MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad
SHA3-384 hash: 67e1b48abc44d56b84152a5ddba94c9d58db7120c8363a864fde7d51d7be7c9ddbcf7c0230a6fb1550392ef5fb84e96d
SHA1 hash: 092eb113abc0869131a8c1639c5c0fa769e206ee
MD5 hash: 0f27d80b8b3c24c836c25a69154c839f
humanhash: california-six-shade-carpet
File name:US00061Q0904081THBKK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:782'856 bytes
First seen:2024-06-06 19:26:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:i3L4aKixmKhZ2lNFLRyB09xYsLbzZyv2Ici4/ycjai75ruRSgnbFgDCHkR:qnKDKb2PxRkyP7njyM3RAKDCS
Threatray 2'361 similar samples on MalwareBazaar
TLSH T1BDF4020AA5BBBF09C63DABB1613748240B76740E3432D25B0FC565E63F65BC098A4F5B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 64e4a4a4e4e464a4 (10 x AgentTesla, 8 x Formbook, 1 x Rhadamanthys)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
589
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 19:28:40 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/ce6b5bac-153f-445a-aff6-b5015eba94e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25603.28876.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/66620d8b21581a92819b5025/reports/89591880-b6c6-4e9e-899d-8934d8ddd1ff/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a2226d20-eb55-4fd0-82a8-a5bc30188219
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1453317
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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: 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 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)
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: 1453317 Sample: US00061Q0904081THBKK.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 42 nffplp.com 2->42 44 ip-api.com 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 12 other signatures 2->56 8 US00061Q0904081THBKK.exe 7 2->8         started        12 rUaSsXwbr.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\rUaSsXwbr.exe, PE32 8->34 dropped 36 C:\Users\...\rUaSsXwbr.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE137.tmp, XML 8->38 dropped 40 C:\Users\...\US00061Q0904081THBKK.exe.log, ASCII 8->40 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 72 2 other signatures 8->72 14 US00061Q0904081THBKK.exe 14 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 22 rUaSsXwbr.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 46 ip-api.com 208.95.112.1, 49710, 49714, 80 TUT-ASUS United States 14->46 48 nffplp.com 163.44.198.71, 49712, 49715, 587 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 14->48 74 Installs a global keyboard hook 14->74 76 Loading BitLocker PowerShell Module 18->76 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->78 80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal ftp login credentials 22->82 84 Tries to harvest and steal browser information (history, passwords, etc) 22->84 32 conhost.exe 24->32         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-06-06 13:56:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pjpaljsbyjmefvs37eqg775avtnoogl7uicmj7nj52ab756gm2wq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1f7dcd5994d22e9acfb0313d58b4227abcd33966ae38863d91fbed5a0cd7b415
AgentTesla
382ab77df27e183d0b68dbc5a4d62aea27dd623ffbb3f02c85e8093d73b5b8c3
AgentTesla
6112a8912f40f95dfeafa1022b2c9e8e26195e8b36e06136c052c6687bd9816d
AgentTesla
72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e
AgentTesla
7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad
AgentTesla
8db679fe4d6d844ca5e599d8fe6d8daacf115b319634b21b0ec78525a482819f
AgentTesla
+ 2'351 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240606-x53lmsbh26/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad
MD5 hash:
0f27d80b8b3c24c836c25a69154c839f
SHA1 hash:
092eb113abc0869131a8c1639c5c0fa769e206ee
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/5be0ccd1-550a-4b00-8261-433349dacd6f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a5e05a641c2/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/7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad

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: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_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_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: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_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 7a5e05a641c25842d65bf9206fffa0acdae7197fa204c4fda9ee801ff7c666ad

(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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