MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6. 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: 12


Intelligence 12 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
SHA3-384 hash: 885bf26307d2c19e9d2f8a316b71a935605bed07af66ccfd8e395e7c66e8153f021d47a7819b0389f351c6dd4d884cb5
SHA1 hash: 93b4241cecb69cb028b78d1d7eec22ecc1318fa1
MD5 hash: 3d6941852a4f39825fa68f365a5f6bbc
humanhash: massachusetts-carolina-bluebird-georgia
File name:HSBC Payment Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:914'944 bytes
First seen:2025-01-27 13:55:22 UTC
Last seen:2025-01-27 13:56:12 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 12288:vx2iNM4it6A8JhgR8mw9tiZpbFaWmHamC28uRk0XDV0Xh+Zk3jcpTEIcwKbBEs:J1q4m/atmkWk78oPDWXwZI0TEnw6us
TLSH T12E156AD02B22A3D5DEAB6934955DDFF593B3396BB001B9E235D82B0731E931E9908F01
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
File icon (PE):PE icon
dhash icon c0803c34261684f8 (4 x Formbook, 1 x SnakeKeylogger)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
2'799
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c2dd20f9823c5cebeeea62bf5eb2ae5d0f38c2dd4592095b12f90fe216b4a16.zip
Verdict:
Malicious activity
Analysis date:
2025-01-27 14:21:25 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/c1b22970-4fdc-46a9-bff7-d3f99abcb52a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/6797907885aac483f388f92d/reports/0fc1dcd5-8612-48cd-a779-e847428e6224/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fcba8c83-0641-418d-95ae-2b3404d84df2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1600413
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)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600413 Sample: HSBC Payment Advice.exe Startdate: 27/01/2025 Architecture: WINDOWS Score: 100 35 www.maticon.xyz 2->35 37 www.031234103.xyz 2->37 39 17 other IPs or domains 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 55 5 other signatures 2->55 10 HSBC Payment Advice.exe 3 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 37->53 process4 file5 33 C:\Users\user\...\HSBC Payment Advice.exe.log, ASCII 10->33 dropped 67 Injects a PE file into a foreign processes 10->67 14 HSBC Payment Advice.exe 10->14         started        17 HSBC Payment Advice.exe 10->17         started        19 HSBC Payment Advice.exe 10->19         started        signatures6 process7 signatures8 71 Maps a DLL or memory area into another process 14->71 21 eOfwEEZHHigo5tYgrd.exe 14->21 injected process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 21->57 24 compact.exe 13 21->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 eOfwEEZHHigo5tYgrd.exe 24->27 injected 31 firefox.exe 24->31         started        process13 dnsIp14 41 kasun.wtf 82.221.136.24, 50002, 50003, 50004 THORDC-ASIS Iceland 27->41 43 031234103.xyz 144.76.229.203, 50018, 50019, 50020 HETZNER-ASDE Germany 27->43 45 8 other IPs or domains 27->45 69 Found direct / indirect Syscall (likely to bypass EDR) 27->69 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-01-26 13:51:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5kilk4s6orxdrdevdsnip6l5wbiqj7x2pfu3fv2gfg22yuhno3a._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250127-q8ntbsslgj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3e052cdb-09ca-4bd9-867f-003249def042
Unpacked files
SH256 hash:
dce7ab11d9c70a43de3a801474b07fd1448d3cbb19e8e1c660280b9753cdfeef
MD5 hash:
af27f65a317e92c4128cefdaf40ed136
SHA1 hash:
4c814168907a8665c2124e21ae5d08b23eb9ca80
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
Parent samples :
fd3164057ef5cfebb668b25b93a0638edf8d032f7a1e0c13249334bd913a1ad3
4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
44c3fc308875ed0c6fcf4a10068e2790eb3397bb441b38ede833361312f74997
75db64719f3225f1e42a86bb7cca56871f757076f81c42802e22a83629ac4fbb
4c9850cad6a1efce3f23362ff3f68fe5fee556e3e344e867f16ac821701e90ad
7c7a37f2a806c0e0845d2605f3f39cd7d80637d8a59ff7d2fa6a9125dfb329ee
415c6e1b1a10753be59eb88d1b2304d05b4f97e858724911ff82a86865ba3e86
be8bef17ae29e1e5c3fc07a4c27dd4a89ec744644aaa2900b0cd9cd9cc230f11
SH256 hash:
de1b5cef19d52147562e0e667cc1ec66d7b79ed22cacfa290b3fdbc78e0ee897
MD5 hash:
02d1a58f8a0361c321947ec518889bca
SHA1 hash:
31ed5a4da1c0e49c0a26e24aedae50ea9bf420f9
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
SH256 hash:
6a9c22e6a30291d9625fdcdeb421f5cab15800699bce19b7a3885cfbd688dd78
MD5 hash:
9d8f2da247eead7b52122a8b296f67f1
SHA1 hash:
4fbffe02746e9630c093d35925f5e5d7bf988909
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
SH256 hash:
7adc9847677496b63799658a5806874f3995a54fb267725889654fc8ebdc5f7f
MD5 hash:
63be414b4307f7079959ef2c837cf0b9
SHA1 hash:
2dd1363fbabaa7140bbf6aeff4d7b38d52526bb8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
SH256 hash:
09e337c35f21a6fda33cf364775d58bdd96fdd79a16a3bfdc1b8ecaf654266d9
MD5 hash:
6e26de9a22304dd64c79abea86948400
SHA1 hash:
2d1f8e2dd426f9aa96adb6de0d7d9c3d89056cc8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
SH256 hash:
4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6
MD5 hash:
3d6941852a4f39825fa68f365a5f6bbc
SHA1 hash:
93b4241cecb69cb028b78d1d7eec22ecc1318fa1
Link:
https://www.unpac.me/results/56c3c752-de25-46fd-a7bf-f20c6a329eba/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f5485ab92f3/report/overview.html
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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
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 4f5485ab92f3a371c464a8e4d43fcbed828827f7d3cb4d96ba314dad62876bb6

(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

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