MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67
SHA3-384 hash: ad5791a0cc43c0b82bd29f6a681e8cc00dbee7409d1d120571c43ac9a3bad41f0ef426990172dfbfd045dd0865fe3707
SHA1 hash: be7dadf350d29594145fdb61e9badf70a05b97bd
MD5 hash: cde595a38a237c969aeef2c5d346f028
humanhash: nitrogen-arizona-fix-ohio
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:820'224 bytes
First seen:2020-10-09 15:41:24 UTC
Last seen:2020-10-09 17:16:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:VzLbqj1SQkbpqn9NSadffxjjfytIgqHWjnil+Fv7rlbo2Vd4PTBVQMFPP7r9r/+l:VPHQ9AapJOdjnii7R7Vd4P9tN1q
Threatray 1'019 similar samples on MalwareBazaar
TLSH 4905BE88F54061ADDC0ADB31AA76CC3496237DBDA939451D24DF3E2B7BBF2839521063
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: iap-india.com
Sending IP: 103.151.124.245
From: karthika.p@iap-india.com
Subject: Re; Purchase Order
Attachment: Purchase Order.rar (contains "Purchase Order.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69577/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/486886
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295898 Sample: Purchase Order.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 13 other signatures 2->62 7 Purchase Order.exe 6 2->7         started        11 WCPCe.exe 2 2->11         started        13 WCPCe.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Roaming\ATQJTGott.exe, PE32 7->34 dropped 36 C:\Users\user\AppData\Local\Temp\tmp71.tmp, XML 7->36 dropped 38 C:\Users\user\...\Purchase Order.exe.log, ASCII 7->38 dropped 64 Writes to foreign memory regions 7->64 66 Injects a PE file into a foreign processes 7->66 15 RegSvcs.exe 2 4 7->15         started        20 RegSvcs.exe 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 40 smart-noodles.com 206.221.182.74, 49747, 587 RELIABLESITEUS United States 15->40 42 mail.smart-noodles.com 15->42 30 C:\Users\user\AppData\Roaming\...\WCPCe.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 Tries to harvest and steal ftp login credentials 15->48 54 3 other signatures 15->54 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->52 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-09 15:43:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fcwmybbznorccbrtcmlsrkmehqvifmm2q42jp33lzv2uho5bj5tq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01cd063d42c49b0612db611805a26403a9418e18f683321012809158bbd27742
AgentTesla
01dba88e6444acb9df2aac52afd7819f95b84144e209b925c62eb78a3bdca378
AgentTesla
16bd45e91a42b0bd2b6d5934f4e8258fcaea08e1a6d254c58d7aca986859cfe6
AgentTesla
49ed878a15ae7e3188c7b8a150a20b84c8fe8487961a29f0a160e37503b191f5
AgentTesla
7990424f5e3313c6f5a4b690769bed9a85816d699d92e343facff350203a7ce5
AgentTesla
7d151bc35f74812f4230ca534e131044e654ca02f444375d6339805e11b91f00
AgentTesla
dfa5e1f893c313deda7e7ea47512b756a21bba962e07cb21248b9abbdaadf3a4
AgentTesla
f924ed04e2ce70872e8e341379288a15579ade521df2e4d248054fe2d9357ee2
AgentTesla
fc22d205257093f2d710f0b77f76be073be959ee7c9c3746372ec1b13186eebb
AgentTesla
fd427caee9d158cc48ba9b5a0ecd3243a77b354f07321a5f80e5fdcde17aed9f
AgentTesla
+ 1'009 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/201009-8wvz3nc9js/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67
MD5 hash:
cde595a38a237c969aeef2c5d346f028
SHA1 hash:
be7dadf350d29594145fdb61e9badf70a05b97bd
Link:
https://www.unpac.me/results/a99ad768-7abf-49f9-88ab-1752745758f3/
SH256 hash:
a274185488f27ca65041ff822b685d527a3e28865f1fc78962c0c8830acd6cec
MD5 hash:
ff520c713524426a7b9fe92ac39e40a5
SHA1 hash:
05841e01753aca81e1a41abae41337059f72a4fb
Link:
https://www.unpac.me/results/a99ad768-7abf-49f9-88ab-1752745758f3/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/a99ad768-7abf-49f9-88ab-1752745758f3/
SH256 hash:
2d4150f38453b2be8f484bebecbaaf91eb2192970d6376dc41fcb0d0f5bf9dd5
MD5 hash:
1d3770e2a985e70b1f550dbc42f52237
SHA1 hash:
8654bff6ebb37b05fa46e835d943f046c159461c
Link:
https://www.unpac.me/results/a99ad768-7abf-49f9-88ab-1752745758f3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
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

rar acd240e816f3ec4f87f1666ea97da4557a14ae0fadcc4438296515ac5009d688

AgentTesla

Executable exe 28accc04396ba2210633131728a9843c2a82b19a873497ef6bcd7543bba14f67

(this sample)

  
Dropped by
MD5 53264f9f8013c5b91e2cc87b724e978e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69577/
  
Dropped by
SHA256 acd240e816f3ec4f87f1666ea97da4557a14ae0fadcc4438296515ac5009d688

Comments