agenttesla | b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2023 13:34

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General

Target

b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
Size

1.0MB
MD5

9d36688a27ffd790190faa7be7a89033
SHA1

52aaf6053e42425a83b102c71ee559e7c049baba
SHA256

b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa
SHA512

f848044036b86a44c3cd0de962cde0cb6da3b050e0cdc3cd0707434a81d3697059994330e10b6d5c2567ccde31dbdb1ac1907a304b7641103087868cb0c69cf2
SSDEEP

24576:vmfmE0bk3oLIK2RjfjKZEZlelmwnFXXZmN:vmfmE0bk3oLIK2Rj4ECmh

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.alayeforeg.com
Port:
587
Username:
[email protected]
Password:
nS:R%gte{1w8
Email To:
[email protected]

Signatures

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

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-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Baidu = "C:\\Users\\Admin\\AppData\\Roaming\\Baidu.exe"	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3308 set thread context of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4080	4872	WerFault.exe	104

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4872	aspnet_compiler.exe
4872	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
Token: SeDebugPrivilege	4872	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104
PID 3308 wrote to memory of 4872	3308	b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe	104

C:\Users\Admin\AppData\Local\Temp\b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe
"C:\Users\Admin\AppData\Local\Temp\b9778cf7d090f3c862267950655acb0608fe16f7d1892fd74e63c4f0f890e8fa.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3308
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4872
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4872 -s 1380
    3⤵
    - Program crash
    PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4872 -ip 4872
1⤵
PID:3440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3308-8-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/3308-6-0x0000000006190000-0x00000000061DC000-memory.dmp

Filesize
304KB

Download
memory/3308-2-0x0000000004AA0000-0x0000000004AB0000-memory.dmp

Filesize
64KB

Download
memory/3308-3-0x0000000005E10000-0x0000000005E68000-memory.dmp

Filesize
352KB

Download
memory/3308-1-0x0000000000070000-0x0000000000182000-memory.dmp

Filesize
1.1MB

Download
memory/3308-5-0x0000000006140000-0x0000000006180000-memory.dmp

Filesize
256KB

Download
memory/3308-0-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3308-7-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/3308-4-0x0000000005FE0000-0x0000000006020000-memory.dmp

Filesize
256KB

Download
memory/3308-9-0x00000000067F0000-0x0000000006D94000-memory.dmp

Filesize
5.6MB

Download
memory/3308-13-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4872-14-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4872-15-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/4872-16-0x0000000004F80000-0x0000000004FE6000-memory.dmp

Filesize
408KB

Download
memory/4872-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4872-17-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download