MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0
SHA3-384 hash: 3c61208e816fc9b3fdc0c098e9e888ea0cf60588c26eba46c07b7810d2b1c6f3a81d50088c5d3716f8105bd31d9c0823
SHA1 hash: 2c960252095bce6b2de024b9e1a7114d5ca8de55
MD5 hash: e045a1c03a7c10a04018920e7a5b656c
humanhash: pluto-asparagus-alanine-kentucky
File name:e045a1c03a7c10a04018920e7a5b656c.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:919'552 bytes
First seen:2021-01-15 06:42:43 UTC
Last seen:2021-01-15 09:12:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:B+oJ4ETIPjqpLwDTr6QMib44UqUlj6E37GWCp9oM9OnwdVnM1S:B7x8X6Y4Pifl9ofInM1
Threatray 3'367 similar samples on MalwareBazaar
TLSH BC157D419B91AB11F77C63FD24140061ABF2C76AF3E8EB6DFC81A0F66A52D1845FD482
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e045a1c03a7c10a04018920e7a5b656c.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-15 06:45:33 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/75daceeb-9aed-4694-9ddd-e7f2c04eec6c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112146/
Detection(s):
SecuriteInfo.com.ArtemisE045A1C03A7C.20229.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Creating a window
Result
Verdict:
SUSPICIOUS
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582181
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 340127 Sample: cc6uVGEpXT.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 35 www.valentinakasu.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 11 cc6uVGEpXT.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\cc6uVGEpXT.exe.log, ASCII 11->33 dropped 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 cc6uVGEpXT.exe 11->15         started        18 cc6uVGEpXT.exe 11->18         started        20 cc6uVGEpXT.exe 11->20         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 22 explorer.exe 15->22 injected process9 dnsIp10 37 remodelmemphis.com 34.102.136.180, 49767, 80 GOOGLEUS United States 22->37 39 bigbangmerch.com 160.153.136.3, 49757, 80 GODADDY-AMSDE United States 22->39 41 5 other IPs or domains 22->41 51 System process connects to network (likely due to code injection or exploit) 22->51 26 raserver.exe 22->26         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 26->53 55 Maps a DLL or memory area into another process 26->55 57 Tries to detect virtualization through RDTSC time measurements 26->57 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 06:43:07 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mi6gky42insfiybryxw3s6akxhf34xthcpijkgealxfn5wheewqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
04274b027d3bd09ec0d7b58ff5af64aa06e626668995cb5ef6d7fad939bc6c33
Formbook
12898cbec097104c225702c61e311cc6e12d0f4ac55b95a1eb41a812e6941748
Formbook
429cc06eefa31821417d3b4f6ec5a69a352513d739499af2c6e9bce39d6d0542
Formbook
7a39513f428374b50a41c8d30a1704906270005c4675db03d810f9970fd96bbf
Formbook
80d6f86936cc5e0190138c00ef2a03b2ec8abc19a1b2a7a0b3683e864f4fa982
Formbook
ab2d651176cc27c6b41e7d6bdb060c328d66e68c4fb8df1b2c0a217187b2c15d
Formbook
df8f7e81b9ccea1324a19fd1356c8fb79ea5623ba4095195f86c29f3816b5f7f
Formbook
e07c9d7c06c5ebc0b53aba5bb6c35edd07169401a08e016ca68fa5677db00370
Formbook
e98f391c97abc8da96024452a1792e3eb6c559e2a2fbf5ac930ae3d772d833f5
Formbook
f1ca0286fa691166ab71220ee3243bcfa4e73b17247e382edaf6c1590d50d3a2
Formbook
+ 3'357 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/210115-l7bdcdl8b6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Malware Config
C2 Extraction:
http://www.thesiromiel.com/kgw/
Unpacked files
SH256 hash:
b087a4c845235d514eb24a87f9af3c3f4171050906450d2d185e056caa4ba0f6
MD5 hash:
63ba6b8c7406b7c5af6526977517a7bf
SHA1 hash:
704e4e782aa010d23342b5bff350024a355c88d4
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/57f4093e-7749-4d7d-b259-98ba1d948561/
Parent samples :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 hash:
17475c6b3f74a223e8435b5cbe894a9bfe30de769501eecf064862d503bd9ac0
MD5 hash:
6ae2351458ab6a09ad562afe39741e21
SHA1 hash:
9dd74c2a3aa1f8f6a53928cf82c854442d3894ea
Link:
https://www.unpac.me/results/57f4093e-7749-4d7d-b259-98ba1d948561/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/57f4093e-7749-4d7d-b259-98ba1d948561/
SH256 hash:
623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0
MD5 hash:
e045a1c03a7c10a04018920e7a5b656c
SHA1 hash:
2c960252095bce6b2de024b9e1a7114d5ca8de55
Link:
https://www.unpac.me/results/57f4093e-7749-4d7d-b259-98ba1d948561/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0

File information

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

Web download

Formbook

Executable exe 623c65639a4364546031c5edb9780ab9cbbe5e6713d09518805dcaded8e425a0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/959950/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112146/

Comments