MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4236f52cf6fd6ea644ed667c05d524e7b60b4ce69767eb89b4c1113701ad5867. 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: 10
| SHA256 hash: | 4236f52cf6fd6ea644ed667c05d524e7b60b4ce69767eb89b4c1113701ad5867 |
|---|---|
| SHA3-384 hash: | 0ee66f225ab4cb8fbd3ea1128b302b7db81a77ab5a625b30f7858cfd921ba259521816c35d3554d97ad229c3e58717ff |
| SHA1 hash: | e2740cdfb39944b451c00130b0543636d92761c0 |
| MD5 hash: | 234e96fd91a8c8ba1da7e94609bd6827 |
| humanhash: | jupiter-nuts-maryland-saturn |
| File name: | 234e96fd91a8c8ba1da7e94609bd6827 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 541'696 bytes |
| First seen: | 2021-08-04 16:39:28 UTC |
| Last seen: | 2021-08-04 19:00:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:AH/UUvCzTsvoVILmT/m62/q0amxZPEXgmPI5s8Dk5etRRkYVcacpy:qOzGoVIizNmxSXgmP8nDkqRRkYVC |
| Threatray | 6'604 similar samples on MalwareBazaar |
| TLSH | T150B40105B7ACC215D6BE0B7D08F381820F31FA1B5076EB3A4D96869E1DE37554E807AB |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
310
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OS130000005800413.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-04 13:35:06 UTC
Tags:
encrypted trojan exploit CVE-2017-11882
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-08-04 07:49:09 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'594 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook 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.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
4236f52cf6fd6ea644ed667c05d524e7b60b4ce69767eb89b4c1113701ad5867
MD5 hash:
234e96fd91a8c8ba1da7e94609bd6827
SHA1 hash:
e2740cdfb39944b451c00130b0543636d92761c0
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://103.167.85.206/desktop/rundll32.exe