MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2defdb22d90cba25a226f423fb2001fe8613dff78dbeb7af00dd37dd35ae992d. 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 3 File information Comments

SHA256 hash: 2defdb22d90cba25a226f423fb2001fe8613dff78dbeb7af00dd37dd35ae992d
SHA3-384 hash: e182658dade4cd71a82565d409d03e2d490a7f91df517d8f5e2861a872d62d5414377356972367a646c1f92da2db1e53
SHA1 hash: 8ca2439323e985e7fc24c9e0b3e8920a5a84d783
MD5 hash: d34df24d71fb3707838cd06dbaf4053b
humanhash: kilo-lemon-music-blue
File name:SWIFT_5201660828948056.pdf.exe
Download: download sample
Signature Formbook
File size:25'600 bytes
First seen:2022-08-05 13:30:03 UTC
Last seen:2022-08-08 06:24:22 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 192:9Yxtx1mO1xKpJZ3qqyM0tHBvfN3SsKRnf3mV7n3URSSAXLM+D4PJn:axt6ExKpJdqbM0t5Fdunf3mV7n3URZ
TLSH T198B26D10B764CA26D5661674DC99F32806B3AAF49CF2C61AF8DC3B0E2F377600D66725
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 447060745c605468 (1 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SWIFT_5201660828948056.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-05 13:31:04 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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Query of malicious DNS domain
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 679324 Sample: SWIFT_5201660828948056.pdf.exe Startdate: 05/08/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 7 other signatures 2->43 10 SWIFT_5201660828948056.pdf.exe 15 7 2->10         started        process3 dnsIp4 35 my-med.ga 192.185.174.177, 49731, 80 UNIFIEDLAYER-AS-1US United States 10->35 31 C:\Users\user\AppData\...\Antuulxmf.exe, PE32 10->31 dropped 33 C:\...\SWIFT_5201660828948056.pdf.exe.log, ASCII 10->33 dropped 49 Creates an undocumented autostart registry key 10->49 51 Encrypted powershell cmdline option found 10->51 53 Writes to foreign memory regions 10->53 55 Injects a PE file into a foreign processes 10->55 15 MSBuild.exe 10->15         started        18 powershell.exe 17 10->18         started        file5 signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 2 other signatures 15->63 20 explorer.exe 15->20 injected 22 conhost.exe 18->22         started        process9 process10 24 chkdsk.exe 20->24         started        signatures11 45 Maps a DLL or memory area into another process 24->45 47 Tries to detect virtualization through RDTSC time measurements 24->47 27 cmd.exe 1 24->27         started        process12 process13 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-05 13:05:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:s4s9 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
2defdb22d90cba25a226f423fb2001fe8613dff78dbeb7af00dd37dd35ae992d
MD5 hash:
d34df24d71fb3707838cd06dbaf4053b
SHA1 hash:
8ca2439323e985e7fc24c9e0b3e8920a5a84d783
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: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.

Malspam

Formbook

Executable exe 2defdb22d90cba25a226f423fb2001fe8613dff78dbeb7af00dd37dd35ae992d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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