MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9
SHA3-384 hash: 40008e705fed6bb2441b4ba4636ebe1afe70cb98110cca57a3a5b3cddc2e2d00cb018ab01de633a091a67768a8b8941d
SHA1 hash: f12abf5f129bda535202deaa57de12a4a915e722
MD5 hash: 33b660cc3ce2ca37210782ca30e394d6
humanhash: nitrogen-cardinal-white-king
File name:SecuriteInfo.com.W32.AIDetectNet.01.13102.10437
Download: download sample
Signature FormBook
Create hunting rule
File size:463'360 bytes
First seen:2022-06-20 02:31:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bPuJR1cmtoE2WYumRc1nWiEp4ynQSBOEop1:bPKR12E2qUQS4Eop
TLSH T148A412286EBDA732E0BE5BF80591457187B56B3AE423E61DCED450CC4CB9F244AD1B0B
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 d4aae8cce8b296cc (16 x AgentTesla, 10 x Loki, 7 x FormBook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281391/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.13102.10437.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
50%
Tags:
packed
Link:
https://www.filescan.io/uploads/62afdc24dbe9c7c949718b66/reports/7c9b8ffd-514a-4394-9c4b-c2dc06ee354e/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c471d28-2cd3-4c78-ad57-89d0d37ee758
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1016035
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648531 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 20/06/2022 Architecture: WINDOWS Score: 96 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for URL or domain 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 4 other signatures 2->33 7 SecuriteInfo.com.W32.AIDetectNet.01.13102.exe 6 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\zOworu.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp41CA.tmp, XML 7->25 dropped 35 Uses schtasks.exe or at.exe to add and modify task schedules 7->35 37 Adds a directory exclusion to Windows Defender 7->37 11 powershell.exe 24 7->11         started        13 schtasks.exe 1 7->13         started        15 SecuriteInfo.com.W32.AIDetectNet.01.13102.exe 7->15         started        17 SecuriteInfo.com.W32.AIDetectNet.01.13102.exe 7->17         started        signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 00:58:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 41 (41.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cmrz334h4uf3m6zwkdz55g272shlhejhpfqlfveaszwr7ji7cw4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:en83 rat spyware stealer trojan
Link:
https://tria.ge/reports/220620-c1ad3sbfek/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
c3074c59e9d2f28a5ec0d3a3076f213f068852997bfe8bae946221d2611c46cc
MD5 hash:
7dc7513e7418a2b7d9f1d794deaffaa4
SHA1 hash:
13e7dfa0d71128139a1baccdd27683ed95878ff9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/748ec17d-a59d-4275-851e-047853309484/
Parent samples :
85ce49f0532bcb23b394c9af68f6b816670d5deeba332c15aae2ed158a10f19e
a27234306d37709025e3456ec05fb299afa46dac4682d04e8231f250b5243341
13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9
cddd7c5798303f779782f6d34ce93034647e5984f9b52f259e030201b538fc3d
a50cccc3af7ee644c1f35018d75d54e0462857db079c0518cd917ae9ab135914
1d5f49fa09b805de66c2677afe0c55daa99ff7abafbb4dd5150f764b3fb26539
SH256 hash:
6231814b1da27eefcf59657e753f10fca6e114c9d2bc9039f685ec8aa1f624da
MD5 hash:
bb12b4ff2210a53038480243d234b1f4
SHA1 hash:
f6a71dd6667310836f14c5945055ea276f44ab28
Link:
https://www.unpac.me/results/748ec17d-a59d-4275-851e-047853309484/
SH256 hash:
c66ef28c3812a114d1c62db8de1f965e384c458e5e309ab1f9d29b79cf911ab6
MD5 hash:
c1fee82faebe82cb5f921db422e590ec
SHA1 hash:
e4a2578029aae7956a693c11c84858fb80536fae
Link:
https://www.unpac.me/results/748ec17d-a59d-4275-851e-047853309484/
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/748ec17d-a59d-4275-851e-047853309484/
SH256 hash:
13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9
MD5 hash:
33b660cc3ce2ca37210782ca30e394d6
SHA1 hash:
f12abf5f129bda535202deaa57de12a4a915e722
Link:
https://www.unpac.me/results/748ec17d-a59d-4275-851e-047853309484/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/13239def87e50bb67b3650f3de9b5fd48eb391277960b2d480966d1fa51f15b9

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
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/281391/

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