agenttesla | 4397420c0db71a117903ac5be006c050d5dbd3d2d3c2e574aa02ba5480ed955b

General

Target

pictures.scr
Size

637KB
MD5

0879e42f499d25bc6651cef6c74e2c42
SHA1

08c604275d3faafa8b6fed5a26399dc0010f8964
SHA256

ff556834b215cb5dc865342178c6e15e015cee26d4b601710c58264c5c76ba21
SHA512

b56b2daacca231c7c6fc9db0062d8a81fbb1524b0d9909d39af9be0a24bd484ac03ad5f00597846ae968c62547af04821b41d9eff9971fe09da646d8d1ad2ecc

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
bh-31.webhostbox.net
Port:
587
Username:
[email protected]
Password:
*JP9uoO%;M%Z

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1744-68-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1744-69-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1744-70-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1744-71-0x0000000000445D7E-mapping.dmp	family_agenttesla
behavioral1/memory/1744-74-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1744-76-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

computer.exeRegAsm.exe

pid process

1728 computer.exe
1744 RegAsm.exe
Loads dropped DLL 3 IoCs

Processes:

pictures.scrcomputer.exeRegAsm.exe

pid process

548 pictures.scr
1728 computer.exe
1744 RegAsm.exe

pid	process
1728	computer.exe
1744	RegAsm.exe

pid	process
548	pictures.scr
1728	computer.exe
1744	RegAsm.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-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\computer = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\computer.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

computer.exe

description pid process target process

PID 1728 set thread context of 1744 1728 computer.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

pictures.scrcomputer.exeRegAsm.exe

pid process

548 pictures.scr
548 pictures.scr
1728 computer.exe
1728 computer.exe
1728 computer.exe
1744 RegAsm.exe
1744 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pictures.scrcomputer.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 548 pictures.scr
Token: SeDebugPrivilege 1728 computer.exe
Token: SeDebugPrivilege 1744 RegAsm.exe

description	pid	process	target process
PID 1728 set thread context of 1744	1728	computer.exe	RegAsm.exe

pid	process
548	pictures.scr
548	pictures.scr
1728	computer.exe
1728	computer.exe
1728	computer.exe
1744	RegAsm.exe
1744	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	548	pictures.scr
Token: SeDebugPrivilege	1728	computer.exe
Token: SeDebugPrivilege	1744	RegAsm.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

pictures.scrcmd.execomputer.exe

description	pid	process	target process
PID 548 wrote to memory of 2040	548	pictures.scr	cmd.exe
PID 548 wrote to memory of 2040	548	pictures.scr	cmd.exe
PID 548 wrote to memory of 2040	548	pictures.scr	cmd.exe
PID 548 wrote to memory of 2040	548	pictures.scr	cmd.exe
PID 2040 wrote to memory of 952	2040	cmd.exe	reg.exe
PID 2040 wrote to memory of 952	2040	cmd.exe	reg.exe
PID 2040 wrote to memory of 952	2040	cmd.exe	reg.exe
PID 2040 wrote to memory of 952	2040	cmd.exe	reg.exe
PID 548 wrote to memory of 1728	548	pictures.scr	computer.exe
PID 548 wrote to memory of 1728	548	pictures.scr	computer.exe
PID 548 wrote to memory of 1728	548	pictures.scr	computer.exe
PID 548 wrote to memory of 1728	548	pictures.scr	computer.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe
PID 1728 wrote to memory of 1744	1728	computer.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\pictures.scr
"C:\Users\Admin\AppData\Local\Temp\pictures.scr" /S
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v computer /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\computer.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v computer /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\computer.exe"
3⤵
- Adds Run key to start application
PID:952

C:\Users\Admin\AppData\Roaming\computer.exe
"C:\Users\Admin\AppData\Roaming\computer.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1728

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1744

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Roaming\computer.exe
Filesize
637KB

MD5
0879e42f499d25bc6651cef6c74e2c42

SHA1
08c604275d3faafa8b6fed5a26399dc0010f8964

SHA256
ff556834b215cb5dc865342178c6e15e015cee26d4b601710c58264c5c76ba21

SHA512
b56b2daacca231c7c6fc9db0062d8a81fbb1524b0d9909d39af9be0a24bd484ac03ad5f00597846ae968c62547af04821b41d9eff9971fe09da646d8d1ad2ecc

Download Submit
C:\Users\Admin\AppData\Roaming\computer.exe
Filesize
637KB

MD5
0879e42f499d25bc6651cef6c74e2c42

SHA1
08c604275d3faafa8b6fed5a26399dc0010f8964

SHA256
ff556834b215cb5dc865342178c6e15e015cee26d4b601710c58264c5c76ba21

SHA512
b56b2daacca231c7c6fc9db0062d8a81fbb1524b0d9909d39af9be0a24bd484ac03ad5f00597846ae968c62547af04821b41d9eff9971fe09da646d8d1ad2ecc

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe
Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Roaming\computer.exe
Filesize
637KB

MD5
0879e42f499d25bc6651cef6c74e2c42

SHA1
08c604275d3faafa8b6fed5a26399dc0010f8964

SHA256
ff556834b215cb5dc865342178c6e15e015cee26d4b601710c58264c5c76ba21

SHA512
b56b2daacca231c7c6fc9db0062d8a81fbb1524b0d9909d39af9be0a24bd484ac03ad5f00597846ae968c62547af04821b41d9eff9971fe09da646d8d1ad2ecc

Download Submit
memory/548-55-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/548-54-0x00000000011B0000-0x0000000001256000-memory.dmp

Filesize
664KB

Download
memory/952-57-0x0000000000000000-mapping.dmp

Download
memory/1728-59-0x0000000000000000-mapping.dmp

Download
memory/1728-62-0x00000000003E0000-0x0000000000486000-memory.dmp

Filesize
664KB

Download
memory/1744-65-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-66-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-68-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-69-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-70-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-71-0x0000000000445D7E-mapping.dmp

Download
memory/1744-74-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-76-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1744-77-0x0000000075D21000-0x0000000075D23000-memory.dmp

Filesize
8KB

Download
memory/2040-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads