MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3
SHA3-384 hash: 5875e2a118b0bfac6335071eb8da9321971d25336e83231795a22e1f4c4b86a659cc561e3f54f493b467854fe08bbf92
SHA1 hash: f54fd7ee324b2bd589f10700184cb565b621b6d0
MD5 hash: dae759533e5ab6cd7b064f275059e3ab
humanhash: maryland-november-indigo-tango
File name:55lAAnHXr4q1xPl.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:759'808 bytes
First seen:2025-02-13 09:22:13 UTC
Last seen:2025-02-17 11:39:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'852 x AgentTesla, 19'779 x Formbook, 12'303 x SnakeKeylogger)
ssdeep 12288:gibHHH/DneK/42DGvxSLgtgfXk5s/M77HuRewWvJFFMfaeCsmBjn8Rmfd1ZvWuJn:vbnHzeoDGvuXkP77OMUULZ8RYXxJ
TLSH T1A9F4E1C43B2AA71ADD595A30DA34DEB583A81DA8B001F8F25FDD3B57B9AD2019D0CF41
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
477
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
55lAAnHXr4q1xPl.exe
Verdict:
Malicious activity
Analysis date:
2025-02-13 09:25:57 UTC
Tags:
formbook stealer xloader
Link:
https://app.any.run/tasks/0aeac933-4e1c-4f86-a675-46b09d37363e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67adba1628ab76d43a5ab30a
Tags:
agenttesla obfusc virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Setting browser functions hooks
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67adb9cfc24a487ec9d13648/reports/ee6c4d47-b69e-40de-aa34-d847ad709a6b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8cc4dfe6-778a-41a8-a889-c7326c390cbf
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1614107
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious 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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1614107 Sample: 55lAAnHXr4q1xPl.exe Startdate: 13/02/2025 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 6 other signatures 2->34 10 55lAAnHXr4q1xPl.exe 3 2->10         started        process3 file4 26 C:\Users\user\...\55lAAnHXr4q1xPl.exe.log, ASCII 10->26 dropped 44 Tries to detect virtualization through RDTSC time measurements 10->44 46 Injects a PE file into a foreign processes 10->46 48 Switches to a custom stack to bypass stack traces 10->48 14 55lAAnHXr4q1xPl.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 2 other signatures 14->56 17 explorer.exe 5 1 14->17 injected process8 process9 19 cmd.exe 17->19         started        signatures10 36 Modifies the context of a thread in another process (thread injection) 19->36 38 Maps a DLL or memory area into another process 19->38 40 Tries to detect virtualization through RDTSC time measurements 19->40 42 Switches to a custom stack to bypass stack traces 19->42 22 cmd.exe 1 19->22         started        process11 process12 24 conhost.exe 22->24         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3/
Threat name:
ByteCode-MSIL.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2025-02-13 07:56:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iygev66rpe5oymxss4nlfqeifaqa5m4vxcf2d7sq2u6kkgqcd3bq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:da16 adware discovery persistence privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/250213-lb42tswkfj/
Behaviour
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks installed software on the system
Installs/modifies Browser Helper Object
Event Triggered Execution: Component Object Model Hijacking
Executes dropped EXE
Boot or Logon Autostart Execution: Active Setup
Downloads MZ/PE file
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/83f99e2c-0eeb-4d3f-bd6b-2ec40d718a84
Unpacked files
SH256 hash:
460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3
MD5 hash:
dae759533e5ab6cd7b064f275059e3ab
SHA1 hash:
f54fd7ee324b2bd589f10700184cb565b621b6d0
Link:
https://www.unpac.me/results/02011706-b049-443c-95d2-2a7f50b9c714/
SH256 hash:
e50f225cd93cf8f6e49fbdab20a93f9e52365b23fcdb729022e2f0d88d614372
MD5 hash:
e5161fd4e7e6940569127f3f8e81784f
SHA1 hash:
b0466534dddd4c15ef03eac27d60616030ede07e
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/02011706-b049-443c-95d2-2a7f50b9c714/
SH256 hash:
2daaa4d45aebae13721e615cda0ab2643004613de35c4d308663c88580f16f93
MD5 hash:
26026f4d05b35626710fb73ffee23ae0
SHA1 hash:
d2a6e2b7e99800737e792729e7d4404db926e10b
Link:
https://www.unpac.me/results/02011706-b049-443c-95d2-2a7f50b9c714/
SH256 hash:
d07db88f879ea396c95ba1151aad315355637978893540a975d3356e81f7535d
MD5 hash:
f2bebbdeeed2531e1b23d91ae4e6f2d0
SHA1 hash:
a6c23616d0d1f650c4b78ad6bb92278e4a13f8ec
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Windows_Trojan_Formbook
Create hunting rule
Formbook
Create hunting rule
Link:
https://www.unpac.me/results/02011706-b049-443c-95d2-2a7f50b9c714/
Parent samples :
994e76088c89d90f9593d7615c985e385742c8a7fae22e3edbc321ce46d96442
460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3
8c16a8412bd4bd33b6adc86308c8eaaf1eca8400c315d278a2e3bd14a8ac8a80
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/460c4afbd179/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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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 460c4afbd1793aec32f2971ab2c08828200eb395b88ba1fe50d53ca51a021ec3

(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