MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2fa6a431ab9a3e461768ba105ee20a12ad4dc1d317cf22ac156215ab1d03b56. 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 8 File information Comments

SHA256 hash: d2fa6a431ab9a3e461768ba105ee20a12ad4dc1d317cf22ac156215ab1d03b56
SHA3-384 hash: 70935c1d09b97eb875c9ffcf4e749857f557e836dcd4041f81f9ef8d759cfc668ae3efa953918d1dcb2c9c14a53fe1f3
SHA1 hash: 727462ea9b8997ec672a4047649eec49214435dd
MD5 hash: 4534f7a8909d91789294c3197d057f2a
humanhash: uncle-grey-oxygen-timing
File name:Payment Advice.exe
Download: download sample
Signature Formbook
File size:892'928 bytes
First seen:2025-02-04 13:18:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:U6mwetSNfZvIiFwswKF4VxqT+DUo97PQMja:UDwAcfZTFwBKiVx4+7PQz
TLSH T16E15DFC43B29AB16DD7907B09A30DDB053B92D69B120F6DA1EC93BCB79687014E18F53
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
511
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Advice.exe
Verdict:
No threats detected
Analysis date:
2025-02-04 13:22:56 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus msil hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1606492 Sample: Payment Advice.exe Startdate: 04/02/2025 Architecture: WINDOWS Score: 100 33 www.physicsbrain.xyz 2->33 35 www.autonomousrich.xyz 2->35 37 13 other IPs or domains 2->37 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected FormBook 2->49 53 5 other signatures 2->53 10 Payment Advice.exe 3 2->10         started        signatures3 51 Performs DNS queries to domains with low reputation 35->51 process4 file5 31 C:\Users\user\...\Payment Advice.exe.log, ASCII 10->31 dropped 67 Injects a PE file into a foreign processes 10->67 14 Payment Advice.exe 10->14         started        17 Payment Advice.exe 10->17         started        signatures6 process7 signatures8 69 Maps a DLL or memory area into another process 14->69 19 XaV2oRShq2YsZL3fx3wbmny.exe 14->19 injected process9 signatures10 55 Found direct / indirect Syscall (likely to bypass EDR) 19->55 22 secinit.exe 13 19->22         started        process11 signatures12 57 Tries to steal Mail credentials (via file / registry access) 22->57 59 Tries to harvest and steal browser information (history, passwords, etc) 22->59 61 Modifies the context of a thread in another process (thread injection) 22->61 63 3 other signatures 22->63 25 XaV2oRShq2YsZL3fx3wbmny.exe 22->25 injected 29 firefox.exe 22->29         started        process13 dnsIp14 39 www.corellia.pro 217.160.0.90, 54511, 54512, 54513 ONEANDONE-ASBrauerstrasse48DE Germany 25->39 41 www.topked.top 192.64.118.221, 54502, 54503, 54504 NAMECHEAP-NETUS United States 25->41 43 6 other IPs or domains 25->43 65 Found direct / indirect Syscall (likely to bypass EDR) 25->65 signatures15
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-02-04 13:19:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook unknown_loader_037
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
Win.Packed.Msilheracles-10020638-0
YARA:
n/a
Unpacked files
SH256 hash:
d2fa6a431ab9a3e461768ba105ee20a12ad4dc1d317cf22ac156215ab1d03b56
MD5 hash:
4534f7a8909d91789294c3197d057f2a
SHA1 hash:
727462ea9b8997ec672a4047649eec49214435dd
SH256 hash:
b343cc136857462567977d10d26afaafde94c30f4ec0efc68d61057f94c85e79
MD5 hash:
bdc09a3f5c232d394e034c2d634c4537
SHA1 hash:
0207b6906e4ceca347ba0d86ffbb4882a16b24f2
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
ca0f3bd58be3a2fd50ac9af20d32d22a88da2620c0c2733082ae7a8cd5ed9624
MD5 hash:
c306860f2949d4823fe3d049d48d07d1
SHA1 hash:
6731fc2ce1b9b40f6da862a37514d141f31fad6d
SH256 hash:
e8044f63acd1c3c9fddb084d2b58532119d2a69951fac1501d7cd05d8ba1df5d
MD5 hash:
edeca737824c0165209878705bc1438d
SHA1 hash:
953afa000960ed6635fd003f2748cf71cad6351b
SH256 hash:
fef13db230d52659fe41660c66f9200b7355035ed3dae63d7bf60ebfb28d739b
MD5 hash:
e53517b4abf530330e218e2f099afa65
SHA1 hash:
875d6361a4c0fb31b7cbf26cbf3d7249c8b0b32a
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe d2fa6a431ab9a3e461768ba105ee20a12ad4dc1d317cf22ac156215ab1d03b56

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments