MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f3b0ab6f5c5b899460b423bd005d07eeda382acee5478c294dab31a00e7fc7a5. 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: | f3b0ab6f5c5b899460b423bd005d07eeda382acee5478c294dab31a00e7fc7a5 |
|---|---|
| SHA3-384 hash: | 57b829594f46ccc0fb3f537c3f662b85ebef5218d2257fc7db7aa51b48458db56be169cda1c6cb4c52a4ce4a591bd211 |
| SHA1 hash: | 495f035183ffa65ad5aafd4999cbba881cec40ba |
| MD5 hash: | 05f0132318ffec9996e3dcea22ed765a |
| humanhash: | nitrogen-zebra-alabama-indigo |
| File name: | Yeni sipariş _WJO-001, pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 798'720 bytes |
| First seen: | 2022-04-21 14:00:05 UTC |
| Last seen: | 2022-04-21 15:13:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 24576:cg/UXzsQ26+RiG3RjfSP9/I/OSFvLQBe+g:h/UXqRXDSP4vIe+ |
| Threatray | 15'432 similar samples on MalwareBazaar |
| TLSH | T1BF057D0F7E401164EA182637542CEF09C99FEAA33D9B7D1EB7506BA5AA173C14D2CE70 |
| TrID | 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.0% (.SCR) Windows screen saver (13101/52/3) 8.8% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook geo TUR |
Intelligence
File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed 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.
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
Injects a PE file into a foreign processes
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-21 14:01:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
12 of 26 (46.15%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 15'422 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:hte6 loader rat
Behaviour
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:
26fc5aa1f2bd96c9629c19d93700ae91a924930f7d1b8da391ac863ee6508653
MD5 hash:
f0a9f0f2015064488eb540c3012cc3e3
SHA1 hash:
535970552aee2e58da83a1aed959c9c4606fc4f1
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
f3b0ab6f5c5b899460b423bd005d07eeda382acee5478c294dab31a00e7fc7a5
MD5 hash:
05f0132318ffec9996e3dcea22ed765a
SHA1 hash:
495f035183ffa65ad5aafd4999cbba881cec40ba
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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.
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