MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141
SHA3-384 hash: 547cb2f956cec9354b26dcbf80b94b391fbd9bdaf323745ed5f1ac24304037696ae1736b781343a97c0281dcfe8e02e6
SHA1 hash: cc7ca35ae0b71242ffde8a3385dcb2aa1a4a69c4
MD5 hash: 113835dd31fad6c8639724879be38053
humanhash: pluto-west-sink-idaho
File name:PO REF#70439 (RCP).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:697'856 bytes
First seen:2024-06-15 08:12:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:VfyCK2xrOoYvIQ1FIvlPjUkPYFDAmA1DKgsbiN8LD7JfqsKN9A79LrILbfg2o:xyC5YAvlLUkPSqFKgwiNCHpnKzA79Lr3
TLSH T19CE42316337C9F2AC57E57F19421649423F3795EBCA2E4ACAED030DE286AF54C560E83
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 abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141.exe
Verdict:
Malicious activity
Analysis date:
2024-06-15 08:18:59 UTC
Tags:
smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/7d6ac543-b3f9-4f70-b00e-8d82e94d2ff9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Nanocore-10025638-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666d4ee00f85a8479dc84e0ewin7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Static Gensteal Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/666d4d1149a1c83062671880/reports/6312f534-ee3e-4a64-a0dc-6def118256a8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141
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/126a9eed-910c-484e-9303-3e6a9bce545c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1457762
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
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: 1457762 Sample: PO REF#70439 (RCP).exe Startdate: 15/06/2024 Architecture: WINDOWS Score: 100 24 mail.kxnlaos.com 2->24 26 kxnlaos.com 2->26 28 time.windows.com 2->28 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 10 other signatures 2->38 8 PO REF#70439 (RCP).exe 4 2->8         started        signatures3 process4 file5 22 C:\Users\user\...\PO REF#70439 (RCP).exe.log, ASCII 8->22 dropped 40 Writes to foreign memory regions 8->40 42 Allocates memory in foreign processes 8->42 44 Adds a directory exclusion to Windows Defender 8->44 46 Injects a PE file into a foreign processes 8->46 12 MSBuild.exe 2 8->12         started        16 powershell.exe 21 8->16         started        18 MSBuild.exe 8->18         started        signatures6 process7 dnsIp8 30 kxnlaos.com 192.185.113.233, 49704, 587 UNIFIEDLAYER-AS-1US United States 12->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file / registry access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 Tries to harvest and steal browser information (history, passwords, etc) 12->54 56 Loading BitLocker PowerShell Module 16->56 20 conhost.exe 16->20         started        58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->58 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-13 11:40:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rqsv33itidlc2czo3mahw34yqaah5yd6qbwavqlwz2cfukh7sfaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240615-j4eljaxbmp/
Behaviour
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:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
Link:
https://www.unpac.me/results/79db9987-9035-4ba7-9cec-d7a19d089cd1/
Parent samples :
82cbe9fc57abd337a5bf0d0d478ae7fb9158987c1d7c5006b20e309c06329ae8
804aee8eba800043c912038c55c36edeb8dd761913047e99b4a5e8d8cb8ef6c4
SH256 hash:
0196c36df1dac2a6a7733e16c7886358f8d23ace5c88096509b422cbea2a61d2
MD5 hash:
848bb1b37b380eb90b34f2fe00d7563f
SHA1 hash:
e0e3719ac159577ad5a8391a942a9359d7aceacf
Link:
https://www.unpac.me/results/79db9987-9035-4ba7-9cec-d7a19d089cd1/
SH256 hash:
29122a60ca95fbb59606ec4b2b99e0f3b13587eea18a8336dd0f228d94e17ec3
MD5 hash:
0f8802789579e33a4da3bf68fdeb1a55
SHA1 hash:
78ffc85a997c0b908466d1a66af7710016c3fe32
Link:
https://www.unpac.me/results/79db9987-9035-4ba7-9cec-d7a19d089cd1/
SH256 hash:
c19e168117b040b032093191dc219c8818069fbb8b3e65cd543967f757b70c06
MD5 hash:
17512809e61ea54c904ae002f753d90e
SHA1 hash:
56d649b52da39a2353bf9c032a06518d8c52c5d0
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/79db9987-9035-4ba7-9cec-d7a19d089cd1/
Parent samples :
72d471434fc24b8edfd680d3d149e4de76d8bf6023005e29e74a25d6d9e5df3e
5f14a244f730788efe3dc87a9b3d73955ca9e76862c822d6cd3707804a4308a3
af6346f5ed3f00e0b392155695526dc90e4fd3dde3c11b49ac34da28b23abce1
8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141
87c68756481a2bbd821e8ac224087c5626ffdc1e05eaaeff506bb0b5148bba0b
8f4cb88d415e2f69fc68b90950a51cd76edac741b2fb8ad899dd0919fab3d483
281581bfe30a69a5662550433d9d7514254bccb890fa89cd2a77e3601a0b62a4
505ed9f190d5f7a4b16075a09119a9c2952b2d9c7281a13c6a07f4840200e878
694510429baee227b94e5a0614b349c003acda14807ab07caaa2ec2a8562c465
c60bc6272b369d672078316ef58cda564aa658857c0d2578e7078e4200af8650
8daf0632533950142b105f3d85c333ae37a1c060312c8e12b84165880d79a68f
47981c0fbd889008be2a0f3ca90a79c55185cebd658d5c794d418f28d740a0e3
41c2baf87ddeb825097a5285074ba926f3164cbb46c65878b9d04e745cc41833
9e7532d92d58245df7f8d5d41e06322a76ce934eb45b0ab95eca99a54206cb8e
SH256 hash:
8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141
MD5 hash:
113835dd31fad6c8639724879be38053
SHA1 hash:
cc7ca35ae0b71242ffde8a3385dcb2aa1a4a69c4
Link:
https://www.unpac.me/results/79db9987-9035-4ba7-9cec-d7a19d089cd1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c255ded1340/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/8c255ded1340d62d0b2edb007b6f9880007ee07e806c0ac176ce845a28ff9141

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

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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