MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6fb6937cf1cdf0d1c89ba807e43754a2d06754cd820992dc0b91cb61540cf547. 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
| SHA256 hash: | 6fb6937cf1cdf0d1c89ba807e43754a2d06754cd820992dc0b91cb61540cf547 |
|---|---|
| SHA3-384 hash: | 2e83161281fd6664ddd9c3cc17c163027a2f35a0e0becdfdf0c6e9d173ab992e4aa122bbfba7e3d8cb3866b9787857fa |
| SHA1 hash: | 16a39bd24330750a6f9be68992d0ae38ff7978f2 |
| MD5 hash: | 42a13638ebf12f6bb46afc243ecc6e47 |
| humanhash: | comet-tango-venus-ten |
| File name: | 10008003 NA-HRI.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 594'432 bytes |
| First seen: | 2020-10-09 06:28:24 UTC |
| Last seen: | 2020-10-09 08:02:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:WNAzAxMD/xsTUiPGObCbG3ywm8eVPbVSCt++mbcMSM4FzGuyFj:B7D/0KOeK3ywm7kCt0R4hGfFj |
| Threatray | 2'373 similar samples on MalwareBazaar |
| TLSH | C0C4220555AE532AC82D0FF0C2F911185335E31AA957F30F1C89B5FA8EDB7E28A80E57 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:From: nahmad@olayandescon.com
Subject: rfq Offer Required Urgently
Attachment: RFQ.Offer Required-Urgently.rar (contains "10008003 NA-HRI.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP 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
.NET source code contains potential unpacker
Benign windows process drops PE files
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-09 05:27:54 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
netwirerc
Similar samples:
+ 2'363 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.caperm.info/vrf/
Unpacked files
SH256 hash:
e4bc468d22d364163ccf6b31f60a5447f741b333bc07a6b7ca7271581fcfe2cf
MD5 hash:
99f4dae802b098be4084a2b29b12570d
SHA1 hash:
58ac24fe359fcae11b1fd9d7fb59b3a561dec7b9
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
83afd9e2d84097a218c64beb40710458d280a5010020f933a271becba05d00ef
MD5 hash:
0281bd3a09dbba7ac5d2a70bb95de0ac
SHA1 hash:
2e32c36e9c1f93ba0dc76fda16eb79dc60e78244
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
6fb6937cf1cdf0d1c89ba807e43754a2d06754cd820992dc0b91cb61540cf547
MD5 hash:
42a13638ebf12f6bb46afc243ecc6e47
SHA1 hash:
16a39bd24330750a6f9be68992d0ae38ff7978f2
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Password Stealer
Score:
0.90
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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