MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb638437a279bd91fc892b1c565ef4b308ff366fb56a2a1bd4dc1dab954eb535. 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: 14
| SHA256 hash: | fb638437a279bd91fc892b1c565ef4b308ff366fb56a2a1bd4dc1dab954eb535 |
|---|---|
| SHA3-384 hash: | 9ed906d073e18b641a6bbdfbfa24fc5f90ce2eccb60f710e760a92be45bd6b2bb8584ff54c70b92e5f661dc1a71a0652 |
| SHA1 hash: | e351c1d0ab14b8750c3872ea02e1e7c136e6c483 |
| MD5 hash: | 0cfd52eb6025907beaf2f7f1ddde97de |
| humanhash: | tennis-august-equal-uncle |
| File name: | SecuriteInfo.com.W32.AIDetectNet.01.770.23525 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 635'904 bytes |
| First seen: | 2022-04-18 02:30:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:XHH+3hcjPx+nQniSigvEg2dxITOBzhZr8B30ul:Xn+3hcjPzbcnkEzhNWk |
| TLSH | T189D4BCC82F10D00AEAD93DB7B95195F587E5ED00AC4CF6D6B9E03B4A25B6ED7C1A0312 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| File icon (PE): |  |
| dhash icon | 06b080940880d104 (12 x Formbook, 8 x AgentTesla, 5 x Loki) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
331
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-18 02:31:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 26 (69.23%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:i286 loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
238564c721cb99581a05c21352837514006b414f07d1d13e73efc35c666eb67d
MD5 hash:
9fa2424a6c754032eaf0fae6b1e74bd2
SHA1 hash:
94de7afa56f3e5f75edbcbe02d272f4b7a6a5f67
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
af1f5074eff36653e6d54c5c7aabf990aee2cc70a72db4cfb1707e452349c574
MD5 hash:
fc0ae7f6d4aa4aa2c27c26407936ec3d
SHA1 hash:
dfa9b61be7f02298605ffe7e007617016c9bfc2b
SH256 hash:
65e1cff181fb2730a93a482e8c5879d7fee455f36a260c080a8141cd2e6c8395
MD5 hash:
e70b4940e61ecac287a1e3689c629bcf
SHA1 hash:
93151371d557db92e0c3a23905ccd47cf6e8e7d8
SH256 hash:
2865c632d551ff5b2da83c2a895004551113fbf09abea16324fac15d3a5f8069
MD5 hash:
d5d89689cdc2840c73954150e1beb3cf
SHA1 hash:
5c210f7db56b3064a6715dcd5899ce491ab3e1d1
SH256 hash:
fb638437a279bd91fc892b1c565ef4b308ff366fb56a2a1bd4dc1dab954eb535
MD5 hash:
0cfd52eb6025907beaf2f7f1ddde97de
SHA1 hash:
e351c1d0ab14b8750c3872ea02e1e7c136e6c483
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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.
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