MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e
SHA3-384 hash: a6d0ddae0e1b8e4197687d9b5e3a0c513e8dade98dab827c8b24468bbbefa2843d9ec5fdfd5597ca188e03c2d428fa6e
SHA1 hash: 21d633925f3b369879db8d6d151ac8c57ef599f8
MD5 hash: 3fd6a71c130a70ce4f42b759a358cc46
humanhash: hot-summer-apart-oregon
File name:slip.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:230'912 bytes
First seen:2020-08-10 09:58:45 UTC
Last seen:2020-08-10 11:07:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:EG90i7CrPQE+LHF8cXJOAa1ISXhX0PQimHFmzeQ:EkngPBO353a1/xX0PcQa
Threatray 4'900 similar samples on MalwareBazaar
TLSH F634E19B8FC06025FB966C3AC2D069B31393464EFF84F66953E507ED5DE0653F222218
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: cpanel716.webserver.sg
Sending IP: 103.104.196.130
From: byyam@te.my
Subject: BANK IN SLIP
Attachment: slip.zip (contains "slip.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42664/
Detection(s):
SecuriteInfo.com.Fareit-FVK3FD6A71C130A.23489.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Sending a UDP request
Launching cmd.exe command interpreter
Creating a window
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/416738
Signature
Benign windows process drops PE files
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 260793 Sample: slip.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 51 www.oleasalon.com 2->51 53 static-landers-df718b211b09a50c.elb.us-east-1.amazonaws.com 2->53 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Yara detected FormBook 2->65 67 2 other signatures 2->67 11 slip.exe 1 2->11         started        signatures3 process4 file5 49 C:\Users\user\AppData\Local\...\slip.exe.log, ASCII 11->49 dropped 81 Writes to foreign memory regions 11->81 83 Maps a DLL or memory area into another process 11->83 15 RegAsm.exe 11->15         started        signatures6 process7 signatures8 85 Modifies the context of a thread in another process (thread injection) 15->85 87 Maps a DLL or memory area into another process 15->87 89 Sample uses process hollowing technique 15->89 91 2 other signatures 15->91 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 55 www.funpexw.com 63.250.45.230, 49731, 80 NAMECHEAP-NETUS United States 18->55 57 www.sunlivetv.com 18->57 59 2 other IPs or domains 18->59 43 C:\Users\user\AppData\...\updatedtx4.exe, PE32 18->43 dropped 69 System process connects to network (likely due to code injection or exploit) 18->69 71 Benign windows process drops PE files 18->71 23 help.exe 1 17 18->23         started        27 updatedtx4.exe 2 18->27         started        29 updatedtx4.exe 1 18->29         started        31 updatedtx4.exe 1 18->31         started        file11 signatures12 process13 file14 45 C:\Users\user\AppData\...\8K1logrv.ini, data 23->45 dropped 47 C:\Users\user\AppData\...\8K1logri.ini, data 23->47 dropped 73 Detected FormBook malware 23->73 75 Tries to steal Mail credentials (via file access) 23->75 77 Tries to harvest and steal browser information (history, passwords, etc) 23->77 79 3 other signatures 23->79 33 cmd.exe 1 23->33         started        35 conhost.exe 27->35         started        37 conhost.exe 29->37         started        39 conhost.exe 31->39         started        signatures15 process16 process17 41 conhost.exe 33->41         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 10:00:12 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=llk2q6glkeajxrhjgvyfycq66ydfjci52fx6dh3sr42ewwvo74xa._file
Verdict:
malicious
Similar samples:
1f9fd019fecafc3fbe198147d78effb31ddcf7908536854e386a971602afe1c1
Formbook
8e2f9a1b23ade94b0803ea57ac92e916daad73d760f075fed8f1443715104531
Formbook
967360ebfc55336f03edccc32869b0e6b65c17e66fcdac083d4bcc185b852c0d
Formbook
9b2c6f08cd9a4e3b144422de4d540290542ce50239f2c85697a036a461b25264
Formbook
b042e4bdfe19df2aa474fd5e2294aecc9a07d447c96466db7a7e20316d885634
Formbook
b57c9384280389b262d09cb4fa5b5465aadd4aaba2afb6d48c5d6e7c3f8d923e
Formbook
d3e579b62c6877384f6ed9da7d86aea05ff6b881c141470ec7858fe9f0d992a9
Formbook
db976b273e92b605275bbe6c8590f3ef6687faa0effc351a35d15af1f8fc1c3a
Formbook
e04b0836667f55bcc1778c62761c99af52cb5c42c14cef3962531512def2944b
Formbook
e13acda03eb4829793beb5c0664d5752663b7ef5ae72b63724e7eaf189a9fec4
Formbook
+ 4'890 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook persistence evasion
Link:
https://tria.ge/reports/200810-t25g4jly8j/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
System policy modification
Suspicious behavior: MapViewOfSection
Suspicious use of SendNotifyMessage
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Reads user/profile data of web browsers
Adds policy Run key to start application
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

zip 4baff4aa424c45dbd075ad57b592bf2e7c1a9d97c43715fc5916e3086fe5f00d

Formbook

Executable exe 5ad5a878cb51009bc4e935705c0a1ef60654891dd16fe19f728f344b5aaeff2e

(this sample)

  
Dropped by
MD5 9950f046e18ac93520fe4c695e1c75f0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42664/
  
Dropped by
SHA256 4baff4aa424c45dbd075ad57b592bf2e7c1a9d97c43715fc5916e3086fe5f00d

Comments