agenttesla | 2c6ab55eeb9c6860e323d83db778de04484ecca9e44766078985e8ed9e5fd42e

General

Target

INV.exe
Size

310KB
MD5

74af18caa94425fd150c9bc2b1b89771
SHA1

d324c1ea8218c2a65b89c47b0ba11b63acb464b0
SHA256

0689d5aa88eeabb27ebb29c4a50ce9d1d125e641484cc649ab1bf34327e611e5
SHA512

0d81e5216fd47ede4023996a82554e7592eb33c804a8d9407079482c5c0902d08cc4ae3cd3fb1ca019a1923c1213af594f63bd5f3b2aaa8ef46fc92dbe32d96d

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3548-143-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe	Powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

INV.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0rig40 = "C:\\Users\\Admin\\AppData\\Roaming\\0rig40\\0rig40.exe"	INV.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INV.exe

description pid process target process

PID 3524 set thread context of 3548 3524 INV.exe INV.exe

description	pid	process	target process
PID 3524 set thread context of 3548	3524	INV.exe	INV.exe

Drops file in Windows directory 1 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MusNotifyIcon.exe

description	ioc	process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Modifies data under HKEY_USERS 45 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4112"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.547599"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132889550105715192"	svchost.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

INV.exePowershell.exeINV.exe

pid process

3524 INV.exe
3524 INV.exe
2252 Powershell.exe
3548 INV.exe
3548 INV.exe
2252 Powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INV.exePowershell.exeINV.exe

description pid process

Token: SeDebugPrivilege 3524 INV.exe
Token: SeDebugPrivilege 2252 Powershell.exe
Token: SeDebugPrivilege 3548 INV.exe

pid	process
3524	INV.exe
3524	INV.exe
2252	Powershell.exe
3548	INV.exe
3548	INV.exe
2252	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	3524	INV.exe
Token: SeDebugPrivilege	2252	Powershell.exe
Token: SeDebugPrivilege	3548	INV.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

INV.exe

description	pid	process	target process
PID 3524 wrote to memory of 2252	3524	INV.exe	Powershell.exe
PID 3524 wrote to memory of 2252	3524	INV.exe	Powershell.exe
PID 3524 wrote to memory of 2252	3524	INV.exe	Powershell.exe
PID 3524 wrote to memory of 3724	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3724	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3724	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe
PID 3524 wrote to memory of 3548	3524	INV.exe	INV.exe

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3524

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\INV.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\I$s#$lT3ssl.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2252

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
2⤵
PID:3724

C:\Users\Admin\AppData\Local\Temp\INV.exe
"C:\Users\Admin\AppData\Local\Temp\INV.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3548

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:3612

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2252-147-0x00000000076A0000-0x0000000007706000-memory.dmp

Filesize
408KB

Download
memory/2252-148-0x0000000007840000-0x00000000078A6000-memory.dmp

Filesize
408KB

Download
memory/2252-142-0x0000000007000000-0x0000000007628000-memory.dmp

Filesize
6.2MB

Download
memory/2252-152-0x00000000082B0000-0x00000000082D2000-memory.dmp

Filesize
136KB

Download
memory/2252-151-0x0000000008310000-0x000000000832A000-memory.dmp

Filesize
104KB

Download
memory/2252-150-0x0000000008390000-0x0000000008426000-memory.dmp

Filesize
600KB

Download
memory/2252-138-0x00000000044F0000-0x0000000004526000-memory.dmp

Filesize
216KB

Download
memory/2252-140-0x00000000045B0000-0x00000000045B1000-memory.dmp

Filesize
4KB

Download
memory/2252-139-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/2252-141-0x00000000045B2000-0x00000000045B3000-memory.dmp

Filesize
4KB

Download
memory/2252-149-0x0000000007E20000-0x0000000007E3E000-memory.dmp

Filesize
120KB

Download
memory/2252-146-0x0000000006EA0000-0x0000000006EC2000-memory.dmp

Filesize
136KB

Download
memory/3524-133-0x0000000005210000-0x00000000057B4000-memory.dmp

Filesize
5.6MB

Download
memory/3524-134-0x00000000053D0000-0x0000000005462000-memory.dmp

Filesize
584KB

Download
memory/3524-130-0x00000000008E0000-0x0000000000934000-memory.dmp

Filesize
336KB

Download
memory/3524-131-0x00000000057C0000-0x0000000005D64000-memory.dmp

Filesize
5.6MB

Download
memory/3524-132-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download
memory/3524-135-0x0000000005470000-0x000000000550C000-memory.dmp

Filesize
624KB

Download
memory/3548-145-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/3548-143-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3548-144-0x0000000074B90000-0x0000000075340000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads