MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 0ef4f3934342133702e07d176450b7304d5f85bc78652821356f9f046d5367b4. 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: | 0ef4f3934342133702e07d176450b7304d5f85bc78652821356f9f046d5367b4 |
|---|---|
| SHA3-384 hash: | 8b245c4deac415e3b19c6cee0120735d0694301edbd912c0f4ca80ead62c61c3a49a3327d9240b992848dfcda2218ce2 |
| SHA1 hash: | eaca4bb4abd1aec4fade5e0ef4deeca755f6fa54 |
| MD5 hash: | 39aea50e1b5986688a020b31edbd71f2 |
| humanhash: | salami-eight-enemy-connecticut |
| File name: | 14079 Revised #PO 4990.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 632'832 bytes |
| First seen: | 2021-02-25 14:03:41 UTC |
| Last seen: | 2021-02-26 17:34:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:faKLPZHvYdgMMjf+qc/Hb1sd83hVRA6iCAAwsHrWZNZv:LLPZwuMMjc/7yK3jekVONZ |
| Threatray | 3'937 similar samples on MalwareBazaar |
| TLSH | 4BD45A201D78464CFCEE6AB5115812CB1BE6DC136222906BEB507F978931B48FFDA6F1 |
| Reporter |  GovCERT_CH |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
5
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
14079 Revised #PO 4990.exe
Verdict:
Malicious activity
Analysis date:
2021-02-25 14:07:36 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 custom TCP request
Sending a UDP request
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found 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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-02-25 02:28:50 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'927 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.consultoramulticars.com/suod/
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
SH256 hash:
0ef4f3934342133702e07d176450b7304d5f85bc78652821356f9f046d5367b4
MD5 hash:
39aea50e1b5986688a020b31edbd71f2
SHA1 hash:
eaca4bb4abd1aec4fade5e0ef4deeca755f6fa54
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
FormBook
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.