MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7
SHA3-384 hash: 58d72be61693cb1c7c22488e5f38eecbf12dc13081f5127b0259025b316e3de274bb3496d281ada325a38ace8de05ea7
SHA1 hash: 519ff74cb97229a1b1fd7c5515b165cf30472e28
MD5 hash: 8c9cf2d7436c524449d3559a379a9b7d
humanhash: floor-friend-foxtrot-black
File name:#4WIa5.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'149'440 bytes
First seen:2022-12-06 06:53:03 UTC
Last seen:2022-12-06 08:35:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:9g7yqlK/1FuZ7zNrQ5DQRQFs0TZ7yw+mD:u7yLDkVrQ5ysTB9JD
Threatray 20'244 similar samples on MalwareBazaar
TLSH T150359D1377FB66D4D17A97F4542013151FE0E6298A17C738EFA454C8EBA2B22DAD0B32
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
#4WIa5.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 06:53:48 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/0c03907f-3236-404c-ae43-16cee197c33f

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/343217/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.48077.31635.15655.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638ee70b04e0e79bdf41128d/reports/c6252b99-b244-4f64-bb98-aea166c246e5/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/457dd4cc-eedf-4b3b-9cb7-469060955af1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129500
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 762222 Sample: #4WIa5.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 36 api.telegram.org 2->36 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 8 other signatures 2->56 7 #4WIa5.exe 3 2->7         started        11 yGbzOMp.exe 3 2->11         started        13 yGbzOMp.exe 2 2->13         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\#4WIa5.exe.log, ASCII 7->34 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->60 62 Injects a PE file into a foreign processes 7->62 15 #4WIa5.exe 17 6 7->15         started        20 #4WIa5.exe 7->20         started        64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 22 yGbzOMp.exe 14 3 11->22         started        24 yGbzOMp.exe 11->24         started        26 yGbzOMp.exe 11->26         started        28 yGbzOMp.exe 3 13->28         started        signatures6 process7 dnsIp8 38 api.telegram.org 149.154.167.220, 443, 49690, 49691 TELEGRAMRU United Kingdom 15->38 30 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 15->30 dropped 32 C:\Users\user\...\yGbzOMp.exe:Zone.Identifier, ASCII 15->32 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file / registry access) 15->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 46 Tries to harvest and steal ftp login credentials 28->46 48 Tries to harvest and steal browser information (history, passwords, etc) 28->48 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-12-05 11:11:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dzy6k2it6zjrzfselpeqwuout2ngsv2cg3mxwpbwz2m5wt42t3tq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
32ce4af90555f219552a1045072569278b801900a324a80d4415d59d1131e117
AgentTesla
45340696f311075cbef1929f4ce534aaa3b872e75f15a9d538ba7cd4f45b717d
AgentTesla
53339c5cdab615030a4c2590e24fff630950bd67efa0befc029cb65c1621ecfb
AgentTesla
61881ceb156b1061749e30c9e396bf12e94abedaebfe0acc723666c3f58e5ada
AgentTesla
94954f4e2dd4bdb9d9a25687adb61397ba91eb0dbd5d14df01fe281222cd35d4
AgentTesla
a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231
AgentTesla
ad5af6dd7b293e650c8e5b740aa48de75ae6aec0360489a5306b8cab6482a99f
AgentTesla
b37d9a54e81fc3feac68afee6c776fea62e111491db1da57456452beabe118ac
AgentTesla
+ 20'234 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/221206-hnpacsdb79/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1591373451:AAH6Q2mvjdA9146Wl0khv2-kuh-iTps2zjw/
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/6649e4a1-d532-404f-b692-0043f7dd6b06/
SH256 hash:
dbbaf0086afda322861aaf5591a64dc8a625f5795aec6cd83327e395f1b0ff29
MD5 hash:
5026183b615b11ce547cac0200d5e7b9
SHA1 hash:
6b6f9abd868131cf89ca296d7ebf3c44e3ca2656
Link:
https://www.unpac.me/results/6649e4a1-d532-404f-b692-0043f7dd6b06/
SH256 hash:
e86de6cdd467a08433c8f0b4893b55a336c6ad5124ee1fec2727f48321f8ba95
MD5 hash:
06ca189593dc147449a81bbf9b435fec
SHA1 hash:
1cb0b72849b6ae9ae6bf7a9b9341727cf048a1b7
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/6649e4a1-d532-404f-b692-0043f7dd6b06/
Parent samples :
8ac1f7de055ec36e94804c99cf51741ec440b128e92f9a721749802e1204a0dc
1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7
SH256 hash:
1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7
MD5 hash:
8c9cf2d7436c524449d3559a379a9b7d
SHA1 hash:
519ff74cb97229a1b1fd7c5515b165cf30472e28
Link:
https://www.unpac.me/results/6649e4a1-d532-404f-b692-0043f7dd6b06/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1e71e56913f6/report/overview.html
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/1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7

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: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 1e71e56913f6531c96445bc90b51d49e9a69574236d97b3c36ce99db4f9a9ee7

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/343217/

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