MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 735e61a90cca4a8e265b040b6ed86bc34cd5d298b6d5f9d2fe68dd6aa85b5113. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 735e61a90cca4a8e265b040b6ed86bc34cd5d298b6d5f9d2fe68dd6aa85b5113
SHA3-384 hash: 3f0a4ec8714aec1d85a4e8adcec89317001aae78fa56a8b35e1f3d58599a1bc027840d2e949d108b502d8804fa1bcf1a
SHA1 hash: f2233fabc3fa7e2aa388a6fde456fb4e456d5a8c
MD5 hash: 069eda39e383c1958d0f0a3817e0e777
humanhash: uniform-juliet-nine-mockingbird
File name:735e61a90cca4a8e265b040b6ed86bc34cd5d298b6d5f9d2fe68dd6aa85b5113
Download: download sample
Signature Formbook
File size:1'140'224 bytes
First seen:2026-08-10 14:38:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 12288:+Dxxltnn0gxo954ZJSJOlw8n5sJgOFpXpeXOer6p6OIyMWuIb8pRZga4n9KBpdgm:Mp50EqL8158Xle+er6CW7C312ry3TBs
TLSH T1E43501242617E802D5D58B77E9A0D37433641ECFB9D3C3966FE96FB7381B3865890282
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
dhash icon 0000000000000000 (907 x AgentTesla, 569 x Formbook, 316 x RedLineStealer)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
entropy net_reactor obfuscated packed packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-21T02:13:00Z UTC
Last seen:
2026-08-09T09:01:00Z UTC
Hits:
~1000
Gathering data
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2026-07-21 15:37:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
735e61a90cca4a8e265b040b6ed86bc34cd5d298b6d5f9d2fe68dd6aa85b5113
MD5 hash:
069eda39e383c1958d0f0a3817e0e777
SHA1 hash:
f2233fabc3fa7e2aa388a6fde456fb4e456d5a8c
SH256 hash:
c36c97e9def388a42c8209e7725f035cec66ec489d563ffff4d9a857bda56572
MD5 hash:
4c3004d45521a2f256e0e7539a7f822b
SHA1 hash:
29d13da254d4e3b43f066cc6d755d00ef25a299c
SH256 hash:
e4e98c56847f65b0ec79dd0fcd73f780be8e5b64a78def50b3d447c6a22aab6d
MD5 hash:
3e279146474e41a20e10d71196dea18c
SHA1 hash:
c3abd761f47fc10a6e546d214517de85e1cb64a0
SH256 hash:
624ec23b9b1fde34643f6ac34c80aa5dc85c9a843c183d92dc8cf4e1f662da2c
MD5 hash:
b800871bae24b1981af76ebac7a31ecd
SHA1 hash:
f400173f8405163a95e6d4b5a09aa89faec838d7
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: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.

Comments