MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c
SHA3-384 hash: 7d60e9d36587838c47cc36f10f0142495ed03589c6b3560234fc0137ba47ab3a3ccf7f75a317ccb5e2f5e5d97afc181e
SHA1 hash: ba3362f21dd6d52012f68ed0b452fea8295e9d4c
MD5 hash: a096be0ab40066b7c7c633035c4098fe
humanhash: west-illinois-pip-harry
File name:PHOTOS 08-21.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'219'072 bytes
First seen:2025-08-25 08:39:14 UTC
Last seen:2025-09-05 13:12:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (300 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger)
ssdeep 24576:O5EmXFtKaL4/oFe5T9yyXYfP1ijXdaeXkQKithk:OPVt/LZeJbInQRaeXkE
Threatray 586 similar samples on MalwareBazaar
TLSH T1F145BE0273D1C062FFAB91734B5AF6115ABC79260123A61F13981DBAFE701B1563E7A3
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
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
73
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PHOTOS 08-21.exe
Verdict:
No threats detected
Analysis date:
2025-08-25 08:40:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dd4ecb7e-1075-4624-99dd-13c289ef8733

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/23375/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.88696457.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac21516eed937d746dae4d
Tags:
nymeria 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit microsoft_visual_cc nymeria obfuscated packed packed packer_detected threat
Link:
https://www.filescan.io/uploads/68ac21567137d684583b14f3/reports/8e38f471-8b68-4faa-8356-2ab6dc2dd989/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-22T01:50:00Z UTC
Last seen:
2025-08-22T01:50:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a63ba40-9667-4307-835f-ba081937fcdb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764347
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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)
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764347 Sample: PHOTOS 08-21.exe Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 26 www.joyesi.xyz 2->26 28 www.shenzhoucui.com 2->28 30 16 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 54 4 other signatures 2->54 10 PHOTOS 08-21.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 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 13 svchost.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 T2wiY2CSVl22aQsES3b.exe 13->16 injected process8 process9 18 netbtugc.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 MopoBD4mzbWzoY9b.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 exp.gs-cdn.com 172.65.190.172, 49692, 80 CLOUDFLARENETUS United States 21->32 34 www.elettrosistemista.zip 15.197.172.60, 49710, 49711, 49712 TANDEMUS United States 21->34 36 4 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c/
Verdict:
Malicious
Threat:
Trojan.Win32.Zenpak
Link:
https://tip.neiki.dev/file/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-08-22 03:43:10 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czy6ezuhqpl4evuanl6it7tagvojcxgbmpl6riysojrwxulmynga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0813e25bc8a4825e1b27e1e975d0e8510da6dfaead0b445b3acb6eccd6899993
Formbook
1545d84afd2ce44a36cbbe4ba0f152243250aa01a5e3abed0264a3d81aa1ecdb
Formbook
3f1860fe684db010bb065f30b652d4fe4ae0c1b80ad1b33875196affe6d0e569
Formbook
77e14caae3daf05c1f5a6a3d10e4936cc58944d6ae9ec6943b1be6d995e94b5c
Formbook
81fd502ef00b50fc5bea4f97f39daa4d0d820d268850801179a694da3632f248
Formbook
a5a6f22356e3d06be01b18f7343df6895f787f72bde164a6c7a3fb63b678f615
Formbook
ba94e97e0b43b4d344e2cde0e1c5c7041b5efdb61ba3a47f2a7605dd7bb07bd2
Formbook
dd45842d2a7857d5cc5250fe23538be3cc88a33fff794156c3468ac3c8030ee9
Formbook
error
Formbook
f605d6db615c055fc80141bf79ab3f541303cf082244b352352bbd982a7aca50
Formbook
fcc1191044fc336860f08fc9496e1f2c5b038a63dfbc6c989317d4c907744b4c
Formbook
+ 576 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250825-kkpstsdm4y/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b7bee52a-6639-40fc-8a96-270bad770396
Unpacked files
SH256 hash:
1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c
MD5 hash:
a096be0ab40066b7c7c633035c4098fe
SHA1 hash:
ba3362f21dd6d52012f68ed0b452fea8295e9d4c
Link:
https://www.unpac.me/results/e6ca7328-6a6d-4134-bf95-9ae4ef0d4ac2/
SH256 hash:
95d4e6d867da09d9fb2302ef94d540644204068b149018da9258cc36397ffbd2
MD5 hash:
136616fdb1e67935a6142086452e8eef
SHA1 hash:
c14840db3410d29d1a16822b917dacf1860b98eb
Link:
https://www.unpac.me/results/e6ca7328-6a6d-4134-bf95-9ae4ef0d4ac2/
SH256 hash:
b44d6f57aeb656f27afc88f54c97c618d4daa697ee27c10e1887dcb5dd83eea0
MD5 hash:
c3735d448f0d4d3db6fe20d7ad033c84
SHA1 hash:
2edfaa0ec53b3c5459a40bd9d772b25bc6ce4e49
Link:
https://www.unpac.me/results/e6ca7328-6a6d-4134-bf95-9ae4ef0d4ac2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1671e2668783/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/1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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

zip 010adbf57a754d053fc6c5cdc79cfe1d86373b2641a60eaec7b9868f34124bc9

Formbook

Executable exe 1671e2668783d7c256806afc89fe60355c915cc163d7e8a31272636bd16cc34c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 010adbf57a754d053fc6c5cdc79cfe1d86373b2641a60eaec7b9868f34124bc9
Cape
Cape
https://www.capesandbox.com/analysis/23375/
  
Dropped by
MD5 6d8d89cbbeeea97e08de9ebeae8b1120

Comments