agenttesla | 8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449

Analysis

max time kernel
122s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 12:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5021036673.exe
Size

461KB
MD5

3b7ef5232e11bd43c48fbbcbaada35ab
SHA1

04c1003f6611b769fc7f900d404ac90d550a12ac
SHA256

8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449
SHA512

ef397e10b854bc6ba465717ef7686de5caab0fdd81b8758c89764cdba5e3b058d621562fac2bc3dd59d89e59e44579029b2cc21013bff691b0f88cb72665b9df
SSDEEP

6144:DVwYYaG3c+iS3oBIOokpsEjb2SfjNhuthxCCfBjhpH3565Xnnz/84DP7/V:r+bOxpsUiS7TutDCVF

Score

10^/10

agenttesla nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS
Email To:
[email protected]

Extracted

Family

nanocore

Version

1.2.2.0

94.156.68.219:2323

Mutex

687022d0-91f8-4a5a-bf22-c3a2c043d015

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-03-02T10:05:36.450504536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
2323
default_group
21may04
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
687022d0-91f8-4a5a-bf22-c3a2c043d015
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
94.156.68.219
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
Executes dropped EXE 1 IoCs

Processes:

Pgfmnlkveb.exe

pid process

2436 Pgfmnlkveb.exe
Loads dropped DLL 1 IoCs

Processes:

5021036673.exe

pid process

112 5021036673.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2436	Pgfmnlkveb.exe

pid	process
112	5021036673.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5021036673.exePgfmnlkveb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\notepads = "C:\\Users\\Admin\\AppData\\Roaming\\notepads.exe"	5021036673.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\notepads = "C:\\Users\\Admin\\AppData\\Roaming\\notepads.exe"	Pgfmnlkveb.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 api.ipify.org
9 api.ipify.org

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

flow	ioc
8	api.ipify.org
9	api.ipify.org

Suspicious use of SetThreadContext 2 IoCs

Processes:

5021036673.exePgfmnlkveb.exe

description	pid	process	target process
PID 112 set thread context of 728	112	5021036673.exe	5021036673.exe
PID 2436 set thread context of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

5021036673.exeRegAsm.exe

pid process

728 5021036673.exe
728 5021036673.exe
3412 RegAsm.exe
3412 RegAsm.exe
3412 RegAsm.exe
3412 RegAsm.exe
3412 RegAsm.exe
3412 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

3412 RegAsm.exe

pid	process
728	5021036673.exe
728	5021036673.exe
3412	RegAsm.exe
3412	RegAsm.exe
3412	RegAsm.exe
3412	RegAsm.exe
3412	RegAsm.exe
3412	RegAsm.exe

pid	process
3412	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

5021036673.exePgfmnlkveb.exe5021036673.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	112	5021036673.exe
Token: SeDebugPrivilege	2436	Pgfmnlkveb.exe
Token: SeDebugPrivilege	112	5021036673.exe
Token: SeDebugPrivilege	728	5021036673.exe
Token: SeDebugPrivilege	2436	Pgfmnlkveb.exe
Token: SeDebugPrivilege	3412	RegAsm.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

5021036673.exePgfmnlkveb.exe

description	pid	process	target process
PID 112 wrote to memory of 2436	112	5021036673.exe	Pgfmnlkveb.exe
PID 112 wrote to memory of 2436	112	5021036673.exe	Pgfmnlkveb.exe
PID 112 wrote to memory of 2436	112	5021036673.exe	Pgfmnlkveb.exe
PID 112 wrote to memory of 2436	112	5021036673.exe	Pgfmnlkveb.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 112 wrote to memory of 728	112	5021036673.exe	5021036673.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe
PID 2436 wrote to memory of 3412	2436	Pgfmnlkveb.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\5021036673.exe
"C:\Users\Admin\AppData\Local\Temp\5021036673.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\Pgfmnlkveb.exe
"C:\Users\Admin\AppData\Local\Temp\Pgfmnlkveb.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3412

C:\Users\Admin\AppData\Local\Temp\5021036673.exe
"C:\Users\Admin\AppData\Local\Temp\5021036673.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\users\admin\appdata\roaming\notepads.exe
Filesize
461KB

