MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb. 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 2 File information Comments

SHA256 hash: 2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
SHA3-384 hash: e705f03939adbc5d39b68539e90a211119ddee6387b8613de8b6803a924d7a86ffd7f25077e904ef575f135b5e01e8e9
SHA1 hash: edc3d4533f20a253147c332628810f0d45467380
MD5 hash: ce531520070e202c3bbe59f6d0204220
humanhash: mockingbird-nitrogen-item-freddie
File name:y3LkqkBrxGCqXIr.exe
Download: download sample
Signature Formbook
File size:1'153'536 bytes
First seen:2022-03-18 16:03:00 UTC
Last seen:2022-03-18 17:57:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:XVDMwf9F0W8bv6rprBl9Gh2QROKjY1QF+y0QnVB+Ye1nC:XVDLVmW26rpNlshnRO/QMy0QVYZC
Threatray 12'701 similar samples on MalwareBazaar
TLSH T13235125462B446B6E67DE3F8A005508443F26177C0ABE34F2FDDB1DE2E72701857AA2B
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit formbook obfuscated packed
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
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)
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: 592162 Sample: y3LkqkBrxGCqXIr.exe Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 33 www.171341.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 y3LkqkBrxGCqXIr.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\y3LkqkBrxGCqXIr.exe.log, ASCII 11->31 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 y3LkqkBrxGCqXIr.exe 11->15         started        18 y3LkqkBrxGCqXIr.exe 11->18         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 20 explorer.exe 15->20 injected process9 dnsIp10 35 telarte-ceramicas.com 173.231.242.105, 49725, 80 INMOTI-1US United States 20->35 37 www.hamiltonrealestate.online 209.17.116.163, 49727, 80 DEFENSE-NETUS United States 20->37 39 6 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 wscript.exe 20->24         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 24->51 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-18 16:03:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:wdc8 loader rat suricata
Behaviour
Modifies data under HKEY_USERS
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
6ff21c090296e9fd3ec2b17e03e184e2396adf4013b2a4f4c9dea5bd7aff38f7
MD5 hash:
7c3fb3e3d91e338ae917c4cb46895e71
SHA1 hash:
ba577b8ccb3c6bbc5e9e3a838aec98859cd4dbaa
SH256 hash:
712b199d3b365ee95fe5acdac3a98ea55ca07a241a6c94391d89660bf084937d
MD5 hash:
e48d48fb7f367d7d1e686bc76680b024
SHA1 hash:
6b08da6331db1a4de5af0d1b987a4c22f82d1a9e
SH256 hash:
ac7e82b64d7edcab7d4b9ec95f692064df348ec831e7d8eec70901b82d7947c6
MD5 hash:
981b23210786660719d6648c68f3bba9
SHA1 hash:
66acdff418e3555c0fb9347242e77eda5184c0e2
SH256 hash:
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
MD5 hash:
ce531520070e202c3bbe59f6d0204220
SHA1 hash:
edc3d4533f20a253147c332628810f0d45467380
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 2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments