: | 8fc9ed84098aa8aeae41f2225e06a981e34eec1691fa95a355b3a823b62b199ac3c8706f3e8fea54428ceb6eb806d875 |
| SHA1 hash: | a7b4499c2e6c320e5f4b6836e409627a3e4a1135 |
| MD5 hash: | 292614b86c9abbd7715ca37500f8da16 |
| humanhash: | solar-kilo-network-blossom |
| File name: | 292614b86c9abbd7715ca37500f8da16 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 497'664 bytes |
| First seen: | 2021-09-20 19:29:42 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:oThpKN7WHCM2K4CC3I5XILgodH7uEQVttSwjCEKzc7UWU:oTnKP3CcI5IJdbSV7SQCFzDj |
| Threatray | 9'509 similar samples on MalwareBazaar |
| TLSH | T1FBB4CF243AEA9019F1B7EFB55AE07692DA6EF7632707945D109003CB4623F80DED163E |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
292614b86c9abbd7715ca37500f8da16
Verdict:
Malicious activity
Analysis date:
2021-09-20 19:31:01 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
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:
2021-09-16 09:49:00 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'499 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:bckt 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.kuyamodelexpo.com/bckt/
Unpacked files
SH256 hash:
b1fae1673a8e44a288a85e62706842f47c401450853042ef827a65e18838a1fb
MD5 hash:
6921c93bcb36efbfcd1e4ff510bcddba
SHA1 hash:
34116787eb111a00e0c64e524edebfdffd0f097f
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
75efba16a4a47194899f756e2d2e4d97a7c1884f2fb7cf0d8cae6c8f28cb5d7e
MD5 hash:
0c72a845f62cfc5b8f14c185ce68583e
SHA1 hash:
936ca32a02d48b9a47681f12b33a58355ecd210d
SH256 hash:
fa87c1477f566e729a6dae6517ec20964005f77b063345201eee6bf6b9e1e8ca
MD5 hash:
292614b86c9abbd7715ca37500f8da16
SHA1 hash:
a7b4499c2e6c320e5f4b6836e409627a3e4a1135
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
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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