agenttesla | 8f560b247ad96f57de4e2f6da3d99af31a7ac8478e560c6fbfaa1d3615e65575

General

Target

Dekont.exe
Size

771KB
MD5

e6e0c9a9a19145589f731d7380544b97
SHA1

16c015e77df27881bfd08e50a2e1257ddbec8503
SHA256

8f560b247ad96f57de4e2f6da3d99af31a7ac8478e560c6fbfaa1d3615e65575
SHA512

07ce4fd45b62a2a2fc07527c16b869fe86ab0c5081cbae77a79301d368b456a6607880d3a6d28adbc74f2a5c5f2c4f263eeb87f84e65e220c934d82fb952b31a

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.decoplanet.net
Port:
587
Username:
[email protected]
Password:
ayla1939

Signatures

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

AgentTesla Payload 7 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\application.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\application.exe	family_agenttesla
C:\Users\Admin\AppData\Roaming\application.exe	family_agenttesla
behavioral1/memory/1916-17-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1916-18-0x0000000000446EBE-mapping.dmp	family_agenttesla
behavioral1/memory/1916-20-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1916-22-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

application.exeInstallUtil.exe

pid process

1796 application.exe
1916 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

Dekont.exeapplication.exe

pid process

616 Dekont.exe
1796 application.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1796	application.exe
1916	InstallUtil.exe

pid	process
616	Dekont.exe
1796	application.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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\application = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\application.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

application.exe

description pid process target process

PID 1796 set thread context of 1916 1796 application.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 8 IoCs

Processes:

Dekont.exeapplication.exeInstallUtil.exe

pid process

616 Dekont.exe
616 Dekont.exe
616 Dekont.exe
1796 application.exe
1796 application.exe
1796 application.exe
1916 InstallUtil.exe
1916 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Dekont.exeapplication.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 616 Dekont.exe
Token: SeDebugPrivilege 1796 application.exe
Token: SeDebugPrivilege 1916 InstallUtil.exe

description	pid	process	target process
PID 1796 set thread context of 1916	1796	application.exe	InstallUtil.exe

pid	process
616	Dekont.exe
616	Dekont.exe
616	Dekont.exe
1796	application.exe
1796	application.exe
1796	application.exe
1916	InstallUtil.exe
1916	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	616	Dekont.exe
Token: SeDebugPrivilege	1796	application.exe
Token: SeDebugPrivilege	1916	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

Dekont.execmd.exeapplication.exe

description	pid	process	target process
PID 616 wrote to memory of 748	616	Dekont.exe	cmd.exe
PID 616 wrote to memory of 748	616	Dekont.exe	cmd.exe
PID 616 wrote to memory of 748	616	Dekont.exe	cmd.exe
PID 616 wrote to memory of 748	616	Dekont.exe	cmd.exe
PID 748 wrote to memory of 1644	748	cmd.exe	reg.exe
PID 748 wrote to memory of 1644	748	cmd.exe	reg.exe
PID 748 wrote to memory of 1644	748	cmd.exe	reg.exe
PID 748 wrote to memory of 1644	748	cmd.exe	reg.exe
PID 616 wrote to memory of 1796	616	Dekont.exe	application.exe
PID 616 wrote to memory of 1796	616	Dekont.exe	application.exe
PID 616 wrote to memory of 1796	616	Dekont.exe	application.exe
PID 616 wrote to memory of 1796	616	Dekont.exe	application.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe
PID 1796 wrote to memory of 1916	1796	application.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Dekont.exe
"C:\Users\Admin\AppData\Local\Temp\Dekont.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:616

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:748

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v application /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\application.exe"
3⤵
- Adds Run key to start application
PID:1644

C:\Users\Admin\AppData\Roaming\application.exe
"C:\Users\Admin\AppData\Roaming\application.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796

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:1916

Network

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

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

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\application.exe

MD5
e6e0c9a9a19145589f731d7380544b97

SHA1
16c015e77df27881bfd08e50a2e1257ddbec8503

SHA256
8f560b247ad96f57de4e2f6da3d99af31a7ac8478e560c6fbfaa1d3615e65575

SHA512
07ce4fd45b62a2a2fc07527c16b869fe86ab0c5081cbae77a79301d368b456a6607880d3a6d28adbc74f2a5c5f2c4f263eeb87f84e65e220c934d82fb952b31a

Download Submit
C:\Users\Admin\AppData\Roaming\application.exe

MD5
e6e0c9a9a19145589f731d7380544b97

SHA1
16c015e77df27881bfd08e50a2e1257ddbec8503

SHA256
8f560b247ad96f57de4e2f6da3d99af31a7ac8478e560c6fbfaa1d3615e65575

SHA512
07ce4fd45b62a2a2fc07527c16b869fe86ab0c5081cbae77a79301d368b456a6607880d3a6d28adbc74f2a5c5f2c4f263eeb87f84e65e220c934d82fb952b31a

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\application.exe

MD5
e6e0c9a9a19145589f731d7380544b97

SHA1
16c015e77df27881bfd08e50a2e1257ddbec8503

SHA256
8f560b247ad96f57de4e2f6da3d99af31a7ac8478e560c6fbfaa1d3615e65575

SHA512
07ce4fd45b62a2a2fc07527c16b869fe86ab0c5081cbae77a79301d368b456a6607880d3a6d28adbc74f2a5c5f2c4f263eeb87f84e65e220c934d82fb952b31a

Download Submit
memory/616-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/748-4-0x0000000000000000-mapping.dmp

Download
memory/1644-5-0x0000000000000000-mapping.dmp

Download
memory/1796-7-0x0000000000000000-mapping.dmp

Download
memory/1916-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1916-18-0x0000000000446EBE-mapping.dmp

Download
memory/1916-20-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1916-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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