agenttesla | 871978fb97af5fca44a98714b79a3e86dfdb468eed6980dadc7f2bf7e5bf1aaa

Resubmissions

06/11/2023, 19:37

231106-ybwfxadf81 10

06/11/2023, 19:33

231106-x9tjjadf4z 10

06/11/2023, 16:18

231106-tr58tscc9y 10

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06/11/2023, 19:33

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General

Target

1106-03-AgentTesla.exe
Size

700KB
MD5

5b61637836afea5019078c8841f39712
SHA1

061befc3ad783a590cb6e408062f8b2291c7b12f
SHA256

8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
SHA512

c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5
SSDEEP

12288:vwgJjWP9lZtDKIcXY4mnTwwlJk15TsVuhk37F1VoKc8XUbsS:PkDDKIcSEwEQVu237VoKc8X+

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
cash@com12345cash@com12345
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\Micosoft Excel 2023 = "C:\\Users\\Admin\\AppData\\Roaming\\Micosoft Excel 2023\\Micosoft Excel 2023.exe"	1106-03-AgentTesla.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2476 set thread context of 2556	2476	1106-03-AgentTesla.exe	33

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2476	1106-03-AgentTesla.exe
2556	1106-03-AgentTesla.exe
2556	1106-03-AgentTesla.exe
2696	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	1106-03-AgentTesla.exe
Token: SeDebugPrivilege	2556	1106-03-AgentTesla.exe
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2696	2476	1106-03-AgentTesla.exe	28
PID 2476 wrote to memory of 2696	2476	1106-03-AgentTesla.exe	28
PID 2476 wrote to memory of 2696	2476	1106-03-AgentTesla.exe	28
PID 2476 wrote to memory of 2696	2476	1106-03-AgentTesla.exe	28
PID 2476 wrote to memory of 2828	2476	1106-03-AgentTesla.exe	30
PID 2476 wrote to memory of 2828	2476	1106-03-AgentTesla.exe	30
PID 2476 wrote to memory of 2828	2476	1106-03-AgentTesla.exe	30
PID 2476 wrote to memory of 2828	2476	1106-03-AgentTesla.exe	30
PID 2476 wrote to memory of 2852	2476	1106-03-AgentTesla.exe	32
PID 2476 wrote to memory of 2852	2476	1106-03-AgentTesla.exe	32
PID 2476 wrote to memory of 2852	2476	1106-03-AgentTesla.exe	32
PID 2476 wrote to memory of 2852	2476	1106-03-AgentTesla.exe	32
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33
PID 2476 wrote to memory of 2556	2476	1106-03-AgentTesla.exe	33

C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe
"C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PkhbHYvHHp.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PkhbHYvHHp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6E9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe
  "C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"
  2⤵
  PID:2852
- C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe
  "C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA6E9.tmp

Filesize
1KB

MD5
b1751d375a6429deba21c76a653bbdc9

SHA1
c9f7e57145bfb1e1f9bc0e925ab928a6aa3722b2

SHA256
0a96fa3c885d5a4d7882abf3c263556f15cb8fabd03059137b2fbacce08d4f99

SHA512
275c4edd51984d985185a4ee78cfbf22baa0291485a7544fbebeca7592702388f3f64158d918d41f58729034b8bbb28c6e03b4c425460a9f62667ee7a78e3c5c

Download Submit
C:\Users\Admin\AppData\Roaming\Micosoft Excel 2023\Micosoft Excel 2023.exe

Filesize
700KB

MD5
5b61637836afea5019078c8841f39712

SHA1
061befc3ad783a590cb6e408062f8b2291c7b12f

SHA256
8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757

SHA512
c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5

Download Submit
memory/2476-0-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/2476-1-0x00000000002B0000-0x0000000000366000-memory.dmp

Filesize
728KB

Download
memory/2476-2-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2476-3-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download
memory/2476-4-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/2476-5-0x0000000004D90000-0x0000000004DD0000-memory.dmp

Filesize
256KB

Download
memory/2476-6-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/2476-7-0x0000000005C00000-0x0000000005C7A000-memory.dmp

Filesize
488KB

Download
memory/2476-26-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-27-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2556-28-0x0000000004860000-0x00000000048A0000-memory.dmp

Filesize
256KB

Download
memory/2556-36-0x0000000004860000-0x00000000048A0000-memory.dmp

Filesize
256KB

Download
memory/2556-35-0x0000000073E00000-0x00000000744EE000-memory.dmp

Filesize
6.9MB

Download
memory/2556-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-31-0x0000000002680000-0x00000000026C0000-memory.dmp

Filesize
256KB

Download
memory/2696-34-0x000000006E4A0000-0x000000006EA4B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-30-0x000000006E4A0000-0x000000006EA4B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-29-0x000000006E4A0000-0x000000006EA4B000-memory.dmp

Filesize
5.7MB

Download