MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f8137858a6c349110aab09e2ecfd1c68d102b7b9b9809c7dcd2e1e8d2662f38c. 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: 8
| SHA256 hash: | f8137858a6c349110aab09e2ecfd1c68d102b7b9b9809c7dcd2e1e8d2662f38c |
|---|---|
| SHA3-384 hash: | 910729ecd9a6280acbdbe179da39a524ad612df8a6a367e462aae725a8d2b53eda23f5d9cf3bb928b02e6fc30ad34d49 |
| SHA1 hash: | 47a6bc435177a8e35022471f0cee31c63f9a0e8a |
| MD5 hash: | 86ec288267e303fb73adef10010f1904 |
| humanhash: | winner-dakota-angel-football |
| File name: | SecuriteInfo.com.W32.AIDetectNet.01.3291.10886 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 758'784 bytes |
| First seen: | 2022-04-25 13:43:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:DFMBLe6mNmV/nd0F+4OkFNm1KyrE+G6jhDR3S8+bj3M:we6CI48Eyr9G6aP |
| Threatray | 12'109 similar samples on MalwareBazaar |
| TLSH | T113F4BE437915FA8DC875B9F252506DA400A16ECEA4B541F328763778A9FA1C3FE103EE |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 4c32d8d4d4d8334c (2 x Formbook, 1 x njrat) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-25 13:44:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 25 (80.00%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 12'099 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:n4th loader rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
80ad8e285635f8a771451e2ae9971289a692a323017d6b0661206786f6c15ad3
MD5 hash:
ed824ddce884887d1241920022ea7851
SHA1 hash:
3d0574c41d464ade3e5457842ac997468324ba7b
SH256 hash:
09cd3bc420c8982190990a9673b58c3ab01e933dff0881f1e521d3316f1b9a6b
MD5 hash:
6933707e111286a128ad0f7fa298153f
SHA1 hash:
d1121c8bed634e9684727e8c0aad3f597b0749ad
SH256 hash:
2267a6856d4fc0467d7f984c0eac9998f60238b482060df770e686d523fbc329
MD5 hash:
c533086a4e9c795a8f7d6aa1c8256e01
SHA1 hash:
8ef51af0632fe15d642e4c4d87570115d6ec64b5
SH256 hash:
fcb9a34623d3332c42b1868173eb3fab57c28cc292787c8deec3b093d3ee0253
MD5 hash:
250bfda90da64103af6dd46ab71034e9
SHA1 hash:
70ca4321a778f4c191f5f767bc3f2e85604e3ae2
SH256 hash:
f8137858a6c349110aab09e2ecfd1c68d102b7b9b9809c7dcd2e1e8d2662f38c
MD5 hash:
86ec288267e303fb73adef10010f1904
SHA1 hash:
47a6bc435177a8e35022471f0cee31c63f9a0e8a
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:
0.35
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: | pdb2 |
|---|
| 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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