agenttesla | a3b029d42bd7d807c09240ae9002750c41f0e7e840ac97e7c069d3123510f098

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 06:58

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General

Target

a45093c46a998137b18e4ec60a7341da_JaffaCakes118.ps1
Size

2.5MB
MD5

a45093c46a998137b18e4ec60a7341da
SHA1

970747f951a674c58a12fffea58d06e78958b0be
SHA256

a3b029d42bd7d807c09240ae9002750c41f0e7e840ac97e7c069d3123510f098
SHA512

bd7f5313e64065db40a464468a7d658193cbcc27147e90eec3f2d49f71937a91e43a09734ef7e6b6f0509ff3704aa5622345e666dbb694282c5f72515a3b0122
SSDEEP

24576:iw2O9/TgwrSUhVPHahmorI0hnvUwLS4VaVKrYlKgsvcRhyG+ryWkLNwm7MCH5mpK:z95cwOI0ZhHRwllR6idC1pqr88oBY

Score

10^/10

agenttesla nanocore collection evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

alexurch.ddns.net:7416

Mutex

2e8144aa-eb59-4c72-89f2-7a135841085d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-03-09T16:13:18.568639836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7416
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
2e8144aa-eb59-4c72-89f2-7a135841085d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
alexurch.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

AgentTesla payload 14 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2728-29-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-23-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-30-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-31-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-47-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-45-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-44-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-42-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-39-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-38-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-36-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-34-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-33-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla
behavioral1/memory/2728-32-0x0000000000400000-0x0000000000490000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

Processes:

iwfx.exe

description ioc process

File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diskraid.url iwfx.exe
Executes dropped EXE 2 IoCs

Processes:

iwfx.exeNANO no startup.exe

pid process

2376 iwfx.exe
2532 NANO no startup.exe
Loads dropped DLL 2 IoCs

Processes:

RegSvcs.exe

pid process

2728 RegSvcs.exe
2728 RegSvcs.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diskraid.url	iwfx.exe

pid	process
2376	iwfx.exe
2532	NANO no startup.exe

pid	process
2728	RegSvcs.exe
2728	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

NANO no startup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA NANO no startup.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

20 checkip.amazonaws.com
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.

Processes:

resource yara_rule

C:\Users\Public\iwfx.exe autoit_exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

iwfx.exe

description pid process target process

PID 2376 set thread context of 2728 2376 iwfx.exe RegSvcs.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2352 powershell.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exeRegSvcs.exeNANO no startup.exe

pid process

2352 powershell.exe
2728 RegSvcs.exe
2728 RegSvcs.exe
2532 NANO no startup.exe
2532 NANO no startup.exe
2532 NANO no startup.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

NANO no startup.exe

pid process

2532 NANO no startup.exe
Suspicious behavior: SetClipboardViewer 1 IoCs

Processes:

RegSvcs.exe

pid process

2728 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeRegSvcs.exeNANO no startup.exe

description pid process

Token: SeDebugPrivilege 2352 powershell.exe
Token: SeDebugPrivilege 2728 RegSvcs.exe
Token: SeDebugPrivilege 2532 NANO no startup.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

iwfx.exe

pid process

2376 iwfx.exe
2376 iwfx.exe
2376 iwfx.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

iwfx.exe

pid process

2376 iwfx.exe
2376 iwfx.exe
2376 iwfx.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

2728 RegSvcs.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	NANO no startup.exe

flow	ioc
20	checkip.amazonaws.com

resource	yara_rule
C:\Users\Public\iwfx.exe	autoit_exe

description	pid	process	target process
PID 2376 set thread context of 2728	2376	iwfx.exe	RegSvcs.exe

pid	process
2352	powershell.exe

pid	process
2352	powershell.exe
2728	RegSvcs.exe
2728	RegSvcs.exe
2532	NANO no startup.exe
2532	NANO no startup.exe
2532	NANO no startup.exe

pid	process
2532	NANO no startup.exe

pid	process
2728	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeDebugPrivilege	2728	RegSvcs.exe
Token: SeDebugPrivilege	2532	NANO no startup.exe

pid	process
2376	iwfx.exe
2376	iwfx.exe
2376	iwfx.exe

pid	process
2376	iwfx.exe
2376	iwfx.exe
2376	iwfx.exe

pid	process
2728	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

powershell.exeiwfx.exeRegSvcs.exe

description	pid	process	target process
PID 2352 wrote to memory of 2376	2352	powershell.exe	iwfx.exe
PID 2352 wrote to memory of 2376	2352	powershell.exe	iwfx.exe
PID 2352 wrote to memory of 2376	2352	powershell.exe	iwfx.exe
PID 2352 wrote to memory of 2376	2352	powershell.exe	iwfx.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2376 wrote to memory of 2728	2376	iwfx.exe	RegSvcs.exe
PID 2728 wrote to memory of 2532	2728	RegSvcs.exe	NANO no startup.exe
PID 2728 wrote to memory of 2532	2728	RegSvcs.exe	NANO no startup.exe
PID 2728 wrote to memory of 2532	2728	RegSvcs.exe	NANO no startup.exe
PID 2728 wrote to memory of 2532	2728	RegSvcs.exe	NANO no startup.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\a45093c46a998137b18e4ec60a7341da_JaffaCakes118.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352

C:\Users\Public\iwfx.exe
"C:\Users\Public\iwfx.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2376

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: SetClipboardViewer
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2728

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NANO no startup.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NANO no startup.exe"
4⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2532

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Public\iwfx.exe
Filesize
1.8MB

MD5
e0c0de2b3f8eda6c1f7a1ab3bd29ce87

SHA1
555e20c0382390f3a2e66e8ff3f7561499fc133c

SHA256
6a8ef26a45a7de1490578ee4ba07f1057129c56989e58651e5e01bfe62e4296f

SHA512
a489cf3e37e15f7776f554998e8bef83ad0582e251d136a38c5786676f2233f08cdaababbf33865cdde7d51e5da5ae1febe7fd4c865bdc98fa7c3768aecd9bca

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NANO no startup.exe
Filesize
202KB

MD5
898055fa90ac8489dfe21df5002f4027

SHA1
337b7d4c782d8bef058f4abc65936fe7199aa60b

SHA256
82c18f8a811e1f42df938b60d9bd770fe691bd595b9f00275ae8c6a5070b31d7

SHA512
fa9a07f720b9950ef00ad6f73426b63a1dd9c2ce020df2668c57d02faf00406849a855071becf078170fa49c1c97816eb93bbb8e393f675e3e78a196c1fbdbe9

Download Submit
memory/2352-4-0x000007FEF628E000-0x000007FEF628F000-memory.dmp

Filesize
4KB

Download
memory/2352-5-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2352-7-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2352-11-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2352-10-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2352-9-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2352-8-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2352-6-0x0000000001F70000-0x0000000001F78000-memory.dmp

Filesize
32KB

Download
memory/2352-17-0x000007FEF5FD0000-0x000007FEF696D000-memory.dmp

Filesize
9.6MB

Download
memory/2376-21-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/2728-23-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-39-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-29-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-30-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-31-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-47-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-45-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-44-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-42-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-38-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-36-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-34-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-33-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-32-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-22-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2728-58-0x0000000000BC0000-0x0000000000BCA000-memory.dmp

Filesize
40KB

Download