MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd8b38d06c2f0a859dff506de2b2070ee2d0be8e7e6549a36d0ec871f34a4712. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: cd8b38d06c2f0a859dff506de2b2070ee2d0be8e7e6549a36d0ec871f34a4712
SHA3-384 hash: 7e430ce9c69e8976c3ee898f5e2bdaf4398ba11dcfbe0ddeffece3f304a12e4df6a9bf3d5e89ee65c905f6b348bf5900
SHA1 hash: a333224cc60601fdf1177e225d8b08b4b8c5328b
MD5 hash: dde9810cc1ae736d11264d73c62415be
humanhash: illinois-apart-whiskey-early
File name:30% proforma invoice.pdf.exe
Download: download sample
Signature AgentTesla
File size:710'144 bytes
First seen:2023-02-08 14:39:14 UTC
Last seen:2023-02-08 16:31:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:VmbEKuibEuEsPb+HT0qE8S6S7ztLHKNu+A+/1b3c9xJPmH5xsnkFPTZ62IhBXEXP:VmbEKui4H8b8vOztLHKNu+A+/1bsFPjK
Threatray 20'531 similar samples on MalwareBazaar
TLSH T1F1E4053E297652E2E0B8FB7102E28520B5AC4083731FD959DDDADAC47F415826ECF69C
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7948d40f-5862-40c2-973d-182c3261e448
Verdict:
Malicious activity
Analysis date:
2023-02-08 14:39:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
packed
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:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 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)
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 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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 801658 Sample: 30% proforma invoice.pdf.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 9 other signatures 2->60 7 30% proforma invoice.pdf.exe 6 2->7         started        11 mvTfbpFK.exe 5 2->11         started        13 yGbzOMp.exe 2 2->13         started        15 yGbzOMp.exe 1 2->15         started        process3 file4 42 C:\Users\user\AppData\Roaming\mvTfbpFK.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmpC8EF.tmp, XML 7->44 dropped 46 C:\Users\...\30% proforma invoice.pdf.exe.log, ASCII 7->46 dropped 74 Writes to foreign memory regions 7->74 76 Injects a PE file into a foreign processes 7->76 17 RegSvcs.exe 2 4 7->17         started        22 RegSvcs.exe 7->22         started        24 schtasks.exe 1 7->24         started        26 RegSvcs.exe 7->26         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 28 RegSvcs.exe 11->28         started        30 schtasks.exe 11->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 48 mail.ppecindia.com 50.87.154.175, 49683, 49686, 587 UNIFIEDLAYER-AS-1US United States 17->48 50 c-0001.c-msedge.net 17->50 52 au.c-0001.c-msedge.net 17->52 40 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 17->40 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->66 36 conhost.exe 24->36         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->68 70 Tries to steal Mail credentials (via file / registry access) 28->70 72 Tries to harvest and steal browser information (history, passwords, etc) 28->72 38 conhost.exe 30->38         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-06 19:02:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
021d93511cdbe7f07fd66196361ea04209037b1932812fee59c0d36174820e31
MD5 hash:
c5fe08afb5dc7744321a357855dcb5f2
SHA1 hash:
c2431e6b88d4bb9e4fbf7d27438040c877e2e939
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
SH256 hash:
dcdc45fe092ff70b2d35e87240a2a706ab4268317efd0c9ea46242da9d68d911
MD5 hash:
8c5d728b6c3a6e896f42a70bb5d3da9d
SHA1 hash:
0d0daa0a9fa331847bd15eea3140f8db9c4dc77a
SH256 hash:
cd8b38d06c2f0a859dff506de2b2070ee2d0be8e7e6549a36d0ec871f34a4712
MD5 hash:
dde9810cc1ae736d11264d73c62415be
SHA1 hash:
a333224cc60601fdf1177e225d8b08b4b8c5328b
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 cd8b38d06c2f0a859dff506de2b2070ee2d0be8e7e6549a36d0ec871f34a4712

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments