MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b0101745308eec28c38cd2c0b4058c542903099a94b7a5fcb03c11155396987. 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: 13
| SHA256 hash: | 4b0101745308eec28c38cd2c0b4058c542903099a94b7a5fcb03c11155396987 |
|---|---|
| SHA3-384 hash: | 54bfe31a2257fb6bf62c724136b0965f5cbf1f6458c05010d30d1c85280c082a59b93b31766f5196e590b2d4360f2691 |
| SHA1 hash: | f9e960ed84bb90054ceb93715567305cf3db024b |
| MD5 hash: | 0187f138451e403c7c887aae2362bc77 |
| humanhash: | fix-march-romeo-nevada |
| File name: | 0187f138451e403c7c887aae2362bc77.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'332'736 bytes |
| First seen: | 2022-03-03 08:36:44 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 24576:pSEZiPQ+LjVIQUDeeD2drnJPXFzxRnLA:pNZX+LjvB82dbNVzb |
| Threatray | 13'991 similar samples on MalwareBazaar |
| TLSH | T13955F102E4AA6512D77C5C7C615365336B9B4E7F087F810346B8A25816839FB3E3B6F8 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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 submitted file
Performs DNS queries to domains with low reputation
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-03 08:37:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 27 (85.19%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 13'981 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:y329 evasion loader rat suricata
Behaviour
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
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
0e405e477ff690de871ab061c322ba70ad28ddcbce1f6098d154874839ea54fa
MD5 hash:
d1f59188088a915dd088eee29930317c
SHA1 hash:
ecaea1fc5bdfa05ee4c35ca416df3f2a4132bcf7
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
37ae7fb7eb351035527bd9ad84302fbf836845883ac11d0a8323933bf9963256
MD5 hash:
7a0706df8c78ac4b482e7381b860f592
SHA1 hash:
cb72cfc0b15a55cf46bcf74f0b4bb0f9f56fc309
SH256 hash:
9dc881299460fb51b83b2e8f7f02fe75090091bc32e8b1817ae86fd6bdb190bf
MD5 hash:
738d7e191bcd57a942387f824e3443ac
SHA1 hash:
69914255936d61f4c4a486c4015a085b9d60d4bf
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
4b0101745308eec28c38cd2c0b4058c542903099a94b7a5fcb03c11155396987
MD5 hash:
0187f138451e403c7c887aae2362bc77
SHA1 hash:
f9e960ed84bb90054ceb93715567305cf3db024b
Malware family:
XLoader
Verdict:
Malicious
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
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