agenttesla | 066a2a8fc33e9061317c324584fa20f45359b743caf41d54885554d1fe9b924b

General

Target

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
Size

694KB
MD5

f8b96f721fc20f61ae9becc6b8859d4d
SHA1

cbdf4e9d755539f7148d7fc9183a9b7a15a2e0d1
SHA256

066a2a8fc33e9061317c324584fa20f45359b743caf41d54885554d1fe9b924b
SHA512

fccd4b69b8c16c1f1ab6c067e0123e507235c0b5beac44556014170b057bac97d6e786b0d88dd0b43887835102e1bf8280cec50a6e5ead0598c049a7bbc8a86b
SSDEEP

12288:qhvJIyDzxssh7SFMktGtqB29Ie7xgaHih7INeS/LJgDSs0:imyDF5lSqe0qB29Ie7rHihsNeeVvs

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.topfrozenfoodbrand.com
Port:
587
Username:
cuenta@topfrozenfoodbrand.com
Password:
Everest10account
Email To:
account@topfrozenfoodbrand.com

Signatures

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

AgentTesla payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2200-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2200-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2200-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2200-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2200-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2200-21-0x0000000004CF0000-0x0000000004D30000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	pid	process	target process
PID 1692 set thread context of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2308 2200 WerFault.exe f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

pid	pid_target	process	target process
2308	2200	WerFault.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exef8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

pid	process
1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exef8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
Token: SeDebugPrivilege	2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exef8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	pid	process	target process
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 1692 wrote to memory of 2200	1692	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
PID 2200 wrote to memory of 2308	2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 2308	2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 2308	2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	WerFault.exe
PID 2200 wrote to memory of 2308	2200	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8b96f721fc20f61ae9becc6b8859d4d_JaffaCakes118.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 1052
3⤵
- Program crash
PID:2308

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/1692-0-0x0000000001340000-0x00000000013F4000-memory.dmp

Filesize
720KB

Download
memory/1692-1-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/1692-2-0x0000000004F40000-0x0000000004F80000-memory.dmp

Filesize
256KB

Download
memory/1692-3-0x0000000000450000-0x0000000000468000-memory.dmp

Filesize
96KB

Download
memory/1692-4-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/1692-5-0x0000000004F40000-0x0000000004F80000-memory.dmp

Filesize
256KB

Download
memory/1692-6-0x0000000005C90000-0x0000000005D14000-memory.dmp

Filesize
528KB

Download
memory/1692-18-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2200-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2200-20-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-21-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/2200-22-0x0000000074390000-0x0000000074A7E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-23-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads