MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c. 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: 42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c
SHA3-384 hash: 7611fcacf40afbf3bda5325f3c753d4f780a88b806ab11fa76f88e76d340baafaba4fbbc853ccbc21cff40954d29bba6
SHA1 hash: 3ac9529a7e4472658adbf0f208cdb0250793f5a7
MD5 hash: 6ed6799fa820e2c3a50b6fae8cea00c7
humanhash: twenty-low-lamp-quebec
File name:RFQ_PO-05769700857,MT-25Kg-Order,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:796'672 bytes
First seen:2020-10-12 06:26:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ogOLRgWowOgjExytLv5ex/PUD3wfF9+Zp9CTIqrnhfeGxeOTFhFFV1ctsgiqQT19:QLUTg2umqdZp0T7bh1xPxh3VKIS
Threatray 467 similar samples on MalwareBazaar
TLSH DC05E06167F95BC6E07E9BF50224185043F53A1B386FE20D2DC229EFD9A5F818A10B77
Reporter abuse_ch
Tags:AgentTesla exe geo KOR


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail-smail-vm49.hanmail.net
Sending IP: REDACTED_DOMAIN]t [203.133.180.237
From: 화이트볼 <jw0144@hanmail.net>
Subject: Re: 구매 주문/RFQ
Attachment: RFQ_PO-05769700857,MT-25Kg-Order,pdf.7z (contains "RFQ_PO-05769700857,MT-25Kg-Order,pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69976/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487854
Signature
.NET source code contains potential unpacker
Found malware configuration
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
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296370 Sample: RFQ_PO-05769700857,MT-25Kg-... Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 8 other signatures 2->37 7 RFQ_PO-05769700857,MT-25Kg-Order,pdf.exe 6 2->7         started        process3 file4 21 C:\Users\user\AppData\...\KbaVRwXIdIsWB.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpEF52.tmp, XML 7->23 dropped 25 RFQ_PO-05769700857...g-Order,pdf.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 RFQ_PO-05769700857,MT-25Kg-Order,pdf.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 RFQ_PO-05769700857,MT-25Kg-Order,pdf.exe 7->17         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49746, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 19 conhost.exe 15->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 03:00:18 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikrvyaikkq2dk2mnznu4qk2trdslsfzh5ykhxgwmmbtz6tvbmjwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
042e32eb8970e6dd8e767bb75bc25b3325c314783b9c3bb365727584dba4d918
AgentTesla
054b7c5d38a00ecfc40168d4dc21610139c5ab6a46d2a0e851ef100397d5e5e9
AgentTesla
1fb23de8da95ef200663ec6bffe9a439b6c39927559b5e103a488cf54355ebad
AgentTesla
35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2
AgentTesla
4255ae6b31d6068463b663c1871ac8cee3461b0d3fbf642f96cf9a3e8817803c
AgentTesla
792259d9e6e262d17cc54f4b43c8e95cd0be1e533f5e5032a5cdefb9f899a6a2
AgentTesla
b0f6052c071380b0413ba33ab5f888442bba649614a7102ade644d7195487bed
AgentTesla
b3c33339d1d526eebdd71c8ce0d1f3d0a12be1d5325e7678924e2bfc29a84181
AgentTesla
f4b7759a1a42ebd89a61ed697ca26661dff56719bbf254b7b1f400f3cf4487d1
AgentTesla
f638e03e33b24d736db2873b3dee14d8312731d040adb93265b99e21b94b3978
AgentTesla
+ 457 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/201012-2nv4455qha/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c
MD5 hash:
6ed6799fa820e2c3a50b6fae8cea00c7
SHA1 hash:
3ac9529a7e4472658adbf0f208cdb0250793f5a7
Link:
https://www.unpac.me/results/ded6d64d-3daf-4ea6-b0bd-41c06cbe87ea/
SH256 hash:
092040b19544113ce2dde85f9f426d5a413cc2221dcdf4b066753b1ada6c9326
MD5 hash:
29cc7070402094c8c03caf19b283ae64
SHA1 hash:
29fcefb48a6fc3b6432d56d9124ca0cdb038ff45
Link:
https://www.unpac.me/results/ded6d64d-3daf-4ea6-b0bd-41c06cbe87ea/
SH256 hash:
eceec1f7198d3dcdf110bd66d00be6b8fa2bee7587cc64b8ae9944fc3f1e21c3
MD5 hash:
6646ce2d927f5415b633984264082b9b
SHA1 hash:
7b3b813cab963399fb82b3d2e10f7dc771a70077
Link:
https://www.unpac.me/results/ded6d64d-3daf-4ea6-b0bd-41c06cbe87ea/
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/ded6d64d-3daf-4ea6-b0bd-41c06cbe87ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c

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

7z 6346e899ef400f9bd18eee42ad4b3bee5ae770ae9173a0c5384400b1b827ffd5

AgentTesla

Executable exe 42a35c010a543435698dcb69c82b5388e4b91727ee147b9acc60679f4ea1626c

(this sample)

  
Dropped by
MD5 de1db70ca56275a13cd923672c5c4d0a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69976/
  
Dropped by
SHA256 6346e899ef400f9bd18eee42ad4b3bee5ae770ae9173a0c5384400b1b827ffd5

Comments