agenttesla | 84364ef2e3f73de1d6837bdc0983de070093669d4f9b116c6334960b99309b3e

General

Target

1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe
Size

137KB
MD5

3f44e6cb225efe5b640353f568a99acd
SHA1

89bbcdf4a0c1d210a656b007ae3c754367ba3bc1
SHA256

1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658
SHA512

7765f7e653c55e4d8034df89dd7584fc787572e3e7d5a38fd5744f95b435598707e26feedb7a0a8d9fd48404598cd7857d52bcfed1b57434acd6bc5428accd7c
SSDEEP

3072:duxPI6JmMvHaXQtMJo+rEG7mAeedlZk52/Id4r85fwH:dgSQcoHG7R9Id4c4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.trevor22photography.com
Port:
587
Username:
[email protected]
Password:
Arsenal22@
Email To:
[email protected]

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1604	Ycgdqpptljseil.exe
764	Ciko.exe

Loads dropped DLL 2 IoCs

pid	Process
1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe
1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ycgdqpptljseil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ycgdqpptljseil.exe
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ycgdqpptljseil.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.

flow	ioc
3	api.ipify.org
4	api.ipify.org

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1604	Ycgdqpptljseil.exe
1604	Ycgdqpptljseil.exe

Suspicious behavior: SetClipboardViewer 1 IoCs

pid	Process
1604	Ycgdqpptljseil.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	Ycgdqpptljseil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1604	Ycgdqpptljseil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1604	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	27
PID 1600 wrote to memory of 1604	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	27
PID 1600 wrote to memory of 1604	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	27
PID 1600 wrote to memory of 1604	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	27
PID 1600 wrote to memory of 764	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	28
PID 1600 wrote to memory of 764	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	28
PID 1600 wrote to memory of 764	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	28
PID 1600 wrote to memory of 764	1600	1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ycgdqpptljseil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ycgdqpptljseil.exe

C:\Users\Admin\AppData\Local\Temp\1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe
"C:\Users\Admin\AppData\Local\Temp\1214fcf60b88a08f596efec828f1ea8744b30aa6ff141c8a98f45dc6b2a51658.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\Ycgdqpptljseil.exe
  "C:\Users\Admin\AppData\Local\Temp\Ycgdqpptljseil.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: SetClipboardViewer
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1604
- C:\Users\Admin\AppData\Local\Temp\Ciko.exe
  "C:\Users\Admin\AppData\Local\Temp\Ciko.exe"
  2⤵
  - Executes dropped EXE
  PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Ciko.exe

Filesize
76KB

MD5
6741d00c206f685140fd9cd0957aaaa8

SHA1
8e2da1453a6001aef807661db6940b1703846890

SHA256
8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

SHA512
9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

Download Submit
C:\Users\Admin\AppData\Local\Temp\Ciko.exe

Filesize
76KB

MD5
6741d00c206f685140fd9cd0957aaaa8

SHA1
8e2da1453a6001aef807661db6940b1703846890

SHA256
8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

SHA512
9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

Download Submit
C:\Users\Admin\AppData\Local\Temp\Ycgdqpptljseil.exe

Filesize
167KB

MD5
194aa88d7a44a347437300b8ee27dedc

SHA1
478c1efd14f29309eb64c40f15eb87ae9ca3cbf0

SHA256
92ac67242a69e4bdc5136ced3d0a07637132f3e7fde7508f14a23357743e457a

SHA512
172bcfdd9717839057aecd43e753c9cf0de98c58285f5f34aaa9bd3f048e3f2a0adaec29ec6f8d003ef11d83cc41263eee8157cd163e6c1fb2d37f621ae7bbbc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Ycgdqpptljseil.exe

Filesize
167KB

MD5
194aa88d7a44a347437300b8ee27dedc

SHA1
478c1efd14f29309eb64c40f15eb87ae9ca3cbf0

SHA256
92ac67242a69e4bdc5136ced3d0a07637132f3e7fde7508f14a23357743e457a

SHA512
172bcfdd9717839057aecd43e753c9cf0de98c58285f5f34aaa9bd3f048e3f2a0adaec29ec6f8d003ef11d83cc41263eee8157cd163e6c1fb2d37f621ae7bbbc

Download Submit
\Users\Admin\AppData\Local\Temp\Ciko.exe

Filesize
76KB

MD5
6741d00c206f685140fd9cd0957aaaa8

SHA1
8e2da1453a6001aef807661db6940b1703846890

SHA256
8c21274f725299022fbf415925210da65702198913c4713dfe5dda09ceb2d38a

SHA512
9ea9656b2a54d7f3482d4625d52aa0c51e788ece799de5bb35e821efe138cce49e0d091e4ba683ef49d727d01ff9b912f58f5a96dac3f57441709318c364f527

Download Submit
\Users\Admin\AppData\Local\Temp\Ycgdqpptljseil.exe

Filesize
167KB

MD5
194aa88d7a44a347437300b8ee27dedc

SHA1
478c1efd14f29309eb64c40f15eb87ae9ca3cbf0

SHA256
92ac67242a69e4bdc5136ced3d0a07637132f3e7fde7508f14a23357743e457a

SHA512
172bcfdd9717839057aecd43e753c9cf0de98c58285f5f34aaa9bd3f048e3f2a0adaec29ec6f8d003ef11d83cc41263eee8157cd163e6c1fb2d37f621ae7bbbc

Download Submit
memory/764-71-0x0000000000B50000-0x0000000000B68000-memory.dmp

Filesize
96KB

Download
memory/764-72-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/764-96-0x0000000004B30000-0x0000000004B70000-memory.dmp

Filesize
256KB

Download
memory/1600-54-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1600-55-0x0000000004AD0000-0x0000000004B10000-memory.dmp

Filesize
256KB

Download
memory/1604-70-0x0000000000F60000-0x0000000000F90000-memory.dmp

Filesize
192KB

Download
memory/1604-97-0x0000000000EC0000-0x0000000000F00000-memory.dmp

Filesize
256KB

Download

Analysis

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