agenttesla | 17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a

General

Target

joex.exe
Size

17KB
MD5

9decf18e822a2b03210185facccba692
SHA1

620b31f55ddad8ae34067f945cc0b7a7933e8538
SHA256

17a68f9da8d4a8ad6bedb9e2245d88ec5d368ed97c4de660057a1b4ef17b848a
SHA512

e0f8b91244e0fe7f0e734599957c59dd4afdbad2fa6b8b7f97f7c792855b8ef8667406c89fcc195c6612a606338cff6ce5bb91f512c17399e37ef47a0f4f47ad

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.orienttech.com.qa
Port:
587
Username:
[email protected]
Password:
Op{^fLb9gN[!

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1524-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-11-0x00000000004374AE-mapping.dmp	family_agenttesla
behavioral1/memory/1524-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

joex.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	joex.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

joex.exe

pid process

1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
1088 joex.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

joex.exe

description pid process target process

PID 1088 set thread context of 1524 1088 joex.exe joex.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1800 1088 WerFault.exe joex.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1472 timeout.exe

description	pid	process	target process
PID 1088 set thread context of 1524	1088	joex.exe	joex.exe

pid	pid_target	process	target process
1800	1088	WerFault.exe	joex.exe

pid	process
1472	timeout.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

joex.exejoex.exeWerFault.exe

pid	process
1088	joex.exe
1088	joex.exe
1088	joex.exe
1524	joex.exe
1524	joex.exe
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe
1800	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1800 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

joex.exejoex.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 1088 joex.exe
Token: SeDebugPrivilege 1524 joex.exe
Token: SeDebugPrivilege 1800 WerFault.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

joex.exe

pid process

1524 joex.exe

pid	process
1800	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1088	joex.exe
Token: SeDebugPrivilege	1524	joex.exe
Token: SeDebugPrivilege	1800	WerFault.exe

pid	process
1524	joex.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

joex.execmd.exe

description	pid	process	target process
PID 1088 wrote to memory of 1284	1088	joex.exe	cmd.exe
PID 1088 wrote to memory of 1284	1088	joex.exe	cmd.exe
PID 1088 wrote to memory of 1284	1088	joex.exe	cmd.exe
PID 1088 wrote to memory of 1284	1088	joex.exe	cmd.exe
PID 1284 wrote to memory of 1472	1284	cmd.exe	timeout.exe
PID 1284 wrote to memory of 1472	1284	cmd.exe	timeout.exe
PID 1284 wrote to memory of 1472	1284	cmd.exe	timeout.exe
PID 1284 wrote to memory of 1472	1284	cmd.exe	timeout.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1524	1088	joex.exe	joex.exe
PID 1088 wrote to memory of 1800	1088	joex.exe	WerFault.exe
PID 1088 wrote to memory of 1800	1088	joex.exe	WerFault.exe
PID 1088 wrote to memory of 1800	1088	joex.exe	WerFault.exe
PID 1088 wrote to memory of 1800	1088	joex.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\joex.exe
"C:\Users\Admin\AppData\Local\Temp\joex.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1088

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:1472

C:\Users\Admin\AppData\Local\Temp\joex.exe
"C:\Users\Admin\AppData\Local\Temp\joex.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 1228
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1800

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/1088-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1088-3-0x0000000001320000-0x0000000001321000-memory.dmp

Filesize
4KB

Download
memory/1088-5-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1088-6-0x0000000004E00000-0x0000000004E01000-memory.dmp

Filesize
4KB

Download
memory/1088-7-0x0000000000520000-0x0000000000567000-memory.dmp

Filesize
284KB

Download
memory/1284-8-0x0000000000000000-mapping.dmp

Download
memory/1472-9-0x0000000000000000-mapping.dmp

Download
memory/1524-11-0x00000000004374AE-mapping.dmp

Download
memory/1524-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-12-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1524-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1524-17-0x0000000004B50000-0x0000000004B51000-memory.dmp

Filesize
4KB

Download
memory/1524-21-0x0000000004B51000-0x0000000004B52000-memory.dmp

Filesize
4KB

Download
memory/1800-15-0x0000000000000000-mapping.dmp

Download
memory/1800-16-0x0000000001E80000-0x0000000001E91000-memory.dmp

Filesize
68KB

Download
memory/1800-18-0x0000000002580000-0x0000000002591000-memory.dmp

Filesize
68KB

Download
memory/1800-20-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads