MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e1bc313ff31d0fc14887101ce4d37e9bdaf7c3b1f4a3687a9b2fcc792fa7548. 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 3 File information Comments 1

SHA256 hash: 3e1bc313ff31d0fc14887101ce4d37e9bdaf7c3b1f4a3687a9b2fcc792fa7548
SHA3-384 hash: eb6ee3377c46e8c1629eb4503225d27ec90fb34ddc05ffddf687f137d4a6b624fb94e956b0044cb5e62bacea9fd6b14e
SHA1 hash: d57d1cb3828a2d58fb0dcef70792c4df8af47536
MD5 hash: d0e4e9f28ea09dc47d53cd9da0bfde22
humanhash: blossom-pluto-pluto-lake
File name:d0e4e9f28ea09dc47d53cd9da0bfde22
Download: download sample
Signature Formbook
File size:518'656 bytes
First seen:2021-11-24 20:13:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:NmsrrvGriCsxSFUixa7Opt1Kn40EcaNcVwS/h8Y7d:MNDUOt1aP3fp
Threatray 11'767 similar samples on MalwareBazaar
TLSH T198B4F1243A63D9A2E4A4277BC9CE51840370B9057A83D72F7C9D332D6D167E36B10ADB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d0e4e9f28ea09dc47d53cd9da0bfde22
Verdict:
Malicious activity
Analysis date:
2021-11-24 20:18:06 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Sample uses process hollowing technique
Self deletion via cmd delete
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 528225 Sample: 8M5ZqXSa28 Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 31 www.maxflowo2.net 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 9 other signatures 2->45 11 8M5ZqXSa28.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\8M5ZqXSa28.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 8M5ZqXSa28.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.britrex.com 173.239.5.6, 49806, 80 WEBAIR-INTERNETUS United States 18->33 35 bullaestetica.com 192.185.129.44, 49779, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 10 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 wscript.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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:
2021-11-24 20:14:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:c28n loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.alou-mall.com/c28n/
Unpacked files
SH256 hash:
0dfeb0beb47168b0f5a6d0a2d3668daa6287e2a9fe962b290f460fc2bb03b8b5
MD5 hash:
bc01bb0bde647270737d5af89949a81a
SHA1 hash:
21058d850a2410bd6335518aae13ce1ba1d47176
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
302ac54c94e8bdb12b7fdaeef76e2b936e0294ea5b1ced38c6da51ef50c3067e
MD5 hash:
d1a58ca8f82c480763bfa3205e80b770
SHA1 hash:
7b23287d165b2dae07ead2625bd4e1e525d27a1b
SH256 hash:
104f9053eb4d904b9b952a55e00a8fd6319ceb91e2933e23537a2be43119efef
MD5 hash:
3a9afa3ed6943c82b611b8e8a22845be
SHA1 hash:
2737b2729c29017dc166e213d33b5b4f0cd51b34
SH256 hash:
3e1bc313ff31d0fc14887101ce4d37e9bdaf7c3b1f4a3687a9b2fcc792fa7548
MD5 hash:
d0e4e9f28ea09dc47d53cd9da0bfde22
SHA1 hash:
d57d1cb3828a2d58fb0dcef70792c4df8af47536
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: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.

Web download

Formbook

Executable exe 3e1bc313ff31d0fc14887101ce4d37e9bdaf7c3b1f4a3687a9b2fcc792fa7548

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-24 20:13:16 UTC

url : hxxp://binatonezx.tk/urchzx.exe