MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b8143fc8d8d9ffc0efdc2eaf1e66a15c3ff56cd7e53429083f5fb908f5b9c67. 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: | 4b8143fc8d8d9ffc0efdc2eaf1e66a15c3ff56cd7e53429083f5fb908f5b9c67 |
|---|---|
| SHA3-384 hash: | c49827b3a048991a60e4fad5749454084182796fd826dc22e48d6b5ad1bcb435ca99593c174b48b325cc7580adcecbb3 |
| SHA1 hash: | f3b89cde1e7d9ca3a1090f6f4bbdb1b50c44e144 |
| MD5 hash: | 21d3a09d6c4451c6e326a5361ecb290f |
| humanhash: | black-princess-hamper-delta |
| File name: | 21d3a09d6c4451c6e326a5361ecb290f |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'059'840 bytes |
| First seen: | 2021-10-08 06:12:13 UTC |
| Last seen: | 2021-10-08 09:05:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:0a+04DyL9pD3n+0Sape4q4xAceA8svAuzlh5AKutVZPl:3c+L7D3+1+dqIAtJDuxXAptVJl |
| Threatray | 11'043 similar samples on MalwareBazaar |
| TLSH | T1E235F5002695CB01D1B637F4D864CAF097656C55DA29C28B2DF1BEEB79B1B03CE01A9F |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance Payment Voucher HDFC_EFT_300921_9562.doc
Verdict:
Malicious activity
Analysis date:
2021-10-08 04:45:42 UTC
Tags:
exploit CVE-2017-11882 loader
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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
monero obfuscated packed
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2021-10-08 06:13:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 11'033 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
SH256 hash:
19926148d5c5f212d402f0169050d89a80509bed6fc9a1bec66ea89073e35e4a
MD5 hash:
399dde7f29b6711762abd63ae0d1ffee
SHA1 hash:
4506b0fe76d0041db5db4a145e48e1edafe98d31
SH256 hash:
3e38c55117683acadf383bcc689067bc7b7b562e5a8b7a042476823df97f0b1f
MD5 hash:
0d3e26a0a8eeb2f91002ea087d0890cd
SHA1 hash:
05ca63ac6cf3933d62c524773a31246ad7698fa1
SH256 hash:
4b8143fc8d8d9ffc0efdc2eaf1e66a15c3ff56cd7e53429083f5fb908f5b9c67
MD5 hash:
21d3a09d6c4451c6e326a5361ecb290f
SHA1 hash:
f3b89cde1e7d9ca3a1090f6f4bbdb1b50c44e144
Malware family:
Agent Tesla v3
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: | 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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