MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70267d6003a3affc178287d8be8256fe6d41ac0e1110803f866523c76bdeca30. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 70267d6003a3affc178287d8be8256fe6d41ac0e1110803f866523c76bdeca30
SHA3-384 hash: d489f042d3ccacb41bb19ece3acfdf533255b4e616fdd15862e52f440488db304311045a6e8d5b965fa2ed233fc1fcc4
SHA1 hash: 618d04be8aa11ef631c919c29df275b390fe46c0
MD5 hash: 5773e8fe3191b5d9e24672f1e079b495
humanhash: red-hot-december-fix
File name:5773e8fe3191b5d9e24672f1e079b495.exe
Download: download sample
Signature FormBook
File size:1'006'080 bytes
First seen:2022-06-19 10:22:39 UTC
Last seen:2022-06-19 10:45:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d1463aeb825b912041c8f0d1d612eb9 (1 x RemcosRAT, 1 x FormBook)
ssdeep 12288:iKynf2VeYi5VicuRYyIIlEjAogwj2mVZj8Vu458+dZHcFE3ynAEc5:iF0vk3uRl7sdsmfj8Rd52EUAEc
TLSH T1CC25AF22B1D24877F533293C9D5B5368692ABDD32D347A462BE82C4C5F3A7913839393
TrID 61.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
24.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
10.7% (.OCX) Windows ActiveX control (116521/4/18)
1.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.2% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon e0c4a2a6a4bcbcf8 (12 x RemcosRAT, 6 x DBatLoader, 4 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger 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.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected FormBook malware
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 648347 Sample: KsbIZsoOW9.exe Startdate: 19/06/2022 Architecture: WINDOWS Score: 100 51 www.ahzfkg.com 2->51 93 Snort IDS alert for network traffic 2->93 95 Multi AV Scanner detection for domain / URL 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 8 other signatures 2->99 11 KsbIZsoOW9.exe 1 17 2->11         started        signatures3 process4 dnsIp5 59 prk3pg.am.files.1drv.com 11->59 61 onedrive.live.com 11->61 63 am-files.fe.1drv.com 11->63 47 C:\Users\Public\Libraries\Fjflodxleo.exe, PE32 11->47 dropped 49 C:\Users\...\Fjflodxleo.exe:Zone.Identifier, ASCII 11->49 dropped 125 Writes to foreign memory regions 11->125 127 Allocates memory in foreign processes 11->127 129 Creates a thread in another existing process (thread injection) 11->129 131 Injects a PE file into a foreign processes 11->131 16 DpiScaling.exe 11->16         started        file6 signatures7 process8 signatures9 77 Modifies the context of a thread in another process (thread injection) 16->77 79 Maps a DLL or memory area into another process 16->79 81 Sample uses process hollowing technique 16->81 83 2 other signatures 16->83 19 explorer.exe 2 16->19 injected process10 dnsIp11 53 td-balancer-199-15-163-128.wixdns.net 199.15.163.128, 49822, 49827, 49828 INNOVATIVE-NETWORKSUS United States 19->53 55 www.nursingschoolgrants.com 155.159.71.138, 49852, 49853, 49854 CLAYERLIMITED-AS-APClayerLimitedHK South Africa 19->55 57 10 other IPs or domains 19->57 101 System process connects to network (likely due to code injection or exploit) 19->101 103 Performs DNS queries to domains with low reputation 19->103 23 cmd.exe 18 19->23         started        27 Fjflodxleo.exe 15 19->27         started        30 Fjflodxleo.exe 15 19->30         started        32 2 other processes 19->32 signatures12 process13 dnsIp14 43 C:\Users\user\AppData\...\1Q8logrv.ini, data 23->43 dropped 45 C:\Users\user\AppData\...\1Q8logri.ini, data 23->45 dropped 105 Detected FormBook malware 23->105 107 Tries to steal Mail credentials (via file / registry access) 23->107 109 Tries to harvest and steal browser information (history, passwords, etc) 23->109 123 2 other signatures 23->123 34 cmd.exe 2 23->34         started        65 prk3pg.am.files.1drv.com 27->65 67 onedrive.live.com 27->67 69 am-files.fe.1drv.com 27->69 111 Machine Learning detection for dropped file 27->111 113 Writes to foreign memory regions 27->113 115 Allocates memory in foreign processes 27->115 37 DpiScaling.exe 27->37         started        71 prk3pg.am.files.1drv.com 30->71 73 onedrive.live.com 30->73 75 am-files.fe.1drv.com 30->75 117 Creates a thread in another existing process (thread injection) 30->117 119 Injects a PE file into a foreign processes 30->119 39 DpiScaling.exe 30->39         started        121 Tries to detect virtualization through RDTSC time measurements 32->121 file15 signatures16 process17 signatures18 85 Tries to harvest and steal browser information (history, passwords, etc) 34->85 41 conhost.exe 34->41         started        87 Modifies the context of a thread in another process (thread injection) 37->87 89 Maps a DLL or memory area into another process 37->89 91 Sample uses process hollowing technique 37->91 process19
Threat name:
Win32.Trojan.Hesv
Status:
Malicious
First seen:
2022-06-19 10:23:13 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:formbook family:modiloader campaign:ab58 persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook Payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
70267d6003a3affc178287d8be8256fe6d41ac0e1110803f866523c76bdeca30
MD5 hash:
5773e8fe3191b5d9e24672f1e079b495
SHA1 hash:
618d04be8aa11ef631c919c29df275b390fe46c0
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information


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

Web download

FormBook

Executable exe 70267d6003a3affc178287d8be8256fe6d41ac0e1110803f866523c76bdeca30

(this sample)

  
Delivery method
Distributed via web download

Comments