agenttesla | 316bfa32be249c34cb0c9c8d04eb9dda58255f1aea09e9fa7cf45fee0fc6c2d9 | Triage

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240319-en
resource tags

arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
submitted
29-03-2024 23:48

Sharing

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General

Target

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
Size

534KB
MD5

2eb311f782cc74045ab059afed12e6c6
SHA1

16774fbdeee1609424b7f89fd8700839aae096dc
SHA256

316bfa32be249c34cb0c9c8d04eb9dda58255f1aea09e9fa7cf45fee0fc6c2d9
SHA512

fab24e66e235e48d0bb1804d19661981fb18b2d38e6a8937c98d7a00709a7365bf8149f8b0646fdf72118042f14c2dfdf54d41696f3068ea2a76ddabf7cc2012
SSDEEP

12288:XefxQNjTSjT7vlnU9ZeOLFDpnNcdO8Ggc1CU1z6QoIwyHiq1uruLKqHI0htDA+ta:XuRq+Dwp3HesYzal+ReVq

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.comansi.com
Port:
587
Username:
[email protected]
Password:
JUGuete$2021
Email To:
[email protected]

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/4068-11-0x0000000000400000-0x000000000043C000-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

Email Collection

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description	pid	process	target process
PID 3964 set thread context of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

pid	process
4068	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
4068	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
4068	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4068 2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description	pid	process	target process
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
PID 3964 wrote to memory of 4068	3964	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3964

C:\Users\Admin\AppData\Local\Temp\2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4068

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=3760 --field-trial-handle=2264,i,1475924722205134884,16549311107360026087,262144 --variations-seed-version /prefetch:8
1⤵
PID:2468

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Credentials in Registry

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2eb311f782cc74045ab059afed12e6c6_JaffaCakes118.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3964-10-0x000000000C130000-0x000000000C190000-memory.dmp

Filesize
384KB

Download
memory/3964-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3964-3-0x0000000006F60000-0x0000000006FF2000-memory.dmp

Filesize
584KB

Download
memory/3964-4-0x0000000006F50000-0x0000000006F60000-memory.dmp

Filesize
64KB

Download
memory/3964-5-0x0000000007030000-0x000000000703A000-memory.dmp

Filesize
40KB

Download
memory/3964-6-0x0000000007A30000-0x0000000007A3E000-memory.dmp

Filesize
56KB

Download
memory/3964-7-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3964-9-0x000000000C030000-0x000000000C0CC000-memory.dmp

Filesize
624KB

Download
memory/3964-1-0x0000000000060000-0x00000000000EC000-memory.dmp

Filesize
560KB

Download
memory/3964-2-0x0000000007430000-0x00000000079D4000-memory.dmp

Filesize
5.6MB

Download
memory/3964-8-0x0000000006F50000-0x0000000006F60000-memory.dmp

Filesize
64KB

Download
memory/3964-0-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4068-14-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4068-19-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4068-15-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/4068-17-0x0000000005B10000-0x0000000005B28000-memory.dmp

Filesize
96KB

Download
memory/4068-18-0x00000000063B0000-0x0000000006416000-memory.dmp

Filesize
408KB

Download
memory/4068-21-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/4068-20-0x00000000057B0000-0x00000000057C0000-memory.dmp

Filesize
64KB

Download
memory/4068-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download