agenttesla | 9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2

General

Target

9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
Size

630KB
MD5

f33213ae612a106182ed833d908a3911
SHA1

9c3067d990ed842b1579cecb636f0c51bf0f249b
SHA256

9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2
SHA512

155a337431bc7b5f08e85a6eb7f2fd261a0ea51e74065c20ca94e08a9f8e75f6c503e729f9831a13ffee6df45216a44e6496137dc4c4b4e35d4f985de9071b4a
SSDEEP

12288:cWfkbPUgwLRt/7mJWw7xINlNXWSGVKxJIeiW7hJEeRyl+hXB778QR:9kTtJWvlNXzvI8U8XBX

Score

10^/10

agenttesla execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kawajun.com.my
Port:
587
Username:
[email protected]
Password:
kawajun1974
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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

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

resource	yara_rule
behavioral1/memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2532	powershell.exe
2632	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\My App = "C:\\Users\\Admin\\AppData\\Roaming\\My App\\My App.exe"	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.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.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2192 set thread context of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
2436	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
2436	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
2532	powershell.exe
2632	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
Token: SeDebugPrivilege	2436	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
Token: SeDebugPrivilege	2532	powershell.exe
Token: SeDebugPrivilege	2632	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2532	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	28
PID 2192 wrote to memory of 2532	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	28
PID 2192 wrote to memory of 2532	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	28
PID 2192 wrote to memory of 2532	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	28
PID 2192 wrote to memory of 2632	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	30
PID 2192 wrote to memory of 2632	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	30
PID 2192 wrote to memory of 2632	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	30
PID 2192 wrote to memory of 2632	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	30
PID 2192 wrote to memory of 2576	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	32
PID 2192 wrote to memory of 2576	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	32
PID 2192 wrote to memory of 2576	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	32
PID 2192 wrote to memory of 2576	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	32
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34
PID 2192 wrote to memory of 2436	2192	9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe	34

C:\Users\Admin\AppData\Local\Temp\9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
"C:\Users\Admin\AppData\Local\Temp\9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192
- 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\9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BEbRQOFudQulD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2632
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BEbRQOFudQulD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC39D.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2576
- C:\Users\Admin\AppData\Local\Temp\9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe
  "C:\Users\Admin\AppData\Local\Temp\9fb239cb18e8125a07b702f8fc263ba144c25f980ac09ca562a6c3907d49acc2.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC39D.tmp

Filesize
1KB

MD5
7af12afee49ef877a9a501a30adb4741

SHA1
03988ddcc7a07de1bc2d3c184d2bf66c052c4731

SHA256
976b1b69fd2cc08188016eefef640713c2ea099384fd0aa43079e0e957379b14

SHA512
3868c077854b268f97c07f540fe98bb0b3422b55cd9d32c70773491f176ccc0a9e933e193809c4337bd0f325792cda1cfe6245fa14fcdb5ae0f4f1ed7d82c79d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\8LFPJ4AO7MTTMSOQHA19.temp

Filesize
7KB

MD5
ba663d75fb327b86f49a22a1c28ad87a

SHA1
505054935c2315e0d2b77889ce03d0e460f55c1d

SHA256
14b26f3ebfb645d165f1b910ec4c83b440599eeae4e47c5bc3c7006c80071601

SHA512
bf007127996b9be5e885082ee235d41543817f228a77876ad70096f0f7f47a9087a84e6f3e7fd848b264d2b1ed856a48952b9d2d156ce810d94298ebcd4c838a

Download Submit
memory/2192-5-0x0000000000470000-0x0000000000486000-memory.dmp

Filesize
88KB

Download
memory/2192-31-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-0-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/2192-4-0x0000000000300000-0x000000000030E000-memory.dmp

Filesize
56KB

Download
memory/2192-6-0x0000000004EC0000-0x0000000004F42000-memory.dmp

Filesize
520KB

Download
memory/2192-2-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2192-1-0x0000000000E30000-0x0000000000ED4000-memory.dmp

Filesize
656KB

Download
memory/2192-3-0x0000000000450000-0x0000000000468000-memory.dmp

Filesize
96KB

Download
memory/2436-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2436-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads