agenttesla | a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:18

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General

Target

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
Size

5.3MB
MD5

2c691d79bb133642dea7bc247c534b0e
SHA1

9bf7060f190d7292c24299a804d91a333ba50b77
SHA256

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b
SHA512

dfd34d6a42c31bd367b7079b66fc5b8faf4e8bfc9c9428d65a21237c3071cce446dbecadb50de10a0e5ee4abd0e2a0523fdb879ea9f527604e526f394a5cecd5
SSDEEP

49152:Q0VwdfLTo8j/FtoY1qIKOMhyeSjIgF5evYON7zlCoX9sZHB5hiPs2yUsFg7+YKhj:3AD6yezdNNY5hB2yUZ+z7TyummR4e

Score

10^/10

agenttesla evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6312623109:AAGtX98kZFAPlUeO2CGNX3OW_wCX5mSaacA/

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
behavioral1/memory/2360-23-0x0000000000400000-0x0000000000444000-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

1724 powershell.exe

pid	process
1724	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

jsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\TulzXve = "C:\\Users\\Admin\\AppData\\Roaming\\TulzXve\\TulzXve.exe"	jsc.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.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

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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	pid	process	target process
PID 1644 set thread context of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exepowershell.exejsc.exe

pid process

1644 a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
1724 powershell.exe
2360 jsc.exe
2360 jsc.exe

pid	process
1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
1724	powershell.exe
2360	jsc.exe
2360	jsc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exepowershell.exejsc.exe

description	pid	process
Token: SeDebugPrivilege	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
Token: SeDebugPrivilege	1724	powershell.exe
Token: SeDebugPrivilege	2360	jsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

jsc.exe

pid process

2360 jsc.exe

pid	process
2360	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	pid	process	target process
PID 1644 wrote to memory of 1724	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	powershell.exe
PID 1644 wrote to memory of 1724	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	powershell.exe
PID 1644 wrote to memory of 1724	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	powershell.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe
PID 1644 wrote to memory of 2360	1644	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe	jsc.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe

C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe
"C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1644

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a368e4cec15745f5924364f56f70a71dd003e668b96b7e0fc9b00b81f4acc24b.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1724

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2360

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1724-4-0x000007FEF5D7E000-0x000007FEF5D7F000-memory.dmp

Filesize
4KB

Download
memory/1724-5-0x000000001B6A0000-0x000000001B982000-memory.dmp

Filesize
2.9MB

Download
memory/1724-6-0x0000000001D80000-0x0000000001D88000-memory.dmp

Filesize
32KB

Download
memory/1724-7-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/1724-9-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/1724-8-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/1724-10-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/1724-11-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/1724-24-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2360-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2360-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2360-25-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/2360-26-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-28-0x000000007447E000-0x000000007447F000-memory.dmp

Filesize
4KB

Download
memory/2360-29-0x0000000074470000-0x0000000074B5E000-memory.dmp

Filesize
6.9MB

Download