MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6
SHA3-384 hash: 378672179c01789af0ded3caae9b5c7aef0717d75430319d42658b5568dfe93d4f8e5122719809c210843817a859883b
SHA1 hash: 4c5f773f3ed70d64b6a43866ef805027db4ec2e7
MD5 hash: 98df186174c94d00f0eed173263428ed
humanhash: illinois-salami-ack-april
File name:HSBC_MT 103 COPY.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:880'128 bytes
First seen:2022-08-25 19:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:GT/0shbH1oT/0shbOYAeqJTVaO225hukD5WKoCuY:M5M5AeqJTw25eCu
TLSH T10915F149BAE2CD43C2766773C8E356104334E645AA1BCB5F31C417A909127FF8D8AB9B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook HSBC

Intelligence

File Origin
# of uploads :
1
# of downloads :
384
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
HSBC_MT 103 COPY.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-08-25 19:07:14 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/ab1d7d5f-86ce-4bbc-86a0-9a7d3040ab6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301236/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6307c837cdc72e865b8b5096/reports/98bbc9be-8623-480e-8043-3c640330bb4a/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d11a7ad7-4c4f-43dd-b637-76f66c5bc201
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1057941
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690454 Sample: HSBC_MT 103 COPY.pdf.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 13 other signatures 2->48 10 HSBC_MT 103 COPY.pdf.exe 7 2->10         started        process3 file4 34 C:\Users\user\AppData\...\hSeyTCuDxScTPG.exe, PE32 10->34 dropped 36 C:\...\hSeyTCuDxScTPG.exe:Zone.Identifier, ASCII 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp6B89.tmp, XML 10->38 dropped 40 C:\Users\...\HSBC_MT 103 COPY.pdf.exe.log, ASCII 10->40 dropped 50 Adds a directory exclusion to Windows Defender 10->50 52 Injects a PE file into a foreign processes 10->52 14 HSBC_MT 103 COPY.pdf.exe 10->14         started        17 powershell.exe 22 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 21 explorer.exe 14->21 injected 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process8 process9 27 svchost.exe 21->27         started        signatures10 54 Modifies the context of a thread in another process (thread injection) 27->54 56 Maps a DLL or memory area into another process 27->56 58 Tries to detect virtualization through RDTSC time measurements 27->58 30 cmd.exe 1 27->30         started        process11 process12 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-25 19:06:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ovvebkh4q25vj72ovwhj3haxhmyfd5gxpjqfgc2hdj56ouxyxlla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ba17 rat spyware stealer trojan
Link:
https://tria.ge/reports/220825-xr3dqaabe3/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
8907cb2eebb60f15cdca193062c945bb6bf44ef5c3f09c9d3196e8ff94113a41
MD5 hash:
e77d8f299e3655a1d164de139506b83a
SHA1 hash:
6d568dcb6244c51d94a60a203fe6f0484862a95a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
Parent samples :
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a
4ce459e96e27a319ea15c07994ae72c5df83c599bddbee3286558723bc55b20e
b575be29720f27a08220d8b155e68bb70cd1f0d3a9a3bfb261873f3fa639d6b6
6452e7934b058662751322258e57f91a8790ab089a93b17062646080e31ea24a
756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6
1f364b54ed1d03b1f87fe2bf0d7a376029298c3250611dab92dcba2d210afe1d
205f40228597bee4de6da0f386c14fde658b7dc6956fb2839a98504b48bd9377
a88e5d5fb17e50a25cf6dfe2512fc45cc3f712dccccee2d08ee7d1dac7086e5e
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
SH256 hash:
e03e5999e124c155d937605cd94b18fc2031f54ce52a7429a5be7dc72a25a276
MD5 hash:
45e77ca0c48d38d462d93936762082fe
SHA1 hash:
a69d7401e5f49222295a1a18873c61743ebe8e01
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
SH256 hash:
07d34d8d5a4c9e8fccc8a9bfb015bddb7b8f862e0fc2d04a3eee17c931bff31d
MD5 hash:
902dd0e19be0d3dea983002a08c2b560
SHA1 hash:
9acf7451c6ed9233721212d42b74b5c31146cdd7
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
SH256 hash:
756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6
MD5 hash:
98df186174c94d00f0eed173263428ed
SHA1 hash:
4c5f773f3ed70d64b6a43866ef805027db4ec2e7
Link:
https://www.unpac.me/results/619e3b18-409a-471c-8121-0c294e11bebc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 756a40a8fc86bb54ff4ead8e9d9c173b3051f4d77a60530b471a7be752f8bad6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/301236/

Comments