MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2
SHA3-384 hash: 5ebe9b1c1404a78133ebb55479420eecd209d6c5fee05752ce32017f6a0c3628d914111db02a4c2ed09c40a1d1b3bc09
SHA1 hash: 87c6ff174d8e11730526c3000cb7661c722afd7f
MD5 hash: 73bf3bcb7acd9d59ebfc74131943b531
humanhash: colorado-west-tennis-five
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:835'072 bytes
First seen:2023-02-14 19:42:40 UTC
Last seen:2023-02-14 21:32:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:rYHAQ57jSaPGA2GB00ZU3Zuc17QblaJk:YX56aP00ZUQcFr
Threatray 22'080 similar samples on MalwareBazaar
TLSH T165052229BE08C133C63F44F8351B6EA4E2B92D795871D3922C96B99F22F43D5141EB87
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter jstrosch
Tags:.NET AgentTesla exe MSIL

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
37809.xls
Verdict:
Malicious activity
Analysis date:
2023-02-13 15:03:21 UTC
Tags:
opendir exploit cve-2017-11882 loader agenttesla
Link:
https://app.any.run/tasks/85f655b6-0163-442d-bc33-03a33e79a32a

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/366065/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65487455.17587.3984.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/76f0bf61-0f23-4aad-ac34-9a6ce71fa9ad
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1174842
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 807645 Sample: file.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 100 62 api.telegram.org 2->62 64 Snort IDS alert for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 8 other signatures 2->70 8 file.exe 7 2->8         started        12 oOukBWQmf.exe 5 2->12         started        14 NXLun.exe 2->14         started        16 NXLun.exe 2->16         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\oOukBWQmf.exe, PE32 8->54 dropped 56 C:\Users\...\oOukBWQmf.exe:Zone.Identifier, ASCII 8->56 dropped 58 C:\Users\user\AppData\Local\...\tmpD12C.tmp, XML 8->58 dropped 60 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->60 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->84 86 Uses schtasks.exe or at.exe to add and modify task schedules 8->86 88 Adds a directory exclusion to Windows Defender 8->88 18 file.exe 2 5 8->18         started        22 powershell.exe 21 8->22         started        24 schtasks.exe 1 8->24         started        90 Antivirus detection for dropped file 12->90 92 Multi AV Scanner detection for dropped file 12->92 94 Machine Learning detection for dropped file 12->94 26 oOukBWQmf.exe 2 12->26         started        28 schtasks.exe 1 12->28         started        96 Injects a PE file into a foreign processes 14->96 30 schtasks.exe 14->30         started        36 2 other processes 14->36 32 schtasks.exe 16->32         started        34 NXLun.exe 16->34         started        signatures6 process7 file8 48 C:\Users\user\AppData\Roaming\...48XLun.exe, PE32 18->48 dropped 50 C:\Windows\System32\drivers\etc\hosts, ASCII 18->50 dropped 52 C:\Users\user\...52XLun.exe:Zone.Identifier, ASCII 18->52 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->72 74 Tries to steal Mail credentials (via file / registry access) 18->74 76 Tries to harvest and steal browser information (history, passwords, etc) 18->76 78 Modifies the hosts file 18->78 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        80 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->80 42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-13 15:34:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4moh66txdwwgi6preqeftcepvhz5kcbnzfdp5zgn52ivkujehza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
19e17a4a2e84b9c69139249d1891e3385f7667d8f5612928c6c863bccf494fbb
AgentTesla
512041d2cf26aa8cdd11e5c0edd3a5047e887d18204e554875026ae850a49ffe
AgentTesla
7b9a9c4a56b756b499574a593ce6c5632f8a513abc4fd9a61844f211ffc672c8
AgentTesla
8cd4c16a13548868b46418bc0cff17da000d0e7a11f64124307d67cc6f3e244c
AgentTesla
8e65828c8fd061863c6432c11716349486bdb2d0bdec577d9f9274630a05979c
AgentTesla
a7c01a1573cc4592ae5d66c36fe7a35fc44c87ea5c9497e9cb23d7271d7e75c7
AgentTesla
a95080ec14edf35c0050e251c601eb514d746096b21fea7f71415419451d21f6
AgentTesla
b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54
AgentTesla
ccd77cbc63c742c4257198a6aca7d14d846bcd96272f4b334c519ce4a7259458
AgentTesla
+ 22'070 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/230214-ye8weafb8z/
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
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 payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
c62a7cdb763e74207bcd0a8227cb3bb5b0e40ac46d3a210fa3061e0ba5e3ba49
MD5 hash:
885eb1e14e3e0524f1428b6cec5f1128
SHA1 hash:
b3c003ba8f62f3b9cfded18e76694b5a60975123
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
SH256 hash:
1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
MD5 hash:
6000c65c92c57aacb254a0086b11c94f
SHA1 hash:
0445ffce0d85572af354edfe744a3762440f5c9b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
Parent samples :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 hash:
aeb47b01db4d07411c4c4659f28f278913c3d79ddfb5d5483fa7e116a38cec9b
MD5 hash:
05e68cb2ec7b89368c60fce9c26d90c4
SHA1 hash:
01d72c225f8f51e327256fcb3fda2345bf3fecc1
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
SH256 hash:
cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2
MD5 hash:
73bf3bcb7acd9d59ebfc74131943b531
SHA1 hash:
87c6ff174d8e11730526c3000cb7661c722afd7f
Link:
https://www.unpac.me/results/7575777d-0208-4bb5-81b5-f3eac77e1876/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf18e3fbd3b8/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/cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2

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.

Web download

AgentTesla

Executable exe cf18e3fbd3b8ed6323cf892042cc447d4f9ea8416e4a37f7266f748aaa8921f2

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/366065/

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