agenttesla | 7b2e9f16b557d194f079e970dac923105073eb2aed4b63960c05d5c4bb816184

General

Target

file.exe
Size

622KB
MD5

4014c919c4f26d8b5e72b255cffee0ab
SHA1

88a96eca36775921b5244f206ad461e761bc7a4a
SHA256

7b2e9f16b557d194f079e970dac923105073eb2aed4b63960c05d5c4bb816184
SHA512

48b1961ff9a2aaf68c37a2c4c72b20a51e0bb12f202a185d4cc8ddf0c175637e4e5c693daca8417af6d2c93860d46a83997774ae2e6318057ec9cd29f7b447b7

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
pouns@vivaldi.net
Password:
qwerty123@@@

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1392-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1392-12-0x000000000043747E-mapping.dmp	family_agenttesla

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 3636 set thread context of 1392 3636 file.exe file.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

1392 file.exe
1392 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 1392 file.exe

description	pid	process	target process
PID 3636 set thread context of 1392	3636	file.exe	file.exe

pid	process
1392	file.exe
1392	file.exe

description	pid	process
Token: SeDebugPrivilege	1392	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe
PID 3636 wrote to memory of 1392	3636	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3636

C:\Users\Admin\AppData\Local\Temp\file.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1392

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/1392-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1392-20-0x0000000006130000-0x0000000006131000-memory.dmp

Filesize
4KB

Download
memory/1392-19-0x00000000060A0000-0x00000000060A1000-memory.dmp

Filesize
4KB

Download
memory/1392-14-0x0000000073BA0000-0x000000007428E000-memory.dmp

Filesize
6.9MB

Download
memory/1392-12-0x000000000043747E-mapping.dmp

Download
memory/3636-6-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/3636-10-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/3636-9-0x0000000005860000-0x00000000058EB000-memory.dmp

Filesize
556KB

Download
memory/3636-8-0x0000000004CE0000-0x0000000004CEE000-memory.dmp

Filesize
56KB

Download
memory/3636-7-0x0000000004C60000-0x0000000004C61000-memory.dmp

Filesize
4KB

Download
memory/3636-2-0x0000000073BA0000-0x000000007428E000-memory.dmp

Filesize
6.9MB

Download
memory/3636-5-0x0000000004F30000-0x0000000004F31000-memory.dmp

Filesize
4KB

Download
memory/3636-3-0x00000000000A0000-0x00000000000A1000-memory.dmp

Filesize
4KB

Download

Analysis

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