agenttesla | 155fd2e71fa6a2962d5353bc3a2c307b06fc6b04ad205f50733e6e0e635c09ec

General

Target

DO2001399_pdf.exe
Size

16KB
MD5

98b3084239191f071af134303a3c7d75
SHA1

f6df381c2328237993afff623d10427192af1bfb
SHA256

155fd2e71fa6a2962d5353bc3a2c307b06fc6b04ad205f50733e6e0e635c09ec
SHA512

c66cf91f2924b0ff6d611088a2e087b72e7221e3efc4ed54372d2a0002fa0c335ef7c1d7e250637bbdf01fe3ff6aa8acb9dd197bb9a2444db2327593f508d51b

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.soonlogistics.com
Port:
587
Username:
[email protected]
Password:
admin6640!

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/420-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral2/memory/420-14-0x0000000000446C9E-mapping.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:

DO2001399_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	DO2001399_pdf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs

Processes:

DO2001399_pdf.exe

pid	process
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DO2001399_pdf.exe

description pid process target process

PID 988 set thread context of 420 988 DO2001399_pdf.exe DO2001399_pdf.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

1644 988 WerFault.exe DO2001399_pdf.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3680 timeout.exe

description	pid	process	target process
PID 988 set thread context of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe

pid	pid_target	process	target process
1644	988	WerFault.exe	DO2001399_pdf.exe

pid	process
3680	timeout.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

DO2001399_pdf.exeWerFault.exeDO2001399_pdf.exe

pid	process
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
988	DO2001399_pdf.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
1644	WerFault.exe
420	DO2001399_pdf.exe
420	DO2001399_pdf.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

DO2001399_pdf.exeWerFault.exeDO2001399_pdf.exe

description	pid	process
Token: SeDebugPrivilege	988	DO2001399_pdf.exe
Token: SeRestorePrivilege	1644	WerFault.exe
Token: SeBackupPrivilege	1644	WerFault.exe
Token: SeDebugPrivilege	1644	WerFault.exe
Token: SeDebugPrivilege	420	DO2001399_pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DO2001399_pdf.exe

pid process

420 DO2001399_pdf.exe

pid	process
420	DO2001399_pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

DO2001399_pdf.execmd.exe

description	pid	process	target process
PID 988 wrote to memory of 3052	988	DO2001399_pdf.exe	cmd.exe
PID 988 wrote to memory of 3052	988	DO2001399_pdf.exe	cmd.exe
PID 988 wrote to memory of 3052	988	DO2001399_pdf.exe	cmd.exe
PID 3052 wrote to memory of 3680	3052	cmd.exe	timeout.exe
PID 3052 wrote to memory of 3680	3052	cmd.exe	timeout.exe
PID 3052 wrote to memory of 3680	3052	cmd.exe	timeout.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 988 wrote to memory of 420	988	DO2001399_pdf.exe	DO2001399_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:3052

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:3680

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 988 -s 1836
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/420-21-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/420-22-0x0000000005A70000-0x0000000005A71000-memory.dmp

Filesize
4KB

Download
memory/420-14-0x0000000000446C9E-mapping.dmp

Download
memory/420-15-0x0000000073310000-0x00000000739FE000-memory.dmp

Filesize
6.9MB

Download
memory/420-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/420-25-0x0000000006B00000-0x0000000006B01000-memory.dmp

Filesize
4KB

Download
memory/420-24-0x0000000006B70000-0x0000000006B71000-memory.dmp

Filesize
4KB

Download
memory/420-23-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/420-26-0x00000000056B1000-0x00000000056B2000-memory.dmp

Filesize
4KB

Download
memory/988-5-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/988-6-0x00000000071D0000-0x00000000071D1000-memory.dmp

Filesize
4KB

Download
memory/988-2-0x0000000073310000-0x00000000739FE000-memory.dmp

Filesize
6.9MB

Download
memory/988-3-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/988-12-0x0000000008D90000-0x0000000008D91000-memory.dmp

Filesize
4KB

Download
memory/988-9-0x00000000051A0000-0x00000000051F6000-memory.dmp

Filesize
344KB

Download
memory/1644-19-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/3052-10-0x0000000000000000-mapping.dmp

Download
memory/3680-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads