MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498
SHA3-384 hash: 91b2bfe7f12be68ab24890264f0a7bb77732d8997edd056530b77f84949fb57aaa61d67e7f7aaa6c49ea281ecce80245
SHA1 hash: fa1275de52523b482803a596bfb00988e9db51a1
MD5 hash: e836121c64bc53fa97bd7685099cd993
humanhash: september-east-happy-enemy
File name:DOC_SKTSRI133_EV-PROF-2022-09-29_972484929923646208xE583sMS2tcO3o.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:834'560 bytes
First seen:2022-09-29 08:03:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TV2iNExXFGznY0TY0hiuelJiOwZEHNUfE6U4aLWy9vBjRA:x1uQznT3hb0nuy4SJT
TLSH T15505E1371BEA4B1BD15575B890C1C2B6A3A8CC11F1A7C3C76BCA4D1FF0CA6658B613A1
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314627/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/63355173896404d760d7794e/reports/816f38d5-f897-4842-a613-8cde8c7134a2/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d674f2a0-ee5b-4cf9-8d68-c1b36329f78c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1079826
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 712383 Sample: DOC_SKTSRI133_EV-PROF-2022-... Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 22 Snort IDS alert for network traffic 2->22 24 Multi AV Scanner detection for domain / URL 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 10 other signatures 2->28 6 DOC_SKTSRI133_EV-PROF-2022-09-29_972484929923646208xE583sMS2tcO3o.exe 3 2->6         started        process3 file4 16 DOC_SKTSRI133_EV-P...83sMS2tcO3o.exe.log, ASCII 6->16 dropped 30 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->30 32 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->32 34 Injects a PE file into a foreign processes 6->34 10 DOC_SKTSRI133_EV-PROF-2022-09-29_972484929923646208xE583sMS2tcO3o.exe 2 6->10         started        14 DOC_SKTSRI133_EV-PROF-2022-09-29_972484929923646208xE583sMS2tcO3o.exe 6->14         started        signatures5 process6 dnsIp7 18 smtp.jubana.cam 10->18 20 us2.smtp.mailhostbox.com 208.91.198.143, 49702, 587 PUBLIC-DOMAIN-REGISTRYUS United States 10->20 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->36 38 Tries to steal Mail credentials (via file / registry access) 10->38 40 Tries to harvest and steal ftp login credentials 10->40 42 Tries to harvest and steal browser information (history, passwords, etc) 10->42 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2022-09-29 07:24:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v35hf76f4aosadmia7lipjb3orik6ru73m5oq5qtspbddz6h6sma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220929-jx9s4abbgj/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla payload
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c6f1df36-35fc-46ed-8aa4-2b512782fb11
Unpacked files
SH256 hash:
fee5b07ae93ce742191ea634b9fdc1f5baf7d859d1dba35ed4dd6ef847f138b1
MD5 hash:
9c13208fe8302e133f1140ac2f23797e
SHA1 hash:
8ed9261de566c118b5f451617c46a6a60fa95969
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
SH256 hash:
91319ea266a90163787ab2fab00aaf484226aa10808e548053de370cedba04a6
MD5 hash:
dfc4befd04475bd0d88a26133f55a12f
SHA1 hash:
2ea5e0564556652728498b6ea276324a6c6871a2
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
SH256 hash:
640982fa11f1f2a2cfa16263ad3c5e48fb598a6eab919b79ae019a97bc004a7c
MD5 hash:
2a4bdb12a0d0da39e0d1e765936bcef8
SHA1 hash:
1691b2fa32abe825a81452641773bdc5e7750c2f
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
SH256 hash:
aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498
MD5 hash:
e836121c64bc53fa97bd7685099cd993
SHA1 hash:
fa1275de52523b482803a596bfb00988e9db51a1
Link:
https://www.unpac.me/results/f951333c-1475-40d0-887f-caea3a7c1d69/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aefa72ffc5e0/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/aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498

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 aefa72ffc5e01d200d8807d687a43b7450af469fdb3ae8761393c231e7c7f498

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/314627/

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