MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
SHA3-384 hash: d496ecd1a1c3d92d4a530f8ede716fb2c5f64b3dd567cb1e661fe6c907ebb170f774f44d3cad5a4a48b0dce1a33d080c
SHA1 hash: 993682786e4bd8a63733027f6763d45302ac6923
MD5 hash: fd80c7c3fba30e5924fd26254ed4a1b8
humanhash: table-emma-twelve-happy
File name:FACTURA_RV-23882 Pvt Ltd.pdf
Download: download sample
Signature Formbook
Create hunting rule
File size:1'249'280 bytes
First seen:2025-11-03 16:26:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 52 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:t5EmXFtKaL4/oFe5T9yyXYfP1ijXdaRak3NBDTjL2IomWOII6:tPVt/LZeJbInQRaRdPj2N/p
TLSH T19C45BF0273C1C062FFAB95334B56F6115BBC79660123AA2F13981DB9BE701B1563E7A3
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 pdf

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FACTURA_RV-23882 Pvt Ltd.7z
Verdict:
No threats detected
Analysis date:
2025-11-03 16:28:46 UTC
Tags:
arch-doc
Link:
https://app.any.run/tasks/85069bcb-2bdc-4e3e-98ba-a895d5381d4c

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/35174/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6908d7cc9942f1282ecbb7ce
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
DNS request
Connection attempt
Сreating synchronization primitives
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Trojan.BAT.Agent.gen
Link:
https://www.hybrid-analysis.com/sample/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-03T12:35:00Z UTC
Last seen:
2025-11-05T09:27:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb Trojan.Win32.Inject.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win64.Injects.hgu PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan-Spy.Noon.HTTP.ServerRequest
Link:
https://opentip.kaspersky.com/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b8a4a02-c8de-4aba-9ba8-dc507714c42e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1807095
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)
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1807095 Sample: FACTURA_RV-23882 Pvt Ltd.pdf.exe Startdate: 03/11/2025 Architecture: WINDOWS Score: 100 31 www.yeslinea.xyz 2->31 33 www.directavalanche.xyz 2->33 35 15 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 6 other signatures 2->51 11 FACTURA_RV-23882 Pvt Ltd.pdf.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 d2BGArWzU8r.exe 14->17 injected process8 process9 19 wlanext.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 IZNuBMwvVLz.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.kixtwtrobrhyrwby.shop 154.19.246.13, 49721, 80 RICHTOPEC-AS-APRichTopECLimitedHK United States 22->37 39 www.dietaprovb.info 104.21.17.97, 49775, 49776, 49777 CLOUDFLARENETUS United States 22->39 41 8 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/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/fd80c7c3fba30e5924fd26254ed4a1b8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-11-03 16:27:43 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4le67ycrz6mpv4d7podcbs7ciuayxs7ro6pez56o4rv6nhekpgiq._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/251103-tyf8aasrhp/
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a215a4a0-06aa-4ffc-8221-e1717babe1b3
Unpacked files
SH256 hash:
e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
MD5 hash:
fd80c7c3fba30e5924fd26254ed4a1b8
SHA1 hash:
993682786e4bd8a63733027f6763d45302ac6923
Link:
https://www.unpac.me/results/ce572e33-87e7-4885-9d20-f95ed26e4abb/
SH256 hash:
b8103fab1c5e9a0476032027203d337a39dccc46710e8e53df73a5f6f67ab2e3
MD5 hash:
2a8e2dec09241f10ce4d319b10aac4c1
SHA1 hash:
78040d1511a4d31c102c0423a988ac7e088d49e6
Link:
https://www.unpac.me/results/ce572e33-87e7-4885-9d20-f95ed26e4abb/
SH256 hash:
93b35e58eb964c9de7a10dbf9d54042cee23eb99c648db2e77d4aa32aba113bc
MD5 hash:
f22b8401c90b454465c3f8d92e3be92b
SHA1 hash:
f987564a87a786fdaa1949100c4982ec4bf6a379
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ce572e33-87e7-4885-9d20-f95ed26e4abb/
Parent samples :
183d51674a5f6425a8a1fba8fbbca176ecb4525d5587d4906737ce7b89e9fcac
e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991
4139421ed55c3e312d485d67869250d329a4f2e50407e0fcddd74ee419abf216
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e2c9efe051cf/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/e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Malspam

Formbook

7z f0d394d8a4a36c7821fec38cbb578db1f4a1189bd87cb256122cac6f4bb2cc51

Formbook

Executable exe e2c9efe051cf98faf07f7b8620cbe245018bcbf1779e4cf7cee46be69c8a7991

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f0d394d8a4a36c7821fec38cbb578db1f4a1189bd87cb256122cac6f4bb2cc51
  
Dropped by
MD5 ada21b1691a712173228ec5c81d0d171
Cape
Cape
https://www.capesandbox.com/analysis/35174/

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