agenttesla | 28b8a6d5f87043dd78a7a608c7b74637a5d43e2ddee6a2378e23edc224055577

General

Target

MM20ROMNORIN000387.exe
Size

602KB
MD5

14f5466475d76194d720e3ad4ccc7cec
SHA1

df8c73e5029b2d6be696441ebd1519ef08b3ab29
SHA256

6def60b69deb5f2daeddbf624f84f03ec1bb971a8e49c67da3cbf3749a2ecdc7
SHA512

3c691d08d9b475b3822d84e1e00ed3dd2f43ecc3c55468ad9321935c91253883070364eae08f8be221a27122bc808b4ce6ac219817d78c9bd93f1f2912689912

Score

10^/10

agenttesla agilenet collection keylogger 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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1648-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1648-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1648-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1648-66-0x000000000044BDAE-mapping.dmp	family_agenttesla
behavioral1/memory/1648-69-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1648-71-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

1648 AddInProcess32.exe
Loads dropped DLL 1 IoCs

Processes:

MM20ROMNORIN000387.exe

pid process

1612 MM20ROMNORIN000387.exe

pid	process
1648	AddInProcess32.exe

pid	process
1612	MM20ROMNORIN000387.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/1612-55-0x0000000000230000-0x0000000000244000-memory.dmp	agile_net

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:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

MM20ROMNORIN000387.exe

description pid process target process

PID 1612 set thread context of 1648 1612 MM20ROMNORIN000387.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

MM20ROMNORIN000387.exeAddInProcess32.exe

pid process

1612 MM20ROMNORIN000387.exe
1612 MM20ROMNORIN000387.exe
1612 MM20ROMNORIN000387.exe
1648 AddInProcess32.exe
1648 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MM20ROMNORIN000387.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 1612 MM20ROMNORIN000387.exe
Token: SeDebugPrivilege 1648 AddInProcess32.exe

description	pid	process	target process
PID 1612 set thread context of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe

pid	process
1612	MM20ROMNORIN000387.exe
1612	MM20ROMNORIN000387.exe
1612	MM20ROMNORIN000387.exe
1648	AddInProcess32.exe
1648	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1612	MM20ROMNORIN000387.exe
Token: SeDebugPrivilege	1648	AddInProcess32.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

MM20ROMNORIN000387.exe

description	pid	process	target process
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe
PID 1612 wrote to memory of 1648	1612	MM20ROMNORIN000387.exe	AddInProcess32.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\MM20ROMNORIN000387.exe
"C:\Users\Admin\AppData\Local\Temp\MM20ROMNORIN000387.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1648

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
41KB

MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
memory/1612-58-0x00000000004C0000-0x00000000004C8000-memory.dmp

Filesize
32KB

Download
memory/1612-54-0x00000000011E0000-0x000000000127C000-memory.dmp

Filesize
624KB

Download
memory/1612-57-0x00000000004B0000-0x00000000004B8000-memory.dmp

Filesize
32KB

Download
memory/1612-55-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/1612-56-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/1648-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-66-0x000000000044BDAE-mapping.dmp

Download
memory/1648-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-71-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1648-73-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads