MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
SHA3-384 hash: c990d394be0591f25808bb75a374974385046d7170ada32f0e41940e5832ce67cb1f6de69572e5edc636964354a29956
SHA1 hash: c39b234199d05a3b1d0c1b881ee96b7ed77a1afb
MD5 hash: 07fbac0c871b672676014316921417aa
humanhash: oranges-sweet-mango-dakota
File name:copy_106_10210_31.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:394'616 bytes
First seen:2024-04-13 10:53:10 UTC
Last seen:2024-04-15 06:14:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:KhxaIKcqkOzhNmw4KAvZFzk2SzgRoszD9QVRV:DIVOVN0ZFcgRRX9QVH
Threatray 412 similar samples on MalwareBazaar
TLSH T176843B0332495C9AF98B5E7288EFDA2003B4EE9D9669C70E35817A761DF33023457B5B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 92b29c8e8eb28696 (5 x AgentTesla, 1 x NanoCore, 1 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
51
# of downloads :
334
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
copy_106_10210_31doc.7z
Verdict:
Malicious activity
Analysis date:
2024-04-12 09:09:07 UTC
Tags:
agenttesla stealer remote xworm
Link:
https://app.any.run/tasks/382115e1-e812-49fe-917e-4d0f6b4902de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Reading critical registry keys
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/661a644c0b46b3036934e901/reports/bff9413c-66e3-43f6-b8dc-468c14726da3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
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/d9d93528-c22e-4935-b0b5-cf7038298a15
Result
Threat name:
AgentTesla, PureLog Stealer, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425380
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1425380 Sample: copy_106_10210_31.exe Startdate: 13/04/2024 Architecture: WINDOWS Score: 100 35 api.telegram.org 2->35 37 file-drop.cc 2->37 39 api.ipify.org 2->39 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 73 15 other signatures 2->73 8 copy_106_10210_31.exe 16 7 2->8         started        13 uogeeqa.exe 2->13         started        15 uogeeqa.exe 2->15         started        signatures3 71 Uses the Telegram API (likely for C&C communication) 35->71 process4 dnsIp5 45 file-drop.cc 104.21.95.172, 443, 49704, 49712 CLOUDFLARENETUS United States 8->45 31 C:\Users\user\AppData\Roaming\uogeeqa.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\Temp\winix.exe, PE32 8->33 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->75 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->77 17 winix.exe 14 3 8->17         started        20 copy_106_10210_31.exe 2 8->20         started        79 Multi AV Scanner detection for dropped file 13->79 81 Machine Learning detection for dropped file 13->81 83 Injects a PE file into a foreign processes 13->83 23 uogeeqa.exe 13->23         started        25 uogeeqa.exe 15->25         started        file6 signatures7 process8 dnsIp9 51 Multi AV Scanner detection for dropped file 17->51 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->53 55 Machine Learning detection for dropped file 17->55 57 Injects a PE file into a foreign processes 17->57 27 winix.exe 3 17->27         started        41 66.29.151.236, 49714, 587 ADVANTAGECOMUS United States 20->41 43 api.ipify.org 104.26.12.205, 443, 49713 CLOUDFLARENETUS United States 20->43 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->59 61 Tries to steal Mail credentials (via file / registry access) 20->61 63 Tries to harvest and steal browser information (history, passwords, etc) 20->63 signatures10 process11 dnsIp12 47 94.156.65.181, 49717, 5353 TERASYST-ASBG Bulgaria 27->47 49 api.telegram.org 149.154.167.220, 443, 49715 TELEGRAMRU United Kingdom 27->49 85 Protects its processes via BreakOnTermination flag 27->85 signatures13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2024-04-12 16:46:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rogwrjdys76h7bqsvwjsv3df3z7fki6s5v3btww3nbxrygw6voaa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
0cb284abb63cf61b070bfa0a5250ff536f92907bbf5eec07070b9aeafa4ac2bd
AgentTesla
2bd6df3a98337e2b75e9fdb9815538c84eff19ea760374a47db979b828918fc2
AgentTesla
a69420b181a6704cdf507e6ba6f725060fc4eca42794aca6a3719af43bc33560
AgentTesla
d0f7fb07005ab151b76ab0cd9f5b45a7d319fb3273044c2f5b66a491c6161f9e
AgentTesla
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
AgentTesla
e266e47b3217cf61995fefdf946e42222061614db9b3aa16318da5ca0eb73ff0
AgentTesla
+ 402 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:xworm family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240413-mzjlgafh5z/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect Xworm Payload
Detect ZGRat V1
Xworm
ZGRat
Malware Config
C2 Extraction:
94.156.65.181:5353
Unpacked files
SH256 hash:
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
MD5 hash:
07fbac0c871b672676014316921417aa
SHA1 hash:
c39b234199d05a3b1d0c1b881ee96b7ed77a1afb
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/9bf87ef9-178e-4af3-9ce9-b29fe0203849/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8b8d68a47897/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/8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

7z 8eede35eb870ace4182aa53796d649ccf293601b8f0a6cf777c4a3a42af66261

AgentTesla

Executable exe 8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8eede35eb870ace4182aa53796d649ccf293601b8f0a6cf777c4a3a42af66261
  
Dropped by
MD5 e1e7aae0c73232df9f1f3c45998bf6da

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments