MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4449e9a59cc1ca8d1be64513c3917526aa5df23af1cb8e046305bcae9faea101. 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 7 File information Comments

SHA256 hash: 4449e9a59cc1ca8d1be64513c3917526aa5df23af1cb8e046305bcae9faea101
SHA3-384 hash: c858b92e94925bf2088f662c3406667d3a9039bb699fe3dd39f91c7c236c43a613e1ee481dc2b8b756d4eaece33544f1
SHA1 hash: d52d048bfbf1a90a896b958fbd089566eb0b44aa
MD5 hash: a281c7711f98e86481cc5d84075b20c9
humanhash: hawaii-oxygen-mobile-uncle
File name:PO�BC2024-05.exe
Download: download sample
Signature Formbook
File size:1'533'440 bytes
First seen:2025-05-20 07:20:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:7tb20pkaCqT5TBWgNQ7althteBFBZpDZsHZqvt+INeH6A:4Vg5tQ7aZAnBHD+qvt+INY5
TLSH T17265CF2227EDC266C3724273BDA5F725AE7F6D241DA5F5072F942C6CBD30760260A263
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 0cacc0c4b0944c10 (53 x Formbook, 1 x AgentTesla)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
478
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO�BC2024-05.exe
Verdict:
No threats detected
Analysis date:
2025-05-20 07:32:01 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious 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
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)
Uses threadpools to delay analysis
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1694547 Sample: PO#UfffdBC2024-05.exe Startdate: 20/05/2025 Architecture: WINDOWS Score: 100 35 www.br369874.xyz 2->35 37 slot4d.life 2->37 39 7 other IPs or domains 2->39 41 Suricata IDS alerts for network traffic 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 49 4 other signatures 2->49 11 PO#UfffdBC2024-05.exe 4 2->11         started        signatures3 47 Performs DNS queries to domains with low reputation 35->47 process4 signatures5 59 Binary is likely a compiled AutoIt script file 11->59 61 Writes to foreign memory regions 11->61 63 Maps a DLL or memory area into another process 11->63 65 2 other signatures 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 17 5rXiQFajoEW.exe 14->17 injected process8 dnsIp9 29 slot4d.life 184.168.111.254, 49697, 49698, 49699 AS-26496-GO-DADDY-COM-LLCUS United States 17->29 31 ikure.health 3.33.130.190, 49692, 49701, 49702 AMAZONEXPANSIONGB United States 17->31 33 www.br369874.xyz 104.21.6.207, 49693, 49694, 49695 CLOUDFLARENETUS United States 17->33 20 PresentationHost.exe 13 17->20         started        process10 signatures11 51 Tries to steal Mail credentials (via file / registry access) 20->51 53 Tries to harvest and steal browser information (history, passwords, etc) 20->53 55 Modifies the context of a thread in another process (thread injection) 20->55 57 3 other signatures 20->57 23 chrome.exe 20->23         started        25 firefox.exe 20->25         started        process12 process13 27 WerFault.exe 4 23->27         started       
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-05-20 07:21:38 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook autoit unc_loader_036
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
4449e9a59cc1ca8d1be64513c3917526aa5df23af1cb8e046305bcae9faea101
MD5 hash:
a281c7711f98e86481cc5d84075b20c9
SHA1 hash:
d52d048bfbf1a90a896b958fbd089566eb0b44aa
SH256 hash:
0823f2bbf151bc8f13ff90b3d3dcdc858de21b5d9db2e2f1c4b4c60dc5cec557
MD5 hash:
fc23fb330638af03463d039b573ec638
SHA1 hash:
f74cb9732f4fc3dd66af60eab4892e0c8c363a20
SH256 hash:
bf857baf7c06de9e268d402f0368240f5c717dde3f3d51eb52f379938e49bfc5
MD5 hash:
afa062d701ee8f96ef300b9ba9222ae5
SHA1 hash:
c5aedc7a54093126197ff497740a3f33b3656207
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

File information


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

Comments