agenttesla | bab2c1d1ae18b242e7af227b02a909c9c46eb67723c76e7cd560b6cb3ad80907

General

Target

0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
Size

388KB
MD5

0aa83d38a0a921f55fc7dfe5196ea0ba
SHA1

f4a98f3ae0d72390e500cdbf03ce738f065e07e8
SHA256

bab2c1d1ae18b242e7af227b02a909c9c46eb67723c76e7cd560b6cb3ad80907
SHA512

dc93fd468a83e0f276c5aa6059c31be61afcb78a775313bf6d909c7444fd7f67e6aa1b76b61c8235cf3e229de76bdb51f65f149098306b62afc95cc993733922
SSDEEP

12288:90tbSBktjT9l6dUMNQUmoQZz++uDAGGWVG:2+Bk1T2HNhfay+usac

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:
info@timsonlogisticske.com
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/5008-11-0x0000000000400000-0x000000000043C000-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-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe

description pid process target process

PID 4080 set thread context of 5008 4080 0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exeRegSvcs.exe

pid process

4080 0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
4080 0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
5008 RegSvcs.exe
5008 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4080 0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
Token: SeDebugPrivilege 5008 RegSvcs.exe

description	pid	process	target process
PID 4080 set thread context of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe

pid	process
4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
5008	RegSvcs.exe
5008	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
Token: SeDebugPrivilege	5008	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe

description	pid	process	target process
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe
PID 4080 wrote to memory of 5008	4080	0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0aa83d38a0a921f55fc7dfe5196ea0ba_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4080

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:5008

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/4080-10-0x0000000006420000-0x0000000006480000-memory.dmp

Filesize
384KB

Download
memory/4080-2-0x0000000005330000-0x00000000058D4000-memory.dmp

Filesize
5.6MB

Download
memory/4080-1-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp

Filesize
584KB

Download
memory/4080-4-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/4080-5-0x0000000004EA0000-0x0000000004EAA000-memory.dmp

Filesize
40KB

Download
memory/4080-6-0x0000000005100000-0x000000000510A000-memory.dmp

Filesize
40KB

Download
memory/4080-7-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-13-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/4080-9-0x0000000006380000-0x000000000641C000-memory.dmp

Filesize
624KB

Download
memory/4080-8-0x0000000004C80000-0x0000000004C90000-memory.dmp

Filesize
64KB

Download
memory/4080-0-0x00000000002D0000-0x0000000000338000-memory.dmp

Filesize
416KB

Download
memory/5008-24-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/5008-14-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/5008-15-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/5008-16-0x0000000005410000-0x0000000005428000-memory.dmp

Filesize
96KB

Download
memory/5008-17-0x0000000006180000-0x00000000061E6000-memory.dmp

Filesize
408KB

Download
memory/5008-19-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download
memory/5008-20-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/5008-22-0x00000000065F0000-0x0000000006640000-memory.dmp

Filesize
320KB

Download
memory/5008-23-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/5008-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads