MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1
SHA3-384 hash: f3b901d7c3bbb604f93e488b781609460413734c44aa447a0b179613560a6e6dc82fa613415ce946f08389dcdd2a31b7
SHA1 hash: 612427ac619422fc70f8f26902052b0614f0f047
MD5 hash: 9f46e6054df7faaae5e266e917d8494a
humanhash: xray-hamper-zulu-harry
File name:RE9865445009869.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:315'586 bytes
First seen:2023-04-20 11:10:59 UTC
Last seen:2023-05-13 22:56:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:ZYa6sXIN5XFv37EF7tKoe1pvgXOSIUXttATMzIDm+DCU:ZY+IN5XFv4FAoUgr9tATtm++U
Threatray 2'204 similar samples on MalwareBazaar
TLSH T11564126025F8C672F5A317717E3E6E0A6B85960164A44B8F7384BB8D7F92182D71E333
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
260
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1.zip
Verdict:
Malicious activity
Analysis date:
2023-04-20 11:12:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d962f40e-1b2d-483e-aed5-12da56621932

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/383750/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.19200.18590.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/80658/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/64411dc82505c9cd829eccfe/reports/35259b25-14c7-4a6c-b1d6-5e68cc6c9582/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ee02ff8-39dc-4b12-b910-07000f69642b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217909
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850855 Sample: RE9865445009869.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 3 other signatures 2->47 7 RE9865445009869.exe 19 2->7         started        10 luueajjs.exe 2->10         started        13 luueajjs.exe 2->13         started        process3 file4 23 C:\Users\user\AppData\Local\...\xbhbvkl.exe, PE32 7->23 dropped 15 xbhbvkl.exe 1 2 7->15         started        55 Multi AV Scanner detection for dropped file 10->55 signatures5 process6 file7 25 C:\Users\user\AppData\...\luueajjs.exe, PE32 15->25 dropped 33 Multi AV Scanner detection for dropped file 15->33 35 Detected unpacking (changes PE section rights) 15->35 37 Detected unpacking (creates a PE file in dynamic memory) 15->37 39 5 other signatures 15->39 19 xbhbvkl.exe 15 2 15->19         started        signatures8 process9 dnsIp10 27 mail.sienkakupeste.com 185.85.204.185, 49697, 587 GARANTISERVER-COMGarantiServerDatacenterTR Turkey 19->27 29 api4.ipify.org 173.231.16.77, 443, 49696 WEBNXUS United States 19->29 31 api.ipify.org 19->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->49 51 Tries to steal Mail credentials (via file / registry access) 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 09:31:17 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 35 (42.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdv7jsdz2mrr3kydyr3xnxdmqwu4i2wgavrmtecsu3bjkrwiq3yq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
193e2444ca045fd813211cd2c4093f882b6d0bfe183d7a66ad3492bf90b00d3c
AgentTesla
2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
AgentTesla
36b0fbab2618611a165f399650cd3581a3a0723687164cd8482be37957ac4f35
AgentTesla
4b6468989653964cef811f5f54369376c1f07ee33a4d5cb279374a03d0c06a9d
AgentTesla
64f7160a149eb98340872f6bba7149c4b654cff413acced11d4c7ee14f3a7ad5
AgentTesla
94c637c2c4d946ebf85767c33634ed47ffcaf7be041bfc317cb470ec88b0e6b8
AgentTesla
aa5336fbd1f094aabf356588943e259fdb8330a19e9e957bf8bbcac9d3ae7401
AgentTesla
b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2
AgentTesla
e92d947e5ba510e9dff65b5e87e56e08df8c70e1bd9a05ea7ed08a860b957295
AgentTesla
+ 2'194 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/230420-m99weahd89/
Behaviour
Suspicious behavior: MapViewOfSection
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
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
ebae53078ad89c341b0f4ce1de0266250507cc4aeefb8c584ede6321b506ec87
MD5 hash:
c650d65e5b9e49c38fb1d76806c73bd3
SHA1 hash:
17ea7265ca7c33da35677ecab8e28feb330d7fa5
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/cdd0c68b-4398-4de2-937c-e54c280392ef/
Parent samples :
193e2444ca045fd813211cd2c4093f882b6d0bfe183d7a66ad3492bf90b00d3c
b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1
80ae62b5d4012d415c4cb598140cfb6ad485b07f712a0c40d31d6fb46c4dd922
62ba9abf9812bfe84b4861cf596cee1c5a0cc1909e838ee8a31330509bd65147
df2ddabfa19f0d12d7626eb76d5202cfbfc21ea56f5b78505af147d827b1b590
41ece53ba5688f97959fa0ebdbfb979c0b60ee534e05b094bae8cef005875876
0972105c3cb2d74e7cb3f00ddcc6cc96089524d5625b62f71e27d5857c6eba40
SH256 hash:
6e852fa9ca2de69712808fa01cbfe4bc44ab0581a44c0ae2de4a0b836ffb2b75
MD5 hash:
9e2b65b47dc3babdf089e96c72c48a50
SHA1 hash:
052f36267c3d395a6b2ce6f7e8972e82f46ae567
Link:
https://www.unpac.me/results/cdd0c68b-4398-4de2-937c-e54c280392ef/
SH256 hash:
b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1
MD5 hash:
9f46e6054df7faaae5e266e917d8494a
SHA1 hash:
612427ac619422fc70f8f26902052b0614f0f047
Link:
https://www.unpac.me/results/cdd0c68b-4398-4de2-937c-e54c280392ef/
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/b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 b8ebf4c879d3231dab03c47776dc6c85a9c46ac60562c99052a6c29546c886f1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/383750/

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