MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505. 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 21 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505
SHA3-384 hash: 0d2f863273c2253d4446ed80a27d53747ea29b2b89feb9399a7371da93eaad0f12729ceb3706248a439b1121aab7f86d
SHA1 hash: 48b06226beb5d135992f1225fa94ecfe4a4023b5
MD5 hash: 3706f794805473d8b047db81db22f81c
humanhash: winter-oregon-four-orange
File name:3706f794805473d8b047db81db22f81c
Download: download sample
Signature Formbook
Create hunting rule
File size:625'152 bytes
First seen:2023-11-13 08:51:24 UTC
Last seen:2023-11-13 10:20:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:lcdRpTgP/EsW2aoK5mESSzTdEUKZASEbuglae2A56jE75Q8U0xWeW:m+xz1Qm/SfdENZkB9yENAgWe
TLSH T11DD422097BF19B62C86F27BF64A1609207FDA9566A43E7496EC1D4DD0EB33204E01B73
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00a282a2a282a200 (17 x Formbook, 11 x AgentTesla, 4 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/458321/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.24920.20606.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6551e3b83dd412119bfa09ce/reports/8ea17a68-bbaf-4789-acfd-da1c60bb51ec/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32657d2e-0d5e-49ce-9c03-179639cc5d5b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341606
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505/
Threat name:
ByteCode-MSIL.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 07:45:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v5onb3o5ziktxkw6k4euexrixf4zqzxhvqug3rkppeacqbz4qucq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/231113-ksqebsbf7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
3a174e341dbb13f48ecbb7293cdc5593ca3c6a55a1c6ab6385acbfcd5eff5d08
MD5 hash:
a1e590245bbdc17a39c26652bc64e4e9
SHA1 hash:
b55f054836fae7b5278d2f10d8d43fe33ec03ea2
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
SH256 hash:
0c15d6aa23aedeb62eb9b8dd3ccc7c70786a81afc4038cf08ea991570080a10d
MD5 hash:
cfe204bb14c9b15dfc645907dad72ddf
SHA1 hash:
7a1ec165cace8f16d2e713c021fbc7bb8b609daf
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
SH256 hash:
3b49c3420c2afd355fe3e1701e6a871362e3462453258ebd873a02810d2ae596
MD5 hash:
0209394988219008d76275f2dd10811e
SHA1 hash:
5ccca36acdc5ebdf44ada6b57822e511d2d315e2
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
SH256 hash:
af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505
MD5 hash:
3706f794805473d8b047db81db22f81c
SHA1 hash:
48b06226beb5d135992f1225fa94ecfe4a4023b5
Link:
https://www.unpac.me/results/e3c925d9-3b9b-4289-86c6-fcd33db4e4d1/
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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Web download

Formbook

Executable exe af5cd0edddca153baade5709425e28b9799866e7ac286dc54f790028073c8505

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2730218/
Cape
Cape
https://www.capesandbox.com/analysis/458321/

Comments


Avatar
zbet commented on 2023-11-13 08:51:25 UTC

url : hxxp://45.76.174.164/435/unscapp.exe