MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615. 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: ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615
SHA3-384 hash: d61154049cfa40eca44cdbdc3318b86e46dbcfc00a60a956d3f15c908913696c6a54805f5d4ca514bfadf0f5f06ead53
SHA1 hash: 2f0dfdf0a29ab5c1177c1245bebbdb2ee0513686
MD5 hash: bcc32aa0cb21d67d81d9ddbd39c3e2d9
humanhash: aspen-oven-alpha-california
File name:Purchase Order FEB22_76543.exe
Download: download sample
Signature Formbook
File size:787'968 bytes
First seen:2022-02-15 13:15:16 UTC
Last seen:2022-02-15 13:52:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:WvasV/Mw1ssoniKpPB+rtSnJzefJmEhKS:7s31PMPBaQzQThKS
Threatray 13'320 similar samples on MalwareBazaar
TLSH T185F48C6596F7CCB9DC2704BEA42085882E61EE9FB102FFF99449F83DD8387815686437
File icon (PE):PE icon
dhash icon b0cf4a4c4c4ccfb0 (31 x Formbook, 20 x RemcosRAT, 18 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
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
Сreating synchronization primitives
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:
obfuscated packed replace.exe update.exe
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
.NET source code contains very large strings
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572579 Sample: Purchase Order FEB22_76543.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 38 www.trabaho-academy.net 2->38 40 shops.myshopify.com 2->40 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 12 other signatures 2->48 10 Purchase Order FEB22_76543.exe 3 2->10         started        signatures3 process4 file5 36 C:\...\Purchase Order FEB22_76543.exe.log, ASCII 10->36 dropped 58 Injects a PE file into a foreign processes 10->58 14 Purchase Order FEB22_76543.exe 10->14         started        17 Purchase Order FEB22_76543.exe 10->17         started        19 Purchase Order FEB22_76543.exe 10->19         started        21 Purchase Order FEB22_76543.exe 10->21         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 23 rundll32.exe 14->23         started        26 explorer.exe 14->26 injected process9 signatures10 50 Self deletion via cmd delete 23->50 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 28 cmd.exe 1 23->28         started        30 explorer.exe 2 152 23->30         started        32 explorer.exe 23->32         started        process11 process12 34 conhost.exe 28->34         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-15 12:26:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:zqzw loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
c388549f0713823334dc69858f1080dbe1cb8355b1903be4eb01a6329b289846
MD5 hash:
404f14e9fa792a1f95bb04f755741973
SHA1 hash:
0c030e07365d85b58b5c9c2efd26996563275a02
SH256 hash:
ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615
MD5 hash:
bcc32aa0cb21d67d81d9ddbd39c3e2d9
SHA1 hash:
2f0dfdf0a29ab5c1177c1245bebbdb2ee0513686
Malware family:
XLoader
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 ed99b5652455f1287171fd7d49a5ac69add7ed72a08712d4c66f6474fd094615

(this sample)

  
Delivery method
Distributed via e-mail attachment

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