agenttesla | 5b58f94841a17d6f347c5d32f4ac2e2fb6d7e4954d65b5138ed7fb44c924c3a0

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2023 12:56

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General

Target

LOS No 140491194.exe
Size

676KB
MD5

ba67bb555e5e1d845b4e549df2c8b493
SHA1

ff966c9355cbc922e0eb162d8dae6db2244267da
SHA256

5b58f94841a17d6f347c5d32f4ac2e2fb6d7e4954d65b5138ed7fb44c924c3a0
SHA512

6414fcf1c07c6c6a78f0a71a040b2ad0df764ac59168b3fb49ccaafd4bdb356c3974710e8475d4bed37f22efc14967f6b9218d8f5d779ab05402cefc469a2bcc
SSDEEP

12288:HKPFSPmnULyywVBGh0NaHo3EpGs3TH8HzZF/gxMdib/:HiFS2UDwVBNNYoUpZTcFg/z

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.harisisint.com
Port:
587
Username:
[email protected]
Password:
olu chu kwu 554
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

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

22 api.ipify.org
23 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

LOS No 140491194.exe

description pid process target process

PID 1188 set thread context of 1400 1188 LOS No 140491194.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

LOS No 140491194.exe

pid process

1188 LOS No 140491194.exe
1188 LOS No 140491194.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

LOS No 140491194.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1188 LOS No 140491194.exe
Token: SeDebugPrivilege 1400 RegSvcs.exe

flow	ioc
22	api.ipify.org
23	api.ipify.org

description	pid	process	target process
PID 1188 set thread context of 1400	1188	LOS No 140491194.exe	RegSvcs.exe

pid	process
1188	LOS No 140491194.exe
1188	LOS No 140491194.exe

description	pid	process
Token: SeDebugPrivilege	1188	LOS No 140491194.exe
Token: SeDebugPrivilege	1400	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

LOS No 140491194.exe

description	pid	process	target process
PID 1188 wrote to memory of 4152	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 4152	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 4152	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe
PID 1188 wrote to memory of 1400	1188	LOS No 140491194.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\LOS No 140491194.exe
"C:\Users\Admin\AppData\Local\Temp\LOS No 140491194.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:4152

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1188-133-0x0000000000240000-0x00000000002EE000-memory.dmp

Filesize
696KB

Download
memory/1188-134-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download
memory/1188-135-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/1188-136-0x0000000004E10000-0x0000000004EAC000-memory.dmp

Filesize
624KB

Download
memory/1188-137-0x0000000002840000-0x000000000284A000-memory.dmp

Filesize
40KB

Download
memory/1188-138-0x0000000002860000-0x0000000002870000-memory.dmp

Filesize
64KB

Download
memory/1188-139-0x0000000002860000-0x0000000002870000-memory.dmp

Filesize
64KB

Download
memory/1400-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1400-142-0x0000000005300000-0x0000000005366000-memory.dmp

Filesize
408KB

Download
memory/1400-143-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download
memory/1400-144-0x0000000006BA0000-0x0000000006BF0000-memory.dmp

Filesize
320KB

Download
memory/1400-145-0x0000000006DC0000-0x0000000006F82000-memory.dmp

Filesize
1.8MB

Download
memory/1400-146-0x00000000053F0000-0x0000000005400000-memory.dmp

Filesize
64KB

Download