agenttesla | 04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792ee

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 22:39

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General

Target

04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
Size

899KB
MD5

8d80b50434837e65e168d93367f9ba00
SHA1

16289658e9e4eaec2ae27aa888859b7d36c18ca5
SHA256

04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792ee
SHA512

a37cd036b6e23b2f4b72682d7685fbeb7427f9e05f5dc1d485c8e8ef8ff775a8e0f2c039ca874dfc7f7110bd39fb8047ffbd464efbe9ef4fbf7757ceb768f4f6
SSDEEP

6144:bBPYE9q5Ku+qKY1WNB27jSlpwT/IldNfVfN52N2GUzSlax/dyZ8sscH6iRuq:aE9qouiYK8jSlpeEt5BGRlE/dyZ8LM

Score

10^/10

agenttesla agilenet collection credential_access defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2792-29-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2792-27-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2792-32-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2792-34-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2792-35-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla

System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

Abuse InstallUtil to proxy execution of malicious code.

defense_evasion

InstallUtil

T1218.004

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
Key opened	\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\InstallUtil.exe	osgh.exe

Executes dropped EXE 2 IoCs

pid	Process
2780	osgh.exe
2792	InstallUtil.exe

Loads dropped DLL 2 IoCs

pid	Process
2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
2780	osgh.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral1/memory/2168-2-0x0000000000310000-0x0000000000324000-memory.dmp	agile_net

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\hmsi = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\osgh.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\57QwA12 = "C:\\Users\\Admin\\AppData\\Roaming\\57QwA12\\57QwA12.exe"	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2792	2780	osgh.exe	35

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	osgh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
2780	osgh.exe
2792	InstallUtil.exe
2792	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
Token: SeDebugPrivilege	2780	osgh.exe
Token: SeDebugPrivilege	2792	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2792	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2764	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	31
PID 2168 wrote to memory of 2764	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	31
PID 2168 wrote to memory of 2764	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	31
PID 2168 wrote to memory of 2764	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	31
PID 2764 wrote to memory of 3064	2764	cmd.exe	33
PID 2764 wrote to memory of 3064	2764	cmd.exe	33
PID 2764 wrote to memory of 3064	2764	cmd.exe	33
PID 2764 wrote to memory of 3064	2764	cmd.exe	33
PID 2168 wrote to memory of 2780	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	34
PID 2168 wrote to memory of 2780	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	34
PID 2168 wrote to memory of 2780	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	34
PID 2168 wrote to memory of 2780	2168	04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe	34
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35
PID 2780 wrote to memory of 2792	2780	osgh.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe
"C:\Users\Admin\AppData\Local\Temp\04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792eeN.exe"
1⤵
- System Binary Proxy Execution: InstallUtil
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hmsi /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\osgh.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v hmsi /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\osgh.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:3064
- C:\Users\Admin\osgh.exe
  "C:\Users\Admin\osgh.exe"
  2⤵
  - System Binary Proxy Execution: InstallUtil
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Binary Proxy Execution

T1218

InstallUtil

T1218.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\osgh.exe

Filesize
899KB

MD5
8d80b50434837e65e168d93367f9ba00

SHA1
16289658e9e4eaec2ae27aa888859b7d36c18ca5

SHA256
04ad8b8b03096c4a0fc0bdf38fea6e0cd7aae5caa09bc0889ce2ea545d3792ee

SHA512
a37cd036b6e23b2f4b72682d7685fbeb7427f9e05f5dc1d485c8e8ef8ff775a8e0f2c039ca874dfc7f7110bd39fb8047ffbd464efbe9ef4fbf7757ceb768f4f6

Download Submit
memory/2168-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2168-1-0x00000000003E0000-0x00000000004C8000-memory.dmp

Filesize
928KB

Download
memory/2168-2-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2168-3-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-4-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/2168-5-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-7-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-8-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2168-17-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-19-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-16-0x0000000000E20000-0x0000000000F08000-memory.dmp

Filesize
928KB

Download
memory/2780-20-0x0000000000590000-0x000000000059C000-memory.dmp

Filesize
48KB

Download
memory/2780-18-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-36-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-23-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-29-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-27-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-25-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-32-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-34-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2792-35-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download