MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0cd37496a09d3516103a2ba627f8c4bc9ba2eb99b0618d719a3fa9d708b9862d. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 0cd37496a09d3516103a2ba627f8c4bc9ba2eb99b0618d719a3fa9d708b9862d
SHA3-384 hash: 54ce9a1315c0112c9f48e319568f8309ea0ac26a99707eb744b99996a4fac5f19cff35fb02b6fb32755562c09d53de8e
SHA1 hash: 5a2f464ec257a743aa27882ef0420b6146618a88
MD5 hash: 4228b0497f196ea85cd00037417a2047
humanhash: cat-ack-iowa-september
File name:Purchase order #43258.exe
Download: download sample
Signature FormBook
File size:564'224 bytes
First seen:2020-07-29 11:53:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:LbUAUs4LSePpURozE7xHoZLmX+aHczcF1LGWa2yTcDajHUx4G:PUt5fw7xHoZLCqE1LRa2yfLe
Threatray 4'620 similar samples on MalwareBazaar
TLSH 91C4C01EB690FA16C3FE8134E2DD5528CEFCC296912BE3656844A7FF1AC2363D5091B1
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: ponpon.flamboyan.hu
Sending IP: 193.142.209.10
From: gulsah_biraderler <gulsah_biraderler@maxcael.com>
Reply-To: sales@maxcael.com
Subject: Purchase order #43258
Attachment: Purchase order 43258.rar (contains "Purchase order #43258.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected FormBook malware
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253612 Sample: Purchase order #43258.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 55 www.restaurinteriors.com 2->55 57 parking.namesilo.com 2->57 59 g.msn.com 2->59 67 Malicious sample detected (through community Yara rule) 2->67 69 Yara detected AntiVM_3 2->69 71 Yara detected FormBook 2->71 73 6 other signatures 2->73 11 Purchase order #43258.exe 1 2->11         started        signatures3 process4 signatures5 91 Injects a PE file into a foreign processes 11->91 14 Purchase order #43258.exe 11->14         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 17 explorer.exe 3 6 14->17 injected process8 dnsIp9 51 www.clubgrei.com 45.38.195.65, 49747, 80 EGIHOSTINGUS United States 17->51 53 www.nickherbal.info 17->53 45 C:\Users\user\...\7nolpbwpw2phwdhp.exe, PE32 17->45 dropped 75 System process connects to network (likely due to code injection or exploit) 17->75 77 Benign windows process drops PE files 17->77 22 cmd.exe 1 17 17->22         started        26 7nolpbwpw2phwdhp.exe 1 17->26         started        28 7nolpbwpw2phwdhp.exe 17->28         started        30 4 other processes 17->30 file10 signatures11 process12 file13 47 C:\Users\user\AppData\...\K62logrv.ini, data 22->47 dropped 49 C:\Users\user\AppData\...\K62logri.ini, data 22->49 dropped 79 Detected FormBook malware 22->79 81 Tries to steal Mail credentials (via file access) 22->81 83 Tries to harvest and steal browser information (history, passwords, etc) 22->83 89 2 other signatures 22->89 32 cmd.exe 1 22->32         started        85 Injects a PE file into a foreign processes 26->85 34 7nolpbwpw2phwdhp.exe 26->34         started        37 7nolpbwpw2phwdhp.exe 26->37         started        39 7nolpbwpw2phwdhp.exe 28->39         started        87 Tries to detect virtualization through RDTSC time measurements 30->87 41 7nolpbwpw2phwdhp.exe 30->41         started        signatures14 process15 signatures16 43 conhost.exe 32->43         started        61 Modifies the context of a thread in another process (thread injection) 34->61 63 Maps a DLL or memory area into another process 34->63 65 Sample uses process hollowing technique 34->65 process17
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 11:55:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

FormBook

Executable exe 0cd37496a09d3516103a2ba627f8c4bc9ba2eb99b0618d719a3fa9d708b9862d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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