agenttesla | c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad

General

Target

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Size

723KB
MD5

1c83d78c1969a7ebc3deaa1990c9dc9e
SHA1

2918dc3b764c8c60d0fb64f8bc54bf4f92ba1f0f
SHA256

c39785b91858501d961c57f85b4c28fc6e674fc68f40244ecbc649870fa749ad
SHA512

9250a4adf4f43ba422988acbf8447133890b0cbfb650e2ac3e9d7a4a5892c0c2bb61801a156450440c20f1017b68d7a2aca907e15372fc631d983eb59d7d4b4b
SSDEEP

12288:QoQEWqEtJPwMSrmNeJgfV3jPzt9eZaxFrPUuN+JQVU:FhEtJPFSr32fV3dAcx1PUuNfU

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
[email protected]
Password:
K@maR1-2019Hotelss

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/2672-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2672-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2672-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2672-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2672-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2672-25-0x00000000006D0000-0x0000000000710000-memory.dmp	family_agenttesla
behavioral1/memory/2672-28-0x00000000006D0000-0x0000000000710000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	pid	process	target process
PID 1888 set thread context of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

pid	process
1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
2672	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
2672	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

pid process

2672 1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

pid	process
2672	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
Token: SeDebugPrivilege	2672	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	pid	process	target process
PID 1888 wrote to memory of 2676	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2676	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2676	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2676	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
PID 1888 wrote to memory of 2672	1888	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
"{path}"
2⤵
PID:2676

C:\Users\Admin\AppData\Local\Temp\1c83d78c1969a7ebc3deaa1990c9dc9e_JaffaCakes118.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2672

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1888-22-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/1888-2-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1888-0-0x0000000000860000-0x000000000091C000-memory.dmp

Filesize
752KB

Download
memory/1888-3-0x00000000004D0000-0x00000000004E4000-memory.dmp

Filesize
80KB

Download
memory/1888-4-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/1888-5-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1888-6-0x0000000004C00000-0x0000000004C86000-memory.dmp

Filesize
536KB

Download
memory/1888-7-0x0000000002090000-0x00000000020CC000-memory.dmp

Filesize
240KB

Download
memory/1888-1-0x00000000747B0000-0x0000000074E9E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-30-0x00000000006D0000-0x0000000000710000-memory.dmp

Filesize
256KB

Download
memory/2672-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2672-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-24-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-25-0x00000000006D0000-0x0000000000710000-memory.dmp

Filesize
256KB

Download
memory/2672-27-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/2672-28-0x00000000006D0000-0x0000000000710000-memory.dmp

Filesize
256KB

Download
memory/2672-29-0x00000000006D0000-0x0000000000710000-memory.dmp

Filesize
256KB

Download
memory/2672-18-0x0000000000400000-0x000000000043C000-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