agenttesla | 889647fa41dbe3f6f5ca5c356d021e2ca89516d7494c8c4c8cd909e65214794f

Analysis

max time kernel
144s
max time network
159s
platform
windows10_x64
resource
win10-en-20210920
submitted
18-10-2021 20:14

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General

Target

Scan0035.exe
Size

378KB
MD5

4a5b5548aaac6cd43db49ddb7ea3366a
SHA1

66ed951f8f61eac27e44d2df5f620c165c3bc5c6
SHA256

f05fb8e19bb59ac7d58eee5d0461c9e446b0d9f07c824ebac75c3758752918db
SHA512

50ea6daa44858c683884f1f5cfd5d849905fa6a1ffbf2c255c701e2820daafbbaba5888c2464dd26ce0eff063603320f1a8d522d014b260d4e9f799a8a506160

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidmail.ec
Port:
587
Username:
[email protected]
Password:
icui4cu2@@

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
behavioral12/memory/684-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral12/memory/684-125-0x0000000000436D8E-mapping.dmp	family_agenttesla
behavioral12/memory/684-131-0x0000000005650000-0x0000000005B4E000-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:

Scan0035.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan0035.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan0035.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Scan0035.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Scan0035.exe

description pid process target process

PID 1688 set thread context of 684 1688 Scan0035.exe Scan0035.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Scan0035.exeScan0035.exe

pid process

1688 Scan0035.exe
1688 Scan0035.exe
684 Scan0035.exe
684 Scan0035.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Scan0035.exeScan0035.exe

description pid process

Token: SeDebugPrivilege 1688 Scan0035.exe
Token: SeDebugPrivilege 684 Scan0035.exe

description	pid	process	target process
PID 1688 set thread context of 684	1688	Scan0035.exe	Scan0035.exe

pid	process
1688	Scan0035.exe
1688	Scan0035.exe
684	Scan0035.exe
684	Scan0035.exe

description	pid	process
Token: SeDebugPrivilege	1688	Scan0035.exe
Token: SeDebugPrivilege	684	Scan0035.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Scan0035.exe

description	pid	process	target process
PID 1688 wrote to memory of 720	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 720	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 720	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe
PID 1688 wrote to memory of 684	1688	Scan0035.exe	Scan0035.exe

outlook_office_path 1 IoCs

Processes:

Scan0035.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	Scan0035.exe

outlook_win_path 1 IoCs

Processes:

Scan0035.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	Scan0035.exe

C:\Users\Admin\AppData\Local\Temp\Scan0035.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0035.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688

C:\Users\Admin\AppData\Local\Temp\Scan0035.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0035.exe"
2⤵
PID:720

C:\Users\Admin\AppData\Local\Temp\Scan0035.exe
"C:\Users\Admin\AppData\Local\Temp\Scan0035.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:684

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Scan0035.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/684-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/684-133-0x0000000006340000-0x0000000006341000-memory.dmp

Filesize
4KB

Download
memory/684-132-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/684-131-0x0000000005650000-0x0000000005B4E000-memory.dmp

Filesize
5.0MB

Download
memory/684-125-0x0000000000436D8E-mapping.dmp

Download
memory/1688-119-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

Filesize
4KB

Download
memory/1688-123-0x0000000006900000-0x0000000006958000-memory.dmp

Filesize
352KB

Download
memory/1688-122-0x0000000006860000-0x0000000006861000-memory.dmp

Filesize
4KB

Download
memory/1688-121-0x0000000004EB0000-0x0000000004EB5000-memory.dmp

Filesize
20KB

Download
memory/1688-120-0x0000000004BC0000-0x00000000050BE000-memory.dmp

Filesize
5.0MB

Download
memory/1688-115-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1688-118-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/1688-117-0x00000000050C0000-0x00000000050C1000-memory.dmp

Filesize
4KB

Download