MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
SHA3-384 hash: 5323c328414dfef8c2c0f56a10c3d7ee6a4cd9e6e44c584b4c3f6f2d3e60679be715baadc99285f8cad82f085445b586
SHA1 hash: e515fcca35ab34251bba819ca0d481110dc453d2
MD5 hash: 4af350a74661d2b0ef118c4879331b5f
humanhash: bacon-seventeen-item-coffee
File name:fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
Download: download sample
Signature Formbook
Create hunting rule
File size:731'136 bytes
First seen:2025-04-08 08:26:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:md5jYyOn6nzxr4YVwzkV17I+9hc3NvKd+j5I2CZoEjXSrRurH47pj:0Y9n6nYC1JPK9Kdd2luzK
Threatray 3'489 similar samples on MalwareBazaar
TLSH T1BCF4026C6709D617C9959FB54A71F93903BD6EDED802E31A8FDDADEB7823B104C04282
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 :
320
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
Verdict:
Malicious activity
Analysis date:
2025-04-08 12:46:36 UTC
Tags:
evasion stealer exfiltration smtp agenttesla
Link:
https://app.any.run/tasks/ecf86562-ab33-48ab-91b7-5c7c41294577

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=67f4dfb5e011fe619fad2200
Tags:
virus krypt lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67f4ddee40adfb5162bbfd53/reports/6ec03cee-0827-4e01-b6fe-fefbbe16e319/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/56bffe79-e017-4e48-ba2d-dda01ad28894
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659718
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659718 Sample: Ppjyj5a9MI.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 65 us2.smtp.mailhostbox.com 2->65 67 ip-api.com 2->67 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus / Scanner detection for submitted sample 2->77 79 9 other signatures 2->79 8 Ppjyj5a9MI.exe 7 2->8         started        12 bOnJBfAvb.exe 5 2->12         started        14 ZUHFqcY.exe 2->14         started        16 ZUHFqcY.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\bOnJBfAvb.exe, PE32 8->57 dropped 59 C:\Users\...\bOnJBfAvb.exe:Zone.Identifier, ASCII 8->59 dropped 61 C:\Users\user\AppData\Local\...\tmp259E.tmp, XML 8->61 dropped 63 C:\Users\user\AppData\...\Ppjyj5a9MI.exe.log, ASCII 8->63 dropped 93 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->93 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->95 97 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->97 105 3 other signatures 8->105 18 Ppjyj5a9MI.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        99 Antivirus detection for dropped file 12->99 101 Multi AV Scanner detection for dropped file 12->101 103 Injects a PE file into a foreign processes 12->103 29 bOnJBfAvb.exe 12->29         started        31 schtasks.exe 12->31         started        35 2 other processes 14->35 33 ZUHFqcY.exe 16->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 69 ip-api.com 208.95.112.1, 49687, 49689, 49691 TUT-ASUS United States 18->69 71 us2.smtp.mailhostbox.com 208.91.198.143, 49688, 49690, 49692 PUBLIC-DOMAIN-REGISTRYUS United States 18->71 53 C:\Users\user\AppData\Roaming\...\ZUHFqcY.exe, PE32 18->53 dropped 55 C:\Users\user\...\ZUHFqcY.exe:Zone.Identifier, ASCII 18->55 dropped 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->83 85 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->85 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->87 89 Loading BitLocker PowerShell Module 23->89 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 WmiPrvSE.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 31->47         started        91 Tries to harvest and steal browser information (history, passwords, etc) 33->91 49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 12:59:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7wgsydkddk326im7loaeirkh4bxgklww5p63kohbp5otbu44tabq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
470b09e386f5cd8befb4796af1aec03895b755d4219d6b9fc14e41ae5a400e23
Formbook
77b9f807d8cceb59c1446ac8f56d5cfed3164161580365359bcfd409a06a5f77
Formbook
7fdbb9aa555c42d32185cbdc7059b1523278212d0afb365c6d81abcbc545d047
Formbook
a4ce664077c1707b407385c08eb0f4e9299229717ee02b1b1b2f9745ad82613b
Formbook
b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca
Formbook
+ 3'479 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/250408-kcn7bssjv5/
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
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/dc387f9f-ae77-4551-afff-ab254ddae17a
Unpacked files
SH256 hash:
fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
MD5 hash:
4af350a74661d2b0ef118c4879331b5f
SHA1 hash:
e515fcca35ab34251bba819ca0d481110dc453d2
Link:
https://www.unpac.me/results/a8c52193-db3a-419e-990d-d9457c4470b1/
SH256 hash:
84711057a8d0f547c4ec39dfce4f1ee47b3a74a525f0b5bc27377d27bb29c238
MD5 hash:
72d7f727790d5e5b166bffa17410010a
SHA1 hash:
0cea1aff12d331d5886f973cdd329378e62c3451
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/a8c52193-db3a-419e-990d-d9457c4470b1/
SH256 hash:
bbac028c0470bfe98177dde3bbd82b48a316a992fb51797a79e1aca9064bfb9f
MD5 hash:
2e794cc77833e2e5f4a8514a9014e5e8
SHA1 hash:
288d60c2f36ce703122034fec75f56096595a629
Link:
https://www.unpac.me/results/a8c52193-db3a-419e-990d-d9457c4470b1/
SH256 hash:
7c7e910cbe5a35a467f3b8fa1f7061074e8e0fb907b82821d1e6202f49673c23
MD5 hash:
b23a1e718dc516b39032e683eac4ebf0
SHA1 hash:
f47ed52ae1e17489966c9b07a57e160b019b664a
Detections:
win_agent_tesla_g2
Create hunting rule
AgentTesla
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/a8c52193-db3a-419e-990d-d9457c4470b1/
Parent samples :
679e3b146fe4ae9eb288b02f61958fedf2b454f843ed2ca61f620ad789dd32be
5b0296ef10e31e1662174fe51e89dd11326bea63efa085580518db2c681ebd59
b7c70cd300732d7faad3e5a898a93b0dbff2a62ec9555eef0997af34baa721ca
7da29ed5d5ef8e13d8b5631ea4d2868d71721dae0297b260573a877bad180528
916826c3e3c7c235a5d7b88cb905fcf1fc18b0d90665b75522be12189be1680c
1829a5b49d1c30ac6271ab38f248aecc37c40c8fb1cca0ed2b395e94bfe27b86
d097aece3afaf2eeafce3fea88dc99e98ef31465bb9216fbc4bbc0c649dea94c
f972bbbdc84e41e308feb7a58da0fc5783df3f592979ffd49116290e35dd6a04
3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7
229522055e3df0433500a4ca4cf2a302af1552be316018021e7347019cc86e3f
ee9ed4987fb571fe5694f7b4d56b722c2b9c7d4bdd390c405a97b8a907405ebd
fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803
6bc3fb9dea42b005f4c25fa37b42339dead7713416919e400a5d01b98046d197
f0695b975e0e13218720fb19aeead0d365d7dc99ac0d32d8b0227a3224cf56f5
3d23669e6b8b3c81723e8d708f6b96775438190207a7ffc2b3250dc8ad9b6d1f
4cc4ef1db310f70a8f0a7b8c316e7701ffbe9086d75d5bec6f7a8cae9502ce54
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/fd8d2c0d431ab7af219f5b80444547e06e652ed6ebfdb538e17f5d30d39c9803

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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)
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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

Comments