MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f8d239a08e27c28f5a5dea56ab895274476ae7360d5d456d89b58d33a392d49c. 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: | f8d239a08e27c28f5a5dea56ab895274476ae7360d5d456d89b58d33a392d49c |
|---|---|
| SHA3-384 hash: | c7aea205b225eb088f38199b8f7652f42ca24f098a567d0938dd172f25b4d1f45710d35ed4c965eecb24443ac48b6ad7 |
| SHA1 hash: | 81f06990ec9c83d755d5023f95af114d92e68d45 |
| MD5 hash: | f0f4b5aa6183bbc5265f26e47aaeb579 |
| humanhash: | grey-salami-mars-xray |
| File name: | f0f4b5aa6183bbc5265f26e47aaeb579 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 512'512 bytes |
| First seen: | 2021-09-14 20:29:34 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:g8k4DbF53e0IUFL6N/QkQc0iC+r3KNb+N7:duCkQ6Gs7 |
| Threatray | 9'265 similar samples on MalwareBazaar |
| TLSH | T1ACB4AD243DFA5129F1B3AFB95EE075969A6FB6333A17E41D148103870B23E41CE9173A |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALAMATH EXPORTS.docx
Verdict:
Malicious activity
Analysis date:
2021-09-14 16:40:43 UTC
Tags:
generated-doc opendir trojan exploit CVE-2017-11882 loader formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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
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
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:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-14 19:52:12 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'255 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:m8g0 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.corbvalperu.com/m8g0/
Unpacked files
SH256 hash:
012eb5bfa9c2259dba5976097a58a9e664404a6e6f5c80c53486138a6fce03d4
MD5 hash:
4378be9a7cf76c87773a45d4a75f0068
SHA1 hash:
97caaadf6bee6291c13d8df5a043e319d074de8b
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
748f7124adf6f7a719b3bbd83d47849ebc4cb07e9da6acdee28f8a7b63322ba6
MD5 hash:
4af882098d0feda87bc43191c1aaaebf
SHA1 hash:
84a5e99f8e77de85d1096baa79583eb83dc07ae4
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
f8d239a08e27c28f5a5dea56ab895274476ae7360d5d456d89b58d33a392d49c
MD5 hash:
f0f4b5aa6183bbc5265f26e47aaeb579
SHA1 hash:
81f06990ec9c83d755d5023f95af114d92e68d45
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
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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