MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64. 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 17 File information Comments
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SHA256 hash: 2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64
SHA3-384 hash: a87278c9e11404b0d5294ce09aeca9a9dc516471b1744400568ff7ea83954c59d7a8993e53f60d9319d5d25a75a45f32
SHA1 hash: 41ceeed2eb2c787e9421a72bea969e19781ae277
MD5 hash: 4fd26a9d8c021aac5b9e1bf2b31a3bfd
humanhash: eleven-coffee-cat-apart
File name:COSU636.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:738'816 bytes
First seen:2024-05-17 04:56:01 UTC
Last seen:2024-05-17 05:14:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+J0pei36RbrkaZibuPF4pwH9LNi+C6fupO8Er+CqNg6Wr31eZkVhxjJcmXC:++pp369ktyP+m9LN/TfUusg6Wb1dVTtx
TLSH T1F7F423412BECEB1DD17E63F1B5A001A107B62637B5B2EB2C2EE060DB1976B404D25F67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
338
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64.exe
Verdict:
Malicious activity
Analysis date:
2024-05-17 04:56:37 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/bc2f2476-ab38-4ede-8df5-389e40050cc9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Rogue.0hr.20240516-1934.UNOFFICIAL
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Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
92%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6646e368d7fb0506c93ac20c/reports/e8d01668-cf2b-43ab-a9c5-453bc4baac68/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64
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/ae69568f-0cbc-4d3c-874a-326c88fd1473
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1443096
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443096 Sample: COSU636.pdf.exe Startdate: 17/05/2024 Architecture: WINDOWS Score: 100 42 us2.smtp.mailhostbox.com 2->42 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 10 other signatures 2->52 8 COSU636.pdf.exe 7 2->8         started        12 WuOzcBYeXK.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\WuOzcBYeXK.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9DC5.tmp, XML 8->40 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 44 us2.smtp.mailhostbox.com 208.91.199.224, 49733, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->44 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->68 70 Loading BitLocker PowerShell Module 18->70 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->72 74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal ftp login credentials 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-05-16 10:18:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fzygszzsvz5yv6avgjlarflilovxg6qqhpbzt4flcy3nltd3rnsa._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240517-fkqmxaad92/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
7f7b5bd4cb920d2e77daf92abb9c7ebf5beb0865fd03d8aa8a2e479f8b562a57
MD5 hash:
14919d321586ecd52e42fc6937c48ec1
SHA1 hash:
e04c96a8f664da8692394ef170fb6770b6a625bc
Link:
https://www.unpac.me/results/9da2a4e2-72fe-406e-a7c4-ed6272b9f780/
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/9da2a4e2-72fe-406e-a7c4-ed6272b9f780/
SH256 hash:
5ca840a3707ab018538e6ae98f0d381d0d1cae3da7b60754e6379076e7d3f634
MD5 hash:
25a529034f738beaabb8d364a607b502
SHA1 hash:
23664828bf3c96efabf683e26a7c0e1e9e0d2398
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
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INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/9da2a4e2-72fe-406e-a7c4-ed6272b9f780/
Parent samples :
b5372cebf5de722e79a9b485984192eb87f6ad78eb2bdd725ae4521c90c0ddac
2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64
27fd2ef620c481f51dfa374bcc896396f2afcf809f1d5733c49aa1dbd59989d7
3012b1cdc6d41423e99d57dac314df023f3e993fd42ee66f09553827ff616c79
SH256 hash:
27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d
MD5 hash:
1b2614489be216f14010dea5dee50dc5
SHA1 hash:
046c2462662dc3adea1c79121b4d865665850e23
Link:
https://www.unpac.me/results/9da2a4e2-72fe-406e-a7c4-ed6272b9f780/
SH256 hash:
2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64
MD5 hash:
4fd26a9d8c021aac5b9e1bf2b31a3bfd
SHA1 hash:
41ceeed2eb2c787e9421a72bea969e19781ae277
Link:
https://www.unpac.me/results/9da2a4e2-72fe-406e-a7c4-ed6272b9f780/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2e70696732ae/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/2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64

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
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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_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
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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
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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:pe_imphash
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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 2e70696732ae7b8af81532560895685bab737a103bc399f0ab1636d5cc7b8b64

(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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