MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2217ef18ea04be3cbd80595523b4a6c615107fd51f10ea20193e523fe4a8f09c. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 2217ef18ea04be3cbd80595523b4a6c615107fd51f10ea20193e523fe4a8f09c
SHA3-384 hash: d94985197f441e2c23c2ba832ea3a97fc7abd25e3bf1715ec130c5ea83e62bf35f8b5dcc92bf6cb465c4b2f8f3480d40
SHA1 hash: fb2e80fcfaa47dfd1cb1064605cfd4835e1ba2ac
MD5 hash: d2443a5d72c8b65ce139d9944143ee9e
humanhash: pennsylvania-single-jig-jig
File name:MEDUAE670644.exe
Download: download sample
Signature Formbook
File size:780'800 bytes
First seen:2022-03-21 07:53:07 UTC
Last seen:2022-03-21 08:01:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:XwFUc4pY3uFecIEf6zUHXdx1Hu53lzPRHoZTK0864VqnZgxYu8o1LE8pH7J:XlpYXVo2iu8IXpH9
Threatray 14'365 similar samples on MalwareBazaar
TLSH T145F418BD715472FFC837C1728A945C64F650A8EB630B4907A4971B9A9D0F4CBEF840BA
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
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
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook obfuscated packed replace.exe update.exe
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
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
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
PE file contains section with special chars
PE file has nameless sections
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593494 Sample: MEDUAE670644.exe Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 8 other signatures 2->38 10 MEDUAE670644.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\MEDUAE670644.exe.log, ASCII 10->30 dropped 44 Tries to detect virtualization through RDTSC time measurements 10->44 46 Injects a PE file into a foreign processes 10->46 48 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->48 14 MEDUAE670644.exe 10->14         started        17 MEDUAE670644.exe 10->17         started        19 MEDUAE670644.exe 10->19         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 21 explorer.exe 14->21 injected process8 process9 23 control.exe 21->23         started        signatures10 40 Self deletion via cmd delete 23->40 42 Tries to detect virtualization through RDTSC time measurements 23->42 26 cmd.exe 1 23->26         started        process11 process12 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-21 07:54:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:p9iu loader rat suricata
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
23449e1bdba1fe99aabd678d217ae387a6aa3df8c6a767582918d09556f28aaf
MD5 hash:
b56759116088256baf231f5b3dd50495
SHA1 hash:
f3f5314a2094378518e03471d756b9f5a1f9d1d3
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
2217ef18ea04be3cbd80595523b4a6c615107fd51f10ea20193e523fe4a8f09c
MD5 hash:
d2443a5d72c8b65ce139d9944143ee9e
SHA1 hash:
fb2e80fcfaa47dfd1cb1064605cfd4835e1ba2ac
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 2217ef18ea04be3cbd80595523b4a6c615107fd51f10ea20193e523fe4a8f09c

(this sample)

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