MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e777cdb4aed635f88e112d16986fb05a1c20c5b4683ae6dd76a7153a657c36e7. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: e777cdb4aed635f88e112d16986fb05a1c20c5b4683ae6dd76a7153a657c36e7
SHA3-384 hash: 9ba234e20a7af96db8f2e18ca5f7f1af7ecbffe163ee9c53373d4d9b6ae85b6ddd1b7bee8597e209d67b823821e0206e
SHA1 hash: d9cdefe9282d575e095d9bffe9c114b8691eaad6
MD5 hash: 2864cf5b7bc23705ad8bbaf79eed975c
humanhash: helium-river-ceiling-early
File name:DOC148.exe
Download: download sample
Signature Formbook
File size:1'062'400 bytes
First seen:2022-04-11 09:21:45 UTC
Last seen:2022-04-11 09:48:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:V8dBqCebfeuXVgOnZTgmMvdBcSTyAV0Xw:V8dBqCafeEVVZTgdBcSTyAV4w
Threatray 15'015 similar samples on MalwareBazaar
TLSH T1C335F1615B669583F2F9273180AADAF172F172864127F3ADBC88C2357FD1284D9413EE
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DOC148.exe
Verdict:
Malicious activity
Analysis date:
2022-04-11 09:47:22 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
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
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
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 606900 Sample: DOC148.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 33 www.ptmetaverse.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 8 other signatures 2->45 11 DOC148.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\DOC148.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 DOC148.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 signatures10 37 Uses netstat to query active network connections and open ports 18->37 21 NETSTAT.EXE 18->21         started        process11 dnsIp12 35 192.168.2.1 unknown unknown 21->35 47 Self deletion via cmd delete 21->47 49 Modifies the context of a thread in another process (thread injection) 21->49 51 Maps a DLL or memory area into another process 21->51 53 Tries to detect virtualization through RDTSC time measurements 21->53 25 cmd.exe 1 21->25         started        27 explorer.exe 2 157 21->27         started        signatures13 process14 process15 29 conhost.exe 25->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-11 09:22:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:inga loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
40c79c1389c65d04c9cb312c8289809ce29b608ac012a0340d47f3a38e605008
MD5 hash:
8f0fb0965ae5a62713154a5108c02b70
SHA1 hash:
5407d0e0646e663d9b0dc43804618cab796ac671
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
15fb0652dbbda223ff659aba56f76a6683a4ca84ebddce00f0ed9626a1ecc812
MD5 hash:
be3518387f94eaf9d37d80aa58661949
SHA1 hash:
280b7908a79ae02830114dae0592263c13ed32ad
SH256 hash:
e777cdb4aed635f88e112d16986fb05a1c20c5b4683ae6dd76a7153a657c36e7
MD5 hash:
2864cf5b7bc23705ad8bbaf79eed975c
SHA1 hash:
d9cdefe9282d575e095d9bffe9c114b8691eaad6
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:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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 e777cdb4aed635f88e112d16986fb05a1c20c5b4683ae6dd76a7153a657c36e7

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments