MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 faff2bfbf22cd4f7d3d79ae04fbff8db10e9e0c5416dd27644f5bcb0d5dfd98c. 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: 9
| SHA256 hash: | faff2bfbf22cd4f7d3d79ae04fbff8db10e9e0c5416dd27644f5bcb0d5dfd98c |
|---|---|
| SHA3-384 hash: | c3c2dd4a345e0a71574e188181a42b04f88696a9c86ff16eec110a57e34d41f58f931c24af8b9272887ec345d196fe39 |
| SHA1 hash: | 31a737292b12d6f733d4dac1457ccd0dfa829c16 |
| MD5 hash: | ef653132d0f9c9a31c2b4fe7d915ad5d |
| humanhash: | cola-pasta-glucose-twelve |
| File name: | ef653132d0f9c9a31c2b4fe7d915ad5d.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 146'944 bytes |
| First seen: | 2022-04-06 16:38:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 3072:S394t2D09UGJfUCy1YK3o4Zn1h2hAdmJ:SE3tWrp3Xi6dm |
| Threatray | 14'762 similar samples on MalwareBazaar |
| TLSH | T10EE3BF19BF5CD923C700077544F2E3304B34AD85BE06D717ABEA2EAB3D367446D86262 |
| File icon (PE): |  |
| dhash icon | 70f0cc9abaf4dcd0 (1 x Formbook) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
SUSPICIOUS
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-04-06 13:22:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
2/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'752 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:ud5f loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
faff2bfbf22cd4f7d3d79ae04fbff8db10e9e0c5416dd27644f5bcb0d5dfd98c
MD5 hash:
ef653132d0f9c9a31c2b4fe7d915ad5d
SHA1 hash:
31a737292b12d6f733d4dac1457ccd0dfa829c16
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | INDICATOR_SUSPICIOUS_EXE_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_Discord_Attachments_URL |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads |
| Rule name: | SUSP_PE_Discord_Attachment_Oct21_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN) |
| Reference: | Internal Research |
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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