MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f
SHA3-384 hash: 3916439dc63cebc1e3d363b2e5dd5b2dca6c2328566a99bbbead9ef06eed7fda4cf97ceaec6e3ab37fb176bb04bbb13d
SHA1 hash: aed8041c786df0fb9d087b55785cf7046114d275
MD5 hash: ad7baaa29ab40c8d956f6fcf2b2fa876
humanhash: apart-east-fish-black
File name:Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:300'568 bytes
First seen:2021-04-08 07:04:45 UTC
Last seen:2021-04-08 08:26:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:mdWGQBEmi61bNjhqqXWvwS2KvN1tb9ityL90G0GKsbTDojd2q:mVQaKKqGozAGyLPTDsd2q
Threatray 176 similar samples on MalwareBazaar
TLSH F1540248DFA51A17D8714D3131F0C5172B36B902AAB0CAEF715E80B90F437E265B57BA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

From: Malek Zalloum <sales@kunlonfood.com>
Subject: general price
Attachment: Order_611_MALEK93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.lzh (contains "Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 07:20:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6f5a3063-b1d3-454f-acb1-93f7ffb4f788

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/133072/
Detection(s):
SecuriteInfo.com.ArtemisAD7BAAA29AB4.32491.8414.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/669653
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 383756 Sample: Order_611_MALEK#93032_20983... Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 21 Found malware configuration 2->21 23 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->23 25 Yara detected AgentTesla 2->25 27 4 other signatures 2->27 6 Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe 5 2->6         started        process3 file4 15 C:\Users\user\AppData\Local\WpnSearch.exe, PE32 6->15 dropped 17 Order_611_MALEK#93...92F_DHUU3HAPRIL.exe, PE32 6->17 dropped 19 Order_611_MALEK#93...exe:Zone.Identifier, ASCII 6->19 dropped 29 Creates an undocumented autostart registry key 6->29 31 Writes to foreign memory regions 6->31 33 Allocates memory in foreign processes 6->33 35 Injects a PE file into a foreign processes 6->35 10 Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe 2 6->10         started        13 Order_611_MALEK#93032_2098302_2920293_90HU90_30092F_DHUU3HAPRIL.exe 6->13         started        signatures5 process6 signatures7 37 Tries to steal Mail credentials (via file access) 10->37 39 Tries to harvest and steal browser information (history, passwords, etc) 10->39 41 Installs a global keyboard hook 10->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->45
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 06:07:53 UTC
AV detection:
3 of 48 (6.25%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xb5srkhygrbmwyln2pnh4uqgc6ulk4uaziajr6zxehlbiklyzrpq._file
Verdict:
suspicious
Similar samples:
029626fb22c7446fc6f2abd2551252a08507c68fd035d41694e2c77b6e868698
AgentTesla
27cb5cb27c8f29f4fcc7728b02a5a6f0f94f84ec1d17ab9284bfdb2e6b42ba98
AgentTesla
2f1f66a7d7f0058db7f854e5ed21829fcbc075a6a94590b16a1509267a477511
AgentTesla
30f3eecdbc1298dc6ba731ffc775390ee61b2bda813ba8f7763c9c39293ce33c
AgentTesla
78baec19444d923fde30977dacb85fada9247b9e3ae150f32a1137e7fc0b8dfb
AgentTesla
8d72f2ddf16f0708273e74f4390a2034bf6aabe9cf80fd2ab724d52037c98ccf
AgentTesla
954f62f0014b51953056dd668441cd4e116874fd6d6c75bd982ba821ea6744eb
AgentTesla
ce9820f87744f7cd5f16e60470ec525cf1852762d5914278815b01737d4adacd
AgentTesla
d431d6c234dfb75c3fad9cfe53c800e68eec1df826aeee43cc02d802a234e0c2
AgentTesla
e9573722d616d444c71e82f1ac6973921f3c942af4403760e0292b3ebf9159b0
AgentTesla
+ 166 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210408-c9amawspy6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2a01d70a2a1bffaa83a65cac80085e27663d531d1753d37b1da0828ce454c7e0
MD5 hash:
02b30480acd88b714d813273054a4dd0
SHA1 hash:
f27e7bbd5fd52d380fe58ea7cffb16bf5f09de6f
Link:
https://www.unpac.me/results/839b1af3-ccdf-4706-ba57-be9b4f08950b/
SH256 hash:
9398a66eb68b23783a3f1b118037966f925efdfee11fe2945cb80b1384a1d0c8
MD5 hash:
40b81bc2b655632023be486316660afa
SHA1 hash:
5abc4106a9f76db95e947990f30224bb72a7e4f4
Link:
https://www.unpac.me/results/839b1af3-ccdf-4706-ba57-be9b4f08950b/
SH256 hash:
051ffb4a75d4b8876be8899fe3ca41e02ecd00c35d1d95e74213ef31ca24c4ac
MD5 hash:
8b44c467a2e2b9918b737b243b9ceb0b
SHA1 hash:
2988026983b57e5f27ddfd5e362db6c272c0934b
Link:
https://www.unpac.me/results/839b1af3-ccdf-4706-ba57-be9b4f08950b/
SH256 hash:
b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f
MD5 hash:
ad7baaa29ab40c8d956f6fcf2b2fa876
SHA1 hash:
aed8041c786df0fb9d087b55785cf7046114d275
Link:
https://www.unpac.me/results/839b1af3-ccdf-4706-ba57-be9b4f08950b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

AgentTesla

rar 34ccb105325cd3955b579d9bb41b3c6ae76946e14159f4a94691f39fd022c522

AgentTesla

Executable exe b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f

(this sample)

  
Dropped by
MD5 247d61e0751c638b39b0cb5777c78768
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133072/
  
Dropped by
SHA256 34ccb105325cd3955b579d9bb41b3c6ae76946e14159f4a94691f39fd022c522

Comments