MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ffeb538e279b53ac314ec71da8a83ffd3693cf31cd3705e23579c7f20d182de6. 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: | ffeb538e279b53ac314ec71da8a83ffd3693cf31cd3705e23579c7f20d182de6 |
|---|---|
| SHA3-384 hash: | bdfb49504df60b05c43cbef54c165ad6049ee854efc378c937115d0d08efa74ea007f0b9381bfb0d6fff4ace4ac46bc8 |
| SHA1 hash: | 5f8f1bf06a2699354a674013a50c5d7244a487ac |
| MD5 hash: | c580134fb8ef2b2a92574e61d5f7b230 |
| humanhash: | mike-island-fish-oregon |
| File name: | SecuriteInfo.com.Variant.Ursu.754598.10392.12070 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 265'728 bytes |
| First seen: | 2021-05-25 13:01:05 UTC |
| Last seen: | 2021-05-25 14:03:57 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:q2KXsQpGbeeqQsf7byPnhG0MM2ZmJTCSGKRnB:ZGGtqQsny/QKnJmvunB |
| Threatray | 5'374 similar samples on MalwareBazaar |
| TLSH | 3844F16777147724DCD809FF8AC7C5B007E3B957A817AA1EA088F362553BFA98AC0057 |
| Reporter |  SecuriteInfoCom |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Ursu
Status:
Malicious
First seen:
2021-05-25 11:49:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 5'364 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cornerstonerecruitmentasia.com/nke/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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 |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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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