MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a28827929bbdf8fc02cbf542ae73de715c0b4b0e1be5c9484987ee44e652da1. 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 7 File information Comments

SHA256 hash: 1a28827929bbdf8fc02cbf542ae73de715c0b4b0e1be5c9484987ee44e652da1
SHA3-384 hash: c6785600c8ee8862d48f2643ebbb144f28816b887d82bc8f517185c7043a7bed0ce292a66df660300b1cd822c5d9e107
SHA1 hash: 1d91ff731b65d405d087350f5ebbd7055f2c8242
MD5 hash: 3dd76f8a1d784669100b3fb4c2039d34
humanhash: asparagus-bacon-fish-carolina
File name:Swift.exe
Download: download sample
Signature Formbook
File size:306'252 bytes
First seen:2023-03-02 13:15:13 UTC
Last seen:2023-03-02 14:29:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6Kiw77Q5CeR/Q2NBf7PGXyxC5ZlwZ/QGuC4G9R+WOs2n8kEh:PYMr779Q/QgaXy+ZmQGQGqhs6Qh
Threatray 2'302 similar samples on MalwareBazaar
TLSH T123541211AB3940B3E6E541735EF86F64AFFA9A2375E6120F236416CAF636381CC1D712
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 :
3
# of downloads :
209
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Swift.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 13:17:48 UTC
Tags:
formbook xloader 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 file in the %temp% directory
Creating a window
Creating a process from a recently created file
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed 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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818621 Sample: Swift.exe Startdate: 02/03/2023 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 11 Swift.exe 19 2->11         started        process3 file4 31 C:\Users\user\AppData\...\cqdynsnaja.exe, PE32 11->31 dropped 14 cqdynsnaja.exe 1 11->14         started        process5 signatures6 51 Multi AV Scanner detection for dropped file 14->51 53 Maps a DLL or memory area into another process 14->53 55 Tries to detect virtualization through RDTSC time measurements 14->55 17 cqdynsnaja.exe 14->17         started        20 conhost.exe 14->20         started        process7 signatures8 33 Modifies the context of a thread in another process (thread injection) 17->33 35 Maps a DLL or memory area into another process 17->35 37 Sample uses process hollowing technique 17->37 39 Queues an APC in another process (thread injection) 17->39 22 explorer.exe 2 6 17->22 injected process9 process10 24 cscript.exe 22->24         started        signatures11 49 Tries to detect virtualization through RDTSC time measurements 24->49 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-03-02 11:12:00 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:k04s rat spyware stealer trojan
Behaviour
Modifies registry class
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:
3454f6112267492b216bd6dcace4dae1b71cec30318770771335a2967e704ff9
MD5 hash:
24accd88c0a887c01be75469f47b9d3b
SHA1 hash:
24b4285f7c5abe9998e13142044f2a118b292237
SH256 hash:
1a28827929bbdf8fc02cbf542ae73de715c0b4b0e1be5c9484987ee44e652da1
MD5 hash:
3dd76f8a1d784669100b3fb4c2039d34
SHA1 hash:
1d91ff731b65d405d087350f5ebbd7055f2c8242
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: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: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 1a28827929bbdf8fc02cbf542ae73de715c0b4b0e1be5c9484987ee44e652da1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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