MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b40dee218b4a54e4882c90f15a62a58dfbd216432ebaf9becca6a3bd6adc46ae. 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: 17


Intelligence 17 IOCs YARA 9 File information Comments

SHA256 hash: b40dee218b4a54e4882c90f15a62a58dfbd216432ebaf9becca6a3bd6adc46ae
SHA3-384 hash: daec88fd495469db188402a66e51fc4fae11f60043caf25995e4f8f96d839154407efcaf10b995c9faf155218f9bc7ff
SHA1 hash: e168487e2ed9ce48d6c732da05e40b095f9b918b
MD5 hash: 589529d14e40581a71b2e64391df1cb6
humanhash: april-stream-pip-colorado
File name:swift 5.exe
Download: download sample
Signature Formbook
File size:296'552 bytes
First seen:2023-04-03 11:23:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6xvFi+XZ19Zbb997tpYNLKKE57OpCCe2KzdxB/SXdHALvQM:vYjvw+XFZbZ9t95JVxxBSXdHAL4M
TLSH T1EA541248AD81E077D8925BB04B3BEB23AEBEB5061068564F1730DFED7C19680EB1D761
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
227
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
swift 5.exe
Verdict:
Malicious activity
Analysis date:
2023-04-03 11:25:24 UTC
Tags:
formbook xloader

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Сreating synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook nemesis overlay packed remcos shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 839901 Sample: swift_5.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 38 www.naijabrain.africa 2->38 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 12 swift_5.exe 19 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\wogdxef.exe, PE32 12->34 dropped 36 C:\Users\user\AppData\Local\Temp\nsb950.tmp, DOS 12->36 dropped 15 wogdxef.exe 12->15         started        process6 signatures7 68 Multi AV Scanner detection for dropped file 15->68 70 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Tries to detect virtualization through RDTSC time measurements 15->74 18 wogdxef.exe 15->18         started        process8 signatures9 44 Modifies the context of a thread in another process (thread injection) 18->44 46 Maps a DLL or memory area into another process 18->46 48 Sample uses process hollowing technique 18->48 50 Queues an APC in another process (thread injection) 18->50 21 explorer.exe 2 1 18->21 injected process10 dnsIp11 40 www.elvanite.co.uk 3.64.163.50, 49696, 80 AMAZON-02US United States 21->40 42 www.1135wickloecourt.com 54.215.56.29, 49697, 80 AMAZON-02US United States 21->42 60 System process connects to network (likely due to code injection or exploit) 21->60 25 chkdsk.exe 21->25         started        28 autoconv.exe 21->28         started        signatures12 process13 signatures14 62 Modifies the context of a thread in another process (thread injection) 25->62 64 Maps a DLL or memory area into another process 25->64 66 Tries to detect virtualization through RDTSC time measurements 25->66 30 cmd.exe 1 25->30         started        process15 process16 32 conhost.exe 30->32         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-04-03 11:24:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:k04s rat spyware stealer trojan
Behaviour
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
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
0381b964a2e0f4e69fab3f74116484db938e2284a0548a0351004dc40d12f5c9
MD5 hash:
aa61d9c1a5146515e92bb13c7e216480
SHA1 hash:
23b4b41373f6474d475e6e44af8ef0644c8317c9
SH256 hash:
b40dee218b4a54e4882c90f15a62a58dfbd216432ebaf9becca6a3bd6adc46ae
MD5 hash:
589529d14e40581a71b2e64391df1cb6
SHA1 hash:
e168487e2ed9ce48d6c732da05e40b095f9b918b
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:azov_Dropped
Author:Potatech
Description:Azov Detection
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe b40dee218b4a54e4882c90f15a62a58dfbd216432ebaf9becca6a3bd6adc46ae

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments