MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c27a36f09916fc04a5b43b2a7a0869d62e31d5c28a315257caf661b428fe221. 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 15 File information Comments 1

SHA256 hash: 1c27a36f09916fc04a5b43b2a7a0869d62e31d5c28a315257caf661b428fe221
SHA3-384 hash: 608a8bc44097895f7ecf3cbba07cf7449359a750fd7fb1a955430b1ef314bd23c93f1b0a1e094fa4c671fb9a63d571c2
SHA1 hash: cd37ac6d57bf10ec32359b2c842289d1df784d25
MD5 hash: bc2b81ee5871a2af529ba6d695e656c6
humanhash: saturn-yankee-lithium-nuts
File name:bc2b81ee5871a2af529ba6d695e656c6
Download: download sample
Signature AgentTesla
File size:1'234'944 bytes
First seen:2024-01-25 04:11:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:PAHnh+eWsN3skA4RV1Hom2KXMmHar3koY7memfo5:yh+ZkldoPK8YarUoY7meH
Threatray 1 similar samples on MalwareBazaar
TLSH T1F245AD02B3D1C036FFAA92739F69F24556BD7C294533851F22983EB9B9701B1132D663
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4dcd4d4dcd4d4d4 (7 x AgentTesla, 4 x Loki, 3 x RemcosRAT)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
http://78.138.46.125/grace.exe
Verdict:
Malicious activity
Analysis date:
2024-01-25 13:44:19 UTC
Tags:
loader agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin shell32
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1380856 Sample: zGDG3JRRiX.exe Startdate: 25/01/2024 Architecture: WINDOWS Score: 100 25 mymobileorder.com 2->25 27 api4.ipify.org 2->27 29 api.ipify.org 2->29 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 5 other signatures 2->49 7 zGDG3JRRiX.exe 4 2->7         started        10 OYZKbZu.exe 2 2->10         started        12 OYZKbZu.exe 1 2->12         started        signatures3 process4 signatures5 51 Binary is likely a compiled AutoIt script file 7->51 53 Writes to foreign memory regions 7->53 55 Maps a DLL or memory area into another process 7->55 14 RegSvcs.exe 16 4 7->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        process6 dnsIp7 31 api4.ipify.org 104.237.62.211, 443, 49729 WEBNXUS United States 14->31 33 mymobileorder.com 162.0.232.65, 49730, 49731, 49732 NAMECHEAP-NETUS Canada 14->33 23 C:\Users\user\AppData\Roaming\...\OYZKbZu.exe, PE32 14->23 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 3 other signatures 14->41 file8 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-01-25 04:12:05 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
9e9d791ebcf276f49548b424099b292d75c4437b85e75ae53b855b603a249fc9
MD5 hash:
d3c1c9331fdb16f53443f5857bad60f4
SHA1 hash:
f146be81e972390b8392bdda9b33d072e9165810
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
1c27a36f09916fc04a5b43b2a7a0869d62e31d5c28a315257caf661b428fe221
MD5 hash:
bc2b81ee5871a2af529ba6d695e656c6
SHA1 hash:
cd37ac6d57bf10ec32359b2c842289d1df784d25
Detections:
AutoIT_Compiled SUSP_Imphash_Mar23_3
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


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

Web download

AgentTesla

Executable exe 1c27a36f09916fc04a5b43b2a7a0869d62e31d5c28a315257caf661b428fe221

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-25 04:11:44 UTC

url : hxxp://78.138.46.125/grace.exe