MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97b36b4f803f8f011f8768c84f4b08ffe178f4d40c5bdf3f3b796aa71c183dd0. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 97b36b4f803f8f011f8768c84f4b08ffe178f4d40c5bdf3f3b796aa71c183dd0
SHA3-384 hash: dda6a62fbbd616704dade2dd0dbbea228cd24211314acb3dd962ec8f5e518b42703e9f537aabc642a9942ff3f1f46622
SHA1 hash: 84ed6cc114fd6d5f28b2cdd96a315b7184a7dbdc
MD5 hash: 78c5b07c9f2048298ece4dfe5c62552c
humanhash: delaware-snake-autumn-iowa
File name:TT Swift Copy.pdf. (2).exe
Download: download sample
Signature AgentTesla
File size:788'992 bytes
First seen:2021-03-28 08:26:25 UTC
Last seen:2021-03-28 08:47:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EswmD4KrU1Z+ybSBtoEI0QMSLwXswmuP7r9r/+pppppppppppppppppppppppppz:N14KrU1fm/9QMKHu1q
Threatray 3'521 similar samples on MalwareBazaar
TLSH 48F47CC1F5449A94DD289BB65532C8300326BEE92433DA0C19CD7DE73BFBB8A4CA5947
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT Swift Copy.pdf. (2).exe
Verdict:
Malicious activity
Analysis date:
2021-03-28 08:28:55 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
Creating a window
Sending a UDP request
Launching a process
Creating a file
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
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
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
Installs a global keyboard hook
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 376989 Sample: TT Swift Copy.pdf. (2).exe Startdate: 28/03/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 6 TT Swift Copy.pdf. (2).exe 3 2->6         started        10 kprUEGC.exe 2 2->10         started        12 kprUEGC.exe 1 2->12         started        process3 file4 23 C:\Users\...\TT Swift Copy.pdf. (2).exe.log, ASCII 6->23 dropped 49 Writes to foreign memory regions 6->49 51 Injects a PE file into a foreign processes 6->51 14 RegSvcs.exe 2 4 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 29 mail.etc-ks.com 50.87.95.32, 49742, 587 UNIFIEDLAYER-AS-1US United States 14->29 31 192.168.2.1 unknown unknown 14->31 25 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 6 other signatures 14->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-27 01:17:36 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
367bd3bbd27bcfb4020ea2e8e19bcef7e7613677514df74990980bb5cbd2faa4
MD5 hash:
ce249eac42648acbd1fdb4dcac4b93b2
SHA1 hash:
ece85af062c4dba9a4b56b53b6f926fd974d7f90
SH256 hash:
8e2c407ae4775153cc7087080b39199fcc289aa18beb2e8aabf3f19c954e10e9
MD5 hash:
39a82aa7105ce43b6cddf9a2c928cb03
SHA1 hash:
9a596c6606b61cb72a9407394cbdf5b4eacdbba7
SH256 hash:
f9f96d5eaefd67920f4072c0173dcbbcd38d82b0fec4ee5a719c72221f6a8f48
MD5 hash:
7369461b7b57d7e17352816d61706076
SHA1 hash:
8f11c9a0c11cf064badcf470e95560abb381517d
SH256 hash:
97b36b4f803f8f011f8768c84f4b08ffe178f4d40c5bdf3f3b796aa71c183dd0
MD5 hash:
78c5b07c9f2048298ece4dfe5c62552c
SHA1 hash:
84ed6cc114fd6d5f28b2cdd96a315b7184a7dbdc
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:dridex_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 97b36b4f803f8f011f8768c84f4b08ffe178f4d40c5bdf3f3b796aa71c183dd0

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments