MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1847e8de135d28fcb37ace0a43ed8f0f672e68fad31c5b6aea53fb79bde06a93. 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 4 File information Comments

SHA256 hash: 1847e8de135d28fcb37ace0a43ed8f0f672e68fad31c5b6aea53fb79bde06a93
SHA3-384 hash: 9ecaf06f053959200f2463675ec786e93f7955f8826b8cbe4a5e48124d842f9d304ab44f7c71d0ca9eacad7e8993acd5
SHA1 hash: b397a7f23d317d0ddf8986bece55536c54eeaee4
MD5 hash: 56bce15094db3959bfe65523db929731
humanhash: whiskey-cat-charlie-november
File name:SOA.exe
Download: download sample
Signature Formbook
File size:1'097'728 bytes
First seen:2022-03-22 07:23:30 UTC
Last seen:2022-03-22 18:57:46 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 24576:H4kxRmVEtsf7HwxQs7dB9EjZbCYUKgHdbPjUPT:HXKECEO8dPUo9bPjW
Threatray 11'500 similar samples on MalwareBazaar
TLSH T11435F8AD711472EFCC27C1718A648C74F6117CBB632B490A90973B9A6E3E487DF540BA
File icon (PE):PE icon
dhash icon d4d4d4d4d4d4c4c4 (15 x AgentTesla, 10 x Formbook, 1 x SnakeKeylogger)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence


File Origin
# of uploads :
7
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Setting a keyboard event handler
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe keylogger obfuscated packed replace.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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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
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: 593935 Sample: SOA.exe Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 43 www.shamta.net 2->43 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 11 other signatures 2->55 11 SOA.exe 6 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\hguKkJiNwdYF.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpD6B1.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 11->41 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Installs a global keyboard hook 11->63 65 2 other signatures 11->65 15 SOA.exe 11->15         started        18 schtasks.exe 1 11->18         started        20 SOA.exe 11->20         started        22 SOA.exe 11->22         started        signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 15->75 77 Maps a DLL or memory area into another process 15->77 79 Sample uses process hollowing technique 15->79 81 Queues an APC in another process (thread injection) 15->81 24 explorer.exe 15->24 injected 28 conhost.exe 18->28         started        process9 dnsIp10 45 ghs.googlehosted.com 172.217.168.19, 49785, 80 GOOGLEUS United States 24->45 47 www.vivimendes.com 24->47 57 System process connects to network (likely due to code injection or exploit) 24->57 30 wlanext.exe 24->30         started        signatures11 process12 signatures13 67 Self deletion via cmd delete 30->67 69 Modifies the context of a thread in another process (thread injection) 30->69 71 Maps a DLL or memory area into another process 30->71 73 Tries to detect virtualization through RDTSC time measurements 30->73 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-22 07:11:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:brq4 loader rat
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
9eb66ba33e6929dc8f394fce4ed15ad120386cc7bcbc1e3cacf2ab171a8cf5c4
MD5 hash:
4dcb380a72a4303030f334c4ebcea173
SHA1 hash:
3c04dcf6f8485b32ce0800f97e2df97963493400
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
98dfe8a9854ac7d4dd88b0730f832c926c7195068b44470319c157a925497d1c
MD5 hash:
d5611a41b895e6011d60e76779b375c0
SHA1 hash:
6ae15bbefba738fd74e406a0fbcb1dbb65128ac4
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
1847e8de135d28fcb37ace0a43ed8f0f672e68fad31c5b6aea53fb79bde06a93
MD5 hash:
56bce15094db3959bfe65523db929731
SHA1 hash:
b397a7f23d317d0ddf8986bece55536c54eeaee4
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

6e1c84c35fca1837045141643b3727a7413fa0a3b9035802b8a1e75c38318975

Formbook

Executable exe 1847e8de135d28fcb37ace0a43ed8f0f672e68fad31c5b6aea53fb79bde06a93

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6e1c84c35fca1837045141643b3727a7413fa0a3b9035802b8a1e75c38318975

Comments