MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6
SHA3-384 hash: 0f08c9d9a23b03fc6960833fece2911b9b5b7c0780a4346a3fd72f00d0fc121f468f30c6baf857ce2670321d381bb54b
SHA1 hash: c338e4fafa0d0d2c4c22f411f79d926381f90d35
MD5 hash: e7befc7580498993ec66591a22d15641
humanhash: salami-nebraska-bravo-march
File name:order confirmation copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:23'552 bytes
First seen:2022-05-15 12:53:45 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 192:QsUW1GGqHVzcUVhVo7la9BqlGtkwPCnSzH3geCNGxiBq7:QsUWbsVQUVvo74DqxJnSj3ge0Gd
Threatray 16'933 similar samples on MalwareBazaar
TLSH T18DB2C669E1850939DB6BED31C732062035F91E88EA25FE1D88B77DD23E73FE14912429
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74f0dcccccd4c0d4 (10 x AgentTesla, 6 x RemcosRAT, 5 x BitRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/270777/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6280f80522b733139c1bed4a/reports/06f47a48-2dba-41d4-a60e-2bb0b4a75c70/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/79f8ee49-8330-4f0f-8d86-69f49ec20dd6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994313
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 626809 Sample: order confirmation copy.exe Startdate: 15/05/2022 Architecture: WINDOWS Score: 100 51 api.telegram.org 2->51 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 7 other signatures 2->77 8 order confirmation copy.exe 16 7 2->8         started        13 Itsiwmnlf.exe 14 4 2->13         started        15 Itsiwmnlf.exe 3 2->15         started        signatures3 process4 dnsIp5 53 cdn.discordapp.com 162.159.129.233, 443, 49737 CLOUDFLARENETUS United States 8->53 43 C:\Users\user\AppData\...\Itsiwmnlf.exe, PE32 8->43 dropped 45 C:\Users\...\Itsiwmnlf.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\...\order confirmation copy.exe.log, ASCII 8->47 dropped 79 Writes to foreign memory regions 8->79 81 Allocates memory in foreign processes 8->81 83 Injects a PE file into a foreign processes 8->83 17 InstallUtil.exe 14 2 8->17         started        21 cmd.exe 1 8->21         started        55 162.159.134.233, 443, 49755 CLOUDFLARENETUS United States 13->55 85 Multi AV Scanner detection for dropped file 13->85 23 InstallUtil.exe 13->23         started        25 cmd.exe 13->25         started        57 162.159.133.233, 443, 49756 CLOUDFLARENETUS United States 15->57 27 cmd.exe 15->27         started        29 InstallUtil.exe 15->29         started        file6 signatures7 process8 dnsIp9 49 api.telegram.org 149.154.167.220, 443, 49754, 49765 TELEGRAMRU United Kingdom 17->49 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->61 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->65 31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        67 Tries to harvest and steal ftp login credentials 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 35 conhost.exe 25->35         started        37 timeout.exe 25->37         started        39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-15 09:38:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5orbdoxzdit4y2egik35guhgs2p6vel4ia6fd2ktef7cihoykta._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f
AgentTesla
31b559963b9db1c2ef361b4374b2e855d502f6b6d371c3b1351aae843e4e2916
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4459eadaedeb2d28fb3563d00c6ce586d56e0c8da85e2a62160b8662c73364b8
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6797c9eb17e1ad3b41121bc80db0a97ae642bfca0874c8b7bd391507d2ca5540
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763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1
AgentTesla
848ce511daf9046ab1ab3bed080d5c20bdeb3fd0bebc016fc3af70b892ebb5c9
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a8f0d33be029935f8757107027728b6ca4a37c74beeb6c33c54d598d07f8490b
AgentTesla
ea930b3655ed7afd7121e9ed20477a2b1849a7bb2a3f51d5b67697dc1614202c
AgentTesla
+ 16'923 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220515-p47j7seeg4/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5351864471:AAGAqiOJqCiUj9zFIqSZeiHPgOb5cf2UkxY/sendDocument
Unpacked files
SH256 hash:
8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6
MD5 hash:
e7befc7580498993ec66591a22d15641
SHA1 hash:
c338e4fafa0d0d2c4c22f411f79d926381f90d35
Link:
https://www.unpac.me/results/d505860f-6c10-4b89-a608-3c985bf23570/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f5d108dd7c8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 8f5d108dd7c8d13e63443215be9a8734b4ff548be201e28f4a990bf120eec2a6

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/270777/

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