agenttesla | b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8

General

Target

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe
Size

607KB
MD5

7831435dbf79df5631126a63a722cf35
SHA1

2380acbc54642882a4a3ebaa0a892eda4ea50b96
SHA256

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8
SHA512

355396d92d844bc72998588bb97b61379b7799ca3b8cb1a8101ed09fc83c2999b7c6f7a820272efe860f2cf22aaf27f62320e543b7afece79df9e8e3e4c7d070
SSDEEP

12288:U0p92TpQ1USCgfrSAOsWmjWh/DEzliFDwKM7Z0l8i7ZPcflAAky+:/P8plSf2AOuGDbFDzM0q4Zkfqfy+

Score

10^/10

agenttesla evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6521856051:AAE_VqJACYh8GJnmBCYkrp8n7Ax0fW5fJ5s/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1684 powershell.exe

pid	process
1684	powershell.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

description	pid	process	target process
PID 2080 set thread context of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeCasPol.exe

pid process

1684 powershell.exe
2264 CasPol.exe
2264 CasPol.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeCasPol.exe

description pid process

Token: SeDebugPrivilege 1684 powershell.exe
Token: SeDebugPrivilege 2264 CasPol.exe

pid	process
1684	powershell.exe
2264	CasPol.exe
2264	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	1684	powershell.exe
Token: SeDebugPrivilege	2264	CasPol.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

description	pid	process	target process
PID 2080 wrote to memory of 1684	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	powershell.exe
PID 2080 wrote to memory of 1684	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	powershell.exe
PID 2080 wrote to memory of 1684	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	powershell.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2264	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	CasPol.exe
PID 2080 wrote to memory of 2504	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	WerFault.exe
PID 2080 wrote to memory of 2504	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	WerFault.exe
PID 2080 wrote to memory of 2504	2080	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe	WerFault.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe

C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe
"C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2080

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b4c52779d09ea4edabef9ef75c2756cdd9a1fc0c10564ea7cd153ca223d0a9d8.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2264

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2080 -s 684
2⤵
PID:2504

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1684-9-0x00000000028E0000-0x0000000002960000-memory.dmp

Filesize
512KB

Download
memory/1684-10-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

Filesize
2.9MB

Download
memory/1684-11-0x0000000002780000-0x0000000002788000-memory.dmp

Filesize
32KB

Download
memory/2080-24-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2080-1-0x0000000000FA0000-0x0000000000FAC000-memory.dmp

Filesize
48KB

Download
memory/2080-2-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2080-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2080-4-0x0000000000CC0000-0x0000000000D54000-memory.dmp

Filesize
592KB

Download
memory/2080-0-0x000007FEF56E3000-0x000007FEF56E4000-memory.dmp

Filesize
4KB

Download
memory/2080-25-0x000007FEF56E0000-0x000007FEF60CC000-memory.dmp

Filesize
9.9MB

Download
memory/2264-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2264-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads