MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c238d32bf0ff543edd3b8e3277ca1d3a137386d6b458fdf8f98afd41813dd19a. 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: 14
| SHA256 hash: | c238d32bf0ff543edd3b8e3277ca1d3a137386d6b458fdf8f98afd41813dd19a |
|---|---|
| SHA3-384 hash: | e3140fc7cdf0a8b18fab6aab815e9fcbb0a35189e42dcd6e5f4349fd22db5335a1e730e31d46964a9999d64dfa9bfa6a |
| SHA1 hash: | 317e8e0b0c60811810f1c2d50abaa4b481470eff |
| MD5 hash: | f742053cbdcec12c128fa08914285311 |
| humanhash: | island-saturn-tango-east |
| File name: | f742053cbdcec12c128fa08914285311 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'269'760 bytes |
| First seen: | 2023-04-20 06:18:28 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:lOgF4x4F2TyXJuJNPohQzhaqXnX+jdAFFXro72lL5rnX+jdAFFX:Fmm2T0JSNgakqXsYVSiLRsY |
| Threatray | 1'326 similar samples on MalwareBazaar |
| TLSH | T1A94522153AFA2E46C330A67D75E7009ADFB2392C4917DE496D4B10EA375A700ADF0B4B |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  zbetcheckin |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
362
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
f742053cbdcec12c128fa08914285311
Verdict:
Malicious activity
Analysis date:
2023-04-20 06:19:48 UTC
Tags:
formbook trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Sending a custom TCP request
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching the default Windows debugger (dwwin.exe)
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
cmd.exe evasive packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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:
2023-04-16 05:58:44 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
31
AV detection:
19 of 22 (86.36%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'316 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
c238d32bf0ff543edd3b8e3277ca1d3a137386d6b458fdf8f98afd41813dd19a
MD5 hash:
f742053cbdcec12c128fa08914285311
SHA1 hash:
317e8e0b0c60811810f1c2d50abaa4b481470eff
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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
Comments
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