agenttesla | ef4caa1e2bd42b1ff7da34af06288efb03a8c204d4a40f9c8564b5ac0a368874

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2023 06:18

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General

Target

tyuerghj.exe
Size

752KB
MD5

1ae98135f3721f93c3627b8167e6fa50
SHA1

c5eae06d96051b94cb6e0dabd0f40fed7384306d
SHA256

e1ae0e66e2ad4ee07faec69a41c3aaf6982e5a5c6fe9af7403310c43519227be
SHA512

64db93b80a24eb03104caaf778dd29d1a1592652b2d7f734f1e3e0ede89af5f1cafa627a756ec6fb63aa2e2cfa42ade6c6a9aa1e8dfff749275c19e6cb6e7565
SSDEEP

12288:767B0v33ZJRDqzafmCu5ZjcVZaY2xtxDLQLBNwR2z3n8jUhRcOJ5cLc:76+v3RB+Cu5CZlutZLQLBNhn8j5y/

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.begos.org.tr
Port:
587
Username:
[email protected]
Password:
Bucaorganize@2002
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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-1-5-21-3195054982-4292022746-1467505928-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MmRKwR = "C:\\Users\\Admin\\AppData\\Roaming\\MmRKwR\\MmRKwR.exe"	tyuerghj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 4888	1404	tyuerghj.exe	94

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
60	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1404	tyuerghj.exe
1404	tyuerghj.exe
1404	tyuerghj.exe
1404	tyuerghj.exe
4888	tyuerghj.exe
4888	tyuerghj.exe
1204	powershell.exe
1204	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	tyuerghj.exe
Token: SeDebugPrivilege	4888	tyuerghj.exe
Token: SeDebugPrivilege	1204	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1204	1404	tyuerghj.exe	90
PID 1404 wrote to memory of 1204	1404	tyuerghj.exe	90
PID 1404 wrote to memory of 1204	1404	tyuerghj.exe	90
PID 1404 wrote to memory of 60	1404	tyuerghj.exe	92
PID 1404 wrote to memory of 60	1404	tyuerghj.exe	92
PID 1404 wrote to memory of 60	1404	tyuerghj.exe	92
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94
PID 1404 wrote to memory of 4888	1404	tyuerghj.exe	94

C:\Users\Admin\AppData\Local\Temp\tyuerghj.exe
"C:\Users\Admin\AppData\Local\Temp\tyuerghj.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HbNtXpFugh.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1204
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HbNtXpFugh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D57.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:60
- C:\Users\Admin\AppData\Local\Temp\tyuerghj.exe
  "C:\Users\Admin\AppData\Local\Temp\tyuerghj.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4888

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\__PSScriptPolicyTest_sidh14vb.5ft.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1D57.tmp

Filesize
1KB

MD5
bbb7684bbcf2449800c91ced3c6c6d6e

SHA1
52ea7d62038e7863e21e4053caf4d663df079e0b

SHA256
7e095b3088e10b7966ce8c834d0877a44e8cf223dac4caf030a597a496321e9a

SHA512
f9f9ff07707c8fa09964d878c98dd00c53553380a2251ff8b5d5d8751a00d145d915dd29e53b7f0b74bf90e1d078a03fc81233c4d23b7f1591cd635eab94ca71

Download Submit
memory/1204-25-0x0000000005800000-0x0000000005822000-memory.dmp

Filesize
136KB

Download
memory/1204-13-0x0000000005210000-0x0000000005246000-memory.dmp

Filesize
216KB

Download
memory/1204-65-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1204-62-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/1204-61-0x0000000007E30000-0x0000000007E38000-memory.dmp

Filesize
32KB

Download
memory/1204-38-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/1204-60-0x0000000007E50000-0x0000000007E6A000-memory.dmp

Filesize
104KB

Download
memory/1204-36-0x00000000067D0000-0x00000000067EE000-memory.dmp

Filesize
120KB

Download
memory/1204-14-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1204-16-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/1204-59-0x0000000007D40000-0x0000000007D4E000-memory.dmp

Filesize
56KB

Download
memory/1204-17-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/1204-58-0x00000000053C0000-0x00000000053D0000-memory.dmp

Filesize
64KB

Download
memory/1204-19-0x0000000005A00000-0x0000000006028000-memory.dmp

Filesize
6.2MB

Download
memory/1204-57-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1204-56-0x0000000007D90000-0x0000000007E26000-memory.dmp

Filesize
600KB

Download
memory/1204-55-0x0000000007B60000-0x0000000007B6A000-memory.dmp

Filesize
40KB

Download
memory/1204-54-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

Filesize
104KB

Download
memory/1204-53-0x0000000008130000-0x00000000087AA000-memory.dmp

Filesize
6.5MB

Download
memory/1204-26-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/1204-52-0x0000000006D90000-0x0000000006DAE000-memory.dmp

Filesize
120KB

Download
memory/1204-42-0x0000000070790000-0x00000000707DC000-memory.dmp

Filesize
304KB

Download
memory/1204-41-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

Filesize
200KB

Download
memory/1204-40-0x000000007FC20000-0x000000007FC30000-memory.dmp

Filesize
64KB

Download
memory/1404-7-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1404-1-0x0000000000D40000-0x0000000000E02000-memory.dmp

Filesize
776KB

Download
memory/1404-4-0x0000000005A00000-0x0000000005A10000-memory.dmp

Filesize
64KB

Download
memory/1404-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/1404-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/1404-6-0x0000000005AB0000-0x0000000005B4C000-memory.dmp

Filesize
624KB

Download
memory/1404-22-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/1404-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/1404-8-0x0000000005A00000-0x0000000005A10000-memory.dmp

Filesize
64KB

Download
memory/1404-0-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-67-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download
memory/4888-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4888-24-0x0000000005B40000-0x0000000005BA6000-memory.dmp

Filesize
408KB

Download
memory/4888-21-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-39-0x00000000069F0000-0x0000000006A40000-memory.dmp

Filesize
320KB

Download
memory/4888-66-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-23-0x00000000058F0000-0x0000000005900000-memory.dmp

Filesize
64KB

Download