MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb17b85aa2aeaa59cb6db3e1c6eb68f83a570b5de3f10d3b09dd47a4aebdedea. 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: | fb17b85aa2aeaa59cb6db3e1c6eb68f83a570b5de3f10d3b09dd47a4aebdedea |
|---|---|
| SHA3-384 hash: | cf444c702a7f9430e23656139b15bd5eabe973f19d70785f5b5a8e4d60b551e5d4e314772619e853250f44645dbd4edb |
| SHA1 hash: | ff5f8d180606e4622ed2876bc5f895d3ded6ebcf |
| MD5 hash: | 54bed27387b134cfa7dbd17699b13165 |
| humanhash: | washington-floor-carbon-cat |
| File name: | INVOICE pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'185'280 bytes |
| First seen: | 2021-04-14 18:30:14 UTC |
| Last seen: | 2021-04-15 07:15:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:4egQ9xslB/4cFRZ1zPsP0U3aDyvkzZ297:Pxsj/42RgP0Uqec |
| Threatray | 4'641 similar samples on MalwareBazaar |
| TLSH | AD45BE6663A85F65F07EA7FA50341000A7F5BC13D721EA0E7DD170EE0AB2FA18655B23 |
| Reporter |  TeamDreier |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-14 18:35:30 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2021-04-14 18:30:20 UTC
AV detection:
8 of 29 (27.59%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'631 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://w����5 �@q[*��S=���m
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
fb17b85aa2aeaa59cb6db3e1c6eb68f83a570b5de3f10d3b09dd47a4aebdedea
MD5 hash:
54bed27387b134cfa7dbd17699b13165
SHA1 hash:
ff5f8d180606e4622ed2876bc5f895d3ded6ebcf
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| 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.
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