MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84. 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: 18

Intelligence 18 IOCs YARA 25 File information Comments

SHA256 hash:	f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84
SHA3-384 hash:	1a3278ed7e3acfc7377375d459174e0aae958789ab43b5390b7b876671caed24c579ee880d9dae3e48827fdf1734f2d0
SHA1 hash:	4df7b1836b73ca87bef6880a8201ce84ea4657a6
MD5 hash:	2d1e4ee926a2afd06353d3aec169d92d
humanhash:	seventeen-kansas-fish-two
File name:	dekont_2673726726336363.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	688'640 bytes
First seen:	2025-06-30 08:49:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:Y81q04aHnAOaCyKPnppduuKjGfJedcVfvZ0r8omqlYvSdjb:vq09nRxycpEJjG9dv7gjb
Threatray	3'417 similar samples on MalwareBazaar
TLSH	T110E41255392DDC03D0BA0EF50E91C57923B99D8DA622C7D2AFCA2DEBF1E17912841363
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	threatcat_ch
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

468

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

dekont_2673726726336363.exe

Verdict:

Malicious activity

Analysis date:

2025-06-30 08:51:37 UTC

Tags:

netreactor stealer evasion agenttesla ftp exfiltration

Link:

https://app.any.run/tasks/6df953d5-9429-49a3-8627-a6564c628a2b

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/11609/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.3358.2916.32258.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6862726337c343677947b0c5

Tags:

spawn shell lien hype

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

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed packed packer_detected vbnet

Link:

https://www.filescan.io/uploads/686277c245e80b29f8a6754a/reports/28bd3e67-7b12-47c7-8621-c2bd97fbd56f/overview

Verdict:

Malicious

Labled as:

Genie.8DN.Generic

Link:

https://www.hybrid-analysis.com/sample/f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/bc241923-8bf3-44da-ac94-896c4155983d

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

.Net Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/2d1e4ee926a2afd06353d3aec169d92d

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2025-06-30 10:02:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6c43b7gfncf6bfh6lfvsy2lidkhdoidnqlsvdbcnpw6lnrqrrwca._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250630-nrwfqsxycz/

Behaviour

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

Looks up external IP address via web service

Checks computer location settings

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:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3b2669eb-afbc-4e9e-8062-9879c219a61e

Unpacked files

SH256 hash:

f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84

MD5 hash:

2d1e4ee926a2afd06353d3aec169d92d

SHA1 hash:

4df7b1836b73ca87bef6880a8201ce84ea4657a6

Link:

https://www.unpac.me/results/8c1ff87d-b8b4-49e5-b20d-1a63f4a69153/

SH256 hash:

19bb7984811af5c7b837a18a3bbd096724c47a0e2885eadb9ff1a8933757718a

MD5 hash:

b60bff775d77b9e9af6f9a7ae5947d98

SHA1 hash:

11c716371d54786c1d4ab5688ab69a71cc5201ca

Link:

https://www.unpac.me/results/8c1ff87d-b8b4-49e5-b20d-1a63f4a69153/

SH256 hash:

a1f8cf040654382c09ef356987efafc0c54204b51ba83d5700a319ea7fff16d2

MD5 hash:

d72810c4d4fb7d2b4e5dc0e65a486e96

SHA1 hash:

45fa6559ebc803c26f9a76e07e422cd675b652ff

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/8c1ff87d-b8b4-49e5-b20d-1a63f4a69153/

Parent samples :

43a1d69c1f2d0c38298be7068a959e67dd980973eee15a1f143f15dadbb5b573
a6efa39536c28ce7c13801e1dd750d1e2a355a9fbf5b6f8ec234df50d8e93927
dc3c5b7993046434bbbe259da9c49a95022e7c3a32bd859485dc47217f57fe4f
f492eceabb8c08d4b5959a79944f5e5444ca37f0b66e8993eea71f28e2731820
f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84
954f2ac805cd070d9d4d977244ae59b5aaae05a2264ad301b067825af10eb026
363fbee865f233393dcf42844f0a85fbe41fbdba7e02e9f8491149f7f416af50
bdee1f00bac8c820656feaa0a14878285a46cddff586e81080b1eb3f0672d622
2da821a16a58013374b1c28c7d36bd06e6a9e7afc3897e55c0c33da6bbc4f66d

SH256 hash:

1ca94c922ddf89a25a7dc6b5ad7409f368164be2fcdb3f0728d3571a605fee6d

MD5 hash:

ea8437f8783f47eec803a14baf293f25

SHA1 hash:

e586a8d916c5861612bd09c93039489aa0ce62e2

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/8c1ff87d-b8b4-49e5-b20d-1a63f4a69153/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f0b9b0fcc568/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/f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84

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:	agentesla Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked agenttesla malware samples.

Rule name:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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_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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

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:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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_Generic_Threat_779cf969 Create hunting rule
Author:	Elastic Security

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.

Malspam

Formbook

exe f0b9b0fcc5688be094fe596b2c69681a8e37206d82e551844d7dbcb6c6118d84

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/11609/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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