agenttesla | 252000fc9c9a045eaf95df97586560bdd0c54dccb2de64fe2197d0a4b4069b0b

General

Target

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
Size

399KB
MD5

3fa704055adc942da4b007babceeffbc
SHA1

9505a1601f65f227167aafee101c1dd042e8d3eb
SHA256

252000fc9c9a045eaf95df97586560bdd0c54dccb2de64fe2197d0a4b4069b0b
SHA512

8ebf40c90f7c853a4c5ccc68becf50ff31ff4188188c08066810ff1d0ed063c6cc6f5223982ca0f277ee9450b49405d65dfe593ef32653fa1b184b1d3d024601
SSDEEP

12288:8gSB31kgvUjSkSMm4BrxhLGEdylu5BqdlIxH:gB3GgcjSCm4pxceUufMl

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lahaciendamontericogrande.com.pe
Port:
587
Username:
[email protected]
Password:
e$$

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/3256-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 3fa704055adc942da4b007babceeffbc_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	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	pid	process	target process
PID 2112 set thread context of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

pid	process
2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
3256	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
3256	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
3256	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
Token: SeDebugPrivilege	3256	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	pid	process	target process
PID 2112 wrote to memory of 232	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 232	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 232	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
PID 2112 wrote to memory of 3256	2112	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112

C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe"
2⤵
PID:232

C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3fa704055adc942da4b007babceeffbc_JaffaCakes118.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:3256

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3748 --field-trial-handle=2240,i,16875000905773190493,11379096115878622792,262144 --variations-seed-version /prefetch:8
1⤵
PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3fa704055adc942da4b007babceeffbc_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2112-10-0x0000000006550000-0x00000000065B0000-memory.dmp

Filesize
384KB

Download
memory/2112-5-0x0000000004DB0000-0x0000000004DBA000-memory.dmp

Filesize
40KB

Download
memory/2112-16-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-4-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/2112-0-0x0000000000380000-0x00000000003EA000-memory.dmp

Filesize
424KB

Download
memory/2112-6-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/2112-7-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-8-0x0000000002760000-0x0000000002770000-memory.dmp

Filesize
64KB

Download
memory/2112-9-0x0000000006310000-0x00000000063AC000-memory.dmp

Filesize
624KB

Download
memory/2112-1-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/2112-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/2112-2-0x0000000005480000-0x0000000005A24000-memory.dmp

Filesize
5.6MB

Download
memory/3256-14-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-15-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3256-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3256-17-0x0000000005100000-0x0000000005118000-memory.dmp

Filesize
96KB

Download
memory/3256-18-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/3256-20-0x00000000750F0000-0x00000000758A0000-memory.dmp

Filesize
7.7MB

Download
memory/3256-21-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download
memory/3256-23-0x0000000006270000-0x00000000062C0000-memory.dmp

Filesize
320KB

Download
memory/3256-24-0x0000000005130000-0x0000000005140000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads