MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
SHA3-384 hash: 44cf57d8fd6cc267ffa9a7de22bb73bf8dda7e77a0dc4e864c94ed54736d3c3c837bd1ce3ec85f9f6432f7cfd6628ab0
SHA1 hash: 71991606c9fa7e7f1e3da21aaeb4ff7718e297fd
MD5 hash: 2ee187b27e60243cd935ed30a64fd00e
humanhash: red-fish-october-cat
File name:a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
Download: download sample
Signature Formbook
Create hunting rule
File size:776'192 bytes
First seen:2025-04-08 08:18:50 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 12288:MdTqYyOn6nzxLjA9RTRYpGmuVOHc+tiw1nKyaxSma7yQNc/NglFszL8jo0k29kix:xY9n6nVET638eiw1sxSmaRZAzQjNk0k9
Threatray 115 similar samples on MalwareBazaar
TLSH T150F40268A709D617CA915BB44D71FA75137D2EEEE402D31B8FDDACEFB922B405C00682
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
Verdict:
No threats detected
Analysis date:
2025-04-08 10:54:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/72e631b9-f747-443a-8469-0e8f96c38d33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4de07e011fe619fad1f4d
Tags:
virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f4dc066258a97207fbfc1e/reports/664ab656-cf65-45fa-9860-df50c4f3739c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/50069389-e380-4ff0-b416-933679ce5efc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659837
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
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 submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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: 1659837 Sample: 4qXPuQhmWX.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 41 www.ticquan.xyz 2->41 43 www.matindi.xyz 2->43 45 17 other IPs or domains 2->45 67 Suricata IDS alerts for network traffic 2->67 69 Antivirus detection for URL or domain 2->69 71 Antivirus / Scanner detection for submitted sample 2->71 75 6 other signatures 2->75 10 4qXPuQhmWX.exe 4 2->10         started        14 svchost.exe 1 1 2->14         started        signatures3 73 Performs DNS queries to domains with low reputation 43->73 process4 dnsIp5 39 C:\Users\user\AppData\...\4qXPuQhmWX.exe.log, ASCII 10->39 dropped 77 Adds a directory exclusion to Windows Defender 10->77 79 Injects a PE file into a foreign processes 10->79 17 4qXPuQhmWX.exe 10->17         started        20 powershell.exe 23 10->20         started        22 4qXPuQhmWX.exe 10->22         started        24 4qXPuQhmWX.exe 10->24         started        53 127.0.0.1 unknown unknown 14->53 file6 signatures7 process8 signatures9 55 Maps a DLL or memory area into another process 17->55 26 or7g4kA4.exe 17->26 injected 57 Loading BitLocker PowerShell Module 20->57 30 WmiPrvSE.exe 20->30         started        32 conhost.exe 20->32         started        process10 dnsIp11 47 www.kakupi.info 47.83.1.90, 49719, 49720, 49721 VODANETInternationalIP-BackboneofVodafoneDE United States 26->47 49 www.lianlianzhibo.net 192.186.58.31, 49693, 80 PING-GLOBAL-ASPingGlobalAmsterdamPOPASNNL United States 26->49 51 7 other IPs or domains 26->51 81 Found direct / indirect Syscall (likely to bypass EDR) 26->81 34 SndVol.exe 13 26->34         started        signatures12 process13 signatures14 59 Tries to steal Mail credentials (via file / registry access) 34->59 61 Tries to harvest and steal browser information (history, passwords, etc) 34->61 63 Modifies the context of a thread in another process (thread injection) 34->63 65 2 other signatures 34->65 37 firefox.exe 34->37         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 12:59:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vhmchiovet7ei5hbysfwvij4npeygmqu76urfcipkt6h2dabchsq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
06f5012aaf05a5d9aefec7a060851cf3d7ddce0220cc09b30cd87d10d69ba554
Formbook
07f8ebfa4624bb85aac0acee4b555bc9e19207a1d7fd9d369a931176ad0bde8e
Formbook
766f0c8014c59d7446c4eac18265088069d00d91cf9686fe77ebacc098c7265f
Formbook
a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
Formbook
c1a4f385aa783b280e78aa0b7e8e5619f319f5dc4ee4d76e6c2bc6c2d079204c
Formbook
dd4179b5a4beb239b0ebd4b6f10561ced525e6270ab670d624c592c174c05aaf
Formbook
error
Formbook
+ 105 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250408-j72kga1rx6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/6573c17a-356a-4bde-bc97-578eab20cdd5
Unpacked files
SH256 hash:
a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5
MD5 hash:
2ee187b27e60243cd935ed30a64fd00e
SHA1 hash:
71991606c9fa7e7f1e3da21aaeb4ff7718e297fd
Link:
https://www.unpac.me/results/c71e9eb3-2af6-4016-9b6c-6cde4272c3a6/
SH256 hash:
bbac028c0470bfe98177dde3bbd82b48a316a992fb51797a79e1aca9064bfb9f
MD5 hash:
2e794cc77833e2e5f4a8514a9014e5e8
SHA1 hash:
288d60c2f36ce703122034fec75f56096595a629
Link:
https://www.unpac.me/results/c71e9eb3-2af6-4016-9b6c-6cde4272c3a6/
SH256 hash:
5186c16f87b12f2eab4e846a34508208a9f44028d974596635bfe065a42a36f9
MD5 hash:
23ac89569a86470735dbea32d0b9687a
SHA1 hash:
515c09bcc3aeeda4422479fe6149855ea1a0aa2c
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/c71e9eb3-2af6-4016-9b6c-6cde4272c3a6/
SH256 hash:
fc6795eea254ce3fba9b3d460ee522248702163fa7f0c6a393fd501eb484f154
MD5 hash:
38e49fe7bb938d5ecbdd15621c86cdb6
SHA1 hash:
f56ff6479672106b6fdcd7e317f97415e01fb8cd
Link:
https://www.unpac.me/results/c71e9eb3-2af6-4016-9b6c-6cde4272c3a6/
SH256 hash:
750ea86c4653d26466f07091e66331cef155faf328d90627314f8e24aca0cbf6
MD5 hash:
32ac9c022ab066a847bcef5f3c04d6c3
SHA1 hash:
9de1ccad57aa1aa368173bf544984620f5a90ba8
Link:
https://www.unpac.me/results/c71e9eb3-2af6-4016-9b6c-6cde4272c3a6/
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/a9d823a1d524fe4474e1c48b6aa13c6bc9833214ffa912890f54fc7d0c0111e5

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

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 (HIGH_ENTROPY_VA)high

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