MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6
SHA3-384 hash: b2cdfd8eaa389dc94cde5c7ffc80c348deb9bd1840b4f468ce61ba0cc4074aa6cb5ce8edd74d2e7ad49efe8e1fd104da
SHA1 hash: d63f25ade0ca19af2c61b4bab284600148ca32ba
MD5 hash: a5abf03e9e99a3055969d8488ca0a613
humanhash: tennis-alabama-xray-paris
File name:AWB 94000302-2391.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:584'192 bytes
First seen:2021-10-13 06:10:01 UTC
Last seen:2021-10-13 12:22:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1WkciN5mYXx3y/LCipNPJQnNOwNk+uET8RIv9DHtAZvzFKUYSB:MvVYX1y2WPSNOwNk+5SIhaZvBKOB
Threatray 11'628 similar samples on MalwareBazaar
TLSH T1F3C4126623B49B21EEF7BFF119A21A209B70BF775602F7085D9820E61927F20F514747
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB 94000302-2391.exe
Verdict:
Malicious activity
Analysis date:
2021-10-13 06:13:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/815dc702-9da3-42af-bf37-cd2c4b2c567b

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/197080/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader43.42926.1974.26452.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6166783f9fb4d8593d634aff/reports/8970075d-04ba-42d5-8af1-6992f86c4028/overview
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/fa068ec2-64dd-400e-af87-4ffe47660469
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869329
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 501753 Sample: AWB 94000302-2391.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 9 other signatures 2->39 7 AWB 94000302-2391.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\cCqwWX.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp228B.tmp, XML 7->25 dropped 27 C:\Users\user\...\AWB 94000302-2391.exe.log, ASCII 7->27 dropped 41 Writes to foreign memory regions 7->41 43 Allocates memory in foreign processes 7->43 45 Adds a directory exclusion to Windows Defender 7->45 47 Injects a PE file into a foreign processes 7->47 11 RegSvcs.exe 6 7->11         started        15 powershell.exe 20 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 medicare-equipment.com 192.185.84.191, 49756, 49757, 587 UNIFIEDLAYER-AS-1US United States 11->29 31 mail.medicare-equipment.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->51 53 Tries to steal Mail credentials (via file access) 11->53 55 4 other signatures 11->55 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 22:14:05 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z37jcyb3faobejpgxepqwxaue42krjojmhhc3cio2xlsjiq757la._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
026c16e07aa7a3c56d2945fd7a10f671765baa7c9968bfad5dd8d2561024a811
AgentTesla
3218f1bb88527852e12178e56a9bf32aedd40a02bb83e8e51645ca7882686367
AgentTesla
94a92351cb8d3dc47240f362df959f1d063bbcd5014aa440583f58baf1126d38
AgentTesla
c7a75e30a847461f8dc6c7a1de39e25b3110d56afdb1a6ed1eb438965a4ee411
AgentTesla
e9347faf0d1e6550f89019a63e43e37b606184d23523400be37b8d6d91dd0895
AgentTesla
+ 11'618 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/211013-gw3maadden/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b5369a473a07f338f0420ec690856a2e74fb1d6d9a5ac17939d0d95d12cf2144
MD5 hash:
03b0c7956a48c0ac96910efefdb95cdb
SHA1 hash:
a131ec031bf16dcaab43fc7bd150d3e7de509680
Link:
https://www.unpac.me/results/0ec97b81-150f-42f6-bddb-db5b1b3fd32d/
SH256 hash:
e6370ec550604ac8e16ba38a3c92f6d6081ed5d6bc2313551a7e72e31dded1ac
MD5 hash:
524bce58fe34b172dd9f0aab2fba79f8
SHA1 hash:
7f003bdd2eb8e93dbe6265d6cf8db73b83d54816
Link:
https://www.unpac.me/results/0ec97b81-150f-42f6-bddb-db5b1b3fd32d/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/0ec97b81-150f-42f6-bddb-db5b1b3fd32d/
SH256 hash:
cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6
MD5 hash:
a5abf03e9e99a3055969d8488ca0a613
SHA1 hash:
d63f25ade0ca19af2c61b4bab284600148ca32ba
Link:
https://www.unpac.me/results/0ec97b81-150f-42f6-bddb-db5b1b3fd32d/
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/cefe91603b28/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/cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe cefe91603b281c1225e6b91f0b5c142734a8a5c961ce2d890ed5d724a21fefd6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197080/

Comments