MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0
SHA3-384 hash: 9bae7cae74060dc8308feba6c5017e4d08e275ec745d7b55e6d398b8b21826d1b51b4c4ad546d746bc796413718b985e
SHA1 hash: b81d57e8e20fa999d2ac988ae59d6e4db9e92457
MD5 hash: 17ad6aa820589c091482a239b7ac8ed7
humanhash: nebraska-fish-two-bakerloo
File name:PO #DSTO45789357382.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:893'440 bytes
First seen:2021-08-06 07:57:22 UTC
Last seen:2021-08-06 09:15:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Dk9UkgDFmOnjGSzH0ib/cTg6Ze5Vc6zzRTXafTvQwE0jcYZWs1jst2NjFaOHeF:D2UFLjZ0ib/c/e/c6H8EocrUjsMNjD
Threatray 7'941 similar samples on MalwareBazaar
TLSH T13115CF90E580A616C59818BF1F3DF6B053EC9D8B155280812ED8EE573BAFEFA09C35C5
dhash icon f0d88d061bd2d0f0 (8 x AgentTesla, 7 x Formbook, 3 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO #DSTO45789357382.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 07:59:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ec40887b-56f6-4dd3-8809-c2dc9cd0285e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/176935/
Detection(s):
Sanesecurity.Rogue.0hr.20210806-0508.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6e4bd11-f142-424a-8f2e-a8dc6b670581
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828166
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460597 Sample: PO #DSTO45789357382.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 11 other signatures 2->40 7 PO #DSTO45789357382.exe 7 2->7         started        process3 file4 28 C:\Users\user\AppData\...ZZkdLxLUZw.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp9753.tmp, XML 7->30 dropped 32 C:\Users\user\...\PO #DSTO45789357382.exe.log, ASCII 7->32 dropped 42 Adds a directory exclusion to Windows Defender 7->42 44 Injects a PE file into a foreign processes 7->44 11 PO #DSTO45789357382.exe 7->11         started        14 powershell.exe 23 7->14         started        16 powershell.exe 25 7->16         started        18 2 other processes 7->18 signatures5 process6 signatures7 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->46 48 Moves itself to temp directory 11->48 50 Tries to steal Mail credentials (via file access) 11->50 52 2 other signatures 11->52 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 18->26         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-06 06:38:34 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yfbjga3cdiq53yyig2nsygnxqk24rqr6rgj2fxjz646ocgogbxia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
435367494138f298c1171551343a6785f49ab7d8425ca3a72c76d7599dc6bc63
AgentTesla
4585e13fe4d4307e82e693c3063bf53ea84591b843c0ae59fefc0f4086ec86db
AgentTesla
590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
AgentTesla
61d4dd89bcb94b321942a0ebc30ad2319411eff15bc24ab4769fd00a20a92188
AgentTesla
a2fe04b23ff87693a170fbe1c4375595699582113c89d2b38809d5ce0703345b
AgentTesla
ebdb5f9167c925da14a5783a022be63ac4daeeb7515692c7cd50c37a7851e7e4
AgentTesla
ebf2bf210764dcaf2ee0019cca80cc1c0f147671635bae9371c421d170794c29
AgentTesla
f349ed3a3e5bab8bc5694ba8885e6717c049064394682b240afe62ede7f67a9e
AgentTesla
feb639dabb33ddc8d08dc3065a7a869225419d52be2aa0ec247377607a426ef3
AgentTesla
+ 7'931 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210806-5yhwbw6pla/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/774616ed-9e5d-4aad-a3ee-4c809d48ee90/
SH256 hash:
c4fdf803e5c7e7fc3bf2eaba547650852896cd6df7f9b0091009757d55962748
MD5 hash:
3088288903b925c04ba104c07509a951
SHA1 hash:
6aadea0ccc0937a88fc4ab5f2f275f5ff145e07a
Link:
https://www.unpac.me/results/774616ed-9e5d-4aad-a3ee-4c809d48ee90/
SH256 hash:
a5230e3db42f2dcb69d0bd87b5812f747c72d4c1707681fc52fc6720a35fdd53
MD5 hash:
b87a656456b9b4c8c7100d911ff52eb5
SHA1 hash:
52958c7348170fdfab9875b94ded60b43e9c1f74
Link:
https://www.unpac.me/results/774616ed-9e5d-4aad-a3ee-4c809d48ee90/
SH256 hash:
c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0
MD5 hash:
17ad6aa820589c091482a239b7ac8ed7
SHA1 hash:
b81d57e8e20fa999d2ac988ae59d6e4db9e92457
Link:
https://www.unpac.me/results/774616ed-9e5d-4aad-a3ee-4c809d48ee90/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 c1429303621a21dde308369b2c19b782b5c8c23e8993a2dd39f73ce119c60dd0

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176935/

Comments