agenttesla | 191c3798be77e205711c854c27a25152dcc6185858f95e404ad71fd34c7214ef

General

Target

PO_10032885_Mahler-Besse_2_16_2020_1207.xls.xlsm
Size

137KB
MD5

2cb0d10d142dcee0d4f941ee11492746
SHA1

ecaf75e4135bb8f585ce31249d3284871dc4d042
SHA256

191c3798be77e205711c854c27a25152dcc6185858f95e404ad71fd34c7214ef
SHA512

9299a052bf6a32c2bc1edc91a14d38b9b80dcb78596a1190db1175ab8738d2f55b6879f127129d758e0ec9ce7879717f0fab59a87fa70b10f3c4948408a1c7c1

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

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
C:\Users\Public\svchost32.exe	family_agenttesla
C:\Users\Public\svchost32.exe	family_agenttesla
behavioral1/memory/1920-13-0x0000000000454FAE-mapping.dmp	family_agenttesla
behavioral1/memory/1920-15-0x0000000000080000-0x00000000000DA000-memory.dmp	family_agenttesla
behavioral1/memory/1920-16-0x0000000000080000-0x00000000000DA000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

svchost32.exeAddInProcess32.exe

pid process

1248 svchost32.exe
1920 AddInProcess32.exe
Loads dropped DLL 1 IoCs

Processes:

svchost32.exe

pid process

1248 svchost32.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
1248	svchost32.exe
1920	AddInProcess32.exe

pid	process
1248	svchost32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

AddInProcess32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyKanyAasean = "C:\\Users\\Admin\\AppData\\Roaming\\MyKanyAasean\\MyKanyAasean.exe"	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost32.exe

description pid process target process

PID 1248 set thread context of 1920 1248 svchost32.exe AddInProcess32.exe
Office loads VBA resources, possible macro or embedded object present
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1432 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

svchost32.exeAddInProcess32.exe

pid process

1248 svchost32.exe
1248 svchost32.exe
1248 svchost32.exe
1920 AddInProcess32.exe
1920 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost32.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 1248 svchost32.exe
Token: SeDebugPrivilege 1920 AddInProcess32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXEAddInProcess32.exe

pid process

1432 EXCEL.EXE
1432 EXCEL.EXE
1432 EXCEL.EXE
1920 AddInProcess32.exe

description	pid	process	target process
PID 1248 set thread context of 1920	1248	svchost32.exe	AddInProcess32.exe

pid	process
1432	EXCEL.EXE

pid	process
1248	svchost32.exe
1248	svchost32.exe
1248	svchost32.exe
1920	AddInProcess32.exe
1920	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1248	svchost32.exe
Token: SeDebugPrivilege	1920	AddInProcess32.exe

pid	process
1432	EXCEL.EXE
1432	EXCEL.EXE
1432	EXCEL.EXE
1920	AddInProcess32.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

EXCEL.EXEsvchost32.exe

description	pid	process	target process
PID 1432 wrote to memory of 1248	1432	EXCEL.EXE	svchost32.exe
PID 1432 wrote to memory of 1248	1432	EXCEL.EXE	svchost32.exe
PID 1432 wrote to memory of 1248	1432	EXCEL.EXE	svchost32.exe
PID 1432 wrote to memory of 1248	1432	EXCEL.EXE	svchost32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe
PID 1248 wrote to memory of 1920	1248	svchost32.exe	AddInProcess32.exe

C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\PO_10032885_Mahler-Besse_2_16_2020_1207.xls.xlsm
1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1432

C:\Users\Public\svchost32.exe
"C:\Users\Public\svchost32.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1920

Network

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

Replay Monitor

Loading Replay Monitor...

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\Public\svchost32.exe
MD5
9b65bdf577ccfeacc1abb78248f96fc4

SHA1
0e2c6bf9dcbfdd7b32e0c8498256ba5f58da6099

SHA256
02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d

SHA512
215ff6170a2504c35dd7d81d5a66df0d561709e3ce2001371de58e77bfe3f2cc82b59cac3f917b9bbae603e4c3a9e808245b07cf978cd9ec7569ee46fbd8d8fc

Download Submit
C:\Users\Public\svchost32.exe
MD5
9b65bdf577ccfeacc1abb78248f96fc4

SHA1
0e2c6bf9dcbfdd7b32e0c8498256ba5f58da6099

SHA256
02261d11f15d4b62340ceed9b3ab2e1520ed3206ba85331be8a775426969ba1d

SHA512
215ff6170a2504c35dd7d81d5a66df0d561709e3ce2001371de58e77bfe3f2cc82b59cac3f917b9bbae603e4c3a9e808245b07cf978cd9ec7569ee46fbd8d8fc

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

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/1248-5-0x0000000000000000-mapping.dmp

Download
memory/1248-9-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1432-1-0x000000000030F000-0x0000000000315000-memory.dmp

Filesize
24KB

Download
memory/1920-13-0x0000000000454FAE-mapping.dmp

Download
memory/1920-15-0x0000000000080000-0x00000000000DA000-memory.dmp

Filesize
360KB

Download
memory/1920-16-0x0000000000080000-0x00000000000DA000-memory.dmp

Filesize
360KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads