agenttesla | 2e7f95b47bc6f8c733ecdb9895e810a8378d9a908bde0f990f1631aa86e68cc3

General

Target
zeco.exe
Size 1.8MB
Sample201109-4mcpdeaffs
SHA256 2e7f95b47bc6f8c733ecdb9895e810a8378d9a908bde0f990f1631aa86e68cc3
MD5 4001bd2a8d512a6befb416027d2dbf29
SHA1 03f826333c62868a67ab2435ca61b67d8d6a8201
SHA512 587749da3afd4cee5c696430361e337f2aba99748fea2382c53344aa31f1e7317cf194405bfca33a3692f3e0390ab5e947ceac0700fbb36ecfdf0a5efd867242
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.yandex.com
Port
587
Username
[email protected]
Password
07030452451

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1508-2-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1508-3-0x000000000044A9CE-mapping.dmp	family_agenttesla
behavioral1/memory/1508-4-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/1508-5-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Deletes itself 1 IoCs

pid	Process
1664	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1040 set thread context of 1508	1040	zeco.exe	30

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1520	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	MSBuild.exe
1508	MSBuild.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1040	zeco.exe
1040	zeco.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1040	zeco.exe
1040	zeco.exe
1040	zeco.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1040	zeco.exe
1040	zeco.exe
1040	zeco.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1508	MSBuild.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1768	1040	zeco.exe	29
PID 1040 wrote to memory of 1768	1040	zeco.exe	29
PID 1040 wrote to memory of 1768	1040	zeco.exe	29
PID 1040 wrote to memory of 1768	1040	zeco.exe	29
PID 1040 wrote to memory of 1508	1040	zeco.exe	30
PID 1040 wrote to memory of 1508	1040	zeco.exe	30
PID 1040 wrote to memory of 1508	1040	zeco.exe	30
PID 1040 wrote to memory of 1508	1040	zeco.exe	30
PID 1040 wrote to memory of 1508	1040	zeco.exe	30
PID 1040 wrote to memory of 1664	1040	zeco.exe	31
PID 1040 wrote to memory of 1664	1040	zeco.exe	31
PID 1040 wrote to memory of 1664	1040	zeco.exe	31
PID 1040 wrote to memory of 1664	1040	zeco.exe	31
PID 1664 wrote to memory of 1520	1664	cmd.exe	33
PID 1664 wrote to memory of 1520	1664	cmd.exe	33
PID 1664 wrote to memory of 1520	1664	cmd.exe	33
PID 1664 wrote to memory of 1520	1664	cmd.exe	33
PID 1508 wrote to memory of 824	1508	MSBuild.exe	35
PID 1508 wrote to memory of 824	1508	MSBuild.exe	35
PID 1508 wrote to memory of 824	1508	MSBuild.exe	35
PID 1508 wrote to memory of 824	1508	MSBuild.exe	35

C:\Users\Admin\AppData\Local\Temp\zeco.exe
"C:\Users\Admin\AppData\Local\Temp\zeco.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  PID:1768
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1508
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\zeco.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\timeout.exe
    TimeOut 1
    3⤵
    - Delays execution with timeout.exe
    PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1040-0-0x0000000002A40000-0x0000000002A90000-memory.dmp

Download

memory/1508-2-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/1508-4-0x0000000000400000-0x0000000000450000-memory.dmp

Download

memory/1508-5-0x0000000000400000-0x0000000000450000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads