MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9
SHA3-384 hash: 8a22176199bd076bb489f29ee2ed025d024f6c0e035a8d2c5a4749d4d40f810b4c237dc80c5d8abe9668ffa8835a7b1b
SHA1 hash: 08b1462c1ef467a37f1891d52320b0367b707dce
MD5 hash: 4f672157220ca48e05f28435ba57fdf1
humanhash: whiskey-winter-winter-pasta
File name:neworder000625.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:851'456 bytes
First seen:2025-08-11 10:06:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:PdFdA7Dh/ExI+KzNwcknGJUk9xuXuDQzQ6m1H60GLEiHd:mDhyI+KWZWUkDueArmFZ
TLSH T1BB0512017316EC03E6A747B50960DA7417BA5ECE7A0ACBCB8FE52DEB74D2B549201B43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 01bebebaaeca89a8 (3 x Formbook, 2 x MassLogger, 1 x RemcosRAT)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
neworder000625.exe
Verdict:
No threats detected
Analysis date:
2025-08-11 10:11:22 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/41f0610b-eeaf-4d88-8e8d-90f73001e788

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/20126/
Verdict:
Malicious
Score:
70.0%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6899c0dec633abe3908dc98a
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/6899c0e39ef4d2ff7cf5e2a1/reports/f4a3e3f4-5a76-4cb9-9dcb-91186243f389/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/03464393-f071-4a3a-b141-d26a0533c23b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1754491
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754491 Sample: neworder000625.exe Startdate: 11/08/2025 Architecture: WINDOWS Score: 100 34 www.br199805.xyz 2->34 36 www.zavico.life 2->36 38 18 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 54 5 other signatures 2->54 11 neworder000625.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 34->52 process4 file5 32 C:\Users\user\...\neworder000625.exe.log, ASCII 11->32 dropped 64 Injects a PE file into a foreign processes 11->64 15 neworder000625.exe 11->15         started        signatures6 process7 signatures8 66 Maps a DLL or memory area into another process 15->66 18 z2VIkoDYDZapf7.exe 15->18 injected process9 process10 20 logman.exe 13 18->20         started        signatures11 56 Tries to steal Mail credentials (via file / registry access) 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 60 Modifies the context of a thread in another process (thread injection) 20->60 62 3 other signatures 20->62 23 GIwROfhxFN.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 livelens.click 15.197.225.128, 49724, 49769, 49770 TANDEMUS United States 23->40 42 www.ecolink.group 212.227.172.253, 49761, 49762, 49763 ONEANDONE-ASBrauerstrasse48DE Germany 23->42 44 9 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9/
Verdict:
Malicious
Threat:
Trojan.MSIL.Inject
Link:
https://tip.neiki.dev/file/b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 06:44:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhx3xwarqoyojoayivnuicntw7cykidjcmdbj7yxlk6j3etx5xeq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
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/250811-l5tsysznw8/
Behaviour
Suspicious behavior: EnumeratesProcesses
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/0fa6d505-9ff5-4907-9236-7971411178bd
Unpacked files
SH256 hash:
b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9
MD5 hash:
4f672157220ca48e05f28435ba57fdf1
SHA1 hash:
08b1462c1ef467a37f1891d52320b0367b707dce
Link:
https://www.unpac.me/results/638ebf84-21e1-4e46-9384-c54e33af8c35/
SH256 hash:
04ec771b7c29389eeb743893134abcf5e345bf36f594c0b1ee878d65a779d563
MD5 hash:
449d2a32a9b433e5dbda01cf5a0f34b8
SHA1 hash:
142301efe123ec70c0113e395079af037714b000
Link:
https://www.unpac.me/results/638ebf84-21e1-4e46-9384-c54e33af8c35/
SH256 hash:
41f05afc77e61e5ae04b486865fdc040f2baef2a48aa0c6c669cb8cd06bc9bed
MD5 hash:
0e4b10eb5cd9660ae69f8313a2210869
SHA1 hash:
8257c12bc11ee5a97951d1b9f2bafbeb39680771
Link:
https://www.unpac.me/results/638ebf84-21e1-4e46-9384-c54e33af8c35/
SH256 hash:
fdd79cdb346cc668a69cbf94a9fa66d8ad6bc67e66fad4807f0021efb47eba50
MD5 hash:
14da0a38e11f17a79030731607a2b6eb
SHA1 hash:
d8e886a28d9a1e0922fd646107da39817997909f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/638ebf84-21e1-4e46-9384-c54e33af8c35/
SH256 hash:
929f68ecbc742673a03b398ee461f40d1b3d528fe3bfd4a37b6fd6b65fb97f94
MD5 hash:
489d02e73ca15a65d2254b2bf5cebca1
SHA1 hash:
a242c550f61bcbe65e1dde36e0f7ce6cdc126218
Link:
https://www.unpac.me/results/638ebf84-21e1-4e46-9384-c54e33af8c35/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9efbbd81183/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe b9efbbd81183b0e4b818455b4409b3b7c5852069130614ff175abc9d9277edc9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/20126/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments