MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7. 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: 14


Intelligence 14 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7
SHA3-384 hash: 0c9e969d39d98abe6b01d4e3688ba42caa76b2df3eea916b51f5e362d7d54d1dc8908e567106edbf06f12919f5d09c6a
SHA1 hash: 0419579a23899fb28890925f76a2cce5e895a294
MD5 hash: dcce6320278b383d142a5e5add167291
humanhash: magnesium-lithium-snake-three
File name:DOC_839930011100291-PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:776'192 bytes
First seen:2026-02-17 07:17:36 UTC
Last seen:2026-03-06 14:53:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 96944a9beff3e19cb1f487616a09413c (3 x Formbook)
ssdeep 12288:tDeS37qWkCjd5xMqMkVyuXyBhwLZIyjopYd6uMcSJ/y7O4FsItj8mhMNt0ft3Vbe:VLECZMhuXyBMIoRMcSJz4FsIp8mhMNO2
Threatray 2'686 similar samples on MalwareBazaar
TLSH T1EAF4AF2DF4E2A0D1EC2198F20F5E97E14E1A731367A61C9722B802444B954FF2F5EB67
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
149
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
DOC_839930011100291-PDF.exe
Verdict:
No threats detected
Analysis date:
2026-02-17 07:36:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9bb75dfe-c2f7-475e-bc1d-61f38e12b43e

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/53509/
Detection(s):
SecuriteInfo.com.Trojan.Inject6.26815.4004.28311.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6994163b2715406c647a693c
Tags:
malware
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan.Win64.Agentb.sb Trojan.Win32.Inject.sb Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan-Spy.Win32.Noon.bptx Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb
Link:
https://opentip.kaspersky.com/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9e3c1dd9-e410-48d0-90d4-8fec49f1e40b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1870289
Signature
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Suspicious Process Parents
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)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1870289 Sample: DOC_839930011100291-PDF.exe Startdate: 17/02/2026 Architecture: WINDOWS Score: 100 26 www.rym-abid.com 2->26 28 www.panda141.fr 2->28 30 17 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 52 3 other signatures 2->52 10 DOC_839930011100291-PDF.exe 2->10         started        signatures3 process4 signatures5 54 Sets debug register (to hijack the execution of another thread) 10->54 56 Writes to foreign memory regions 10->56 58 Allocates memory in foreign processes 10->58 60 2 other signatures 10->60 13 ngen.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 64 Unusual module load detection (module proxying) 13->64 16 P0xdBEKFwJX.exe 13->16 injected process8 process9 18 calc.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 4 other signatures 18->44 21 PmshM3czw.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 digitalhoneycomb.ai 182.93.93.92, 49733, 49734, 49735 SUBISU-CABLENET-AS-APSubisuCablenetPvtLtdBaluwatar Nepal 21->32 34 www.6v9p82.info 151.243.184.238, 49705, 49706, 49707 RASANAIR Iran (ISLAMIC Republic Of) 21->34 36 11 other IPs or domains 21->36
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/dcce6320278b383d142a5e5add167291
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-02-17 00:00:08 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4ps3acxmb2dfq54m26t2awqma3bjs6nywk5eeg2pof7xxo2qxg3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c82b648de097a84476eae0187e6ae187b4ec872a57cb2dd80aa2c5fdac05df3
Formbook
35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
Formbook
3646eadbf8a4b451c80fc5e3d74a4fbdcb8d2633933cdf3ba038533e56c98e9d
Formbook
44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9
Formbook
5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Formbook
5aa4328001eb57a54a716ba3c7f0fa7f6b8c390828ea8b33a3c85dfb2838a512
Formbook
9c25f0e398787875c5d4513495b884b4392df171d8ae8eecc8e32c762f81c63b
Formbook
c516363e147f458e1806ace3348ded638bfdeef92c663a2478940e45b95cb911
Formbook
error
Formbook
f0827019d570ad314a99dd69590b0c83639c60b1dcac77d708cd6d4959383757
Formbook
f424bb11bb0e71134361f14d3d698933095f8d464d710eb12c131652bbda5164
Formbook
+ 2'676 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/260217-h4266aa14g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7
MD5 hash:
dcce6320278b383d142a5e5add167291
SHA1 hash:
0419579a23899fb28890925f76a2cce5e895a294
Link:
https://www.unpac.me/results/109202cf-935c-405a-ad81-14405bae02cc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3e5b00aec0e/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/e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection 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

Executable exe e3e5b00aec0e8658778cd7a7a05a0c06c29979b8b2ba421b4f717f7bbb50b9b7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53509/

Comments