MD5
09f52399d4182c1fa58298b6998a21b0

SHA1
50e760ffe5ee0bb4d91abe7241c578793beae5df

SHA256
174004c5159a43d394d852ec27034448ed003defc008d308c4a606c3bc84cb17

SHA512
e1a64da8e4df6cb9706588f5323dba0e6678c49bc82bf65efa0b56d6c7cf0f1b9b53489f67de99b09e9558288ddb3b54d335ead8132c1640351134880a90db39

Download Submit
\Users\Admin\AppData\Local\Temp\Pgfmnlkveb.exe
Filesize
461KB

MD5
3096b4b10cadb369dfe4bf9baeb90fb9

SHA1
9c4901dd318cb7aa215b5b9729c368d0567cc42c

SHA256
7369e401e7fc860dca295f09625f4ef16235db5cad392e1c6ab4607c22b729dd

SHA512
49297c01ade6fcf408e2defc6f143ca7db2822acd2d2a9d9614e2272f7df02d64d815f262d158441c695769ae917a5a9216b86185377e817ce2f980f688c84f8

Download Submit
memory/112-47-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-13-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-2-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/112-3-0x0000000008910000-0x0000000008B70000-memory.dmp

Filesize
2.4MB

Download
memory/112-4-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-39-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-7-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-9-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-11-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-37-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-15-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-17-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-19-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-21-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-23-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-25-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-27-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-29-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-45-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-67-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-4892-0x0000000002270000-0x00000000022BC000-memory.dmp

Filesize
304KB

Download
memory/112-4891-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/112-4890-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/112-65-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-63-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-62-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-59-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-57-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-55-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-53-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-51-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-50-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/112-43-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-42-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-5-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-1-0x00000000003C0000-0x0000000000436000-memory.dmp

Filesize
472KB

Download
memory/112-35-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-34-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-32-0x0000000008910000-0x0000000008B69000-memory.dmp

Filesize
2.3MB

Download
memory/112-4893-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/112-4894-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/112-4904-0x0000000004F90000-0x0000000004FE4000-memory.dmp

Filesize
336KB

Download
memory/112-4927-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/728-4926-0x0000000000080000-0x00000000000C2000-memory.dmp

Filesize
264KB

Download
memory/2436-4902-0x00000000010F0000-0x0000000001166000-memory.dmp

Filesize
472KB

Download
memory/2436-4903-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-4905-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-4928-0x0000000008740000-0x0000000008982000-memory.dmp

Filesize
2.3MB

Download
memory/2436-9816-0x0000000005660000-0x00000000056DE000-memory.dmp

Filesize
504KB

Download
memory/2436-9815-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2436-9817-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-9832-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/3412-9849-0x0000000000DD0000-0x0000000000DDE000-memory.dmp

Filesize
56KB

Download
memory/3412-9843-0x0000000000A30000-0x0000000000A42000-memory.dmp

Filesize
72KB

Download
memory/3412-9836-0x0000000000540000-0x000000000055E000-memory.dmp

Filesize
120KB

Download
memory/3412-9840-0x00000000008A0000-0x00000000008B2000-memory.dmp

Filesize
72KB

Download
memory/3412-9842-0x0000000000A20000-0x0000000000A2E000-memory.dmp

Filesize
56KB

Download
memory/3412-9841-0x0000000000A00000-0x0000000000A1A000-memory.dmp

Filesize
104KB

Download
memory/3412-9833-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3412-9835-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/3412-9844-0x0000000000A60000-0x0000000000A6C000-memory.dmp

Filesize
48KB

Download
memory/3412-9845-0x0000000000C50000-0x0000000000C5E000-memory.dmp

Filesize
56KB

Download
memory/3412-9846-0x0000000000C60000-0x0000000000C74000-memory.dmp

Filesize
80KB

Download
memory/3412-9847-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download
memory/3412-9848-0x0000000000DC0000-0x0000000000DD4000-memory.dmp

Filesize
80KB

Download
memory/3412-9837-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/3412-9850-0x0000000004F50000-0x0000000004F7E000-memory.dmp

Filesize
184KB

Download
memory/3412-9851-0x0000000000E30000-0x0000000000E44000-memory.dmp

Filesize
80KB

Download