agenttesla | a966049a6aae7074cbe4fc2a5d9d635a7e2f014b50ccfc18f21960fad954d84d

General

Target

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
Size

1.6MB
MD5

6e886d34eb989d51f7ca3435617aea39
SHA1

d6ceb38b675cd9c05d0c929b48f202ca6c8ea670
SHA256

a966049a6aae7074cbe4fc2a5d9d635a7e2f014b50ccfc18f21960fad954d84d
SHA512

e6838dbfcc151a709feaaddfdea262032d19d33e72fa1da126cdeee2c12d8e9ce962e04cd0e086b4f4b40cc096f14fd21263d948f4594867e1de4c9b3aa267d4
SSDEEP

24576:CAHnh+eWsN3skA4RV1Hom2KXSmdav1ONQP4s6CLOhkI393S0mo9QUg6yUJ9lAvo4:Fh+ZkldoPKi2avkDYL7y99QpUJI5

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.antolini.tk
Port:
587
Username:
[email protected]
Password:
chinyerewaga2019

Signatures

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

AgentTesla payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1736-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1736-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1736-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

description pid process target process

PID 2592 set thread context of 1736 2592 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1736 RegAsm.exe
1736 RegAsm.exe
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

pid process

2592 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
2592 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 1736 RegAsm.exe

description	pid	process	target process
PID 2592 set thread context of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe

pid	process
1736	RegAsm.exe
1736	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1736	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

pid	process
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

pid	process
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe

description	pid	process	target process
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 2120	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe
PID 2592 wrote to memory of 1736	2592	6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
PID:2120

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1736

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/1736-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1736-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1736-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1736-7-0x0000000074462000-0x0000000074464000-memory.dmp

Filesize
8KB

Download
memory/1736-8-0x0000000074462000-0x0000000074464000-memory.dmp

Filesize
8KB

Download
memory/2592-0-0x0000000000250000-0x0000000000296000-memory.dmp

Filesize
280KB

Download
memory/2592-1-0x0000000000B40000-0x0000000000B86000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads