MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337ff9576e05ebb12c68c9e72636cc2a8baac0536b1f98b4167a482c7dfba9b0. 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 2 File information Comments

SHA256 hash: 337ff9576e05ebb12c68c9e72636cc2a8baac0536b1f98b4167a482c7dfba9b0
SHA3-384 hash: 42d7f3a44a25538dfa73f4916743b768a74a99467fae9bd720b7e58254db4feebb9d57c1a05539ff9b8331c20318aeb2
SHA1 hash: 119bb9418e7b4dba08c836fefdea2dcd432aaf45
MD5 hash: 9e4e3fa166972330e9d889192ba370c8
humanhash: stairway-nineteen-vegan-nebraska
File name:shipping document.exe
Download: download sample
Signature Formbook
File size:658'432 bytes
First seen:2022-08-23 10:25:09 UTC
Last seen:2022-09-01 02:20:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:gBZANhu3XDG2qu8uv4P9RGSfkCO92n8RznsnkIMDwPLEDbWrmScxbx2d5:gsNCG2qu8bTWCzn81ns4wD2Wrk45
Threatray 14'921 similar samples on MalwareBazaar
TLSH T142E4016933B96F2AE43A87F95470458147B9B627B687E34F5DC230CE6E2AF115B00E43
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
shipping document.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 10:26:15 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
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 688652 Sample: shipping document.exe Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 39 www.expectedclosure.one 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 11 other signatures 2->53 9 shipping document.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\xTPyFchIQpBymY.exe, PE32 9->31 dropped 33 C:\...\xTPyFchIQpBymY.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmp3C32.tmp, XML 9->35 dropped 37 C:\Users\user\...\shipping document.exe.log, ASCII 9->37 dropped 61 Adds a directory exclusion to Windows Defender 9->61 63 Injects a PE file into a foreign processes 9->63 13 shipping document.exe 9->13         started        16 powershell.exe 23 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 13->73 75 Maps a DLL or memory area into another process 13->75 77 Sample uses process hollowing technique 13->77 79 Queues an APC in another process (thread injection) 13->79 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 41 natroredirect.natrocdn.com 85.159.66.93, 49733, 80 CIZGITR Turkey 20->41 43 www.blackyaga.xyz 20->43 45 redirect.natrocdn.com 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 59 Uses netsh to modify the Windows network and firewall settings 20->59 28 netsh.exe 13 20->28         started        signatures11 process12 signatures13 65 Tries to steal Mail credentials (via file / registry access) 28->65 67 Tries to harvest and steal browser information (history, passwords, etc) 28->67 69 Deletes itself after installation 28->69 71 2 other signatures 28->71
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-23 07:17:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
c60e7031a42930f55fb75595dfdd24a1e5acd099a9dd2f79ec8c9ddc25268239
MD5 hash:
df9967a6bb9f130f78d196a0ffdd2ee0
SHA1 hash:
1dd413bcaac09ac74605f745ae1bb853605220b8
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
538911254f34fbe7bd42b79029a3b21e2a540d6d5acfb53bf505babcd08ff4ec
MD5 hash:
264df3f021f1b505e13a61f25128a747
SHA1 hash:
ea4fcd0008b5cc5dab3da7082a5f322895582ebb
SH256 hash:
1ab30b761d40ca0448b78bb3bd66524ee4e0e010127680f3133a2a6fdb62ecde
MD5 hash:
158a9614df783311cf104cfe75b6c39b
SHA1 hash:
8953370b4cc37e410cb1b6ff0f69ec3e9b0997af
SH256 hash:
3f45e1a4cde245528819a57083a7c2f3b814802b401b2571260335e89a1b6ec8
MD5 hash:
2a7599467e812f015f36df1ab065efa4
SHA1 hash:
495bd2d34444e2cecacf4ab0ad676a60bcec80e0
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
337ff9576e05ebb12c68c9e72636cc2a8baac0536b1f98b4167a482c7dfba9b0
MD5 hash:
9e4e3fa166972330e9d889192ba370c8
SHA1 hash:
119bb9418e7b4dba08c836fefdea2dcd432aaf45
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 337ff9576e05ebb12c68c9e72636cc2a8baac0536b1f98b4167a482c7dfba9b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments