MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 527180636ac4a7c151b634a5a186241456525c5ddaeeba7f418c5650ca8b141c. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 527180636ac4a7c151b634a5a186241456525c5ddaeeba7f418c5650ca8b141c
SHA3-384 hash: 30435d64daceb25582b4b680abb957a294d24ee46f69578af4ebd82eb209d8a0d1d1b5b0c4c22a45f073c88f1c7f3c0d
SHA1 hash: 0846e4df5e9ed1d0c6e27a4c5484f61a09616ffa
MD5 hash: 262aa7dd0e3546a97cd6a9ef9ae67582
humanhash: arizona-idaho-white-mango
File name:wininit.exe
Download: download sample
Signature Formbook
File size:929'280 bytes
First seen:2022-08-22 14:23:14 UTC
Last seen:2022-08-22 14:45:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:4EvBme9DUtq8fJH6t8/RIB9lpit0MAML2:3r98q8D/RI7bG2
Threatray 13'858 similar samples on MalwareBazaar
TLSH T17215BE5CABA6C556DC6D0278E4A645F01222EC15F52AEF8FA1CBFDE93E323BD4481503
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4d4d4dc4c0507495 (7 x Loki, 6 x AgentTesla, 5 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
wininit.exe
Verdict:
Malicious activity
Analysis date:
2022-08-22 14:23:33 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
Searching for the window
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:
No Threat
Threat level:
  2/10
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
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
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)
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: 688106 Sample: wininit.exe Startdate: 22/08/2022 Architecture: WINDOWS Score: 100 37 www.expectedclosure.one 2->37 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 7 other signatures 2->51 8 wininit.exe 7 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\sDhtHEGvjefqAS.exe, PE32 8->29 dropped 31 C:\...\sDhtHEGvjefqAS.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmpA9A4.tmp, XML 8->33 dropped 35 C:\Users\user\AppData\...\wininit.exe.log, ASCII 8->35 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Writes to foreign memory regions 8->63 65 Allocates memory in foreign processes 8->65 67 2 other signatures 8->67 12 RegSvcs.exe 8->12         started        15 powershell.exe 25 8->15         started        17 schtasks.exe 1 8->17         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 12->69 71 Maps a DLL or memory area into another process 12->71 73 Queues an APC in another process (thread injection) 12->73 19 explorer.exe 12->19 injected 23 msdt.exe 12->23         started        25 conhost.exe 15->25         started        27 conhost.exe 17->27         started        process9 dnsIp10 39 natroredirect.natrocdn.com 85.159.66.93, 49721, 80 CIZGITR Turkey 19->39 41 www.blackyaga.xyz 19->41 43 redirect.natrocdn.com 19->43 53 System process connects to network (likely due to code injection or exploit) 19->53 55 Performs DNS queries to domains with low reputation 19->55 57 Modifies the context of a thread in another process (thread injection) 23->57 59 Maps a DLL or memory area into another process 23->59 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-22 14:21:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Gathers network information
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
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:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
SH256 hash:
6d1503e9ceb69eb37b2ad964dbf5cf527e297b0f2e21b637aacb7ba7927159ab
MD5 hash:
a328e03f9ff76a23987f24897e2287f7
SHA1 hash:
6692b820b2a82a5238c897ab7bcf26dd6b6a01aa
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
f6d3ea3dbdbf431af8f775766f797a25e47fd63fbbfb96f0d0e21b4fec96af0a
MD5 hash:
e4f83af754a5d0485807485d57554175
SHA1 hash:
06e3fd5fb48eb88b41a81afedbcc5e74cfb0622d
SH256 hash:
527180636ac4a7c151b634a5a186241456525c5ddaeeba7f418c5650ca8b141c
MD5 hash:
262aa7dd0e3546a97cd6a9ef9ae67582
SHA1 hash:
0846e4df5e9ed1d0c6e27a4c5484f61a09616ffa
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
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

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