agenttesla | e3ca8c3d4b4af1e4b6f957ed75b7378cb955519f9523aa03741aaa606312a183

General

Target

67589923.EXE
Size

594KB
MD5

9f7e59995263b92231ca69911bc9d20e
SHA1

a79d7e3f0a49ec5324d8631d41f46a833d3a520e
SHA256

3e8eb7a331ed3b1699d2138aecfa519cb744b9eccb52909420d3d3bed9a3ca05
SHA512

b9a1c3d87ad255ec7baa65665ac1b6004a737f0e411b89d38b8f8a796bbc9b882010fed2b4fec5b5b39f49dfc65718caafdcf569030d04d971631617c5a179e8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.vector-kl.com
Port:
587
Username:
amin@vector-kl.com
Password:
AminVectorKL202)

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/616-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/616-126-0x0000000000436D1E-mapping.dmp	family_agenttesla
behavioral2/memory/616-132-0x0000000005360000-0x000000000585E000-memory.dmp	family_agenttesla

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:

67589923.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67589923.EXE
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67589923.EXE
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67589923.EXE

Suspicious use of SetThreadContext 1 IoCs

Processes:

67589923.EXE

description pid process target process

PID 2796 set thread context of 616 2796 67589923.EXE 67589923.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

364 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

67589923.EXE67589923.EXE

pid process

2796 67589923.EXE
2796 67589923.EXE
616 67589923.EXE
616 67589923.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

67589923.EXE67589923.EXE

description pid process

Token: SeDebugPrivilege 2796 67589923.EXE
Token: SeDebugPrivilege 616 67589923.EXE
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

67589923.EXE

pid process

616 67589923.EXE

description	pid	process	target process
PID 2796 set thread context of 616	2796	67589923.EXE	67589923.EXE

pid	process
364	schtasks.exe

pid	process
2796	67589923.EXE
2796	67589923.EXE
616	67589923.EXE
616	67589923.EXE

description	pid	process
Token: SeDebugPrivilege	2796	67589923.EXE
Token: SeDebugPrivilege	616	67589923.EXE

pid	process
616	67589923.EXE

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

67589923.EXE

description	pid	process	target process
PID 2796 wrote to memory of 364	2796	67589923.EXE	schtasks.exe
PID 2796 wrote to memory of 364	2796	67589923.EXE	schtasks.exe
PID 2796 wrote to memory of 364	2796	67589923.EXE	schtasks.exe
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE
PID 2796 wrote to memory of 616	2796	67589923.EXE	67589923.EXE

outlook_office_path 1 IoCs

Processes:

67589923.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67589923.EXE

outlook_win_path 1 IoCs

Processes:

67589923.EXE

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	67589923.EXE

C:\Users\Admin\AppData\Local\Temp\67589923.EXE
"C:\Users\Admin\AppData\Local\Temp\67589923.EXE"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2796

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FJlDVbRs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82D8.tmp"
2⤵
- Creates scheduled task(s)
PID:364

C:\Users\Admin\AppData\Local\Temp\67589923.EXE
"C:\Users\Admin\AppData\Local\Temp\67589923.EXE"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

System Information Discovery

1

T1082

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\Microsoft\CLR_v4.0_32\UsageLogs\67589923.EXE.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/364-124-0x0000000000000000-mapping.dmp

Download
memory/616-134-0x00000000060D0000-0x00000000060D1000-memory.dmp

Filesize
4KB

Download
memory/616-133-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/616-132-0x0000000005360000-0x000000000585E000-memory.dmp

Filesize
5.0MB

Download
memory/616-126-0x0000000000436D1E-mapping.dmp

Download
memory/616-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2796-119-0x00000000057D0000-0x00000000057D1000-memory.dmp

Filesize
4KB

Download
memory/2796-123-0x00000000090C0000-0x0000000009117000-memory.dmp

Filesize
348KB

Download
memory/2796-122-0x0000000009160000-0x0000000009161000-memory.dmp

Filesize
4KB

Download
memory/2796-121-0x0000000005B90000-0x0000000005B97000-memory.dmp

Filesize
28KB

Download
memory/2796-120-0x0000000005670000-0x0000000005702000-memory.dmp

Filesize
584KB

Download
memory/2796-115-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/2796-118-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/2796-117-0x0000000005D00000-0x0000000005D01000-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