MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651. 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: 16


Intelligence 16 IOCs YARA 18 File information Comments
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SHA256 hash: 6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
SHA3-384 hash: 2b38dfd2823ed0bc1d394302e2c36f20ea488e0912a4b81b30135eb33fe08a4dca8b2bf97579d3f0851cf3934d77c66d
SHA1 hash: bc87ed3a7b3bdceea2f10c8a4d3a11754a8aab2e
MD5 hash: 4c034c95c2fa8054208804c35ddbd015
humanhash: alaska-finch-oregon-september
File name:SecuriteInfo.com.Win32.PWSX-gen.21898.13233
Download: download sample
Signature AgentTesla
Create hunting rule
File size:745'984 bytes
First seen:2024-02-07 06:21:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:eSkiLdryfTzxLvnA79eo8ZAhYU+oPXGsCX66sXxaNA0czGX6SOYkcatU/L6p6:eSkiLdryfTzx7nA79mZAqURaX66sXxxY
Threatray 180 similar samples on MalwareBazaar
TLSH T1A3F4F014B9985F77E13F67F60B51A08003F2146A7135EB1AEDC760EB0AA2F061B51F6B
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
396
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651.exe
Verdict:
Malicious activity
Analysis date:
2024-02-07 06:22:44 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/851ffa24-ff92-4614-bcd2-80d5dcc91b99

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474982/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21898.13233.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65c3218d04c91578faae4d05/reports/e409a17f-bbf7-4334-82ed-8396720375fa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
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/cb00b35e-4849-48fe-bce2-b66920464900
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388028
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1388028 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 07/02/2024 Architecture: WINDOWS Score: 100 61 us2.smtp.mailhostbox.com 2->61 63 ip-api.com 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 11 other signatures 2->75 8 SecuriteInfo.com.Win32.PWSX-gen.21898.13233.exe 7 2->8         started        12 mcXxhQ.exe 5 2->12         started        14 ZUHFqcY.exe 2->14         started        16 ZUHFqcY.exe 2->16         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\mcXxhQ.exe, PE32 8->57 dropped 59 C:\Users\user\AppData\Local\...\tmp2542.tmp, XML 8->59 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 95 2 other signatures 8->95 18 SecuriteInfo.com.Win32.PWSX-gen.21898.13233.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        37 2 other processes 8->37 89 Multi AV Scanner detection for dropped file 12->89 91 Machine Learning detection for dropped file 12->91 93 Injects a PE file into a foreign processes 12->93 25 mcXxhQ.exe 12->25         started        27 schtasks.exe 12->27         started        29 ZUHFqcY.exe 14->29         started        31 schtasks.exe 14->31         started        33 ZUHFqcY.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 65 ip-api.com 208.95.112.1, 49707, 49711, 49713 TUT-ASUS United States 18->65 67 us2.smtp.mailhostbox.com 208.91.199.224, 49708, 49712, 49715 PUBLIC-DOMAIN-REGISTRYUS United States 18->67 53 C:\Users\user\AppData\Roaming\...\ZUHFqcY.exe, PE32 18->53 dropped 55 C:\Users\user\...\ZUHFqcY.exe:Zone.Identifier, ASCII 18->55 dropped 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 conhost.exe 23->39         started        41 WmiPrvSE.exe 23->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        81 Tries to harvest and steal browser information (history, passwords, etc) 33->81 47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        51 conhost.exe 37->51         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-07 05:05:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nlfc6rfbmywcgxkcxsxpv42ob6cbwnggectx4m2ycvxjcds2oziq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
324b3ad2c4b951638dbcbc37275a86ed94325e1a9e5a528826aeb2172d47d97e
AgentTesla
ba6ca59893666207fcc985056f408e08b82a09e6938a746edb2e769dc47d6ba7
AgentTesla
e7e75eae5d4bf17651e97bb0119c666e8db5c4f52fc60e5bf9d3a55155c2dd47
AgentTesla
ecc34f95e278887ec719983726b713401430220c40f13925ccd78d9917f0ac76
AgentTesla
fbe9af0d5f4eec35c73a7362af2c095693882f614e7fa42b9acdb0476bb5fb20
AgentTesla
+ 170 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240207-g4w5gaeag8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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
AgentTesla
Unpacked files
SH256 hash:
fa64123a1696cf37a8f67214c720e2fe7308a409aa5b11b938911a7b5503242a
MD5 hash:
eb160bd55f203ceca4dad8b45b5d935c
SHA1 hash:
d1389ddcec005209e629cee587ae872e7fa6a795
Link:
https://www.unpac.me/results/8af4b0cd-0daf-4c14-a832-fb9e799be295/
SH256 hash:
1ec3d0fb4603d712e0330ad2543870aea4dc2a00352a8949a200cf4f976ad65e
MD5 hash:
58e184e3ab21c2622c4eebba516e55ad
SHA1 hash:
8d9ad4d9f0c6a399b5acebc06d9bbf82fd036f50
Link:
https://www.unpac.me/results/8af4b0cd-0daf-4c14-a832-fb9e799be295/
SH256 hash:
eec85e738e3365c322d0f4372e448b666c8fd0754fd024b8781a3a8b69cad09f
MD5 hash:
7ec6c7cb795b09197580ae8c5c292537
SHA1 hash:
38975c3594a4d7a61b1d52b59f01a0db025f2ca5
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/8af4b0cd-0daf-4c14-a832-fb9e799be295/
Parent samples :
6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
73b33d80db78b966ca0df11be61989bafd0553165564a45959fcbe570595f68d
84b5e1b2883149321ba59ca2179d8ee2190a5d335cb6f15c5c4285dff78acefa
81a7838ccb236673b22b689c771c82c6f3f28500b7e473a1f2c32635f885e98d
900d537d757fdc15a522d6643dc9071294fa5b30ecdf0807fe3fcd0f9680ce40
a245fd4c1bd3a3f93749c7e8f7165ce7873d32e3cd7185f18019355b8f393334
SH256 hash:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
Link:
https://www.unpac.me/results/8af4b0cd-0daf-4c14-a832-fb9e799be295/
SH256 hash:
6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651
MD5 hash:
4c034c95c2fa8054208804c35ddbd015
SHA1 hash:
bc87ed3a7b3bdceea2f10c8a4d3a11754a8aab2e
Link:
https://www.unpac.me/results/8af4b0cd-0daf-4c14-a832-fb9e799be295/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6aca2f44a166/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/6aca2f44a1662c235d42bcaefaf34e0f841b34c620a77e3358156e910e5a7651

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: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: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
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.

Cape
Cape
https://www.capesandbox.com/analysis/474982/

Comments