MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3. 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 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3
SHA3-384 hash: 955afa5a57fd2ce75d9282cf5cbd11317ce226561fdb3977b6a7e9d1f605f5c4517e3f8847d3ad6c789c77874b7c1c34
SHA1 hash: be731db71708b58d1e24f304793bbe760a0260b0
MD5 hash: 52302899c3ff8a254c9ca2b457814ec8
humanhash: early-oregon-jupiter-aspen
File name:23RB00427.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:740'872 bytes
First seen:2024-05-14 10:35:36 UTC
Last seen:2024-05-14 11:31:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:oE2AUYMjhvPie/rByY7777777777777NbTlrKet5bmtTJOVi4FkjLkz/1AOcqKpQ:oE2AUYMFniyy41rKYBmtVOYLeA8dR1Jf
TLSH T10CF4234D6778EA62CA7D9B33116140D3C3B3B243B625FB874ED76C889CAA3B45610D4E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
377
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 10:53:44 UTC
Tags:
evasion smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/0a31b836-2055-4e74-abd4-80e50704f57c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.9103.2616.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66433e9e11114a9ab5f0804c/reports/7501d1f1-349b-489b-a82e-fce9bab671a6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3
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/cf63df9d-2976-4209-a185-439c4acfeb72
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441264
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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: 1441264 Sample: 23RB00427.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 31 mail.pari.or.id 2->31 33 pari.or.id 2->33 35 api.ipify.org 2->35 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 9 other signatures 2->59 7 23RB00427.exe 3 2->7         started        10 VmkjVd.exe 3 2->10         started        12 VmkjVd.exe 2 2->12         started        signatures3 process4 signatures5 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Injects a PE file into a foreign processes 7->63 14 23RB00427.exe 16 5 7->14         started        65 Multi AV Scanner detection for dropped file 10->65 67 Machine Learning detection for dropped file 10->67 69 Contains functionality to register a low level keyboard hook 10->69 19 VmkjVd.exe 14 2 10->19         started        21 VmkjVd.exe 10->21         started        23 VmkjVd.exe 10->23         started        25 VmkjVd.exe 12->25         started        process6 dnsIp7 37 pari.or.id 103.30.0.66, 49738, 49739, 49745 DINUSTECH-AS-IDPTDianNuswantoroTeknologiID Indonesia 14->37 39 api.ipify.org 172.67.74.152, 443, 49735, 49741 CLOUDFLARENETUS United States 14->39 27 C:\Users\user\AppData\Roaming\...\VmkjVd.exe, PE32 14->27 dropped 29 C:\Users\user\...\VmkjVd.exe:Zone.Identifier, ASCII 14->29 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->41 43 Tries to steal Mail credentials (via file / registry access) 14->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->45 47 Tries to harvest and steal ftp login credentials 25->47 49 Tries to harvest and steal browser information (history, passwords, etc) 25->49 51 Installs a global keyboard hook 25->51 file8 signatures9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 09:09:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mapinotl7ye6r6wlyegjrdbfnietvpvzptycn4bbkxuai7phzxbq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240514-mm8ptsce54/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307
MD5 hash:
1e504d0d93436a776666cc8236d65844
SHA1 hash:
834490f9be03a0814c6460f5aae33af12e83b8f5
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
SH256 hash:
8aec546d66b23ea0864a4261f28da44e779b6473b7f258e7a53d3a1bcdf7c3d5
MD5 hash:
3d9939f99728a5c40da495b6bb0c2dc2
SHA1 hash:
7a0f35f339514188741a35babcce62d984faedee
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
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
Parent samples :
601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3
25f756279b06d023c20cb1875e39f87852a0d861ef35f7478378ae7ae661765a
SH256 hash:
7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a
MD5 hash:
2c3f7108d4525ac2856cb70871f15c32
SHA1 hash:
5d04332dac4d5324d89ebca26a2a609b8fd9895e
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
SH256 hash:
0ae1fce05903e9f4260842314edbbda46c848edf8926ab0c1fac27002fab4357
MD5 hash:
63d3cc08fc7415b2f3433e1ffa7cd5b9
SHA1 hash:
36d71304d0807e840f0699837895b6f7692a2eb8
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
SH256 hash:
1a35649cb5c1adf982e0793eb6834ffa91aa47c2b26120a3ee19ad857018a0af
MD5 hash:
d53542e241a56165c77e800b2e8ac907
SHA1 hash:
12a72deed37494c5fe3738e5f074eadea406e8a4
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
SH256 hash:
601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3
MD5 hash:
52302899c3ff8a254c9ca2b457814ec8
SHA1 hash:
be731db71708b58d1e24f304793bbe760a0260b0
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/f6d9c991-c6cb-4f75-925a-f696cf090f0a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/601e86ba6bfe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3

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: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: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: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_9a8dc290
Create hunting rule
Author:Elastic Security
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.

Malspam

AgentTesla

rar d5803884dd00b0672a488cadfc574e44c7923ebbcf89d75e46178c8c56833952

AgentTesla

Executable exe 601e86ba6bfe09e8facbc10c988c256a093abeb97cf026f02155e8047de7cdc3

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d5803884dd00b0672a488cadfc574e44c7923ebbcf89d75e46178c8c56833952
  
Dropped by
MD5 8c016f2a14f3e39ae051b603a665d931

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