agenttesla | 7aeab882ca608569e540bbe1bfe252cedab140b11e364c903a74f9de9249a766

Analysis

max time kernel
151s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 05:26

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General

Target
PI.exe
Size 639KB
Sample210505-pjkmlspp1e
SHA256 b9765f066a8b27b879502a17ea3f305cb41ba31e615e877b8e8966e3c788d3b4
MD5 05945e51f41451c7d1bd56620c027b1f
SHA1 64f1de1f8077a448c258a7e434b1ada051f6f3ff
SHA512 b840c51fa4bba24c341357fead2d5dd2a9070378db38a368f9d3e3d7ed96ff2dff568e4593ac817fbda27ee522e68990df2765e87ad93ccff5867c779eced5eb
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.rakub.org.bd
Port
587
Username
[email protected]
Password
zlal159357

Signatures

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

AgentTesla Payload 3 IoCs

resource	yara_rule
behavioral2/memory/2604-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2604-126-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral2/memory/2604-131-0x0000000004DE0000-0x00000000052DE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.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-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\AvrzbM = "C:\\Users\\Admin\\AppData\\Roaming\\AvrzbM\\AvrzbM.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 668 set thread context of 2604	668	PI.exe	81

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
668	PI.exe
668	PI.exe
668	PI.exe
668	PI.exe
668	PI.exe
668	PI.exe
668	PI.exe
2604	RegSvcs.exe
2604	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	668	PI.exe
Token: SeDebugPrivilege	2604	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 1332	668	PI.exe	78
PID 668 wrote to memory of 1332	668	PI.exe	78
PID 668 wrote to memory of 1332	668	PI.exe	78
PID 668 wrote to memory of 768	668	PI.exe	79
PID 668 wrote to memory of 768	668	PI.exe	79
PID 668 wrote to memory of 768	668	PI.exe	79
PID 668 wrote to memory of 2684	668	PI.exe	80
PID 668 wrote to memory of 2684	668	PI.exe	80
PID 668 wrote to memory of 2684	668	PI.exe	80
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81
PID 668 wrote to memory of 2604	668	PI.exe	81

C:\Users\Admin\AppData\Local\Temp\PI.exe
"C:\Users\Admin\AppData\Local\Temp\PI.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:1332
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:768
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/668-114-0x0000000000B70000-0x0000000000B71000-memory.dmp

Download

memory/668-116-0x0000000005590000-0x0000000005591000-memory.dmp

Download

memory/668-117-0x0000000005B30000-0x0000000005B31000-memory.dmp

Download

memory/668-118-0x00000000056D0000-0x00000000056D1000-memory.dmp

Download

memory/668-119-0x0000000005630000-0x0000000005B2E000-memory.dmp

Download

memory/668-120-0x0000000005560000-0x0000000005561000-memory.dmp

Download

memory/668-121-0x0000000005830000-0x0000000005831000-memory.dmp

Download

memory/668-122-0x0000000006160000-0x000000000616E000-memory.dmp

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memory/668-123-0x00000000013B0000-0x0000000001429000-memory.dmp

Download

memory/668-124-0x0000000002D40000-0x0000000002D7E000-memory.dmp

Download

memory/2604-125-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/2604-131-0x0000000004DE0000-0x00000000052DE000-memory.dmp

Download

memory/2604-132-0x0000000004F30000-0x0000000004F31000-memory.dmp

Download

memory/2604-133-0x0000000005AD0000-0x0000000005AD1000-memory.dmp

Download