MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3. 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: 16
| SHA256 hash: | 5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3 |
|---|---|
| SHA3-384 hash: | e290f95d256ebb22f24fa0c582852e6036aa98ab301f6fb997054d63867415feadd54f9657063b79b406b987b34da746 |
| SHA1 hash: | 2e1cdca264a4e29571079c2c2a2b36d899812ec8 |
| MD5 hash: | dc4fbd4c5afc724315acba1b784d042c |
| humanhash: | leopard-winter-coffee-lima |
| File name: | dc4fbd4c5afc724315acba1b784d042c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 742'400 bytes |
| First seen: | 2022-11-10 13:50:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:4i/Pag+5072eFlCk2D3U6xMrDpm6UssNkIhGM/:vF+iquCxnxMrNlU5kq |
| Threatray | 16'341 similar samples on MalwareBazaar |
| TLSH | T1A0F48DA860958599FB6F93B421EDFFB012B631F3E5C8875692759084CBD8FD20D8128F |
| TrID | 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13097/50/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 0ce4d09ecefc799a (13 x Formbook, 9 x AgentTesla, 6 x SnakeKeylogger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Order.xls
Verdict:
Malicious activity
Analysis date:
2022-11-10 12:29:23 UTC
Tags:
macros trojan opendir 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:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
packed rundll32.exe
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-11-10 05:24:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
60
AV detection:
18 of 25 (72.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 16'331 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:oc5e rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3ca0b5e55462a135414b6b5565634bb8338f9ffcb64b3cfba2ccc0a29b2fe433
MD5 hash:
f1ab01dff09c11110921dfcf93b1c954
SHA1 hash:
9334eab4f894021052ca75e886cc76a917e1df53
Detections:
XLoader
win_formbook_auto
win_formbook_g0
SH256 hash:
ce43d54ab581ddd692c68d23135943f381a00ab2bf6f0af1540174d9e77edad2
MD5 hash:
b1f0dbd24483c1e20ed9ac0d503356de
SHA1 hash:
b902b8836c6e295001f0a6644a363d7e73854e9e
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
558689d0599d6b75c7cde12abba0b1d81a79de7f4e6142a40b5e682228dda23a
MD5 hash:
946ad984fb789291056f5cc2fc42099b
SHA1 hash:
18e679e6e2b8a4ee09e7d18fe87cf3ea24f39631
SH256 hash:
652ed364abe21f62d70b3e774a92c741e4967b972ac1ba5bb30c480b78ca88c4
MD5 hash:
cd7334d46f82de0dc4b83e88c68e370e
SHA1 hash:
010b6b577b44350757d1ab558d93ff23aa04e5d8
SH256 hash:
5399fd8bbc8978896233268aa24421cd3d206c606d11bcf64548e8a628be6fc3
MD5 hash:
dc4fbd4c5afc724315acba1b784d042c
SHA1 hash:
2e1cdca264a4e29571079c2c2a2b36d899812ec8
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | 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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