MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77. 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 18 File information Comments
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SHA256 hash: 826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77
SHA3-384 hash: 62bb9ee8023d458d0f345815c8aa17fb2364d87ca4a59fd2dc4e069f38b57ba8b7f190d424b19f0e5c92171cbe4a4b3b
SHA1 hash: 38cf3164eac0d413acd4d5b92ae1cf18139be7a6
MD5 hash: 7f6851319c375942e2e88afdb6b2a752
humanhash: colorado-emma-nitrogen-vegan
File name:PO#7A68D23.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:716'288 bytes
First seen:2024-05-17 07:04:50 UTC
Last seen:2024-05-17 07:16:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:TdrLbDZaNRpndZloSEI1BzEkmZLpfy9NkgaYb2egKRBM0/RaxBLsUtJ6U8JMBQ:RLDZMRpndLwZLpaqqvgspaxtsUyZJd
TLSH T13EE423D72B54D226CE186635D4BCA3528769832B855FF67B8FFD90944AC324CCA232CD
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
343
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77.exe
Verdict:
Malicious activity
Analysis date:
2024-05-17 07:07:09 UTC
Tags:
evasion smtp agenttesla stealer
Link:
https://app.any.run/tasks/80c12039-fc81-4031-a01e-35e95d2ebfc3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.11097.18111.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending an HTTP GET request
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/664701a43313f70f0afdf3ea/reports/14670c01-7f8b-42dd-9b05-66266c745503/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77
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/b68129fa-3d68-4bee-a826-aad324de254a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1443146
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443146 Sample: PO#7A68D23.exe Startdate: 17/05/2024 Architecture: WINDOWS Score: 100 29 mail.ipr-co.org 2->29 31 ipr-co.org 2->31 33 api.ipify.org 2->33 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 9 other signatures 2->57 7 PO#7A68D23.exe 3 2->7         started        10 BjTxJte.exe 3 2->10         started        12 BjTxJte.exe 2 2->12         started        signatures3 process4 signatures5 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 14 PO#7A68D23.exe 16 5 7->14         started        19 PO#7A68D23.exe 7->19         started        61 Antivirus detection for dropped file 10->61 63 Multi AV Scanner detection for dropped file 10->63 65 Machine Learning detection for dropped file 10->65 21 BjTxJte.exe 14 2 10->21         started        67 Injects a PE file into a foreign processes 12->67 23 BjTxJte.exe 2 12->23         started        process6 dnsIp7 35 ipr-co.org 185.55.225.242, 49705, 49707, 49717 SERVERPARSIR Iran (ISLAMIC Republic Of) 14->35 37 api.ipify.org 172.67.74.152, 443, 49704, 49706 CLOUDFLARENETUS United States 14->37 25 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 14->25 dropped 27 C:\Users\user\...\BjTxJte.exe:Zone.Identifier, ASCII 14->27 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->43 45 Tries to harvest and steal ftp login credentials 23->45 47 Tries to harvest and steal browser information (history, passwords, etc) 23->47 49 Installs a global keyboard hook 23->49 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-05-17 03:37:27 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=qjwyeawxcmsklu5qw5xth2ddhv4r4dgq5dirgdaduyjeld45pv3q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240517-hwg61seg71/
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:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/7576ed1c-11de-4681-9660-b751bd336d17/
SH256 hash:
1c0f5885d3e71a9996b9d00e134c0c5090056319f122570cce67f0b4e43d25de
MD5 hash:
d55f74c220e6ab4ffca977e0ab2c9bd8
SHA1 hash:
957d04f46d51378855d35417b496abd2b4e1c914
Link:
https://www.unpac.me/results/7576ed1c-11de-4681-9660-b751bd336d17/
SH256 hash:
62d82f34c8097bff09c978e68b5c96bcf809fb93236c025993a6ea92a1231039
MD5 hash:
fdd789edfb013ad67564a24211f7a1ce
SHA1 hash:
1dde56a44f1cc11cf2bc3d3228d9b65d80a3c580
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/7576ed1c-11de-4681-9660-b751bd336d17/
Parent samples :
bc533f1c04f542db4d2cf6edd86eb7caea7a60b53098e4145068f43030560122
c75750db51edf7db96de6dc7834621ed37d1c81a587ea076c16dcaeb190d6bf8
826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77
62d82f34c8097bff09c978e68b5c96bcf809fb93236c025993a6ea92a1231039
92f372371d773e499445538a7f978fe16dc03bf772adf1151dc998a7916b284f
SH256 hash:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
Link:
https://www.unpac.me/results/7576ed1c-11de-4681-9660-b751bd336d17/
SH256 hash:
826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77
MD5 hash:
7f6851319c375942e2e88afdb6b2a752
SHA1 hash:
38cf3164eac0d413acd4d5b92ae1cf18139be7a6
Link:
https://www.unpac.me/results/7576ed1c-11de-4681-9660-b751bd336d17/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/826d8202d713/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/826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77

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_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_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
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

Executable exe 826d8202d71324a5d3b0b76f33e8633d791e0cd0e8d1130c03a612458f9d7d77

(this sample)

  
Delivery method
Distributed via e-mail attachment

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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