MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
SHA3-384 hash: 0a8d6593301f30656633697a89abd7c85a8383457d10764143c41912d11293a99840e1ca43e41b4dd8b15d282f99c46b
SHA1 hash: 066b7a3e571329460a8b157b17c11872191957f9
MD5 hash: 08fe1c8eb54d7b29dfe91ace5ef7f238
humanhash: failed-nitrogen-venus-undress
File name:PO.exe
Download: download sample
Signature Formbook
File size:1'001'984 bytes
First seen:2022-03-08 13:28:45 UTC
Last seen:2022-03-09 09:58:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:QSSfv6NgDS8oEaKb9U32YhFqZZqjkEYf1qe3yVH:QgwEu9U32iMZgC1qL
Threatray 12'971 similar samples on MalwareBazaar
TLSH T1B025C01099EA503BF53A6AA51BC1AD7709D3B96E4014E0BE2C5CCA884FD077D9DC1FB2
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
4
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 585054 Sample: PO.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 31 www.mindsetolimpionico.com 2->31 33 www.lifescreativeflow.com 2->33 35 2 other IPs or domains 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 7 other signatures 2->49 11 PO.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\PO.exe.log, ASCII 11->29 dropped 61 Writes to foreign memory regions 11->61 63 Allocates memory in foreign processes 11->63 65 Injects a PE file into a foreign processes 11->65 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.super-trade.online 87.236.16.241, 49755, 80 BEGET-ASRU Russian Federation 18->37 39 www.wsparalegal.com 18->39 41 2 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses ipconfig to lookup or modify the Windows network settings 18->53 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-08 13:29:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:yrcy loader rat suricata
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c65a6af5fa8719686bd9fb55055ee825ec87b5e4adf7e58baa5676b45600ea7e
MD5 hash:
152b5fcf2580b07523200858789d1abc
SHA1 hash:
db90e619c454ed44bc97bd0e057d572e82c67cf7
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
51c7c4902c4ceaa3c80cf04d4b732d46062f0e84a2bd920defff49888a17f550
MD5 hash:
77c00f89fc9e28baf89bd26ff14d93c1
SHA1 hash:
adc7286c8abc3d838c3cc97a48fdc225ccec4f4b
SH256 hash:
4bd93e5aabe0d3ed7a20d7bc1efc38f09c3b6d986f62501b6c45e09acdb33b2a
MD5 hash:
c0138d95de67b762e761e6567594edd6
SHA1 hash:
a45092203cefb1e72b2639b5bbc16dadf8d876e0
SH256 hash:
175285bfa8a73b3990f54994b8825c1f3396635bc344939cd8d9fc60b9569b46
MD5 hash:
f26eb90c6addfc99fa0c2e63896216d2
SHA1 hash:
77e01b96d8c211d4d24fc0a1aae91122caf5f668
SH256 hash:
417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5
MD5 hash:
08fe1c8eb54d7b29dfe91ace5ef7f238
SHA1 hash:
066b7a3e571329460a8b157b17c11872191957f9
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: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 417c951fb4d744d1446011b1e2e36e76d450801fa8072d72ea600d323d03a8c5

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments