MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06590d9c81caf0a4855c2a31c7bbe55a4646ffcb24cb165278e0495b3cf8a250. 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 4 File information Comments 1

SHA256 hash: 06590d9c81caf0a4855c2a31c7bbe55a4646ffcb24cb165278e0495b3cf8a250
SHA3-384 hash: aa051fe06e9a501e0ff4fcae769b05ce279c271f854390e089920d29b31ba10c9ee8625d05cac329a953b1b955840fe6
SHA1 hash: 66914ff967f707edd08ec7514a6e15031948cba2
MD5 hash: 8bc4cfe5461872b3ed2dc7b97d723649
humanhash: speaker-alabama-november-romeo
File name:8bc4cfe5461872b3ed2dc7b97d723649
Download: download sample
Signature Formbook
File size:1'315'840 bytes
First seen:2021-12-06 11:54:25 UTC
Last seen:Never
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:kdILP883x+54/KRTKJhvcgpyFiaF+pgJEQJgQ:kGLP88g5gKRT+h0HMaF42F
Threatray 12'061 similar samples on MalwareBazaar
TLSH T137555A5C317025AFE83A853159541F379EF12C7E866B93CE7307305B8ABD9868F242E9
File icon (PE):PE icon
dhash icon 86e8c0c8ccd89ce6 (18 x AgentTesla, 18 x Formbook, 8 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8bc4cfe5461872b3ed2dc7b97d723649
Verdict:
Malicious activity
Analysis date:
2021-12-06 12:16:24 UTC
Tags:
n/a

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

Behaviour
Searching for the window
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
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
Performs DNS queries to domains with low reputation
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: 534708 Sample: evS8W7Rz7I Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 33 www.lzgirlz.com 2->33 35 www.almashrabia.net 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 11 evS8W7Rz7I.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\evS8W7Rz7I.exe.log, ASCII 11->31 dropped 65 Tries to detect virtualization through RDTSC time measurements 11->65 67 Injects a PE file into a foreign processes 11->67 69 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->69 15 evS8W7Rz7I.exe 11->15         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.flydubaime.com 213.186.33.5, 49812, 80 OVHFR France 18->39 41 www.recbi56ni.com 63.250.42.132, 49772, 80 NAMECHEAP-NETUS United States 18->41 43 11 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 55 Performs DNS queries to domains with low reputation 18->55 22 cmmon32.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 57 Self deletion via cmd delete 22->57 59 Modifies the context of a thread in another process (thread injection) 22->59 61 Maps a DLL or memory area into another process 22->61 63 Tries to detect virtualization through RDTSC time measurements 22->63 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-06 11:55:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:mwev 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.scion-go-getter.com/mwev/
Unpacked files
SH256 hash:
fdb256a562c32e4a299bf1ab5f38488bd78bd0c60abc3c5eafdbc08edc0dd584
MD5 hash:
91883215a201aa7f0d63bd23ae41d20b
SHA1 hash:
2a2b588671a2cdfe3d2968279690e3911a86cc09
SH256 hash:
a602eb9d5e03f6b1a85b773da9a21e721a063e8250c956948c631a75a1eed6ae
MD5 hash:
0a0f980c0a93331d0e28e91ddcf3d7fe
SHA1 hash:
d8942f341c5732c6c4ab874bea5c76a976918069
SH256 hash:
06590d9c81caf0a4855c2a31c7bbe55a4646ffcb24cb165278e0495b3cf8a250
MD5 hash:
8bc4cfe5461872b3ed2dc7b97d723649
SHA1 hash:
66914ff967f707edd08ec7514a6e15031948cba2
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 06590d9c81caf0a4855c2a31c7bbe55a4646ffcb24cb165278e0495b3cf8a250

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-06 11:54:26 UTC

url : hxxp://23.94.174.144/hxxp/vbc.exe