MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46c182ab9dfba7bbcb636936c3c5b27aeb73b2028dfc63b88a4f0b65e46fb29f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 46c182ab9dfba7bbcb636936c3c5b27aeb73b2028dfc63b88a4f0b65e46fb29f
SHA3-384 hash: 40c372646aafbd6c677c843d0b12c4caab36a6c9723e1547c5cacf64483e17aca3a44b41f809d76796deff12ae3162e2
SHA1 hash: ece4a2ccbe3d4cd5ea493f5d03d9cdbb33abca09
MD5 hash: c9ee7af856bc48e0c3affc065d54bc3c
humanhash: steak-echo-mango-august
File name:AGE.exe
Download: download sample
Signature AgentTesla
File size:739'328 bytes
First seen:2020-07-28 13:38:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash de8dfb437da223579ad1a02f0bcd4fd5 (4 x AgentTesla, 4 x Loki, 1 x FormBook)
ssdeep 12288:eYM1AJ/Y1Nda4YainuE5Ou1tFw0uKHFYbaEWeodclYc9MsCAdELCdL:/Wl1K4mOu9wsqaEpKc9rCuaCdL
Threatray 11'063 similar samples on MalwareBazaar
TLSH AFF4C032B2F04837C167267D9C1F976CAC29BE533928AD466BE82C4C5F39781351A2D7
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 252561 Sample: AGE.exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for submitted file 2->66 68 Yara detected AgentTesla 2->68 70 Sigma detected: Drops script at startup location 2->70 72 Machine Learning detection for sample 2->72 7 AGE.exe 2->7         started        10 Mymp4.exe 2->10         started        12 Mymp4.exe 2->12         started        14 2 other processes 2->14 process3 signatures4 74 Detected unpacking (changes PE section rights) 7->74 76 Detected unpacking (creates a PE file in dynamic memory) 7->76 78 Detected unpacking (overwrites its own PE header) 7->78 92 4 other signatures 7->92 16 notepad.exe 1 7->16         started        19 AGE.exe 4 7->19         started        80 Multi AV Scanner detection for dropped file 10->80 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->82 84 Machine Learning detection for dropped file 10->84 21 Mymp4.exe 4 10->21         started        23 notepad.exe 1 10->23         started        86 Writes to foreign memory regions 12->86 88 Allocates memory in foreign processes 12->88 90 Maps a DLL or memory area into another process 12->90 25 Mymp4.exe 12->25         started        27 notepad.exe 12->27         started        30 AGE.exe 14->30         started        process5 file6 44 Drops VBS files to the startup folder 16->44 46 Delayed program exit found 16->46 48 Tries to steal Mail credentials (via file access) 25->48 50 Tries to harvest and steal ftp login credentials 25->50 52 Tries to harvest and steal browser information (history, passwords, etc) 25->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->54 42 C:\Users\user\AppData\Roaming\...\DF.vbs, ASCII 27->42 dropped 56 Writes to foreign memory regions 30->56 58 Allocates memory in foreign processes 30->58 60 Maps a DLL or memory area into another process 30->60 32 AGE.exe 2 7 30->32         started        36 notepad.exe 1 30->36         started        signatures7 process8 file9 38 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 32->38 dropped 40 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 32->40 dropped 62 Tries to steal Mail credentials (via file access) 32->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 32->64 signatures10
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-28 13:37:11 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
UPX packed file
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

  
Delivery method
Other

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