agenttesla | 7ba3600217b45900a21c6f77ed30c82234c7700bfab1148729ec9fa65f743e64

General

Target

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
Size

568KB
MD5

28ff0404e84b92de1d429bc4371b0b46
SHA1

c7882a606d73af5148b161cd346f41db8520b29d
SHA256

7ba3600217b45900a21c6f77ed30c82234c7700bfab1148729ec9fa65f743e64
SHA512

ea1e0b0887b4fe0c014b2381310f787bcfd1042dfda76211fdeff975ebfc6edef84232b1347d1cee13773c73850e5cd73bcb6f58dae9c49f0016a52481a06e94
SSDEEP

12288:5s/phMhSB6MiRGSuP8LH/pjpNQjyaKtgmGaTEDisTSJVTTpI1K5bm:AjrBaLpuaYLuJ5tI1

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.timsonlogisticske.com
Port:
587
Username:
[email protected]
Password:
timsam2015

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1544-11-0x0000000000400000-0x000000000043C000-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-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe

description pid process target process

PID 3496 set thread context of 1544 3496 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 3496 set thread context of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exeRegSvcs.exe

pid	process
3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
1544	RegSvcs.exe
1544	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3496 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
Token: SeDebugPrivilege 1544 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
Token: SeDebugPrivilege	1544	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe

description	pid	process	target process
PID 3496 wrote to memory of 4824	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 4824	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 4824	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 3496 wrote to memory of 1544	3496	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\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-1-5-21-3270530367-132075249-2153716227-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3496

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:4824

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:1544

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/1544-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1544-24-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/1544-23-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/1544-22-0x0000000006B30000-0x0000000006B80000-memory.dmp

Filesize
320KB

Download
memory/1544-20-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/1544-19-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/1544-17-0x0000000006740000-0x00000000067A6000-memory.dmp

Filesize
408KB

Download
memory/1544-16-0x0000000005960000-0x0000000005978000-memory.dmp

Filesize
96KB

Download
memory/1544-15-0x0000000005990000-0x00000000059A0000-memory.dmp

Filesize
64KB

Download
memory/1544-14-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-5-0x0000000005610000-0x000000000561A000-memory.dmp

Filesize
40KB

Download
memory/3496-10-0x0000000006B80000-0x0000000006C02000-memory.dmp

Filesize
520KB

Download
memory/3496-13-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-9-0x00000000069E0000-0x0000000006A7C000-memory.dmp

Filesize
624KB

Download
memory/3496-8-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/3496-7-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download
memory/3496-6-0x00000000058B0000-0x00000000058BA000-memory.dmp

Filesize
40KB

Download
memory/3496-0-0x0000000000BC0000-0x0000000000C54000-memory.dmp

Filesize
592KB

Download
memory/3496-4-0x00000000058C0000-0x00000000058D0000-memory.dmp

Filesize
64KB

Download
memory/3496-3-0x0000000005680000-0x0000000005712000-memory.dmp

Filesize
584KB

Download
memory/3496-2-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/3496-1-0x00000000744F0000-0x0000000074CA0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads