MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f89ff73098c773e3f47347ba568a06d859d4224e6a45e1e7b397d25fa4eeb51. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 5f89ff73098c773e3f47347ba568a06d859d4224e6a45e1e7b397d25fa4eeb51
SHA3-384 hash: ac7d8aab62a53eeaa839c0174a9f08ac062eb44b9c589e1ad8cc27a5154adf2c4c2b9e0202912f30d410011127428869
SHA1 hash: 13ab8849d30971675f3a76db5ca9b126007b9401
MD5 hash: fe51d322ced1c9484c6f09bb4c5eefab
humanhash: music-earth-london-berlin
File name:DEBIT NOTE July 2024 PART 2.exe
Download: download sample
Signature Formbook
File size:796'672 bytes
First seen:2024-09-04 14:26:15 UTC
Last seen:2024-09-04 15:40:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Yw7+SNRVLrqK3gu22Otlca/ii09Gp/ukm:Ys7rrqKS26t09G5C
TLSH T12505012076F82FAAD579C7F91560600903F2B91B60AEE65A4ED771DF39B6F010BA0D43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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 James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
390
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DEBIT NOTE July 2024 PART 2.exe
Verdict:
No threats detected
Analysis date:
2024-09-04 14:27:50 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
SUSPICIOUS
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.spyw
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
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: 1504213 Sample: DEBIT NOTE July 2024  PART 2.exe Startdate: 04/09/2024 Architecture: WINDOWS Score: 100 35 www.academy-training.xyz 2->35 37 www.xsg.icu 2->37 39 15 other IPs or domains 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 55 7 other signatures 2->55 10 DEBIT NOTE July 2024  PART 2.exe 4 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 file5 33 C:\...\DEBIT NOTE July 2024  PART 2.exe.log, ASCII 10->33 dropped 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 14 DEBIT NOTE July 2024  PART 2.exe 10->14         started        17 powershell.exe 23 10->17         started        signatures6 process7 signatures8 73 Maps a DLL or memory area into another process 14->73 19 ACCBOcRPsuPT.exe 14->19 injected 75 Loading BitLocker PowerShell Module 17->75 22 conhost.exe 17->22         started        process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 24 control.exe 13 19->24         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 Modifies the context of a thread in another process (thread injection) 24->63 65 3 other signatures 24->65 27 ACCBOcRPsuPT.exe 24->27 injected 31 firefox.exe 24->31         started        process13 dnsIp14 41 www.lyxor.top 203.161.43.228, 59347, 59348, 59349 VNPT-AS-VNVNPTCorpVN Malaysia 27->41 43 laohuang.zhongshengxinyun.com 43.135.99.21, 59332, 80 LILLY-ASUS Japan 27->43 45 6 other IPs or domains 27->45 71 Found direct / indirect Syscall (likely to bypass EDR) 27->71 signatures15
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2024-08-29 12:33:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
30407814a1b69ba011c85c128b76930da817a18b40882710175348f68204c9d6
MD5 hash:
5cc8bbdd5a5421d44ff1a71e2579883f
SHA1 hash:
8a8fc4a0b6891e84d8ae7f4b984489574955ee31
Detections:
win_formbook_g0 win_formbook_w0
SH256 hash:
c7965f9601a87fc6015d61ad2a38edfa333023f62b041d1e3fd72c9728d8a24f
MD5 hash:
473fa4e825eb6e59751a5a6a08d3ac0d
SHA1 hash:
190a2fade997a0aad017bc02d711793f78c956c7
SH256 hash:
cec787bddcd3f4bd49a7f3646d88814ba6ec2ccca6b71c873279dfdca74ff4a2
MD5 hash:
2d6b81626d387f5122e9243a48296579
SHA1 hash:
64b99e7f9462a99361efe282bc238955be1fe787
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c22b6e2cfed3d7e9e0bc312aedb34dd32d9b8049319032ddc7557c9756cf07f7
MD5 hash:
afafe33158d5f82d678539141bbd0455
SHA1 hash:
5746d7bc26825f9bbf73487ee0dd5324d9a19288
SH256 hash:
5f89ff73098c773e3f47347ba568a06d859d4224e6a45e1e7b397d25fa4eeb51
MD5 hash:
fe51d322ced1c9484c6f09bb4c5eefab
SHA1 hash:
13ab8849d30971675f3a76db5ca9b126007b9401
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: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 5f89ff73098c773e3f47347ba568a06d859d4224e6a45e1e7b397d25fa4eeb51

(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