agenttesla | ee279c6b7a4debbd93a6aea65ad694d611fd54865a4af2afe304a284d13fa633

Analysis

max time kernel
136s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 22:58

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General

Target

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
Size

395KB
MD5

6c8b4064ab664708e7723cb1aad27294
SHA1

2d525542f95fdc8a4a93793f5780101ae65ce5fa
SHA256

ee279c6b7a4debbd93a6aea65ad694d611fd54865a4af2afe304a284d13fa633
SHA512

57eabf864ebaa9b1265b23077c0b11c1b79a7f27e632ff8c755a153765423119526fc63077452bd452c4b9236668c8ce331b4fd96fb751e215e8e73939cd70a0
SSDEEP

6144:wJZj3XBjlkq27zgxR3pB/PtLwag4j1vkF5vaa2HjUSpu:4zZo7cv5BXdwafkFVaRH

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot1160330796:AAF3SAwgW-OTi9M5kDhSZUlENwhKRvFOWe8/sendDocument

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/856-207-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

856 AddInProcess32.exe
Loads dropped DLL 1 IoCs

Processes:

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe

pid process

3144 6c8b4064ab664708e7723cb1aad27294_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

pid	process
856	AddInProcess32.exe

pid	process
3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

AddInProcess32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\GnWfumZ = "C:\\Users\\Admin\\AppData\\Roaming\\GnWfumZ\\GnWfumZ.exe"	AddInProcess32.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

66 api.ipify.org
67 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe

description pid process target process

PID 3144 set thread context of 856 3144 6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe AddInProcess32.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exeAddInProcess32.exe

pid process

3144 6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
856 AddInProcess32.exe
856 AddInProcess32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exeAddInProcess32.exe

description pid process

Token: SeDebugPrivilege 3144 6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
Token: SeDebugPrivilege 856 AddInProcess32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

856 AddInProcess32.exe

flow	ioc
66	api.ipify.org
67	api.ipify.org

description	pid	process	target process
PID 3144 set thread context of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe

pid	process
3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
856	AddInProcess32.exe
856	AddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
Token: SeDebugPrivilege	856	AddInProcess32.exe

pid	process
856	AddInProcess32.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe

description	pid	process	target process
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe
PID 3144 wrote to memory of 856	3144	6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe	AddInProcess32.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6c8b4064ab664708e7723cb1aad27294_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:856

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\a6a0b8a6-4761-4357-9a31-0eca6ad70093\f.dll
Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
memory/856-206-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/856-207-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/856-208-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/856-217-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/856-216-0x0000000007080000-0x000000000708A000-memory.dmp

Filesize
40KB

Download
memory/856-215-0x0000000007030000-0x0000000007080000-memory.dmp

Filesize
320KB

Download
memory/856-214-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/856-211-0x00000000066C0000-0x0000000006726000-memory.dmp

Filesize
408KB

Download
memory/856-210-0x0000000006610000-0x0000000006628000-memory.dmp

Filesize
96KB

Download
memory/856-209-0x0000000005A20000-0x0000000005ABC000-memory.dmp

Filesize
624KB

Download
memory/3144-44-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-28-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-74-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-70-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-68-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-67-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-64-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-62-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-60-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-58-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-56-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-54-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-52-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-50-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-48-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-46-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-72-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-42-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-38-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-36-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-34-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-32-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-30-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-76-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-26-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-24-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-22-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-14-0x000000006FF00000-0x000000006FF89000-memory.dmp

Filesize
548KB

Download
memory/3144-15-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-40-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-20-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-18-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-16-0x0000000002850000-0x0000000002875000-memory.dmp

Filesize
148KB

Download
memory/3144-195-0x00000000752BE000-0x00000000752BF000-memory.dmp

Filesize
4KB

Download
memory/3144-196-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/3144-197-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/3144-5-0x0000000004ED0000-0x0000000004F14000-memory.dmp

Filesize
272KB

Download
memory/3144-6-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/3144-3-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download
memory/3144-4-0x0000000005550000-0x0000000005AF4000-memory.dmp

Filesize
5.6MB

Download
memory/3144-2-0x0000000002850000-0x000000000287C000-memory.dmp

Filesize
176KB

Download
memory/3144-1-0x0000000000480000-0x00000000004EA000-memory.dmp

Filesize
424KB

Download
memory/3144-0-0x00000000752BE000-0x00000000752BF000-memory.dmp

Filesize
4KB

Download
memory/3144-199-0x0000000006B80000-0x0000000006B8C000-memory.dmp

Filesize
48KB

Download
memory/3144-205-0x00000000752B0000-0x0000000075A60000-memory.dmp

Filesize
7.7MB

Download