MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d
SHA3-384 hash: f238f7e02cf4e2b54287ae2017689ba046c93ad9d4d092b9a79725e631a568f8139cb29f1809edfba026be2e66b268d1
SHA1 hash: 00e03130e8f8293e9bc1e70608bf1a13578b76b7
MD5 hash: b6eb4344b1c932d6a15c21bb15bc1ab8
humanhash: lithium-saturn-mirror-texas
File name:purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:880'640 bytes
First seen:2022-08-01 11:31:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:o+le3n2Owl9tD2iNxlWxG0PWUXRfNQiOLrCBK7u5BgSe8BJy9xzMvrLsH/4+2IbC:Hle3n+H1AFWUBfNQiqN7uRBJBLM/B6
Threatray 19'153 similar samples on MalwareBazaar
TLSH T1D915079DB21172DFC857C872CEA81C64EA5175BB831F9203A02725ADDA1D8A7DF148F3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/295548/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.Siggen18.28299.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Sending a custom TCP request
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed
Link:
https://www.filescan.io/uploads/62e7b9f0d40ca3666157aca1/reports/c7d9b442-ad37-4282-a921-83b95e966235/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a28b99d1-d60b-409e-aff6-1c6040fa7f03
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1044114
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for dropped 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)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676608 Sample: purchase order.exe Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 7 purchase order.exe 6 2->7         started        12 JJWpKg.exe 2 2->12         started        14 JJWpKg.exe 1 2->14         started        process3 dnsIp4 43 192.168.2.1 unknown unknown 7->43 35 C:\Users\user\AppData\...\yxCwDAsKYLcWuz.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpD12B.tmp, XML 7->37 dropped 39 C:\Users\user\...\purchase order.exe.log, ASCII 7->39 dropped 65 Writes to foreign memory regions 7->65 67 Injects a PE file into a foreign processes 7->67 16 RegSvcs.exe 2 4 7->16         started        21 RegSvcs.exe 7->21         started        23 schtasks.exe 1 7->23         started        25 conhost.exe 12->25         started        27 conhost.exe 14->27         started        file5 signatures6 process7 dnsIp8 41 mail.polytrans.co.ma 151.80.78.96, 49767, 587 OVHFR Italy 16->41 31 C:\Users\user\AppData\Roaming\...\JJWpKg.exe, PE32 16->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 16->33 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file / registry access) 16->55 57 Tries to harvest and steal ftp login credentials 16->57 63 3 other signatures 16->63 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->61 29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-01 09:19:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dknelxqdq425d5ih2pqoy5y5q52nvsbahhspz22edoc4dovsymgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05c145b6410525b3e099f43e8343f5e231afc4281aa95f10223b1598ad8c175b
AgentTesla
411022818cec2591dcd94d4dec69f992060eb05fd63d6804809380fc1e0370ab
AgentTesla
41370f84c110c1650550d8876a19abd62f5370079c8934b7644e666d6cc0e0b8
AgentTesla
547a2b11673752306b717a538317f0cc21b31a580df7e07697b3d8377d01e583
AgentTesla
5ba59a67642ebc92fc1fd9ecd8eadf39d94b29a2a317f0d4de26f30312f3df13
AgentTesla
76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947
AgentTesla
ad74c52f7c884ad9d67bea814f1fc61e2fb074c8728d703a882b6e61f5bae1d5
AgentTesla
+ 19'143 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220801-nnad4aghel/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/d6f763c5-55b3-4e7d-bce1-497877df7e9b/
SH256 hash:
38b30ffd90845eacc1ae41668dcb2ad30e02a7c29bbb2cb6f09d13bdd9d4483d
MD5 hash:
635a1d0d731bebd35f5e6f79900a65e3
SHA1 hash:
e77d9934d17b492aab8cde152e2793a647391588
Link:
https://www.unpac.me/results/d6f763c5-55b3-4e7d-bce1-497877df7e9b/
SH256 hash:
5b133ec1469647db247c65f9595759539be734d9ed6bf5e2b94e38e6627548e7
MD5 hash:
b6acc7eec45c83d7654d03a7de37001c
SHA1 hash:
49edc6d1f527893d0ac5f529bf61a738376aefd0
Link:
https://www.unpac.me/results/d6f763c5-55b3-4e7d-bce1-497877df7e9b/
SH256 hash:
1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d
MD5 hash:
b6eb4344b1c932d6a15c21bb15bc1ab8
SHA1 hash:
00e03130e8f8293e9bc1e70608bf1a13578b76b7
Link:
https://www.unpac.me/results/d6f763c5-55b3-4e7d-bce1-497877df7e9b/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a9a45de0387/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 1a9a45de038735d1f507d3e0ec771d8774dac82039e4fceb441b85c1bab2c30d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/295548/

Comments