MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e8783275d1135e522355850d43355952456b51b4bd671c4e148bf03fef7ccfe6. 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: | e8783275d1135e522355850d43355952456b51b4bd671c4e148bf03fef7ccfe6 |
|---|---|
| SHA3-384 hash: | 65fefe85ea67e147060babd34c540eca6282ffd31cff6e9160a80a9f053a99fcae23305c81b32bb7cecb9d0f26d3c8f6 |
| SHA1 hash: | f072c3753f59e58f217186d6d3c1c8c33f7e68cf |
| MD5 hash: | a012e64e03c77ec1b8946ac9070ef97b |
| humanhash: | bluebird-march-fifteen-vegan |
| File name: | e8783275d1135e522355850d43355952456b51b4bd671c4e148bf03fef7ccfe6 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'010'176 bytes |
| First seen: | 2026-08-10 14:58:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger) |
| ssdeep | 24576:G9uv0UyV8ZUVMbQd0J+iTBxwUUheAbd8yx1e:mISi+iD+kEhhd8c1e |
| TLSH | T1B92522882BE64722D87B0BF5047BD53117B56D9E5630DA4A1FC9ACEB7E03B204938367 |
| TrID | 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
139
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Gathering data
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Launching a service
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 entropy formbook packed
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-29T05:39:00Z UTC
Last seen:
2026-08-10T06:33:00Z UTC
Hits:
~100
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-29 08:38:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 29 (65.52%)
Threat level:
5/5
Verdict:
malicious
Label(s):
Formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
e8783275d1135e522355850d43355952456b51b4bd671c4e148bf03fef7ccfe6
MD5 hash:
a012e64e03c77ec1b8946ac9070ef97b
SHA1 hash:
f072c3753f59e58f217186d6d3c1c8c33f7e68cf
SH256 hash:
c5a9544950b99b88a0b472a774691f79f4f40feb3ec632bf9ce9ebd7e02aad1d
MD5 hash:
350225cafdf54920f920f2f15a82b29a
SHA1 hash:
d2397a7d9b4d37b9e8741b5d93785c9145d2cc20
SH256 hash:
47a856ff7d9bf14949f9a1deed4ba4ec9495a9ef95ee41ba6d78f630561d166c
MD5 hash:
332b4cd85d1b878f5c5bf709b5984644
SHA1 hash:
ddba69ce01e7ea28029d271d4dd2f75bc3bf454f
SH256 hash:
463527c755e0281b693467bec21653bac36861511002996843cc8de136ba6cd4
MD5 hash:
449b2574b5afb0b211e50fb7c3bb79db
SHA1 hash:
7a86cbdf806d5fac03b26ccc95b6d8783f662816
Malware family:
FormBook
Verdict:
Malicious
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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