MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cd8517b48008d82b4246f4fa0dee41f6510127486f8c1e24293174c794f35684. 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: 15
| SHA256 hash: | cd8517b48008d82b4246f4fa0dee41f6510127486f8c1e24293174c794f35684 |
|---|---|
| SHA3-384 hash: | f49498b7370175ee35096c0d9e6c8f2d08684997473ac24fa796728bbeb9db7772de9a17bb154c55f92fbe52af5965c0 |
| SHA1 hash: | 7a30632fcd9eef63cbb4766acf25c5f1cfd93777 |
| MD5 hash: | e91117a64646a3362796ec445df5ca4c |
| humanhash: | mockingbird-hot-undress-california |
| File name: | e91117a64646a3362796ec445df5ca4c.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 987'136 bytes |
| First seen: | 2022-03-22 18:49:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:XepB+wxvZiARSGk5D5mKVrLUQ3oKcQU27+oWve0zhLz8vauIJVJZ5nkwlL5cvd:Xepzk5Df3GK226oW20z4anX5Wvd |
| Threatray | 14'577 similar samples on MalwareBazaar |
| TLSH | T184259D345646074BE23AC5FA9EF1DC2191247EA0EA50B1E40ED82D4FBD5F96E8F048F9 |
| File icon (PE): |  |
| dhash icon | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Adding an access-denied ACE
Launching a process
Searching for synchronization primitives
Creating a file
Searching for the window
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-22 15:55:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'567 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:dgrg loader rat
Behaviour
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
120a249a63d47d28a87cac5e873dfad7e157dd14b209945cc9a7fa69f2aeb1cd
MD5 hash:
cea4886a40f78ccd227fa1bcccb62187
SHA1 hash:
c354592b42fd1f7fd68a52fe6ae4ec4e5e3f81ee
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
2709625055742b8b7ec1c65d9c07f4e60ef134d17f02e6188ce0d838724549a0
MD5 hash:
991f59cfc0bb6494d7d7b2301d279070
SHA1 hash:
c012d22d4acda4fcf78c639f995aefe17812d357
SH256 hash:
ecb31ea7ae25439e86473652eb6ea58a6c1449ae409ac8eb96f3a668ab1f06fa
MD5 hash:
9b98377acbaf2645fea0dc88371267b2
SHA1 hash:
64b6d45b5fcdeee4de3e25eca5babf0f1853c1b9
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
cd8517b48008d82b4246f4fa0dee41f6510127486f8c1e24293174c794f35684
MD5 hash:
e91117a64646a3362796ec445df5ca4c
SHA1 hash:
7a30632fcd9eef63cbb4766acf25c5f1cfd93777
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: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
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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