MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591
SHA3-384 hash: 336bdf33626d01cf06b69c6a304128e9e1e80f4ab099d8376709aa5d06b15dbc1f5e9738911968badf5af25f96ed9ed4
SHA1 hash: 251757ebcc0c0adc41a7e8ca0926ab6c8835bc7c
MD5 hash: 9a136a60b35a874bd72719de29c83afd
humanhash: high-alpha-stream-nine
File name:Drawing and Design details-029433499.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:901'632 bytes
First seen:2023-04-06 06:58:16 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 24576:D+QJC1kjXhDrmFxK8CjGPGK0rrhLoqnCw:D+bujXh3DyOZfhLoqn
Threatray 12 similar samples on MalwareBazaar
TLSH T1E7157C916C2255C2C8B90FB444BA3E44177A9C438FD5903E3C82BA7E8FF6B5B54893D6
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 468692a6a292e646 (3 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence

File Origin
# of uploads :
1
# of downloads :
273
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Drawing and Design details-029433499.exe
Verdict:
Malicious activity
Analysis date:
2023-04-06 07:00:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/640fd824-e20a-4de9-aeac-bbe4c939d249

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/380555/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/642e6dba2254dc8912045d72/reports/873f1973-764b-473d-a341-db7d3ea54164/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a06b9d26-0d4f-43f3-8850-3c706e096db4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209456
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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 Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842373 Sample: Drawing_and_Design_details-... Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 7 Drawing_and_Design_details-029433499.exe 7 2->7         started        11 ZARRVd.exe 2 2->11         started        process3 file4 29 C:\Users\user\AppData\Roaming\ZARRVd.exe, PE32 7->29 dropped 31 C:\Users\user\...\ZARRVd.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp7C61.tmp, XML 7->33 dropped 35 Drawing_and_Design...s-029433499.exe.log, ASCII 7->35 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 57 2 other signatures 7->57 13 Drawing_and_Design_details-029433499.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 signatures5 process6 dnsIp7 37 api.telegram.org 149.154.167.220, 443, 49699 TELEGRAMRU United Kingdom 13->37 59 Tries to steal Mail credentials (via file / registry access) 13->59 61 Tries to harvest and steal browser information (history, passwords, etc) 13->61 63 Installs a global keyboard hook 13->63 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-04-06 03:07:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygfu2t2hf5truvkkiaomwihxlnjodtei5qbtn6ysovry4yrx2wiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0d2d3cc50572a90b68558d070375be0474a2294f5cc1d4ac0249b19f21d12d8b
AgentTesla
23c5dd5c73abb1746a8ea04fc1a2ae9e54114f6554f46fa04548b4bab4599ee8
AgentTesla
80b6e703e67ace7480854fa2e005495b86c53b0f2afd72018d0c77bf9fd43605
AgentTesla
86427b8288b61c876a94f3d5226fb04f843ee245ad937dcdb4b974e81ec8b404
AgentTesla
8ec8019892b2f4625446c785c98dce87ac6362cbbdef61f57c4787ec35bbb262
AgentTesla
d84a5f234b44723f4c8204264b4506cc2f06474790f6469acc09012029f35854
AgentTesla
e8baab9792dfce15247214c13c6ccbac6f622f08774e1cd81d86379ba90a35fe
AgentTesla
eac54971eb50b657345e1629f6931818ef3eecaa29196b5fa97492ef4aea1198
AgentTesla
f2227038e0ff26cbcf040a694c1e6e0fd3c42316179c97eb539744aebc4ec0f2
AgentTesla
fbf65313c5df97b4605857a062c5f4161d189395369346927520cc2811a1a711
AgentTesla
+ 2 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230406-hr3xxsdg81/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6145149580:AAGlu9vZ9LvBaA2nRQJbqSpXqzQLKqmpjQE/
Unpacked files
SH256 hash:
ae09f69ae1f8064255a4cc374070d4a882a3abba00639ee1c206eed3f2982e98
MD5 hash:
c75f4fc5f57dcfda371b334c7baa78b0
SHA1 hash:
608bea0ef153549552916b3089ac2b7334b07464
Link:
https://www.unpac.me/results/007c1a84-c927-4337-9227-7685032da3a2/
SH256 hash:
c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591
MD5 hash:
9a136a60b35a874bd72719de29c83afd
SHA1 hash:
251757ebcc0c0adc41a7e8ca0926ab6c8835bc7c
Link:
https://www.unpac.me/results/007c1a84-c927-4337-9227-7685032da3a2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591

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 c18b4d4f472f671a554a401ccb20f75b52e1cc88ec0336fb1275638e6237d591

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/380555/

Comments