agenttesla | 5695a75d96e56497ab5f7175d5c1da59a4565df668cb89db774eefbb5bfb6cf5

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05-09-2023 01:34

230905-by5lrsch46 10

Analysis

max time kernel
119s
max time network
130s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 01:20

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General

Target

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
Size

648KB
MD5

904d9a8a5b31139b3c895ef48806c646
SHA1

23305c7323f220e8eb6b87f12244ca9419fda48f
SHA256

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0
SHA512

71dbc2495b7b3e4e724340059b8cc8a74d3fde9a4367b008f74e3f63a987c34d61feeb8a4daf007712981fbf72d6f0268a4e9622e3cf87a89c3487669e415bda
SSDEEP

12288:F97C0hXzJP7k4LycnkzaWkHKlABWD35LRl6/Vu9V:F9mSjK4yhoqOWb5Vl6/VuT

Score

10^/10

agenttesla collection execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.taxrefunds.co.za
Port:
587
Username:
[email protected]
Password:
0p76577n46
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

2996 powershell.exe
2584 powershell.exe

pid	process
2996	powershell.exe
2584	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\eqGrE = "C:\\Users\\Admin\\AppData\\Roaming\\eqGrE\\eqGrE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

description	pid	process	target process
PID 1680 set thread context of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2524 schtasks.exe

pid	process
2524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
2588	RegSvcs.exe
2588	RegSvcs.exe
2584	powershell.exe
2996	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
Token: SeDebugPrivilege	2588	RegSvcs.exe
Token: SeDebugPrivilege	2584	powershell.exe
Token: SeDebugPrivilege	2996	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe

description	pid	process	target process
PID 1680 wrote to memory of 2996	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2996	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2996	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2996	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2584	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2584	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2584	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2584	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	powershell.exe
PID 1680 wrote to memory of 2524	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 1680 wrote to memory of 2524	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 1680 wrote to memory of 2524	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 1680 wrote to memory of 2524	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	schtasks.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe
PID 1680 wrote to memory of 2588	1680	e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\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-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe
"C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e5370d47a36c3b7af18e4c8e1adb4a08f18bf9ee424f821ccfd585dfb7c111e0.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YxTQbd.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YxTQbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF48.tmp"
2⤵
- Creates scheduled task(s)
PID:2524

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2588

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDF48.tmp
Filesize
1KB

MD5
6ee9a4894bae06bbab41bcb1b524d471

SHA1
1d760750a9c2c6d596ffed29dfaadf9e3d992ba8

SHA256
c6e13f06a369177ab41c563d094d338aed87aad4323f9f4caf57f82b8c631511

SHA512
636f48e2fc1f86b1f3e9a6db903e99592f0078f056b3f765c2e9bb516f433fd5b425924c1b1542b47feb0eccc5c78f13e56c794b2912e47362335e4232fadac3

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\N7O9MPNXF1K6PC7BB8DE.temp
Filesize
7KB

MD5
2dd29ee64c11a0c5597b93381961930e

SHA1
2f55c3258590548801e682fadcbd330763b7fdc5

SHA256
3f7ed67e08601af70023fa4ea2331ef0ff9f9441cb24cbcdd0d32a177deebe68

SHA512
06ae01aff0bb29759a1b19d43c40bec669d996a8c407239cd5e826bf40a526746871404923ee6fb0d3394b8871267392eb28c4db1114cb47805a4944f979227e

Download Submit
memory/1680-4-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/1680-3-0x0000000000530000-0x0000000000544000-memory.dmp

Filesize
80KB

Download
memory/1680-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/1680-5-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-6-0x0000000000660000-0x000000000066E000-memory.dmp

Filesize
56KB

Download
memory/1680-7-0x0000000005E90000-0x0000000005F0C000-memory.dmp

Filesize
496KB

Download
memory/1680-2-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-1-0x00000000003E0000-0x0000000000488000-memory.dmp

Filesize
672KB

Download
memory/1680-33-0x0000000074500000-0x0000000074BEE000-memory.dmp

Filesize
6.9MB

Download
memory/2588-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2588-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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