agenttesla | f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3

General

Target

overdue account letter.exe
Size

791KB
MD5

70c16d0855088ef43d81656b47332bba
SHA1

9d1a98abed89859a96fdfa0d1e40ad4fc63601a3
SHA256

f51d5ea747751e28a14ea5c32a59d2b2af33bb91c402408312c1baa85054acb3
SHA512

2c22c630c6b3bc8b63339b6e143f4c98921f8bbf6a31673bf7b85cd49789f2412dc067c2ec03a1c05a55b273468be354d2181353e151475b1c5e4388599e0596

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mdist.us
Port:
587
Username:
[email protected]
Password:
Receiving#4321

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/1096-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1096-3-0x000000000044712E-mapping.dmp	family_agenttesla
behavioral1/memory/1096-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1096-5-0x0000000000400000-0x000000000044C000-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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 284 set thread context of 1096	284	overdue account letter.exe	24

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1576	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1096	RegSvcs.exe
1096	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1096	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 284 wrote to memory of 1096	284	overdue account letter.exe	24
PID 1096 wrote to memory of 1576	1096	RegSvcs.exe	28
PID 1096 wrote to memory of 1576	1096	RegSvcs.exe	28
PID 1096 wrote to memory of 1576	1096	RegSvcs.exe	28
PID 1096 wrote to memory of 1576	1096	RegSvcs.exe	28

C:\Users\Admin\AppData\Local\Temp\overdue account letter.exe
"C:\Users\Admin\AppData\Local\Temp\overdue account letter.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:284
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1096
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
    3⤵
    - Modifies registry key
    PID:1576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1096-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1096-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1096-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads