MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9
SHA3-384 hash: d2ddcc92f5ca832d44ea9abdceb1923f3548898e32f46dd74a3989b6210571908e81c84aa5990d70517b7480aced2ce5
SHA1 hash: 53bcc2f8c5dffe685f94661644fdfe0aa10ec047
MD5 hash: 04b9e29546b1f4d7f73d4032b22fa1fb
humanhash: black-iowa-aspen-bacon
File name:QQ018252-1.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'324'032 bytes
First seen:2026-05-21 14:06:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 279daa640d9140f9842860a738abd363 (40 x Formbook, 8 x AgentTesla, 2 x CastleLoader)
ssdeep 24576:/qDEvCTbMWu7rQYlBQcBiT6rprG8al89wXnIGjk0+PTyCKC0ea:/TvC/MTQYxsWR7alX006
TLSH T17355C0027391C062FFAB92334F5AF6115BBC69260123E61F13A81D79BE705B1563E7A3
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'697 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla)
Reporter TomU
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
AutoIt AutoStones
Details
AutoIt
extracted scripts and files
AutoStones
the names of side-loaded components and, if available from processing of a parent file, the deobfuscated components
Link:
https://research.acce.ciphertechsolutions.com/results/ab80a425-4a21-4a92-8182-ade18eed5816/
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/67256/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0f160598070a72bb9c65f0
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint installer-heuristic keylogger microsoft_visual_cc packed reconnaissance
Link:
https://www.filescan.io/uploads/6a0f16628def8655bd61428b/reports/81d8c4eb-0a4e-44bc-9fd5-2471545deb20/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9
Verdict:
Malicious
File Type:
exe x32
First seen:
2024-07-30T10:25:00Z UTC
Last seen:
2025-08-22T15:12:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/573878d9-149a-475a-85b1-cc70b80015b0
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9/
Threat name:
Win32.Trojan.AutoInMalInjector
Create hunting rule
Status:
Malicious
First seen:
2024-07-30 15:57:09 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzn457vsku33govefyafux5jpibjhwhsyxuu3vxuxsfoekehg2uq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260521-rffspaey7q/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9
MD5 hash:
04b9e29546b1f4d7f73d4032b22fa1fb
SHA1 hash:
53bcc2f8c5dffe685f94661644fdfe0aa10ec047
Link:
https://www.unpac.me/results/ed1bef8c-5052-408a-accb-d76ed53f99d9/
SH256 hash:
92a97c95613e3b273bf2e0a36e8e2cf547c4754c18e0fa85cb2d769acf6c9693
MD5 hash:
4a4ac4dd84274cef1e5a239557ff024a
SHA1 hash:
6906a7e46d30b3152da03349ac7bf77d2c305dfc
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
triage_formbook
Create hunting rule
Link:
https://www.unpac.me/results/ed1bef8c-5052-408a-accb-d76ed53f99d9/
Parent samples :
52d5c762af537da5608ae0f3d41a2333b67ded34eec044ef1bf2fb55ef64a346
916de120c4d2812634e1124697edf5bad6eebd8c863e55fec1603fdf5a3f8bf7
c90b07c5a8fc34bd981b78834dcf6822f48c81db37d3c4e078dbd77e64d6d03b
6e91e87caf50bb5082e3a47af60257d589180308263ec48f6d6d11d211b14565
de619620b09f8e87741e0b3976f0441e68223bce0fb5bf0484c433edb39dd362
a42b86a6e286e1f86fdfd5f60d42b7deac0eb1af0fb680950672ac1002ff1b97
572bac7bbc6f0698807db58bdd1004831a71bab2d53d0141cbe31dc853acae07
ec0abef5fb66cd68576c583e78297f1c1e270f66be5a04236b116d99b9ee5b0e
0854c21ed7648b1d45e780c75bf6dc9e72858c93caf2828ff5af718c21f63f13
1561ad922077feff2c52da3e2c2e514c0e8e897a49b3bf74237c53b86eb4e064
1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9
2306569ae53954b8bee076cfb80432410510932168046b66920494c953b17aeb
SH256 hash:
319d82c9174f374060747104a9df9480375a6d12d11fec439143240e5d76dbde
MD5 hash:
9f76f1a91f013e068464f82588946e4e
SHA1 hash:
03dbd37be5543d4cf46bfc6609f5aa049ccac73e
Link:
https://www.unpac.me/results/ed1bef8c-5052-408a-accb-d76ed53f99d9/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e5bcefeb255/report/overview.html
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/1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

Formbook

Executable exe 1e5bcefeb25537b33aa42e005a5fa97a0293d8f2c5e94dd6f4bc8ae2288736a9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/67256/

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