agenttesla | 3da13730415f09c07260e029a2e36f2a9c92d9f85f86d0c2879659f28e2cf83a

General

Target

Docu_001220778003833_20102021.exe
Size

831KB
MD5

a1f4d1ffb6dbcc768b27f7b9fc8ab0bc
SHA1

843988c2715972c709d61afb101efd11f00be8ef
SHA256

3da13730415f09c07260e029a2e36f2a9c92d9f85f86d0c2879659f28e2cf83a
SHA512

4dd2cfd06accb0c4f49425304950baf79cea33d76fc8831cfa20c76a0e8cfd1a89ac623d6f3e13a146778fb8be516aa3425abfb760b544244f4af8e338afafb1

Score

10^/10

agenttesla agilenet collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.acpl.net.in
Port:
587
Username:
qcesd@acpl.net.in
Password:
Hi~M)?*G~-Zd

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1724-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1724-68-0x00000000004375BE-mapping.dmp	family_agenttesla
behavioral1/memory/1724-71-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

InstallUtil.exe

pid process

1724 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

Docu_001220778003833_20102021.exe

pid process

1156 Docu_001220778003833_20102021.exe

pid	process
1724	InstallUtil.exe

pid	process
1156	Docu_001220778003833_20102021.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1156-58-0x0000000000700000-0x0000000000721000-memory.dmp	agile_net

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Docu_001220778003833_20102021.exe

description pid process target process

PID 1156 set thread context of 1724 1156 Docu_001220778003833_20102021.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Docu_001220778003833_20102021.exeInstallUtil.exe

pid process

1156 Docu_001220778003833_20102021.exe
1156 Docu_001220778003833_20102021.exe
1724 InstallUtil.exe
1724 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Docu_001220778003833_20102021.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1156 Docu_001220778003833_20102021.exe
Token: SeDebugPrivilege 1724 InstallUtil.exe

description	pid	process	target process
PID 1156 set thread context of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe

pid	process
1156	Docu_001220778003833_20102021.exe
1156	Docu_001220778003833_20102021.exe
1724	InstallUtil.exe
1724	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1156	Docu_001220778003833_20102021.exe
Token: SeDebugPrivilege	1724	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Docu_001220778003833_20102021.exe

description	pid	process	target process
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe
PID 1156 wrote to memory of 1724	1156	Docu_001220778003833_20102021.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Docu_001220778003833_20102021.exe
"C:\Users\Admin\AppData\Local\Temp\Docu_001220778003833_20102021.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1156

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

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
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/1156-57-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/1156-58-0x0000000000700000-0x0000000000721000-memory.dmp

Filesize
132KB

Download
memory/1156-59-0x0000000004AD1000-0x0000000004AD2000-memory.dmp

Filesize
4KB

Download
memory/1156-60-0x0000000000DD0000-0x0000000000DDB000-memory.dmp

Filesize
44KB

Download
memory/1156-61-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1156-55-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/1724-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-68-0x00000000004375BE-mapping.dmp

Download
memory/1724-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1724-73-0x0000000004B30000-0x0000000004B31000-memory.dmp

Filesize
4KB

Download
memory/1724-74-0x0000000004B31000-0x0000000004B32000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads