MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3
SHA3-384 hash: 1f4b40ae9d17c76f8722e4b851f56bc035588518527dc2cd5652d429127ea0a322605456666b4c7c74a01c9a0a887b3c
SHA1 hash: 22db00e2dc83edec11610b2775d5a7475c0d41fd
MD5 hash: 6f0e93c5c3c308b5a2ef5553b54061c6
humanhash: april-network-august-bulldog
File name:Ekfrf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:364'032 bytes
First seen:2022-05-05 04:17:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:WXnmtWrnngnnnKnanlywwwBwwA5wwwwswww+wwwGwwwbwwwLwwwwwwwwwnwwwjwX:WWtWrnngnnnKnanxNY
Threatray 1'475 similar samples on MalwareBazaar
TLSH T125740D91E8535838CA244778BA7396B01CF9EC70C907E6716B207EE6F13BA20ED75572
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)
File icon (PE):PE icon
dhash icon 12f0a896ecf07090 (4 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Ekfrf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-05 04:18:05 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/05a61f38-2413-4677-a362-10a769ec17e9

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/268755/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6273500c75c6f158e80c0f36/reports/061686c2-0eb0-4b3c-93f9-737ec0131f4f/overview
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/988209
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Creates multiple autostart registry keys
Drops executable to a common third party application directory
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
Sigma detected: MSBuild connects to smtp port
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 620705 Sample: Ekfrf.exe Startdate: 05/05/2022 Architecture: WINDOWS Score: 100 39 mail.compratelapo.cl 2->39 41 compratelapo.cl 2->41 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 7 Ekfrf.exe 16 6 2->7         started        12 Feywr.exe 14 3 2->12         started        14 Feywr.exe 2 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 cdn.discordapp.com 162.159.133.233, 443, 49768, 49795 CLOUDFLARENETUS United States 7->47 33 C:\Users\user\AppData\Roaming\...\Feywr.exe, PE32 7->33 dropped 35 C:\Users\user\...\Feywr.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...kfrf.exe.log, ASCII 7->37 dropped 71 Creates multiple autostart registry keys 7->71 18 MSBuild.exe 2 8 7->18         started        49 162.159.134.233, 443, 49787 CLOUDFLARENETUS United States 12->49 73 Multi AV Scanner detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 23 MSBuild.exe 12->23         started        25 MSBuild.exe 14->25         started        27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        file6 signatures7 process8 dnsIp9 43 compratelapo.cl 209.58.147.12, 49780, 49786, 49800 LEASEWEB-USA-DAL-10US United States 18->43 45 mail.compratelapo.cl 18->45 31 C:\Users\user\AppData\Roaming\...\firefox.exe, PE32 18->31 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->61 63 Tries to steal Mail credentials (via file / registry access) 18->63 69 5 other signatures 18->69 65 Drops executable to a common third party application directory 23->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->67 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-05-05 02:58:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=53oy4nx4zxlgxjqnkdzmdb5wmacvamzkhu3xgohtmqplrt7x6hrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
068a5a6741c0bf5326cdce7e406c5273340ad1c9f4371fadeb88bf794f1d91e6
AgentTesla
47f55d901f3a0fcc649afa6e44bd4307fffd877ac92a33fde21992a93e54b27d
AgentTesla
526ccdf3725d73edaaf7115dab56fe804c409ae9ec955c9012f16cd63bdd1843
AgentTesla
6af08cff583e8520d50beb435bf93e133b4dea697fa65e12df39c134b67177bd
AgentTesla
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
AgentTesla
9c14d6ca77383fa5a3724feab17b217b900295abf77311a8c88f39ff7bb02f01
AgentTesla
b206c2d164d66dcd9fad4cffdcb28d73eb64d2f663f1de6fb90cc10b47665c41
AgentTesla
f366cb892570b264ce73bd7c818ee214f0e5f00dc008a4dac5fa5cdc095ddab7
AgentTesla
+ 1'465 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/220505-ewx1pahhdq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Unpacked files
SH256 hash:
eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3
MD5 hash:
6f0e93c5c3c308b5a2ef5553b54061c6
SHA1 hash:
22db00e2dc83edec11610b2775d5a7475c0d41fd
Link:
https://www.unpac.me/results/46d20997-e061-4fd3-9102-8ebf576b997b/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eedd8e36fccd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe eedd8e36fccdd66ba60d50f2c187b6600550332a3d377338f3641eb8cff7f1e3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/268755/

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