MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb5a90845a71261e24e098d49e4878b8672dc0e6a29ba1ef79a52ad824fe37fa. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: fb5a90845a71261e24e098d49e4878b8672dc0e6a29ba1ef79a52ad824fe37fa
SHA3-384 hash: ccca330268f2e048e6ff22f3a1aee5120b982b31d2fba4fab948a04446eae5db573e142bd532ec7de32c6fdbe82d2e12
SHA1 hash: 6dafc19be59f1f5a7cb450f7b1695d927c5b9da9
MD5 hash: 967e06d953f53d1df33f2479b85e117b
humanhash: oranges-north-bulldog-echo
File name:invoice and packing list.exe
Download: download sample
Signature Formbook
File size:775'168 bytes
First seen:2022-08-30 13:31:40 UTC
Last seen:2022-08-31 09:13:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:MZ4t0F75eV2I4KG3K+ipxnG6DvMPE/PIazWs9OZWdpgYpaKmHazIqToFm2+oY3x6:MZ4WZ54fBhGSQE/PzWk0WnHpaKj0qToY
Threatray 14'524 similar samples on MalwareBazaar
TLSH T195F4CF9D720076EFC857C932CAA86D60E6317A7B431BC343945362ED9A4C6ABCF151F2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 5fb863cf9890b626 (14 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
invoice and packing list.exe
Verdict:
Malicious activity
Analysis date:
2022-08-30 13:34:10 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 693203 Sample: invoice and packing list.exe Startdate: 30/08/2022 Architecture: WINDOWS Score: 100 39 www.expectedclosure.one 2->39 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 11 other signatures 2->53 9 invoice and packing list.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\wmluqZhdJWFA.exe, PE32 9->31 dropped 33 C:\Users\...\wmluqZhdJWFA.exe:Zone.Identifier, ASCII 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpD55E.tmp, XML 9->35 dropped 37 C:\Users\...\invoice and packing list.exe.log, ASCII 9->37 dropped 59 Writes to foreign memory regions 9->59 61 Adds a directory exclusion to Windows Defender 9->61 63 Injects a PE file into a foreign processes 9->63 13 RegSvcs.exe 9->13         started        16 powershell.exe 24 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 73 Modifies the context of a thread in another process (thread injection) 13->73 75 Maps a DLL or memory area into another process 13->75 77 Sample uses process hollowing technique 13->77 79 Queues an APC in another process (thread injection) 13->79 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 41 natroredirect.natrocdn.com 85.159.66.93, 49730, 80 CIZGITR Turkey 20->41 43 www.blackyaga.xyz 20->43 45 redirect.natrocdn.com 20->45 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 28 raserver.exe 13 20->28         started        signatures11 process12 signatures13 65 Tries to steal Mail credentials (via file / registry access) 28->65 67 Tries to harvest and steal browser information (history, passwords, etc) 28->67 69 Modifies the context of a thread in another process (thread injection) 28->69 71 Maps a DLL or memory area into another process 28->71
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-08-30 09:56:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
24 of 41 (58.54%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
c60e7031a42930f55fb75595dfdd24a1e5acd099a9dd2f79ec8c9ddc25268239
MD5 hash:
df9967a6bb9f130f78d196a0ffdd2ee0
SHA1 hash:
1dd413bcaac09ac74605f745ae1bb853605220b8
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
c5024f2dfa0f8e5643cf276b1134914e8bb7661feaa091d4f61c2df1823a2574
MD5 hash:
7a24422c9fe6d022fce168171c6bf425
SHA1 hash:
902d1fa63182227611f3c7b0b8450ce0fbc798d2
SH256 hash:
4f6157672c687c6704c6ce7056aaa8e731ed6e33c1cb955eacfbbf783a49c5a8
MD5 hash:
993b3755fcb415bcb198e83fa7f4a8a9
SHA1 hash:
83c92c4680039766bc5ccd738f8bc8d340e1bfda
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
fb5a90845a71261e24e098d49e4878b8672dc0e6a29ba1ef79a52ad824fe37fa
MD5 hash:
967e06d953f53d1df33f2479b85e117b
SHA1 hash:
6dafc19be59f1f5a7cb450f7b1695d927c5b9da9
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 fb5a90845a71261e24e098d49e4878b8672dc0e6a29ba1ef79a52ad824fe37fa

(this sample)

Comments