MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861
SHA3-384 hash: 2736f72da064477936a6114a10fb8c777b6d340782c637e22df42a9146839e7b7d75a58427012b1a7e69a34bf051cfd8
SHA1 hash: 0accc8a913fb5bcc7625f411137767b27e5a63b2
MD5 hash: f77774b71cabad6cca37da8bcc05b690
humanhash: hawaii-cardinal-missouri-green
File name:SJDsd4R6jVZhfNgpj.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:5'601'504 bytes
First seen:2024-01-12 13:13:43 UTC
Last seen:2024-01-12 15:17:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0751433fb799ff99dbf59b2d0c85d83d (4 x StormKitty, 3 x AgentTesla, 2 x Stealc)
ssdeep 98304:sJz8j6ni/bQv8EYuYsXvK0y7l40rABR4x:sJ8enijQvFIsfxy7xAwx
Threatray 38 similar samples on MalwareBazaar
TLSH T11246BE25B7E405D0E96BC631CA2AC732D6B1F8590B36835F0569E34B2E337914FBB225
TrID 60.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
17.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
dhash icon 74e4c0c6c6cc94d4 (1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-01-11T01:53:05Z
Valid to:2025-01-11T01:53:05Z
Serial number: 17c4309929398c3de2b68d761e4b4e77
Thumbprint Algorithm:SHA256
Thumbprint: 89c815fc58f780f2f06f5c64d454557408d095770664ab24abdbf260c5f2ccf4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win64.InjectorX-gen.20134.24141.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Creating a window
Blocking the User Account Control
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win64/GenKryptik.GSOP trojan
Link:
https://www.hybrid-analysis.com/sample/166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/28ab9a53-eeac-41d0-b78f-852571e26744
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1373735
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Disables UAC (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1373735 Sample: SJDsd4R6jVZhfNgpj.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 32 api.telegram.org 2->32 34 api4.ipify.org 2->34 36 api.ipify.org 2->36 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 58 4 other signatures 2->58 8 SJDsd4R6jVZhfNgpj.exe 1 2->8         started        11 TulzXve.exe 2 2->11         started        13 TulzXve.exe 1 2->13         started        signatures3 56 Uses the Telegram API (likely for C&C communication) 32->56 process4 signatures5 60 Writes to foreign memory regions 8->60 62 Allocates memory in foreign processes 8->62 64 Adds a directory exclusion to Windows Defender 8->64 66 2 other signatures 8->66 15 jsc.exe 16 4 8->15         started        20 powershell.exe 23 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process6 dnsIp7 38 api4.ipify.org 173.231.16.76, 443, 49708 WEBNXUS United States 15->38 40 api.telegram.org 149.154.167.220, 443, 49709, 49710 TELEGRAMRU United Kingdom 15->40 30 C:\Users\user\AppData\Roaming\...\TulzXve.exe, PE32 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 4 other signatures 15->48 26 WmiPrvSE.exe 20->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861/
Threat name:
Win64.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2024-01-11 10:34:59 UTC
File Type:
PE+ (Exe)
Extracted files:
11
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czvxtc2gvxq55mqgl7nopejukn6kj2vihlj2iwmipcyhvskmrbqq._file
Verdict:
unknown
Similar samples:
0c482a3a2510cf8f323c5c4d9097850be9e77f09cf163b1de2c2220cfad3beb8
AgentTesla
3fefd283343b7f7c7f4b41c4b1cd4d396db892a5866361722d22b28a632a95bb
AgentTesla
5982ee2f9702075b4dbc970ed9d8e142830ea74e35554c9e46ebacf2d42702c9
AgentTesla
b42c2d040474f0dcce74562fda0cca005e2be2e9ede6a70cd49f1a2878d8eb99
AgentTesla
ea0ac7277d0fdf801972b56bdc57184fc51ac8be47438873396436736f3694a9
AgentTesla
eab4a2382263fbfedbddaed6cd19627ba3d5d9f5db8060a2a1adc2b1c4ca7125
AgentTesla
+ 28 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240112-qgndgshda2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
AgentTesla
UAC bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot6671257273:AAFoEbzHE1dx4YkJDAmvJpQ-9M4Ez0ipv1I/
Unpacked files
SH256 hash:
166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861
MD5 hash:
f77774b71cabad6cca37da8bcc05b690
SHA1 hash:
0accc8a913fb5bcc7625f411137767b27e5a63b2
Link:
https://www.unpac.me/results/ffabdc4b-4a4a-425c-928f-0a743953890d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/166b798b46ad/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/166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Malspam

AgentTesla

Executable exe 166b798b46ade1deb2065fdae79134537ca4eaa83ad3a4598878b07ac94c8861

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments