agenttesla | b3db12ee110a51adbbbe9901d5c5ad135aae575a37a8f2a5632b88eedacede6a

Analysis

max time kernel
97s
max time network
16s
platform
windows7_x64
resource
win7
submitted
13/10/2020, 07:42

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General

Target
yuio.exe
Size 1.2MB
Sample201013-e4pshxxzq2
SHA256 b3db12ee110a51adbbbe9901d5c5ad135aae575a37a8f2a5632b88eedacede6a
MD5 5f60085af8bbbee03adca9f4d76fd6da
SHA1 3fee68f36e0a596b96e56269c0833b853e9d404e
SHA512 ee0a95a28814b85123218d5ad086bbf1ee9fa70fd93b990d57710e5e85620b599796ca627003039761543b5e2f7887dcb9141ab2cba0eedc9490566d480a65c3
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.ersanet.com.tr
Port
587
Username
[email protected]
Password
ersan16

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/1764-0-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-1-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1764-2-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1764-3-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\schtasks.url	yuio.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1124 set thread context of 1764	1124	yuio.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1764	MSBuild.exe
1764	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1124	yuio.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1124	yuio.exe
1124	yuio.exe
1124	yuio.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1124	yuio.exe
1124	yuio.exe
1124	yuio.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1764	MSBuild.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1124 wrote to memory of 1764	1124	yuio.exe	28
PID 1124 wrote to memory of 1764	1124	yuio.exe	28
PID 1124 wrote to memory of 1764	1124	yuio.exe	28
PID 1124 wrote to memory of 1764	1124	yuio.exe	28
PID 1124 wrote to memory of 1764	1124	yuio.exe	28

C:\Users\Admin\AppData\Local\Temp\yuio.exe
"C:\Users\Admin\AppData\Local\Temp\yuio.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1124
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1764

Network

MITRE ATT&CK Matrix

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Downloads

memory/1764-0-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1764-2-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1764-3-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/1764-4-0x0000000073F10000-0x00000000745FE000-memory.dmp

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