MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e. 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


AgentTesla


Vendor detections: 15


Intelligence 15 IOCs YARA 16 File information Comments
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SHA256 hash: dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
SHA3-384 hash: 5d8fbe6f916994959d4003c0c6e30a7a17790b0513f900c77163a9496b1e24b08ca660a16d069117ad1b9d8df6583cbc
SHA1 hash: 301aba036a28e40ab6e49ce6b0df1289b156aeb6
MD5 hash: a3e5577f627b7df98fd4e1b3aa74bc43
humanhash: timing-nevada-washington-golf
File name:PO-010816-WA0002.pdf..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:740'864 bytes
First seen:2024-02-20 14:01:33 UTC
Last seen:2024-02-20 14:44:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:XXD8/0ExKjx2JVIFKuLfoiB+zuujnDPtzImhvprfbatSKKhMQ58sIzOO+sO5xk9r:n/0aPDXBnuvPtzJp5fGtSN8sISOM5xk9
TLSH T13DF423146AFDFB29C53693F8E86A29E39BFE7F26D591F0250E8135F071123981A41F12
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon 3000327171b20030 (3 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477065/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.2473.17504.UNOFFICIAL
Create hunting rule

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 a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65d4b0df22703c3491a79949/reports/e6d4ef94-e488-48eb-aee7-aac99893db10/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d95d1611-33cb-413f-86f5-80aa58662767
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395304
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1395304 Sample: PO-010816-WA0002.pdf..exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 21 smtp.doogeee.com 2->21 23 us2.smtp.mailhostbox.com 2->23 25 2 other IPs or domains 2->25 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 11 other signatures 2->39 8 PO-010816-WA0002.pdf..exe 4 2->8         started        signatures3 process4 signatures5 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->45 47 3 other signatures 8->47 11 PO-010816-WA0002.pdf..exe 15 2 8->11         started        15 powershell.exe 23 8->15         started        process6 dnsIp7 27 ip-api.com 208.95.112.1, 49704, 80 TUT-ASUS United States 11->27 29 us2.smtp.mailhostbox.com 208.91.199.223, 49705, 49715, 49716 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 31 api.ipify.org 104.26.12.205, 443, 49702 CLOUDFLARENETUS United States 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 17 WmiPrvSE.exe 15->17         started        19 conhost.exe 15->19         started        signatures8 process9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-19 22:58:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3s6uztce7drf6gp3uqrqj2guy7sjdoculhghrbo5mxi54mpwvoha._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240220-rb4nyshc4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
6d428f570f89af8607428870058faba381f29cb1d262a180695ceab23ecee5b8
MD5 hash:
7dbc7aa8a8e744872ea910398f868919
SHA1 hash:
e9b0aa849a97710d87f3b91589fbece61a1a90b6
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/27973244-00b9-476b-a4d0-54713957d9fa/
Parent samples :
e5ba47d37554211c555170329555afae35d41989297a18bddbf33bfb2d30a6f0
dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/27973244-00b9-476b-a4d0-54713957d9fa/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/27973244-00b9-476b-a4d0-54713957d9fa/
SH256 hash:
d0639747b5920574a38f947185db9e7fb939088ea10afce627b666d47fa1ee0c
MD5 hash:
b6655c45380f07d4201a079aec804228
SHA1 hash:
685cc28e11f331f98c57f348a46b9742ff6b6364
Link:
https://www.unpac.me/results/27973244-00b9-476b-a4d0-54713957d9fa/
SH256 hash:
dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e
MD5 hash:
a3e5577f627b7df98fd4e1b3aa74bc43
SHA1 hash:
301aba036a28e40ab6e49ce6b0df1289b156aeb6
Link:
https://www.unpac.me/results/27973244-00b9-476b-a4d0-54713957d9fa/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dcbd4ccc44f8/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/dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e

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: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: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:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 2ea4d202cd5596cbcdfe44d30dc3aec6ddb6a1e3465471f010bfd715df076f92

AgentTesla

Executable exe dcbd4ccc44f8e25f19fba42304e8d4c7e491b85459cc7885dd65d1de31f6ab8e

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/477065/
  
Dropped by
SHA256 2ea4d202cd5596cbcdfe44d30dc3aec6ddb6a1e3465471f010bfd715df076f92
  
Dropped by
MD5 5008766fb39cb507b5aa3e63e00421a2

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