agenttesla | 988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800

General

Target

988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe
Size

1.0MB
MD5

ccdd09951364a23f760ac5b6425dabe4
SHA1

00f370ab98cbbd7cb81b522b52154859240a1f7c
SHA256

988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800
SHA512

c0d7f193e92060a14eed04e867a4b57004e0acd63118e97f921e9d6707242ad8e62a744ab4f6f1f7ed8776df0ffd3c5738bae2fd74d60da977b5fb8d751e1fa4
SSDEEP

24576:2R+ow4bjw4b0LqM4oxEK8GPMdiXCC3MkejWIF5y73:2Rrw4bjw4b0/XPMdiyC3M/So5E3

Score

10^/10

agenttesla execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.greenimpressionbd.com
Port:
587
Username:
[email protected]
Password:
Rumizaman123
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2520 powershell.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org

pid	process
2520	powershell.exe

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe

description	pid	process	target process
PID 1548 set thread context of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RegSvcs.exepowershell.exe

pid process

1512 RegSvcs.exe
1512 RegSvcs.exe
2520 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1512 RegSvcs.exe
Token: SeDebugPrivilege 2520 powershell.exe

pid	process
1512	RegSvcs.exe
1512	RegSvcs.exe
2520	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1512	RegSvcs.exe
Token: SeDebugPrivilege	2520	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe

description	pid	process	target process
PID 1548 wrote to memory of 2520	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	powershell.exe
PID 1548 wrote to memory of 2520	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	powershell.exe
PID 1548 wrote to memory of 2520	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	powershell.exe
PID 1548 wrote to memory of 2520	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	powershell.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe
PID 1548 wrote to memory of 1512	1548	988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe
"C:\Users\Admin\AppData\Local\Temp\988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\988cecb39c8ff652b9f6f677c11c53279ffb166608acf3cbd4aa7cafc6019800.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1512-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1512-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1548-5-0x0000000007470000-0x00000000074F2000-memory.dmp

Filesize
520KB

Download
memory/1548-4-0x0000000000670000-0x0000000000680000-memory.dmp

Filesize
64KB

Download
memory/1548-7-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download
memory/1548-2-0x0000000000590000-0x00000000005AA000-memory.dmp

Filesize
104KB

Download
memory/1548-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/1548-21-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download
memory/1548-6-0x00000000744FE000-0x00000000744FF000-memory.dmp

Filesize
4KB

Download
memory/1548-1-0x0000000000820000-0x0000000000928000-memory.dmp

Filesize
1.0MB

Download
memory/1548-3-0x00000000744F0000-0x0000000074BDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads