agenttesla | de54f743f7013404a6b143790034fbdc9636f75dfb1d914c6c3176ade71d0e61

General

Target

000b20cafe3744650b7247750d511876_JaffaCakes118.exe
Size

532KB
MD5

000b20cafe3744650b7247750d511876
SHA1

08204bead740b34c4628daf7888ac0a10db4d146
SHA256

de54f743f7013404a6b143790034fbdc9636f75dfb1d914c6c3176ade71d0e61
SHA512

5669912fa0e06a2e1a34466973e3e6028a83cf0ea7fe64fb5cd79878cb3a2cae01533acdd31d17051bd0baa739804c0af1bd57b0e78367863227155fc50f2f45
SSDEEP

12288:U6GEEyLdRgd1pmAkw2TySu7v6rnq+8+qKNI9:UadRqYH1u7ij98+I

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
uscentral50.myserverhosts.com
Port:
587
Username:
sales@radheatwaters.com
Password:
waters@789

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/4076-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4076-20-0x0000000005780000-0x0000000005790000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

000b20cafe3744650b7247750d511876_JaffaCakes118.exe

description pid process target process

PID 3124 set thread context of 4076 3124 000b20cafe3744650b7247750d511876_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

000b20cafe3744650b7247750d511876_JaffaCakes118.exeRegSvcs.exe

pid process

3124 000b20cafe3744650b7247750d511876_JaffaCakes118.exe
3124 000b20cafe3744650b7247750d511876_JaffaCakes118.exe
4076 RegSvcs.exe
4076 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

000b20cafe3744650b7247750d511876_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3124 000b20cafe3744650b7247750d511876_JaffaCakes118.exe
Token: SeDebugPrivilege 4076 RegSvcs.exe

description	pid	process	target process
PID 3124 set thread context of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe

pid	process
3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe
3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe
4076	RegSvcs.exe
4076	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe
Token: SeDebugPrivilege	4076	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

000b20cafe3744650b7247750d511876_JaffaCakes118.exe

description	pid	process	target process
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe
PID 3124 wrote to memory of 4076	3124	000b20cafe3744650b7247750d511876_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\000b20cafe3744650b7247750d511876_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\000b20cafe3744650b7247750d511876_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4076

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/3124-10-0x000000000C120000-0x000000000C180000-memory.dmp

Filesize
384KB

Download
memory/3124-13-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3124-2-0x00000000074E0000-0x0000000007A84000-memory.dmp

Filesize
5.6MB

Download
memory/3124-3-0x0000000006F30000-0x0000000006FC2000-memory.dmp

Filesize
584KB

Download
memory/3124-4-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/3124-5-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

Filesize
40KB

Download
memory/3124-6-0x0000000007490000-0x000000000749E000-memory.dmp

Filesize
56KB

Download
memory/3124-0-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3124-8-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/3124-9-0x000000000BFD0000-0x000000000C06C000-memory.dmp

Filesize
624KB

Download
memory/3124-7-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/3124-1-0x0000000000010000-0x000000000009C000-memory.dmp

Filesize
560KB

Download
memory/4076-14-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4076-15-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/4076-16-0x00000000059D0000-0x00000000059E8000-memory.dmp

Filesize
96KB

Download
memory/4076-17-0x00000000065A0000-0x0000000006606000-memory.dmp

Filesize
408KB

Download
memory/4076-19-0x0000000075110000-0x00000000758C0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-20-0x0000000005780000-0x0000000005790000-memory.dmp

Filesize
64KB

Download
memory/4076-22-0x0000000001580000-0x00000000015D0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads