MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393
SHA3-384 hash: 6cc9aabd9bca43b1362bf1adcc69b35b9854220c21b30a123d0c6b5adc2aa6511bafa2d8e1abd176dd63d773d482cfab
SHA1 hash: 438318c24937837e403db5399707323288d911b5
MD5 hash: ecee5cac8dbb4b2ff440836979ea5835
humanhash: mars-december-ack-carbon
File name:REF930008102929110222_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:901'120 bytes
First seen:2025-09-03 08:52:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:7LtICqRROmvBMtE+emfLAkdthKyYxc5L:7GCwo21+zdmO
Threatray 687 similar samples on MalwareBazaar
TLSH T143150278B18E48E7E26A49B44579BC616BB170E3B9C9D6B40B296148CFE7F503F0844F
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
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
avast.com
Verdict:
Malicious activity
Analysis date:
2025-09-03 08:51:38 UTC
Tags:
evasion stealer anti-evasion auto-sch-xml smb arch-exec
Link:
https://app.any.run/tasks/3fe91f1b-3afc-475c-a88f-df967ab2ea74

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/24871/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b801d4eb163e0ec1843809
Tags:
micro spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/68b801d939a6221faa7c3395/reports/f3f8c9d7-14e5-4de4-b53c-b12619aba3ee/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-03T05:54:00Z UTC
Last seen:
2025-09-03T05:54:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d7007e61-a5df-4ef5-8a74-fe8f72146460
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1770192
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Loading BitLocker PowerShell Module
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 dropped file
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1770192 Sample: REF930008102929110222_PDF.exe Startdate: 03/09/2025 Architecture: WINDOWS Score: 100 63 www.psycho-course.xyz 2->63 65 www.78447374.xyz 2->65 67 22 other IPs or domains 2->67 89 Suricata IDS alerts for network traffic 2->89 91 Sigma detected: Scheduled temp file as task from temp location 2->91 93 Multi AV Scanner detection for submitted file 2->93 97 6 other signatures 2->97 9 REF930008102929110222_PDF.exe 7 2->9         started        13 xamCeFmQwsr.exe 5 2->13         started        signatures3 95 Performs DNS queries to domains with low reputation 65->95 process4 file5 55 C:\Users\user\AppData\...\xamCeFmQwsr.exe, PE32 9->55 dropped 57 C:\Users\...\xamCeFmQwsr.exe:Zone.Identifier, ASCII 9->57 dropped 59 C:\Users\user\AppData\Local\...\tmpEDF5.tmp, XML 9->59 dropped 61 C:\...\REF930008102929110222_PDF.exe.log, ASCII 9->61 dropped 99 Uses schtasks.exe or at.exe to add and modify task schedules 9->99 101 Writes to foreign memory regions 9->101 103 Allocates memory in foreign processes 9->103 105 Adds a directory exclusion to Windows Defender 9->105 15 MSBuild.exe 9->15         started        18 powershell.exe 23 9->18         started        20 powershell.exe 23 9->20         started        30 3 other processes 9->30 107 Multi AV Scanner detection for dropped file 13->107 109 Injects a PE file into a foreign processes 13->109 22 MSBuild.exe 13->22         started        24 schtasks.exe 1 13->24         started        26 MSBuild.exe 13->26         started        28 MSBuild.exe 13->28         started        signatures6 process7 signatures8 111 Maps a DLL or memory area into another process 15->111 32 nr6Fs8F9m.exe 15->32 injected 113 Loading BitLocker PowerShell Module 18->113 35 WmiPrvSE.exe 18->35         started        37 conhost.exe 18->37         started        39 conhost.exe 20->39         started        41 n0qVu316TX.exe 22->41 injected 44 conhost.exe 24->44         started        46 conhost.exe 30->46         started        48 WerFault.exe 30->48         started        process9 dnsIp10 75 Writes to foreign memory regions 32->75 77 