MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5cb5ed5237d5e446dd4c461b4673283bbe2339d513300f19920c1a86a45f6b0. 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 2 File information Comments

SHA256 hash: a5cb5ed5237d5e446dd4c461b4673283bbe2339d513300f19920c1a86a45f6b0
SHA3-384 hash: 5f6a9bb2ba57ad957bcac521dd5690f66493fb67bf571c464828e6fe02bfdb87c93034102c71b7b1311ad79b9c864488
SHA1 hash: 27438b2f6397011b20a8d3ffba6ad2aa24d0ed13
MD5 hash: 2538947abd25e5f6a2df9066c5d645ed
humanhash: october-low-indigo-river
File name:001.exe
Download: download sample
Signature AgentTesla
File size:1'006'592 bytes
First seen:2023-06-22 09:36:08 UTC
Last seen:2023-06-22 10:49:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Y7MyuyF1ZcLBwJ1KNoUn/JXZh489Cqq3Lvl3Q28MCE/UFn9Mcw2:Y7MyuyTS+J1KNoUnVZmLvFQ2JUFnKcw
Threatray 3'181 similar samples on MalwareBazaar
TLSH T1CC25D04072695F50E4BA8BF5097051715BF52A6BB43EFA094EC3B2EE29B0F018D65F23
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) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe jhon00000551998-gmail-com siamtmc-com

Intelligence


File Origin
# of uploads :
5
# of downloads :
302
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
001.exe
Verdict:
Malicious activity
Analysis date:
2023-06-22 09:36:47 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 892610 Sample: 001.exe Startdate: 22/06/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 4 other signatures 2->51 7 001.exe 7 2->7         started        11 dopYnRJ.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\dopYnRJ.exe, PE32 7->31 dropped 33 C:\Users\user\...\dopYnRJ.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpDE33.tmp, XML 7->35 dropped 37 C:\Users\user\AppData\Local\...\001.exe.log, ASCII 7->37 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 13 001.exe 4 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 dopYnRJ.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 mail.siamtmc.com 210.1.58.192, 49692, 49695, 587 CSLOX-IDC-AS-APCSLOXINFOPublicCompanyLimitedTH Thailand 13->39 41 192.168.2.1 unknown unknown 13->41 43 2 other IPs or domains 13->43 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->63 65 Tries to steal Mail credentials (via file / registry access) 21->65 67 Tries to harvest and steal browser information (history, passwords, etc) 21->67 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-22 08:06:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
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:
30d46a029e9cfbfd7889db5308745277db79f363947ba25fb9da1f65fb7e4377
MD5 hash:
f717434828b26d675f753934560e8076
SHA1 hash:
f541392fa8b5036a9a86bc955fa0b623a3ab14a5
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
0160739cfd8d1897931f6821d701e3089c2bbd03d3ff8ed977ca4c618876b7e4
MD5 hash:
42fa7553572a0e8d2056a7c77597f57a
SHA1 hash:
c1beb634d03f733eedf2f2b4fc3ab14a4b388ae6
SH256 hash:
7c005e04d1c78db5f196b7124ff07938faa9f0df94e0fbd13a340ad4e1d9c3a1
MD5 hash:
0a9bc9e4c4a69f368a0921636016ff79
SHA1 hash:
a92ead16922ae16f5083910a1d729297fc8e8426
Detections:
AgentTeslaXorStringsNet
SH256 hash:
75cbcddae3e3d5cea1c8bde451b3d50b1fc7cd98e337f5fef9dd69072153307d
MD5 hash:
2e4c17c93408e99cbbbcb039105cf2d2
SHA1 hash:
056610751f0a66c16f293d09903c40c2fb336756
SH256 hash:
a5cb5ed5237d5e446dd4c461b4673283bbe2339d513300f19920c1a86a45f6b0
MD5 hash:
2538947abd25e5f6a2df9066c5d645ed
SHA1 hash:
27438b2f6397011b20a8d3ffba6ad2aa24d0ed13
Malware family:
AgentTesla.v4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe a5cb5ed5237d5e446dd4c461b4673283bbe2339d513300f19920c1a86a45f6b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments