MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ac44dc383dae0c5f2b110fe6e8c855db874582f828eb07ae6fa925644ee36bb. 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: 4ac44dc383dae0c5f2b110fe6e8c855db874582f828eb07ae6fa925644ee36bb
SHA3-384 hash: dd113cdfa52e3c626549913d6cd17b9bfa28ca96e4e1fe69f7c7d43c34ce9fa17b96b929e11d1b63c3ab290b9713f91d
SHA1 hash: b2c527925f8540fbd6ac317cac43a3033900cca3
MD5 hash: 2b6d033b2d1af4b5221eb6a5f7663803
humanhash: london-nebraska-louisiana-zulu
File name:invoice and packing list.exe
Download: download sample
Signature Formbook
File size:890'368 bytes
First seen:2022-08-29 17:02:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:pEQAs1eoPkYXzG4dZ1Knw4uITikAGBekIN+65GSvPAf4nCQFgPwqoXY+mzoRtAYM:nrjzGsOwtKSyf7QFXY+mzo3AYFG
Threatray 14'289 similar samples on MalwareBazaar
TLSH T1CB15123133E8A16BE86849F81129A585A3F02C75DCAEC7DCFCDA269E94B57C427013D7
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)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
514
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
invoice and packing list.exe
Verdict:
Malicious activity
Analysis date:
2022-08-29 17:05:11 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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: 692552 Sample: invoice and packing list.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 37 www.blackyaga.xyz 2->37 39 www.expectedclosure.one 2->39 41 2 other IPs or domains 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 13 other signatures 2->49 9 invoice and packing list.exe 7 2->9         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\uQRLkcg.exe, PE32 9->29 dropped 31 C:\Users\user\...\uQRLkcg.exe:Zone.Identifier, ASCII 9->31 dropped 33 C:\Users\user\AppData\Local\...\tmpB098.tmp, XML 9->33 dropped 35 C:\Users\...\invoice and packing list.exe.log, ASCII 9->35 dropped 51 Writes to foreign memory regions 9->51 53 Allocates memory in foreign processes 9->53 55 Adds a directory exclusion to Windows Defender 9->55 57 Injects a PE file into a foreign processes 9->57 13 RegSvcs.exe 9->13         started        16 powershell.exe 21 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 13->63 65 Maps a DLL or memory area into another process 13->65 67 Sample uses process hollowing technique 13->67 69 Queues an APC in another process (thread injection) 13->69 20 explorer.exe 13->20 injected 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process9 process10 26 cmmon32.exe 20->26         started        signatures11 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-29 14:42:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
c60e7031a42930f55fb75595dfdd24a1e5acd099a9dd2f79ec8c9ddc25268239
MD5 hash:
df9967a6bb9f130f78d196a0ffdd2ee0
SHA1 hash:
1dd413bcaac09ac74605f745ae1bb853605220b8
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6a3d3ab11f1503de62de8eb649d447a0d8345ae6631a706a3c7b2d1af9f31fec
MD5 hash:
baa7a5cd6a3ea6c0b7b797c4ab78b6a3
SHA1 hash:
e1d6c79ec1e560e546f836f61ac8b67102d5936a
SH256 hash:
c45a3dae97e5e635a567df02635fe941af384f35cc993d4e52a57fa4f4026b3e
MD5 hash:
966c65a2893f62df72494272d810448f
SHA1 hash:
de82f765123b6ed954996603b663e9bac36acfb6
SH256 hash:
b6584b399575af96f4a733ab69567ade3f169f73fe619b129c30f92b22b914fc
MD5 hash:
8f56f981e7fdde60e7c8c4cd685ed736
SHA1 hash:
a675a50f34907197b456aaeefa6cad20f2aa422c
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
4ac44dc383dae0c5f2b110fe6e8c855db874582f828eb07ae6fa925644ee36bb
MD5 hash:
2b6d033b2d1af4b5221eb6a5f7663803
SHA1 hash:
b2c527925f8540fbd6ac317cac43a3033900cca3
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.

  
Delivery method
Other

Comments