Allocates memory in foreign processes 32->77 50 SearchIndexer.exe 32->50         started        69 www.269578.top 23.231.131.172, 49727, 49728, 49729 TAKE2US United States 41->69 71 novatek.tech 84.32.84.32, 49771, 49772, 49773 NTT-LT-ASLT Lithuania 41->71 73 11 other IPs or domains 41->73 79 Maps a DLL or memory area into another process 41->79 53 SearchIndexer.exe 41->53         started        signatures11 process12 signatures13 81 Tries to steal Mail credentials (via file / registry access) 50->81 83 Tries to harvest and steal browser information (history, passwords, etc) 50->83 85 Modifies the context of a thread in another process (thread injection) 50->85 87 3 other signatures 50->87
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Link:
https://app.malva.re/file/ecee5cac8dbb4b2ff440836979ea5835
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2025-09-03 08:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfo6ogjgvhavav5coz5mn2rhykbjwoyfylwpv4zfwbyleoqs6ojq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
Similar samples:
1f3fa2be48b42d1aea6fdf4c2cf9bc8de2bdee0db74214aee951081b611fdbd7
Formbook
27d9bc341947a02d196c43a4ecc1ad5d0506e34b901fa8dd1d74be4eaa8753cf
Formbook
3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
Formbook
4da133b1ed7d9098b7b76b888472c069a08da9334cac292ea995c113d54812e3
Formbook
5a30c4e68c8a9e2fa23d7176efd9f712624fb375d443c25b8829dd307e8b030d
Formbook
7e2f600443bbc2848ee277e188f5b7095d6c203d8e023a84224ba8dbb3532234
Formbook
a4e1ceb8458e0bca4119adb33ded5b1ef154f0ba69594b2079fbbcfb48cbe4ce
Formbook
b0be564eb26f9cf2f58ea450d43194f3a4fb7dd2ca16375e3ecbfd636e5e7c13
Formbook
ce6fbf350e4ac03e03c66b9d4d8547e2bc6856a0aa343e771c9a63c3e55cf91b
Formbook
e3f0db807199f2c11edacf8fa4a177b047b984f1fb5e85418c43d64c63bddf6d
Formbook
error
Formbook
+ 677 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250903-kszm1ax1as/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/061e488c-86b7-42c4-b54e-278ea84161ca
Unpacked files
SH256 hash:
395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393
MD5 hash:
ecee5cac8dbb4b2ff440836979ea5835
SHA1 hash:
438318c24937837e403db5399707323288d911b5
Link:
https://www.unpac.me/results/2be6920a-e16e-4b4b-8127-be0de5f8f6f2/
SH256 hash:
4376296f397688a60b713fe7decabac9c9247b5476a5c28c17c905839ea0c372
MD5 hash:
c426f5d21c96eb1ab0e6691d106320ed
SHA1 hash:
1182e71e70fd0f191f043fabb48728a559d16c2e
Link:
https://www.unpac.me/results/2be6920a-e16e-4b4b-8127-be0de5f8f6f2/
SH256 hash:
ca271f8d1057fa888ee32041f306939fda18a99ee45e4b4bc1b59f90c808ac9a
MD5 hash:
1556e57adfc231e824d53e3997b067dd
SHA1 hash:
3cf721a6a943a482f756cc91a323a0136299dc49
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/2be6920a-e16e-4b4b-8127-be0de5f8f6f2/
SH256 hash:
bc4f68640c1ff0e78f424ee828ee6ca20a8528ea1d51d3ea3e7c741f25bd9398
MD5 hash:
2656bf8d39a9ad50c4473d0d694a1749
SHA1 hash:
93281e0d4690eb9aa59a4ef70aa1347b79c3a551
Link:
https://www.unpac.me/results/2be6920a-e16e-4b4b-8127-be0de5f8f6f2/
SH256 hash:
336f16e937d3ae2581228af1d47f34f53f5d3c55c57a9772972a2767cab910e0
MD5 hash:
3fafe3fe9757144c82cb6664da5773d4
SHA1 hash:
4e236f5f66af5d23009720df578661e12e0d4894
Link:
https://www.unpac.me/results/2be6920a-e16e-4b4b-8127-be0de5f8f6f2/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/395de71926a9/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/395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393

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: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: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: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 395de71926a9c15057a2767ac6ea27c2829b3b05c2ecfaf325b070b23a12f393

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24871/

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