agenttesla | c63e10d9534c22a4b8c51073288b94c32a428b2871f5739ab71d4e4ca1a19771

General

Target

Purchase contract 23K11-086.exe
Size

680KB
MD5

d87dc3556f0ee0c56863f83c1dfa88ab
SHA1

434f9728b7e5708cc6e3b24cd4df437fb454d5bf
SHA256

024c11134a00bda4eaf6a4528131e86652aaa1c1931d71c2f413c7c133b74c75
SHA512

af6d0be79f90e361a032e97e449b8327d6dac987b53f7b6531c186724664e8a912602088dad62d365d689d41d34d37c12b1439ccf74217d49b4e0806acb2151e
SSDEEP

12288:zYgAfDuHOXCcBq08I209uEE3hctaEqqNs7pK3bvHRu0f730PmPAJs:zYggcGql09bIetaEqqTrxu0o02

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
IOL^xOF9
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1768 set thread context of 2744	1768	Purchase contract 23K11-086.exe	33

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1768	Purchase contract 23K11-086.exe
1768	Purchase contract 23K11-086.exe
1768	Purchase contract 23K11-086.exe
1768	Purchase contract 23K11-086.exe
1768	Purchase contract 23K11-086.exe
2744	Purchase contract 23K11-086.exe
2744	Purchase contract 23K11-086.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	Purchase contract 23K11-086.exe
Token: SeDebugPrivilege	2744	Purchase contract 23K11-086.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2744	Purchase contract 23K11-086.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2696	1768	Purchase contract 23K11-086.exe	30
PID 1768 wrote to memory of 2696	1768	Purchase contract 23K11-086.exe	30
PID 1768 wrote to memory of 2696	1768	Purchase contract 23K11-086.exe	30
PID 1768 wrote to memory of 2696	1768	Purchase contract 23K11-086.exe	30
PID 1768 wrote to memory of 2700	1768	Purchase contract 23K11-086.exe	31
PID 1768 wrote to memory of 2700	1768	Purchase contract 23K11-086.exe	31
PID 1768 wrote to memory of 2700	1768	Purchase contract 23K11-086.exe	31
PID 1768 wrote to memory of 2700	1768	Purchase contract 23K11-086.exe	31
PID 1768 wrote to memory of 2956	1768	Purchase contract 23K11-086.exe	32
PID 1768 wrote to memory of 2956	1768	Purchase contract 23K11-086.exe	32
PID 1768 wrote to memory of 2956	1768	Purchase contract 23K11-086.exe	32
PID 1768 wrote to memory of 2956	1768	Purchase contract 23K11-086.exe	32
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33
PID 1768 wrote to memory of 2744	1768	Purchase contract 23K11-086.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase contract 23K11-086.exe

C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  PID:2956
- C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase contract 23K11-086.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1768-0-0x0000000010DF0000-0x0000000010E9E000-memory.dmp

Filesize
696KB

Download
memory/1768-1-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-2-0x0000000004B60000-0x0000000004BA0000-memory.dmp

Filesize
256KB

Download
memory/1768-3-0x00000000002F0000-0x0000000000308000-memory.dmp

Filesize
96KB

Download
memory/1768-4-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/1768-5-0x0000000004B60000-0x0000000004BA0000-memory.dmp

Filesize
256KB

Download
memory/1768-6-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download
memory/1768-7-0x000000000A090000-0x000000000A10C000-memory.dmp

Filesize
496KB

Download
memory/1768-20-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2744-21-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download
memory/2744-22-0x00000000047B0000-0x00000000047F0000-memory.dmp

Filesize
256KB

Download
memory/2744-23-0x0000000074510000-0x0000000074BFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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