agenttesla | 2116630a84b913da34b2f2cb2a5d7f357a9c95c648d2ceeb582c6728e2fca9dc

General

Target

PO.exe
Size

679KB
MD5

bf42f566819d80dce55fc66e6e43583f
SHA1

277582491f24bbf73518393fee10ba110c9bf79c
SHA256

2116630a84b913da34b2f2cb2a5d7f357a9c95c648d2ceeb582c6728e2fca9dc
SHA512

2a8be3a45d6e9efb14309282ec45419f3c767ae4a5d4854ab7fe7e988f5667e95852875a23a318a0acf2591436d8248139857148e9b544b7f6d91476570fb8fe

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.napred.net
Port:
587
Username:
k.jovanovic@napred.net
Password:
Katarina85219!

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
C:\Users\Admin\Desktop\apllication.exe	family_agenttesla
C:\Users\Admin\Desktop\apllication.exe	family_agenttesla
behavioral1/memory/1148-14-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1148-15-0x000000000044A4FE-mapping.dmp	family_agenttesla
behavioral1/memory/1148-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1148-18-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

apllication.exeAddInProcess32.exe

pid process

1900 apllication.exe
1148 AddInProcess32.exe
Loads dropped DLL 1 IoCs

Processes:

apllication.exe

pid process

1900 apllication.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
1900	apllication.exe
1148	AddInProcess32.exe

pid	process
1900	apllication.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
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\\Desktop\\apllication.exe"	reg.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

apllication.exe

description pid process target process

PID 1900 set thread context of 1148 1900 apllication.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

PO.exeapllication.exeAddInProcess32.exe

pid process

740 PO.exe
740 PO.exe
740 PO.exe
1900 apllication.exe
1900 apllication.exe
1900 apllication.exe
1148 AddInProcess32.exe
1148 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PO.exeapllication.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 740 PO.exe
Token: SeDebugPrivilege 1900 apllication.exe
Token: SeDebugPrivilege 1148 AddInProcess32.exe

description	pid	process	target process
PID 1900 set thread context of 1148	1900	apllication.exe	AddInProcess32.exe

pid	process
740	PO.exe
740	PO.exe
740	PO.exe
1900	apllication.exe
1900	apllication.exe
1900	apllication.exe
1148	AddInProcess32.exe
1148	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	740	PO.exe
Token: SeDebugPrivilege	1900	apllication.exe
Token: SeDebugPrivilege	1148	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PO.execmd.exeapllication.exe

description	pid	process	target process
PID 740 wrote to memory of 1060	740	PO.exe	cmd.exe
PID 740 wrote to memory of 1060	740	PO.exe	cmd.exe
PID 740 wrote to memory of 1060	740	PO.exe	cmd.exe
PID 740 wrote to memory of 1060	740	PO.exe	cmd.exe
PID 1060 wrote to memory of 1716	1060	cmd.exe	reg.exe
PID 1060 wrote to memory of 1716	1060	cmd.exe	reg.exe
PID 1060 wrote to memory of 1716	1060	cmd.exe	reg.exe
PID 1060 wrote to memory of 1716	1060	cmd.exe	reg.exe
PID 740 wrote to memory of 1900	740	PO.exe	apllication.exe
PID 740 wrote to memory of 1900	740	PO.exe	apllication.exe
PID 740 wrote to memory of 1900	740	PO.exe	apllication.exe
PID 740 wrote to memory of 1900	740	PO.exe	apllication.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe
PID 1900 wrote to memory of 1148	1900	apllication.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\PO.exe
"C:\Users\Admin\AppData\Local\Temp\PO.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:740

C:\Windows\SysWOW64\cmd.exe
"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\Desktop\apllication.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1060

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\Desktop\apllication.exe"
3⤵
- Adds Run key to start application
PID:1716

C:\Users\Admin\Desktop\apllication.exe
"C:\Users\Admin\Desktop\apllication.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1148

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\Desktop\apllication.exe
MD5
bf42f566819d80dce55fc66e6e43583f

SHA1
277582491f24bbf73518393fee10ba110c9bf79c

SHA256
2116630a84b913da34b2f2cb2a5d7f357a9c95c648d2ceeb582c6728e2fca9dc

SHA512
2a8be3a45d6e9efb14309282ec45419f3c767ae4a5d4854ab7fe7e988f5667e95852875a23a318a0acf2591436d8248139857148e9b544b7f6d91476570fb8fe

Download Submit
C:\Users\Admin\Desktop\apllication.exe
MD5
bf42f566819d80dce55fc66e6e43583f

SHA1
277582491f24bbf73518393fee10ba110c9bf79c

SHA256
2116630a84b913da34b2f2cb2a5d7f357a9c95c648d2ceeb582c6728e2fca9dc

SHA512
2a8be3a45d6e9efb14309282ec45419f3c767ae4a5d4854ab7fe7e988f5667e95852875a23a318a0acf2591436d8248139857148e9b544b7f6d91476570fb8fe

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/740-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1060-3-0x0000000000000000-mapping.dmp

Download
memory/1148-15-0x000000000044A4FE-mapping.dmp

Download
memory/1148-14-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1148-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1148-18-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1716-4-0x0000000000000000-mapping.dmp

Download
memory/1900-6-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads