MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836. 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: 20


Intelligence 20 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
SHA3-384 hash: d63777ecd045f5e199e16a2293a4f5c7ebb15412732d64d359d23f17c61c71c68185b598bca1d6c27d1b4a58e9143b8e
SHA1 hash: f831eeb2e6ef149a2b0daa5d65adf42ffe52282e
MD5 hash: acb7adde7750e1227cdfce8edc79f262
humanhash: lion-asparagus-tennessee-south
File name:Purchase Order # PO25080056.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'243'136 bytes
First seen:2025-08-27 07:00:54 UTC
Last seen:2025-08-27 13:30:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (305 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:I5EmXFtKaL4/oFe5T9yyXYfP1ijXdaoMhn1MvWYi5pyit:IPVt/LZeJbInQRaoSMvWYGpy
TLSH T19B45CF027381D062FFAB91734B5AF6115BBC7A260123A62F13981D79FE701B1563E7A3
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 payment

Intelligence

File Origin
# of uploads :
5
# of downloads :
69
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order # PO25080056.exe
Verdict:
No threats detected
Analysis date:
2025-08-27 07:03:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c246ec52-fdab-4a23-96c8-00906f2222b7

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/23777/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68aead44eb163e0ec182d360
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit cmdkey compiled-script evasive fingerprint keylogger lolbin masquerade microsoft_visual_cc mmc obfuscated packed packed packer_detected threat
Link:
https://www.filescan.io/uploads/68aead4a28a89d9dd4f5375d/reports/cc7f10fc-2948-4963-96f5-4f3b7dbe5a53/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-27T01:10:00Z UTC
Last seen:
2025-08-27T01:10:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d348a192-4bdd-48c1-89b6-1585d6ac6f83
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1765953
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Initial sample is a PE file and has a suspicious name
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: 1765953 Sample: Purchase Order # PO25080056.exe Startdate: 27/08/2025 Architecture: WINDOWS Score: 100 31 www.thrivepro.xyz 2->31 33 www.copygamefi.xyz 2->33 35 18 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 4 other signatures 2->51 11 Purchase Order # PO25080056.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Writes to foreign memory regions 11->63 65 Maps a DLL or memory area into another process 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 17 wibBN0L65lG5.exe 14->17 injected process8 process9 19 isoburn.exe 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 3 other signatures 19->59 22 ug0aE5Ek.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.si.edu.cdn.cloudflare.net 104.18.0.107, 49700, 49701, 49702 CLOUDFLARENETUS United States 22->37 39 www.twinspapa81.shop 110.10.197.56, 49720, 49721, 49722 SKB-ASSKBroadbandCoLtdKR Korea Republic of 22->39 41 10 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-08-27 04:34:36 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pi6p6zfmoywvbn5getref7spf5xchlid3jtb7g2ai3tlmbftda3a._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/250827-hte9msxly2/
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
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/f49ad250-5244-4a86-85cb-384a3be24580
Unpacked files
SH256 hash:
7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
MD5 hash:
acb7adde7750e1227cdfce8edc79f262
SHA1 hash:
f831eeb2e6ef149a2b0daa5d65adf42ffe52282e
Link:
https://www.unpac.me/results/f1d6eedf-a4f5-48a4-8dda-95cbf11e1ef3/
SH256 hash:
ab600bb53740320b64bcadfe958098e62a3f571fd410d80f17ed64fa7284e23b
MD5 hash:
08bca8e0a0f827f6dbc11ce93663cc65
SHA1 hash:
70de315a424cbfede37e47ac249d6b8781325a0c
Link:
https://www.unpac.me/results/f1d6eedf-a4f5-48a4-8dda-95cbf11e1ef3/
SH256 hash:
109499fe727a3836c0e07d87139f9e573ed9630e9ced05a3d67a04dfea633336
MD5 hash:
476c2a3791e77cfd5c0293ae4369ec26
SHA1 hash:
cdf8d671c463d0c5b453feffa9cd09fe0a1d0f87
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f1d6eedf-a4f5-48a4-8dda-95cbf11e1ef3/
Parent samples :
b3519529f6d34d7fa3108901fe68b12f4577de4e610433e1ae733666fd8f1126
63042251c69af48ed27bf8dc6209781fa1b37dbd799105d465f80c4a91e10ac8
5de40cb80d71ff5cabc77ed1ae871532f78c3a74823c92e0a54ed1a8fd062297
18082263ea483e29b2c7a346f29f4ff19a841f6b3e0d47cd4790198d5941a57f
08b96a68c593011798acf77b26d2564f0855ad6792f9fb055e9bea2bcae4c1c1
7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836
b8adc251d1e8c5217d3de458c277b3866f1b90e8d3d998f0b40ba5df25cbee17
fd2ce532e9c7694be3ffe0ce3f0c9024929fd3dca7e9147bafb7b7ef1aeeded8
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a3cff64ac76/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/7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

rar 7ab869f277681d3da4cd61211132ae109f5e9f40a900614524375023090f0cce

Formbook

Executable exe 7a3cff64ac762d50b7a624e242fe4f2f6e23ad03da661f9b4046e6b604b31836

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7ab869f277681d3da4cd61211132ae109f5e9f40a900614524375023090f0cce
Cape
Cape
https://www.capesandbox.com/analysis/23777/
  
Dropped by
MD5 200da93dfa3351baf8a980f96fe5cdbb
  
Dropped by
SHA256 29de45d448268fcf11f8cc0f0ddb9a8f5a2083fd5c281f24296e11aca2dd1a4c
  
Dropped by
MD5 4afd7e6d54145ae27910a1ce5f0c04be
  
Dropped by
SHA256 9edf51f4f1bbf78ec104ef562518a6d41330910853c04061ba79bee4f48cdb0f
  
Dropped by
MD5 f4daac0a7585b67265c7af547e681e5d

Comments