MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849. 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


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849
SHA3-384 hash: a7b61133570bad6ecaa401c5dd20a59550c0a7fc962b69b7508cf231151ad822a9788c347cc4cd627c50d94f7fd0ad59
SHA1 hash: 2cd63f2547cdc041004fc2c7fe18a0eb83e93838
MD5 hash: 90901bdd2800d9c760dfcb3e6915ff09
humanhash: september-skylark-hydrogen-fillet
File name:IMG-XEROX_130222.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:40'448 bytes
First seen:2022-02-15 06:10:07 UTC
Last seen:2022-02-15 07:55:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:yWH9qatMOo0Nzsw5h4h0PMgCda6Sdd4ra1BX8mUCWy9XXHrzCH2:qL0Bz5h4/AbQGfXLuH2
Threatray 11'217 similar samples on MalwareBazaar
TLSH T18E03B696FECC89F0EDD58B3E6CBBCD7415A2BDEA8539A41C25C93E2338732904111567
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/241537/
Detection(s):
SecuriteInfo.com.BackDoor.SiggenNET.35.28417.21171.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Launching cmd.exe command interpreter
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Creating a file
Searching for the window
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed strictor
Link:
https://www.filescan.io/uploads/620b43c0875593a3ccce20e6/reports/6908e002-f16c-4938-9818-31b02d13c9dd/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c07a5af7-600d-4b6f-a690-e16244d68a85
Result
Threat name:
AgentTesla FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/939914
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 572392 Sample: IMG-XEROX_130222.exe Startdate: 15/02/2022 Architecture: WINDOWS Score: 100 57 www.burbancoffeeandsandwiches.com 2->57 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 9 other signatures 2->83 11 IMG-XEROX_130222.exe 16 8 2->11         started        signatures3 process4 dnsIp5 59 api.telegram.org 149.154.167.220, 443, 49755 TELEGRAMRU United Kingdom 11->59 61 www.uplooder.net 144.76.120.25, 443, 49745, 49782 HETZNER-ASDE Germany 11->61 63 192.168.2.1 unknown unknown 11->63 49 C:\Users\user\AppData\Roaming\chrome.exe, PE32 11->49 dropped 51 C:\Users\user\...\Xlwdhfukqdjnjxzxl2022.exe, PE32 11->51 dropped 53 C:\Users\user\...\chrome.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\...\IMG-XEROX_130222.exe.log, ASCII 11->55 dropped 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->95 97 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->97 99 Injects a PE file into a foreign processes 11->99 16 Xlwdhfukqdjnjxzxl2022.exe 11->16         started        19 IMG-XEROX_130222.exe 2 11->19         started        21 conhost.exe 11->21         started        23 IMG-XEROX_130222.exe 11->23         started        file6 signatures7 process8 signatures9 69 Antivirus detection for dropped file 16->69 71 Multi AV Scanner detection for dropped file 16->71 73 Machine Learning detection for dropped file 16->73 75 5 other signatures 16->75 25 explorer.exe 16->25 injected process10 process11 27 msdt.exe 25->27         started        30 chrome.exe 14 6 25->30         started        33 chrome.exe 4 25->33         started        dnsIp12 85 Modifies the context of a thread in another process (thread injection) 27->85 87 Maps a DLL or memory area into another process 27->87 89 Tries to detect virtualization through RDTSC time measurements 27->89 35 cmd.exe 27->35         started        65 www.uplooder.net 30->65 91 Multi AV Scanner detection for dropped file 30->91 93 Injects a PE file into a foreign processes 30->93 37 conhost.exe 30->37         started        39 Xlwdhfukqdjnjxzxl2022.exe 30->39         started        41 chrome.exe 30->41         started        67 www.uplooder.net 33->67 43 conhost.exe 33->43         started        45 Xlwdhfukqdjnjxzxl2022.exe 33->45         started        signatures13 process14 process15 47 conhost.exe 35->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-02-15 06:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gx452f575c3cm5v6vvveqy4lmx6sg4vzngonovzlldqsdequhbeq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
formbook
Create hunting rule
Similar samples:
4d1ac5962b58c0bf6386b85fc1c2029efb0c8d5ccf0054733795eec1ea8b3291
Formbook
5dde67093b891df286e998912557fa598ebebc662bb30252fbe9ce7798e50242
Formbook
79215526b0229696bf3961e09918bca444cb43b079ca70834c54db52c49c51ac
Formbook
7c7116c6a0f1e06e4c252ea45668b85c1fdf3f35216097be1208e14be4066b36
Formbook
950ead10061a0d06ae1314f85d90925ed519d91ff8360236960e9abf68a99b7c
Formbook
9767d52eebfbf17f2e549a57d68d7f11c199af327eeb20542b39485f883f61e1
Formbook
aa38c8327df5d1755de504ea0eccf988a34c786d80f0becb3e99491527289089
Formbook
b972dfd3f5fd6142b67366d223c0056b75d3d93538a7c05ce35e27ad1c9541ed
Formbook
d2cc3484cdabe8305bf9afd35530ca1118ca2c308408dc7140c3a94b392b60bb
Formbook
+ 11'207 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:xloader campaign:878a collection keylogger loader persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220215-gw3maabfc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
Xloader Payload
AgentTesla
Xloader
Unpacked files
SH256 hash:
35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849
MD5 hash:
90901bdd2800d9c760dfcb3e6915ff09
SHA1 hash:
2cd63f2547cdc041004fc2c7fe18a0eb83e93838
Link:
https://www.unpac.me/results/dbab5e65-f467-4d5d-b8c0-1fd78704b8df/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/35f9dd17bfe8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849

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
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Rule name:Skystars_Malware_Imphash
Create hunting rule
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 35f9dd17bfe8b62676bead6a48638b65fd2372b9699cd7572b58e12192143849

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/241537/

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