agenttesla | 1a6ced8369156b97bcdafc4b48c1c57ff252bbb4faf077dc29abe9d60ae7fffb

General

Target
SKM_C258200233645836648763843,pdf.exe
Size 1.4MB
Sample201109-mt56n69ssj
SHA256 1a6ced8369156b97bcdafc4b48c1c57ff252bbb4faf077dc29abe9d60ae7fffb
MD5 8b40e480d150fa630b0b6dde49620ca1
SHA1 a40340df5ee52b2091cd4d60134a481224f5e6ff
SHA512 9ad8adfa334ebf9c1d5737d420cb4d4f3368efb97edb4a44b4f1729536c0b5e001085301e97894e22d4e6d9f7937b6d69026849433e62eeb07d2c3aee7b104fb
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.brightpackaging.in
Port
587
Username
[email protected]
Password
accounts744

Signatures

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

AgentTesla Payload 14 IoCs

resource	yara_rule
behavioral2/memory/3176-0-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral2/memory/3176-1-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-12-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-11-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-13-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-14-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-15-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-16-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-17-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-18-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-19-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-20-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-21-0x000000000044CE4E-mapping.dmp	family_agenttesla
behavioral2/memory/3176-22-0x000000000044CE4E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.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-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\YIroH = "C:\\Users\\Admin\\AppData\\Roaming\\YIroH\\YIroH.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 580 set thread context of 3176	580	SKM_C258200233645836648763843,pdf.exe	77

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1036	3176	WerFault.exe	77

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3176	MSBuild.exe
3176	MSBuild.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe
1036	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3176	MSBuild.exe
Token: SeRestorePrivilege	1036	WerFault.exe
Token: SeBackupPrivilege	1036	WerFault.exe
Token: SeDebugPrivilege	1036	WerFault.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
580	SKM_C258200233645836648763843,pdf.exe
580	SKM_C258200233645836648763843,pdf.exe
580	SKM_C258200233645836648763843,pdf.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
580	SKM_C258200233645836648763843,pdf.exe
580	SKM_C258200233645836648763843,pdf.exe
580	SKM_C258200233645836648763843,pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 580 wrote to memory of 3176	580	SKM_C258200233645836648763843,pdf.exe	77
PID 580 wrote to memory of 3176	580	SKM_C258200233645836648763843,pdf.exe	77
PID 580 wrote to memory of 3176	580	SKM_C258200233645836648763843,pdf.exe	77
PID 580 wrote to memory of 3176	580	SKM_C258200233645836648763843,pdf.exe	77
PID 580 wrote to memory of 3176	580	SKM_C258200233645836648763843,pdf.exe	77
PID 3176 wrote to memory of 3672	3176	MSBuild.exe	79
PID 3176 wrote to memory of 3672	3176	MSBuild.exe	79
PID 3176 wrote to memory of 3672	3176	MSBuild.exe	79

C:\Users\Admin\AppData\Local\Temp\SKM_C258200233645836648763843,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKM_C258200233645836648763843,pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:580
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3176
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    PID:3672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3176 -s 1512
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1036

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1036-10-0x0000000004E20000-0x0000000004E21000-memory.dmp

Download

memory/1036-23-0x0000000005460000-0x0000000005461000-memory.dmp

Download

memory/3176-5-0x0000000005B80000-0x0000000005B81000-memory.dmp

Download

memory/3176-6-0x0000000005560000-0x0000000005561000-memory.dmp

Download

memory/3176-7-0x0000000005490000-0x0000000005491000-memory.dmp

Download

memory/3176-8-0x00000000060F0000-0x00000000060F1000-memory.dmp

Download

memory/3176-2-0x0000000073900000-0x0000000073FEE000-memory.dmp

Download

memory/3176-0-0x0000000000400000-0x0000000000452000-memory.dmp

Download

memory/3176-3-0x0000000000400000-0x0000000000401000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads