MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e. 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: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
SHA3-384 hash: 01b3064eff3e059afe5b8578db757844786071ddc1bb3706f5af3f31d427f0f8924d621a125d89e7b398ef971966f9a6
SHA1 hash: a00ac34a3ee9a89656d05134afa0b6b5b3efc136
MD5 hash: c89bf2e22233dfd059c1df221da07c0e
humanhash: wisconsin-batman-maryland-cardinal
File name:a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85
Download: download sample
Signature Formbook
Create hunting rule
File size:1'224'704 bytes
First seen:2025-11-06 10:47:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c1ce208b1192bfcf652c179f34f034d3 (17 x Formbook, 5 x AgentTesla, 3 x a310Logger)
ssdeep 24576:C5EmXFtKaL4/oFe5T9yyXYfP1MAXDzbD2PC+zZ+6QHXA182O:CPVt/LZeJbInGizbDSzZyXA18
Threatray 977 similar samples on MalwareBazaar
TLSH T1B545BE0273C1D062FFAB91334F5AF6115BBC79260127A62F13981D7ABA701B1563E7A3
TrID 50.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
19.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe FormBook upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85
File size (compressed) :718'336 bytes
File size (de-compressed) :1'224'704 bytes
Format:win32/pe
Packed file: a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85
Verdict:
Malicious activity
Analysis date:
2025-11-06 15:13:21 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/5efa9eca-f98e-4abf-acdc-c2d9fc964712

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35893/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c7d09ea0f3e915c238478
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-06T09:47:00Z UTC
Last seen:
2025-11-08T00:11:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/14efa50a-50c5-424d-bbc4-64fd282a4f17
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1809188
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1809188 Sample: a90a05f45a01b9e553fbed70289... Startdate: 06/11/2025 Architecture: WINDOWS Score: 100 26 www.zkoraclecloud.xyz 2->26 28 www.zorani.live 2->28 30 7 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 54 2 other signatures 2->54 10 a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85.exe 4 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 26->52 process4 signatures5 56 Binary is likely a compiled AutoIt script file 10->56 58 Found API chain indicative of sandbox detection 10->58 60 Writes to foreign memory regions 10->60 62 2 other signatures 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 oHw2JIz2eh.exe 13->16 injected process8 process9 18 SecEdit.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Modifies the context of a thread in another process (thread injection) 18->42 44 3 other signatures 18->44 21 et9MlPit7.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.zen-saiya.com 163.44.185.191, 49692, 49693, 49694 INTERQGMOInternetIncJP Japan 21->32 34 www.zorani.live 159.198.70.20, 49704, 49705, 49706 CAT-IDC-4BYTENET-AS-APCATTELECOMPublicCompanyLtdCATT United States 21->34 36 4 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/c89bf2e22233dfd059c1df221da07c0e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e/
Threat name:
Win32.Trojan.Autoitinject
Create hunting rule
Status:
Malicious
First seen:
2025-11-06 10:48:28 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4a7blhkxhnukuys5zjur2qj5543txu3xdt7brvz3akxlbyjzigpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6a6baaeecaf011cf1501cf29567579acf459970aab2ed59118a24942504d4670
Formbook
7e94122a9c483446f957eea2d13bc3088657c59e691372a954fae675145dc3b9
Formbook
8261528703bade8ae4c6c3b7ff181aaaedf5c12e1c2ab9064cf12326a251cbbd
Formbook
90934a7223298d694ec80a01da6b1f869e399db5d6bdea8d87db2473c76142a3
Formbook
a9682daf05dd3a2cc280d1d8682aa875d8d3957e3e2b282af76139c3c3fc8397
Formbook
e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
Formbook
error
Formbook
+ 967 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/251106-mwes4svrfp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a3fd03a2-7ce4-463d-bf02-7f5eba6cdc20
Unpacked files
SH256 hash:
e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
MD5 hash:
c89bf2e22233dfd059c1df221da07c0e
SHA1 hash:
a00ac34a3ee9a89656d05134afa0b6b5b3efc136
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/d985a027-be3a-4dc3-844d-0b5f95f79acf/
Parent samples :
a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85
e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e
SH256 hash:
80858ac79c0b8d117c58bf3bae85004fded91c812dd684274a9a7349730d9630
MD5 hash:
2efeda40bedf4271be629571de4798de
SHA1 hash:
67fe925769506d614f3c8d201f10cf44bc4b547e
Link:
https://www.unpac.me/results/d985a027-be3a-4dc3-844d-0b5f95f79acf/
SH256 hash:
792b15d3a2e4bda9eb56d5d304340ab833da5eb7fabc6a1e05bec6220a5147ec
MD5 hash:
f6d35bda4f0ed16d0f68cbdd6c112242
SHA1 hash:
e2db2d7f6a21882e0e6a25a55b52811fe16998f3
Link:
https://www.unpac.me/results/d985a027-be3a-4dc3-844d-0b5f95f79acf/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e

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
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information

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

Formbook

Executable exe a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85

Formbook

Executable exe e03e159d573b68aa625dca691d413def373bd3771cfe18d73b02aeb0e139419e

(this sample)

  
Dropped by
SHA256 a90a05f45a01b9e553fbed70289ce64994afcb318b11fc2bcd3cfde38fa93a85
  
Dropped by
MD5 5b02cbae4cd3635ad1a147d7a72e5952
Cape
Cape
https://www.capesandbox.com/analysis/35893/

Comments