agenttesla | 291694865cd38c0e9b5a2700f1f4a401e263ff9ec402691bf83710b8e5f819b1

General

Target

bbcrypted.exe
Size

724KB
MD5

0bdce81070764a570057b6381f91c225
SHA1

258b9e1189aa620632803aa1ede6cec3c0d7490b
SHA256

fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a
SHA512

3dc23b61bc6044b99c0438d80aec8697073198731c59762b6e640b9283bd3c21ce9b25e356c4cf263f497ecca573f3d78bac3d56ff6402fb3640212474659866

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1464-150-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

InstallUtil.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts InstallUtil.exe
Executes dropped EXE 1 IoCs

Processes:

appLaunch.exe

pid process

1224 appLaunch.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	InstallUtil.exe

pid	process
1224	appLaunch.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\appLaunch = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\appLaunch.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

appLaunch.exe

description pid process target process

PID 1224 set thread context of 1464 1224 appLaunch.exe InstallUtil.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3364 REG.exe

description	pid	process	target process
PID 1224 set thread context of 1464	1224	appLaunch.exe	InstallUtil.exe

pid	process
3364	REG.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

bbcrypted.exepowershell.exeappLaunch.exeInstallUtil.exe

pid	process
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
844	bbcrypted.exe
764	powershell.exe
764	powershell.exe
1224	appLaunch.exe
1224	appLaunch.exe
1224	appLaunch.exe
1464	InstallUtil.exe
1464	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

bbcrypted.exepowershell.exeappLaunch.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	844	bbcrypted.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeDebugPrivilege	1224	appLaunch.exe
Token: SeDebugPrivilege	1464	InstallUtil.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

bbcrypted.execmd.exepowershell.exeappLaunch.exeInstallUtil.exe

description	pid	process	target process
PID 844 wrote to memory of 3564	844	bbcrypted.exe	cmd.exe
PID 844 wrote to memory of 3564	844	bbcrypted.exe	cmd.exe
PID 844 wrote to memory of 3564	844	bbcrypted.exe	cmd.exe
PID 3564 wrote to memory of 1480	3564	cmd.exe	reg.exe
PID 3564 wrote to memory of 1480	3564	cmd.exe	reg.exe
PID 3564 wrote to memory of 1480	3564	cmd.exe	reg.exe
PID 844 wrote to memory of 764	844	bbcrypted.exe	powershell.exe
PID 844 wrote to memory of 764	844	bbcrypted.exe	powershell.exe
PID 844 wrote to memory of 764	844	bbcrypted.exe	powershell.exe
PID 764 wrote to memory of 1224	764	powershell.exe	appLaunch.exe
PID 764 wrote to memory of 1224	764	powershell.exe	appLaunch.exe
PID 764 wrote to memory of 1224	764	powershell.exe	appLaunch.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1224 wrote to memory of 1464	1224	appLaunch.exe	InstallUtil.exe
PID 1464 wrote to memory of 3364	1464	InstallUtil.exe	REG.exe
PID 1464 wrote to memory of 3364	1464	InstallUtil.exe	REG.exe
PID 1464 wrote to memory of 3364	1464	InstallUtil.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\bbcrypted.exe
"C:\Users\Admin\AppData\Local\Temp\bbcrypted.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:844

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v appLaunch /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\appLaunch.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3564

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v appLaunch /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\appLaunch.exe"
3⤵
- Adds Run key to start application
PID:1480

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Roaming\appLaunch.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:764

C:\Users\Admin\AppData\Roaming\appLaunch.exe
"C:\Users\Admin\AppData\Roaming\appLaunch.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
4⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer /v NoRun /t REG_DWORD /d 1 /f
5⤵
- Modifies registry key
PID:3364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\appLaunch.exe
Filesize
724KB

MD5
0bdce81070764a570057b6381f91c225

SHA1
258b9e1189aa620632803aa1ede6cec3c0d7490b

SHA256
fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a

SHA512
3dc23b61bc6044b99c0438d80aec8697073198731c59762b6e640b9283bd3c21ce9b25e356c4cf263f497ecca573f3d78bac3d56ff6402fb3640212474659866

Download Submit
C:\Users\Admin\AppData\Roaming\appLaunch.exe
Filesize
724KB

MD5
0bdce81070764a570057b6381f91c225

SHA1
258b9e1189aa620632803aa1ede6cec3c0d7490b

SHA256
fda9cdc6d189a4f40199d09a2cd49522189e9494d6a7a3dc0d5bdd5faddb355a

SHA512
3dc23b61bc6044b99c0438d80aec8697073198731c59762b6e640b9283bd3c21ce9b25e356c4cf263f497ecca573f3d78bac3d56ff6402fb3640212474659866

Download Submit
memory/764-145-0x0000000006DC0000-0x0000000006DE2000-memory.dmp

Filesize
136KB

Download
memory/764-143-0x0000000007860000-0x00000000078F6000-memory.dmp

Filesize
600KB

Download
memory/764-144-0x0000000006D70000-0x0000000006D8A000-memory.dmp

Filesize
104KB

Download
memory/764-142-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/764-136-0x0000000000000000-mapping.dmp

Download
memory/764-137-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download
memory/764-138-0x0000000005AA0000-0x00000000060C8000-memory.dmp

Filesize
6.2MB

Download
memory/764-139-0x0000000005870000-0x0000000005892000-memory.dmp

Filesize
136KB

Download
memory/764-140-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/764-141-0x00000000061B0000-0x0000000006216000-memory.dmp

Filesize
408KB

Download
memory/844-133-0x0000000006200000-0x0000000006244000-memory.dmp

Filesize
272KB

Download
memory/844-130-0x0000000000A20000-0x0000000000ADC000-memory.dmp

Filesize
752KB

Download
memory/844-132-0x0000000005DE0000-0x0000000005E72000-memory.dmp

Filesize
584KB

Download
memory/844-131-0x00000000062B0000-0x0000000006854000-memory.dmp

Filesize
5.6MB

Download
memory/1224-147-0x0000000000000000-mapping.dmp

Download
memory/1464-149-0x0000000000000000-mapping.dmp

Download
memory/1464-150-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1464-151-0x0000000005950000-0x00000000059EC000-memory.dmp

Filesize
624KB

Download
memory/1480-135-0x0000000000000000-mapping.dmp

Download
memory/3364-152-0x0000000000000000-mapping.dmp

Download
memory/3564-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads