agenttesla | 18cd007045e6d4677d64b2ad12a44619271b4e9a97bb321521d8ce3a7594a764

General

Target

PEDIDO Nº 865.exe
Size

648KB
MD5

0034a67d2f8ca4f40c52ec3634805b34
SHA1

019eec77d77daa3c2db7413c581c70296ad36736
SHA256

0c92c000cf6c2379961f35355527b1886d053245d90a584d8d7191bcb6ebccb6
SHA512

7e253be95b6b3100cbeb78dfdbde939207ad839b8301bef893f04c5b12bd28ed7e162c3a2501b5d810e6de80b026ce7c979e17bd06ff0cd3491d9f0d9d488c87

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.infotaxis.tk
Port:
587
Username:
[email protected]
Password:
?.t$K*cdh)Gj

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/1684-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1684-72-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1684-73-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1684-74-0x0000000000446FBE-mapping.dmp	family_agenttesla
behavioral1/memory/1684-77-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1684-79-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

dhclient.exeInstallUtil.exe

pid process

2044 dhclient.exe
1684 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

PEDIDO Nº 865.exedhclient.exe

pid process

1496 PEDIDO Nº 865.exe
2044 dhclient.exe

pid	process
2044	dhclient.exe
1684	InstallUtil.exe

pid	process
1496	PEDIDO Nº 865.exe
2044	dhclient.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-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\dhclient = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\dhclient.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

dhclient.exe

description pid process target process

PID 2044 set thread context of 1684 2044 dhclient.exe InstallUtil.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:

PEDIDO Nº 865.exedhclient.exeInstallUtil.exe

pid process

1496 PEDIDO Nº 865.exe
1496 PEDIDO Nº 865.exe
2044 dhclient.exe
2044 dhclient.exe
2044 dhclient.exe
1684 InstallUtil.exe
1684 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PEDIDO Nº 865.exedhclient.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1496 PEDIDO Nº 865.exe
Token: SeDebugPrivilege 2044 dhclient.exe
Token: SeDebugPrivilege 1684 InstallUtil.exe

description	pid	process	target process
PID 2044 set thread context of 1684	2044	dhclient.exe	InstallUtil.exe

pid	process
1496	PEDIDO Nº 865.exe
1496	PEDIDO Nº 865.exe
2044	dhclient.exe
2044	dhclient.exe
2044	dhclient.exe
1684	InstallUtil.exe
1684	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1496	PEDIDO Nº 865.exe
Token: SeDebugPrivilege	2044	dhclient.exe
Token: SeDebugPrivilege	1684	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

PEDIDO Nº 865.execmd.exedhclient.exe

description	pid	process	target process
PID 1496 wrote to memory of 1236	1496	PEDIDO Nº 865.exe	cmd.exe
PID 1496 wrote to memory of 1236	1496	PEDIDO Nº 865.exe	cmd.exe
PID 1496 wrote to memory of 1236	1496	PEDIDO Nº 865.exe	cmd.exe
PID 1496 wrote to memory of 1236	1496	PEDIDO Nº 865.exe	cmd.exe
PID 1236 wrote to memory of 1956	1236	cmd.exe	reg.exe
PID 1236 wrote to memory of 1956	1236	cmd.exe	reg.exe
PID 1236 wrote to memory of 1956	1236	cmd.exe	reg.exe
PID 1236 wrote to memory of 1956	1236	cmd.exe	reg.exe
PID 1496 wrote to memory of 2044	1496	PEDIDO Nº 865.exe	dhclient.exe
PID 1496 wrote to memory of 2044	1496	PEDIDO Nº 865.exe	dhclient.exe
PID 1496 wrote to memory of 2044	1496	PEDIDO Nº 865.exe	dhclient.exe
PID 1496 wrote to memory of 2044	1496	PEDIDO Nº 865.exe	dhclient.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe
PID 2044 wrote to memory of 1684	2044	dhclient.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PEDIDO Nº 865.exe
"C:\Users\Admin\AppData\Local\Temp\PEDIDO Nº 865.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1496

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v dhclient /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v dhclient /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe"
3⤵
- Adds Run key to start application
PID:1956

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1684

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe
Filesize
648KB

MD5
0034a67d2f8ca4f40c52ec3634805b34

SHA1
019eec77d77daa3c2db7413c581c70296ad36736

SHA256
0c92c000cf6c2379961f35355527b1886d053245d90a584d8d7191bcb6ebccb6

SHA512
7e253be95b6b3100cbeb78dfdbde939207ad839b8301bef893f04c5b12bd28ed7e162c3a2501b5d810e6de80b026ce7c979e17bd06ff0cd3491d9f0d9d488c87

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe
Filesize
648KB

MD5
0034a67d2f8ca4f40c52ec3634805b34

SHA1
019eec77d77daa3c2db7413c581c70296ad36736

SHA256
0c92c000cf6c2379961f35355527b1886d053245d90a584d8d7191bcb6ebccb6

SHA512
7e253be95b6b3100cbeb78dfdbde939207ad839b8301bef893f04c5b12bd28ed7e162c3a2501b5d810e6de80b026ce7c979e17bd06ff0cd3491d9f0d9d488c87

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
Filesize
40KB

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\dhclient.exe
Filesize
648KB

MD5
0034a67d2f8ca4f40c52ec3634805b34

SHA1
019eec77d77daa3c2db7413c581c70296ad36736

SHA256
0c92c000cf6c2379961f35355527b1886d053245d90a584d8d7191bcb6ebccb6

SHA512
7e253be95b6b3100cbeb78dfdbde939207ad839b8301bef893f04c5b12bd28ed7e162c3a2501b5d810e6de80b026ce7c979e17bd06ff0cd3491d9f0d9d488c87

Download Submit
memory/1236-58-0x0000000000000000-mapping.dmp

Download
memory/1496-54-0x0000000001150000-0x00000000011F8000-memory.dmp

Filesize
672KB

Download
memory/1496-57-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/1496-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/1496-56-0x0000000000420000-0x000000000043C000-memory.dmp

Filesize
112KB

Download
memory/1684-79-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-77-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-72-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-73-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1684-74-0x0000000000446FBE-mapping.dmp

Download
memory/1956-59-0x0000000000000000-mapping.dmp

Download
memory/2044-64-0x0000000001250000-0x00000000012F8000-memory.dmp

Filesize
672KB

Download
memory/2044-61-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads