MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9e9a756fe59beb18eb1cdfceee2b2c5c9246dfdad6dc05a6a9a810c479e2516. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: a9e9a756fe59beb18eb1cdfceee2b2c5c9246dfdad6dc05a6a9a810c479e2516
SHA3-384 hash: 37d86097a36d7b85af39f83ded3c4440d5f96f35e7c90f35c1b44c5e0ac8a79329900d9231d820bad7548e00f943cc61
SHA1 hash: 77c497557ef834f7898518a9879ab1a07010c587
MD5 hash: 9689c07b9b5503057eaacd8892bc6ed2
humanhash: bluebird-lake-coffee-nebraska
File name:TR-210315-873.exe
Download: download sample
Signature Formbook
File size:920'064 bytes
First seen:2023-06-18 16:39:19 UTC
Last seen:2023-06-18 16:59:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:KNbQka2iNx5LbzIu9+r9kDeVujuXI/bSnLgeCNh93tBHAWhSG82Hg7s:Ua1j5LA9KKHXNLgFLAWMG8B7s
Threatray 1'265 similar samples on MalwareBazaar
TLSH T16D1501003656CB16C47E0BF9C990C1F047767E26E823C71B2DD27EDE3A72792529A687
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e0c8fcf564781929 (1 x Formbook)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TR-210315-873.exe
Verdict:
Malicious activity
Analysis date:
2023-06-18 16:40:49 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
floxif packed threat virus
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:
96 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 889924 Sample: TR-210315-873.exe Startdate: 18/06/2023 Architecture: WINDOWS Score: 96 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 2 other signatures 2->45 7 TR-210315-873.exe 7 2->7         started        11 REIwHDL.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\REIwHDL.exe, PE32 7->31 dropped 33 C:\Users\user\...\REIwHDL.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp2246.tmp, XML 7->35 dropped 37 C:\Users\user\...\TR-210315-873.exe.log, ASCII 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 51 Injects a PE file into a foreign processes 7->51 13 powershell.exe 19 7->13         started        15 schtasks.exe 1 7->15         started        17 TR-210315-873.exe 7->17         started        19 TR-210315-873.exe 7->19         started        53 Multi AV Scanner detection for dropped file 11->53 21 schtasks.exe 1 11->21         started        23 REIwHDL.exe 11->23         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 21->29         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-16 03:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
ee8044463d637bca6ee6967b5ab0ab04d28db515b94e1e09eb931f69d4bb4d22
MD5 hash:
bf2ac64a9f5788fbb6acd96d2a3391d5
SHA1 hash:
65a983320eee0701a12db8b79729d99ff2e64d17
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
8e8fa446f5323ed2709620ed553630fa829eb4e30a1afed32c21eecb44dcaef0
MD5 hash:
59a0def53c677598e84f7a622d994958
SHA1 hash:
c1646d936e25141fd01230c12fdc68e24d1f39de
SH256 hash:
a81d20a46f4fc08a285788a9a8ad41624369f6678112786c2d5980da6293845c
MD5 hash:
f5295b2f5a47fc8cacc33181bce50f4b
SHA1 hash:
b4ad11a326b19ba37bae623aabe96918fbeb74c1
SH256 hash:
b86193f0f5eeadf451f23596dffb4d015245311c67bc15244c2b1c81293d3679
MD5 hash:
be09d1a9fbdc7fe4ad47e49a0ccf2a0e
SHA1 hash:
3eea7d856de59fefd670110c2edda63c319a5a1b
SH256 hash:
a9e9a756fe59beb18eb1cdfceee2b2c5c9246dfdad6dc05a6a9a810c479e2516
MD5 hash:
9689c07b9b5503057eaacd8892bc6ed2
SHA1 hash:
77c497557ef834f7898518a9879ab1a07010c587
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.

Malspam

Formbook

Executable exe a9e9a756fe59beb18eb1cdfceee2b2c5c9246dfdad6dc05a6a9a810c479e2516

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments