agenttesla | 4a8ed2dafd6e64965df912fe487ca70e1d838f4d9ce924942b271d8bd5576bb7

General

Target

MRS-KNRP-6842FT.exe
Size

674KB
MD5

f9832ed3139e752e17c7ca2c34be3f8f
SHA1

504a431a59ed456c1569fc23c419b66ea9d3a8bf
SHA256

5a5ee7a7accc9dea18429c75f62db226599e96d50cdf5f1fec7d5e40881278b2
SHA512

08f641d93f7946aff4dbab0be91b6d95614adf77f76269117f5148c734c5fa954e84bc3da7bf4d832df809ef820268403787e28cacab09926f7b57b8a2b2065b

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
sages101

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/1344-62-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1344-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1344-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1344-65-0x000000000044B88E-mapping.dmp	family_agenttesla
behavioral1/memory/1344-67-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1344-69-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 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
Suspicious use of SetThreadContext 1 IoCs

Processes:

MRS-KNRP-6842FT.exe

description pid process target process

PID 860 set thread context of 1344 860 MRS-KNRP-6842FT.exe MRS-KNRP-6842FT.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

MRS-KNRP-6842FT.exeMRS-KNRP-6842FT.exe

pid process

860 MRS-KNRP-6842FT.exe
860 MRS-KNRP-6842FT.exe
860 MRS-KNRP-6842FT.exe
860 MRS-KNRP-6842FT.exe
1344 MRS-KNRP-6842FT.exe
1344 MRS-KNRP-6842FT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MRS-KNRP-6842FT.exeMRS-KNRP-6842FT.exe

description pid process

Token: SeDebugPrivilege 860 MRS-KNRP-6842FT.exe
Token: SeDebugPrivilege 1344 MRS-KNRP-6842FT.exe

description	pid	process	target process
PID 860 set thread context of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe

pid	process
860	MRS-KNRP-6842FT.exe
860	MRS-KNRP-6842FT.exe
860	MRS-KNRP-6842FT.exe
860	MRS-KNRP-6842FT.exe
1344	MRS-KNRP-6842FT.exe
1344	MRS-KNRP-6842FT.exe

description	pid	process
Token: SeDebugPrivilege	860	MRS-KNRP-6842FT.exe
Token: SeDebugPrivilege	1344	MRS-KNRP-6842FT.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

MRS-KNRP-6842FT.exe

description	pid	process	target process
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe
PID 860 wrote to memory of 1344	860	MRS-KNRP-6842FT.exe	MRS-KNRP-6842FT.exe

C:\Users\Admin\AppData\Local\Temp\MRS-KNRP-6842FT.exe
"C:\Users\Admin\AppData\Local\Temp\MRS-KNRP-6842FT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860

C:\Users\Admin\AppData\Local\Temp\MRS-KNRP-6842FT.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1344

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

memory/860-54-0x00000000001A0000-0x000000000024E000-memory.dmp

Filesize
696KB

Download
memory/860-55-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/860-56-0x00000000005C0000-0x00000000005CA000-memory.dmp

Filesize
40KB

Download
memory/860-57-0x0000000008030000-0x000000000809C000-memory.dmp

Filesize
432KB

Download
memory/860-58-0x00000000041D0000-0x000000000422A000-memory.dmp

Filesize
360KB

Download
memory/1344-59-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-62-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-65-0x000000000044B88E-mapping.dmp

Download
memory/1344-67-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1344-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download

Analysis

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