MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments
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SHA256 hash: 8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
SHA3-384 hash: 81cfc707555064614d919bb5cabc4af483869c2b45c07e11d31e5d031fb2f7982c65c91e5cd5ba1c189a031702aeb1a1
SHA1 hash: 5a3ccac881f50cb3d2495a195dc1494170695537
MD5 hash: 1f439470279f66f33908cfba0e8effd5
humanhash: jersey-carbon-failed-texas
File name:SecuriteInfo.com.FileRepMalware.31690.32107
Download: download sample
Signature AgentTesla
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File size:693'256 bytes
First seen:2024-04-30 05:20:49 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:OQueWFm+pB08a5EivrVdpv+qynyCVtduGcthkOWJFTopm+b2SHd3RxhdpAtmkR:WRFm+pO8abrfyyOrHsCXqd93RLbAD
Threatray 4'433 similar samples on MalwareBazaar
TLSH T115E423057BB85741CA719BFA2264940E0772B22618F1EADD2DDCE4DC6853F900B36F5B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 8296e6e2b8989684 (8 x AgentTesla, 3 x Formbook, 2 x PureLogsStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e.exe
Verdict:
Malicious activity
Analysis date:
2024-04-30 05:24:20 UTC
Tags:
stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/87cfb92a-10b9-43c4-955f-c12cec971b2e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66307fbf3137a4e0f3c3a2bc/reports/fefea81a-0b31-4052-9cf4-b7f824dd3e05/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1bf2388-672b-42c8-a8d7-11e2d8fb7ce9
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433820
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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: 1433820 Sample: SecuriteInfo.com.FileRepMal... Startdate: 30/04/2024 Architecture: WINDOWS Score: 100 23 mail.metalsbox.com 2->23 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 10 other signatures 2->53 7 SecuriteInfo.com.FileRepMalware.31690.32107.exe 3 2->7         started        10 chrome.exe 1 2->10         started        13 chrome.exe 2->13         started        signatures3 process4 dnsIp5 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Injects a PE file into a foreign processes 7->57 15 SecuriteInfo.com.FileRepMalware.31690.32107.exe 2 7->15         started        25 192.168.2.4, 138, 443, 49233 unknown unknown 10->25 27 192.168.2.5 unknown unknown 10->27 29 239.255.255.250 unknown Reserved 10->29 19 chrome.exe 10->19         started        21 chrome.exe 13->21         started        signatures6 process7 dnsIp8 31 mail.metalsbox.com 192.185.166.221, 49735, 49770, 49771 UNIFIEDLAYER-AS-1US United States 15->31 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->39 41 Tries to steal Mail credentials (via file / registry access) 15->41 43 Tries to harvest and steal ftp login credentials 15->43 45 2 other signatures 15->45 33 play.google.com 142.250.190.142, 443, 49761, 49775 GOOGLEUS United States 19->33 35 142.250.191.132, 443, 49773, 49783 GOOGLEUS United States 19->35 37 6 other IPs or domains 19->37 signatures9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
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Status:
Malicious
First seen:
2024-04-30 03:14:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r32i2xmrgfwq4ynp5n5dgdzblwc6zin75nrtnccq4wz74dur6rha._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Similar samples:
286b7dea4c238d6dd5153e5445ee0741a9497ce1543093480c556a258910638e
AgentTesla
36fc325a5d6b8766479d0ab84c7cbbde42a55dc2dbb1937c33b0e465497718ab
AgentTesla
3edd3fe6434d631459584bfef13f646c14866e7d99121a3067d10f1e330b28e6
AgentTesla
7316b0e5c95d1ff17274693f4681e7920d6305079d5833c96acf54d724852651
AgentTesla
8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
AgentTesla
a69420b181a6704cdf507e6ba6f725060fc4eca42794aca6a3719af43bc33560
AgentTesla
+ 4'423 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240430-f1z7aadd53/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads WinSCP keys stored on the system
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:
bdb1c5e3a24915bbbede9e70269e22692925a66cb2230b791515e6b4a0705337
MD5 hash:
ab7b9d0379ef89f550adab8414f83f30
SHA1 hash:
6561d73e1ada9f63d805d9edda6aa8dd2c499ebb
Link:
https://www.unpac.me/results/cbe44a7c-52a7-4934-9897-9bb16aa3da04/
SH256 hash:
5af813f9658c3db0c16642b181cfe45cf99fa1d45d3db295768fc9507e722467
MD5 hash:
50d566a81702afff6a3650b20ef03beb
SHA1 hash:
3a1821c7a3bd06e8b58eae6fba47a47a8c1012aa
Link:
https://www.unpac.me/results/cbe44a7c-52a7-4934-9897-9bb16aa3da04/
SH256 hash:
0bfb0358d9cd73716bbdd5e02dc6d9ad4ff7ce928bb149834844b4e8eb8ce74b
MD5 hash:
4b113a772f878eb4bcf3e345fbef0d6c
SHA1 hash:
21df75ac80bb07e3ee7c8d93ed756c6059a50448
Link:
https://www.unpac.me/results/cbe44a7c-52a7-4934-9897-9bb16aa3da04/
SH256 hash:
3f1749a749e115f11409c9774c59804ed6f32a7d73b96ce8ea2c592dee4be079
MD5 hash:
9d60b328b960d55820217a37a5451fa3
SHA1 hash:
200602658cdb35cfdf7fd259b685547de83ab765
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_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/cbe44a7c-52a7-4934-9897-9bb16aa3da04/
Parent samples :
8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
0d0ad0b643823f666030579fc18c8f4bca63e0012db299ea5cb51d05da892b83
3f1749a749e115f11409c9774c59804ed6f32a7d73b96ce8ea2c592dee4be079
SH256 hash:
8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e
MD5 hash:
1f439470279f66f33908cfba0e8effd5
SHA1 hash:
5a3ccac881f50cb3d2495a195dc1494170695537
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/cbe44a7c-52a7-4934-9897-9bb16aa3da04/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ef48d5d9131/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/8ef48d5d91316d0e61afeb7a330f215d85eca1bfeb63368850e5b3fe0e91f44e

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
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.

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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