agenttesla | b9bee53090cb165a0a438fa365abaa6d879496ac8196c8ea751d1ca51e0f024b

General

Target

36346564.exe

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.psf-lb.com
Port:
587
Username:
tg@psf-lb.com
Password:
DM!BRXS5

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/2648-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2648-13-0x00000000004375FE-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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 api.ipify.org
20 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

36346564.exe

description pid process target process

PID 1140 set thread context of 2648 1140 36346564.exe 36346564.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

36346564.exe

pid process

2648 36346564.exe
2648 36346564.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

36346564.exe

pid process

2648 36346564.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

36346564.exe

description pid process

Token: SeDebugPrivilege 2648 36346564.exe

flow	ioc
19	api.ipify.org
20	api.ipify.org

description	pid	process	target process
PID 1140 set thread context of 2648	1140	36346564.exe	36346564.exe

pid	process
2648	36346564.exe
2648	36346564.exe

pid	process
2648	36346564.exe

description	pid	process
Token: SeDebugPrivilege	2648	36346564.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

36346564.exe

description	pid	process	target process
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe
PID 1140 wrote to memory of 2648	1140	36346564.exe	36346564.exe

C:\Users\Admin\AppData\Local\Temp\36346564.exe
"C:\Users\Admin\AppData\Local\Temp\36346564.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1140

C:\Users\Admin\AppData\Local\Temp\36346564.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:2648

Network

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\36346564.exe.log
MD5
3fed8d1dd11972a6e2603bb2d73a3ee5

SHA1
7ecb7f64ade7b91c5815da647e84167c3d95afb4

SHA256
eecf6c0575dc995a485d46a5daaa66f58229e552f16782d873834d218ab17551

SHA512
ca6059eb67f800cc666d5146d24070abf5ee08209f8f9d1668a0ca2201eb3f6fa013c2d807b09925e12b82c37686980fcc26a6a5e4a5ba129c4b2a585961d3bb

Download Submit
memory/1140-9-0x00000000078E0000-0x00000000078E1000-memory.dmp

Filesize
4KB

Download
memory/1140-11-0x0000000008370000-0x0000000008417000-memory.dmp

Filesize
668KB

Download
memory/1140-6-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/1140-7-0x0000000005580000-0x0000000005581000-memory.dmp

Filesize
4KB

Download
memory/1140-8-0x0000000007D70000-0x0000000007D71000-memory.dmp

Filesize
4KB

Download
memory/1140-2-0x0000000073450000-0x0000000073B3E000-memory.dmp

Filesize
6.9MB

Download
memory/1140-10-0x00000000078B0000-0x00000000078BE000-memory.dmp

Filesize
56KB

Download
memory/1140-5-0x0000000005AB0000-0x0000000005AB1000-memory.dmp

Filesize
4KB

Download
memory/1140-3-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/2648-13-0x00000000004375FE-mapping.dmp

Download
memory/2648-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-15-0x0000000073450000-0x0000000073B3E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-20-0x0000000005950000-0x0000000005951000-memory.dmp

Filesize
4KB

Download
memory/2648-21-0x00000000059F0000-0x00000000059F1000-memory.dmp

Filesize
4KB

Download

Analysis

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