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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2648-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2648-24-0x0000000000BB0000-0x0000000000BF0000-memory.dmp	family_agenttesla
behavioral1/memory/2648-27-0x0000000000BB0000-0x0000000000BF0000-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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\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 2408 set thread context of 2648 2408 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exeRegSvcs.exe

pid process

2408 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
2408 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
2648 RegSvcs.exe
2648 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2408 28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
Token: SeDebugPrivilege 2648 RegSvcs.exe

description	pid	process	target process
PID 2408 set thread context of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe

pid	process
2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
2648	RegSvcs.exe
2648	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe
Token: SeDebugPrivilege	2648	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe

description	pid	process	target process
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe
PID 2408 wrote to memory of 2648	2408	28ff0404e84b92de1d429bc4371b0b46_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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-1-5-21-3627615824-4061627003-3019543961-1000\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:2408

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:2648

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2408-0-0x0000000000E60000-0x0000000000EF4000-memory.dmp

Filesize
592KB

Download
memory/2408-1-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-2-0x0000000000AC0000-0x0000000000B00000-memory.dmp

Filesize
256KB

Download
memory/2408-3-0x0000000000540000-0x000000000054A000-memory.dmp

Filesize
40KB

Download
memory/2408-4-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2408-5-0x0000000000AC0000-0x0000000000B00000-memory.dmp

Filesize
256KB

Download
memory/2408-6-0x00000000051C0000-0x0000000005242000-memory.dmp

Filesize
520KB

Download
memory/2408-22-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2648-23-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2648-24-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/2648-26-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2648-27-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/2648-29-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download
memory/2648-30-0x0000000000BB0000-0x0000000000BF0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads