MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
SHA3-384 hash: 4337b50413dfa8c0318613ba6f858746076e1676555050cbe2d7c8f61e6326211f74b699da1c722a71029d4d5c67c0d5
SHA1 hash: cd6f44e418a8bab3bce4e4134e3274a2af7ddba0
MD5 hash: e0e2ac64b8dbe6a3d13f748608bf73b2
humanhash: river-wisconsin-mobile-wolfram
File name:050300933506_DRAFT BL.exe.gz.001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:995'840 bytes
First seen:2023-11-14 09:19:15 UTC
Last seen:2023-11-14 11:24:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:E2KmotdqtKJOLDJYojkhpXS3cVkQYqaw:+TCtKQx/jkhpi3fA
TLSH T1E4259D0A73A4C699F9104F7380E6C1FA1668AC29ED72D14B55F2BD9736F1B001DC2AF9
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e4b4b4f2d8ece0e0 (7 x AgentTesla, 1 x DarkCloud, 1 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
300
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
231114-j6lgvshe3y_pw_infected.zip
Verdict:
Malicious activity
Analysis date:
2023-11-14 08:42:14 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/45b8d6e9-6868-4840-9703-74adbe3f43fa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458464/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.3537.15993.UNOFFICIAL
Create hunting rule

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
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65533bc628bfca96f8ab6707/reports/1ce47e30-fc15-4773-a94f-7c5f26a2013c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
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/ecd0154d-405b-4c89-bea3-a8e8a610468a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1342197
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1342197 Sample: 050300933506_DRAFT_BL.exe.g... Startdate: 14/11/2023 Architecture: WINDOWS Score: 100 51 mail.gskm.com.my 2->51 53 api4.ipify.org 2->53 55 api.ipify.org 2->55 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 7 other signatures 2->67 8 050300933506_DRAFT_BL.exe.gz.001.exe 7 2->8         started        12 gqDYjjLeb.exe 5 2->12         started        14 SECLQ.exe 2->14         started        16 SECLQ.exe 2->16         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\gqDYjjLeb.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp4C57.tmp, XML 8->49 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Writes to foreign memory regions 8->81 83 Allocates memory in foreign processes 8->83 85 Adds a directory exclusion to Windows Defender 8->85 18 RegSvcs.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 22 8->25         started        27 schtasks.exe 1 8->27         started        87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 91 Injects a PE file into a foreign processes 12->91 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 57 mail.gskm.com.my 110.4.45.71, 49713, 49715, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 18->57 59 api4.ipify.org 173.231.16.77, 443, 49711, 49714 WEBNXUS United States 18->59 45 C:\Users\user\AppData\Roaming\...\SECLQ.exe, PE32 18->45 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->71 73 Tries to steal Mail credentials (via file / registry access) 18->73 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        75 Tries to harvest and steal browser information (history, passwords, etc) 29->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->77 43 conhost.exe 31->43         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 19:40:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ecen5ddpec7scbw7zogqswdquyqsczpms5vmgsvlye4wsxqo36a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231114-lar1waah52/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/1beda7cb-87d8-4cf4-9a6a-1c3245ea206d/
SH256 hash:
61f8e489522525d3ffd327d987237816a9b7ba8d4276ead517cb7188fb8426c6
MD5 hash:
1378c18e37ea047d86285eb7880147d0
SHA1 hash:
ceef0dadc4aacd6b86de99e0749e4079dc8183ae
Link:
https://www.unpac.me/results/1beda7cb-87d8-4cf4-9a6a-1c3245ea206d/
SH256 hash:
baffabdd77aff9420d71b782a6d3d8fbc2779d33e8175c87a2a7005629fc2cd8
MD5 hash:
ca5f594bcfc60869bd40e043bd88cc8c
SHA1 hash:
64693eb2efa5b81f6e54628ad4f55653151f0edb
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/1beda7cb-87d8-4cf4-9a6a-1c3245ea206d/
Parent samples :
b2a1e4398be0a08615ae686913f07b3560c3a4a0b9100011fc6b284bcd36a587
7f022555ff4dae07b22d6673cf3483a4d6c835099e69ce924a7ab161135a468c
e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
2375a5615dab0d70a45ede64a60b2a39eac7101f0e7957746cfcf3dfacd280f5
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
Link:
https://www.unpac.me/results/1beda7cb-87d8-4cf4-9a6a-1c3245ea206d/
SH256 hash:
e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc
MD5 hash:
e0e2ac64b8dbe6a3d13f748608bf73b2
SHA1 hash:
cd6f44e418a8bab3bce4e4134e3274a2af7ddba0
Link:
https://www.unpac.me/results/1beda7cb-87d8-4cf4-9a6a-1c3245ea206d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e90446f46379/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/e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

gz 3a2f94ceb1020d3f8b4acc81ab39b2b665f07bca06cda87bcce8142f22f2a6ab

AgentTesla

Executable exe e90446f4637905f90836fe5c684ac38531090b2f64bb561a555e09cb4af076fc

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3a2f94ceb1020d3f8b4acc81ab39b2b665f07bca06cda87bcce8142f22f2a6ab
  
Dropped by
SHA256 0cd5170e76a77f05e8a6b02ee4177ef39aa0242057253aaeac822492a4a5830e
Cape
Cape
https://www.capesandbox.com/analysis/458464/
  
Dropped by
SHA256 b8644db718fef4951bd198cb7342d7070b97a32ef4344b8eb0d0e8f244c041af
  
Dropped by
MD5 874a22cb4d674ae3012c7e164c8e1f4b
  
Dropped by
MD5 bbe458557807d462fc77c0714483f7fe
  
Dropped by
MD5 5d9ae7dead94469a6e9f0fb44fd22acb

Comments