agenttesla | a615aab871aec3a91dcc6f33f94a3b8b02d6033b5624fb392666fb3cfb3d114b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 06:00

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General

Target

Page1.exe
Size

784KB
MD5

02e06b3b97fc5955aa6717e6105e80c8
SHA1

c9e9e3ddf3fb4617b5044fac7fbce9dca78e531c
SHA256

a615aab871aec3a91dcc6f33f94a3b8b02d6033b5624fb392666fb3cfb3d114b
SHA512

ff4d0c30342b8d4138f85995cc391161986894cbd466ccc16921b8b7b04b093f2233ea8fd3bdfcc4fdf1e391518863d29f9ff48fc55bc206dc133dbd599c9ca3
SSDEEP

12288:NmHANG3RciXOT44AU3LBOQznSifmmMLQFGOL907i4y/tspQrhEgTmLREAgnWY:QHxcKfQVMLQzmu4kts+KrahW

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
oadc jzrw bmvr klnl

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
oadc jzrw bmvr klnl
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Loads dropped DLL 11 IoCs

pid	Process
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.exe
3496	Page1.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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
31	api.ipify.org
32	api.ipify.org

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\spankingerne\Vidnesbyrd.Syn106	Page1.exe
File created	C:\Windows\SysWOW64\Dogmefastes.lnk	Page1.exe
File opened for modification	C:\Windows\SysWOW64\Dogmefastes.lnk	Page1.exe

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3892	Page1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3496	Page1.exe
3892	Page1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3496 set thread context of 3892	3496	Page1.exe	96

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\eudaemons.ini	Page1.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\resources\sygelejet\devested.per	Page1.exe
File opened for modification	C:\Windows\totlafholdenhedens\Sagittaries.ini	Page1.exe
File opened for modification	C:\Windows\resources\0409\Opkomlinge\undersluice.yed	Page1.exe
File opened for modification	C:\Windows\resources\lizis\seadromes.ett	Page1.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Page1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Page1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3892	Page1.exe
3892	Page1.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3496	Page1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3892	Page1.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 3892	3496	Page1.exe	96
PID 3496 wrote to memory of 3892	3496	Page1.exe	96
PID 3496 wrote to memory of 3892	3496	Page1.exe	96
PID 3496 wrote to memory of 3892	3496	Page1.exe	96
PID 3496 wrote to memory of 3892	3496	Page1.exe	96

C:\Users\Admin\AppData\Local\Temp\Page1.exe
"C:\Users\Admin\AppData\Local\Temp\Page1.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\Page1.exe
  "C:\Users\Admin\AppData\Local\Temp\Page1.exe"
  2⤵
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsbE263.tmp\LangDLL.dll

Filesize
5KB

MD5
f1e9eed02db3a822a7ddef0c724e5f1f

SHA1
65864992f5b6c79c5efbefb5b1354648a8a86709

SHA256
6dff504c6759c418c6635c9b25b8c91d0d9ef7787a3a93610d7670bb563c09df

SHA512
c22b64fff76b25cf53231b8636f07b361d95791c4646787ce7beac27ad6a0de88337dcceb25b5196f97c452dda72e2614647f51a8a18cb4d5228a82ed2e0780c

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsbE263.tmp\System.dll

Filesize
11KB

MD5
17ed1c86bd67e78ade4712be48a7d2bd

SHA1
1cc9fe86d6d6030b4dae45ecddce5907991c01a0

SHA256
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

SHA512
0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

Download Submit
C:\Users\Public\Pictures\Milliluxes.lnk

Filesize
988B

MD5
97f4e32d316ee2481d16cf4ce67734a8

SHA1
6bd126ce33c84d55482fd2d4f4c2714539733c3c

SHA256
53324f189fe02abf6a0e06ba6df4a86fa2a96d8531eb4029014353af5a0cccc5

SHA512
7e81b6badadcb12788fc8e9bff5768bf424cd9db9518fe2cd6647208e836ed7725cce6e66d26ac917f54815b067902eff601a4dafb18e07a45aa895b6fe1fd4b

Download Submit
C:\Windows\SysWOW64\Dogmefastes.lnk

Filesize
1KB

MD5
11f87f33957e35a8e8acbcb6e00c6fbc

SHA1
f3c2a2f46ad1eac0b8e3f2927aca49fdc0940723

SHA256
57326402c9134e8257d68e156d759a2df148872d11202e0c8f839bb29427d55d

SHA512
a9e49f4f55b78abcba0a047ae56ea12e6f3c793384beef77bc3ce216b275a2132d9de4fb53599a8a127a151ff55ca58bebb047603b334d7e66756fc0608bac57

Download Submit
memory/3496-633-0x0000000077431000-0x0000000077551000-memory.dmp

Filesize
1.1MB

Download
memory/3496-635-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/3496-634-0x0000000077431000-0x0000000077551000-memory.dmp

Filesize
1.1MB

Download
memory/3892-638-0x00000000004C0000-0x0000000001714000-memory.dmp

Filesize
18.3MB

Download
memory/3892-643-0x0000000037840000-0x00000000378A6000-memory.dmp

Filesize
408KB

Download
memory/3892-639-0x0000000077431000-0x0000000077551000-memory.dmp

Filesize
1.1MB

Download
memory/3892-636-0x00000000774B8000-0x00000000774B9000-memory.dmp

Filesize
4KB

Download
memory/3892-640-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/3892-641-0x00000000004C0000-0x0000000000504000-memory.dmp

Filesize
272KB

Download
memory/3892-642-0x0000000037270000-0x0000000037814000-memory.dmp

Filesize
5.6MB

Download
memory/3892-637-0x00000000774D5000-0x00000000774D6000-memory.dmp

Filesize
4KB

Download
memory/3892-644-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

Download
memory/3892-646-0x0000000038300000-0x0000000038350000-memory.dmp

Filesize
320KB

Download
memory/3892-647-0x0000000038360000-0x00000000383FC000-memory.dmp

Filesize
624KB

Download
memory/3892-648-0x0000000038480000-0x0000000038512000-memory.dmp

Filesize
584KB

Download
memory/3892-649-0x0000000038570000-0x000000003857A000-memory.dmp

Filesize
40KB

Download
memory/3892-650-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/3892-651-0x0000000074160000-0x0000000074910000-memory.dmp

Filesize
7.7MB

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