MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85a10f9329744d8c7ed58797d3a38beea00541b6fd45a51fe1e6887d4caf411f. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 85a10f9329744d8c7ed58797d3a38beea00541b6fd45a51fe1e6887d4caf411f
SHA3-384 hash: 0279794527fce0e2df09c3295ca68330bc7e69060da0e2a8dee2ac9125f28e72cb002ccf7104e5582be1db896f367f5c
SHA1 hash: c6780713e31730cdf3d5fab824490a2edab45662
MD5 hash: 070e3050632dc18615999736598c197a
humanhash: ceiling-pennsylvania-friend-freddie
File name:obizx.exe
Download: download sample
Signature Formbook
File size:517'632 bytes
First seen:2022-06-14 13:13:00 UTC
Last seen:2022-06-14 13:49:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:yoalwCQOrlPJSKkdhgHlvw1w2FcRbzqfLv:yogQylP44v0vFcRbzq
TLSH T115B4E015BAA7DD02C2991676C6E750141330EB46A623EB4F3FCE134949233EB99C5BCB
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
obizx.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 22:49:36 UTC
Tags:
formbook trojan stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed shell32.dll
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
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-14 12:57:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m56u rat spyware stealer suricata trojan
Behaviour
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
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
8c9602c209ef1a3844fa42dbdfbc2df1b9d615893516766fe896ed2475e25892
MD5 hash:
9d1fda526986c55abc6af59c7fec2be9
SHA1 hash:
cc8015a102f5cccd8bac70f4b1007a6a6d5b2220
SH256 hash:
2fe9852668ae6b7715a5c6f8764744f9cb2ef3163adf0f360728f628d42ce916
MD5 hash:
26bfda201145c515616dbb9243785084
SHA1 hash:
4133e7329a79766bbe670a398fdfb442eb70487d
SH256 hash:
3aa6d15ea87c3372fc4e37d44af63f51f096752b9176aac2c0ec2fd79cc5c72b
MD5 hash:
74da8e816e1db51f52941856e540b63b
SHA1 hash:
2d6c26285b6a5207a24e4f1a38a345aa5e47705f
SH256 hash:
85a10f9329744d8c7ed58797d3a38beea00541b6fd45a51fe1e6887d4caf411f
MD5 hash:
070e3050632dc18615999736598c197a
SHA1 hash:
c6780713e31730cdf3d5fab824490a2edab45662
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: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