MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18ff6408798a94561e9fc4f6fb43dcc279b9b98a554e5cd26ab1944f7b75e35a. 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: 11
| SHA256 hash: | 18ff6408798a94561e9fc4f6fb43dcc279b9b98a554e5cd26ab1944f7b75e35a |
|---|---|
| SHA3-384 hash: | ea933d5e910b154bc6b4fc5cbbe67444b204b685601ba89d92782b7e0a2b4a3b25110ec88dbd65e07550e190151bd5f6 |
| SHA1 hash: | 2123a32738d6f92cd893c7a67603e14042c849b6 |
| MD5 hash: | 8fa3305b6265fa3c61f58ce580b07f54 |
| humanhash: | robert-beryllium-iowa-quiet |
| File name: | Bill Of Lading & Packing List.pdf.gz.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 212'593 bytes |
| First seen: | 2021-05-01 05:56:42 UTC |
| Last seen: | 2021-05-01 07:09:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki) |
| ssdeep | 3072:lEre7GjyCaFvc9b05dHEbguHr+TOT7/P05Pzp0Kcdt/vdwqRR+bkeTZV856f18Vg:lPXIW5FWr+qM5LH6t/vhkAeAeCVIVl4i |
| Threatray | 4'934 similar samples on MalwareBazaar |
| TLSH | 0124126133D0DDE7DBA65735D5745F01EBC6F03A10942B0B2B0807E9BBE69C2691FA60 |
| Reporter |  cocaman |
| Tags: | exe FormBook INVOICE |
Intelligence
File Origin
# of uploads :
3
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2021-04-30 14:55:32 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 4'924 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader loader rat
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.citestaccnt1597666144.com/ud9e/
Unpacked files
SH256 hash:
0dec7f6c951a3281159d164b5bb06b2de106fa2b51942d8d5b662f49bbed881b
MD5 hash:
75ffa9f5a113fa24ef7407dd7de06b7c
SHA1 hash:
6abc5f546cf8aeb787bdf78fb8a8ec29cdec9e8c
SH256 hash:
18ff6408798a94561e9fc4f6fb43dcc279b9b98a554e5cd26ab1944f7b75e35a
MD5 hash:
8fa3305b6265fa3c61f58ce580b07f54
SHA1 hash:
2123a32738d6f92cd893c7a67603e14042c849b6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread