agenttesla | 3123af93014a5a5c49aa6fd2118f6805041af178c222be27e30b2fd477085c19

Resubmissions

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

06-08-2024 12:52

06-08-2024 12:29

06-08-2024 12:26

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-08-2024 21:57

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General

Target

1/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe
Size

1.0MB
MD5

631e3c5465349fdfd6fc2fbe9c15cf65
SHA1

af9e5b3d8ca4b6c64b69876b9cad6a18476f0168
SHA256

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f
SHA512

31c6c58a5ec3d26e67a20f46df689fcfe69e90dffeaa36183630cc2cfa20d7fc07e19efe551f65f9606e435e26e2daf50b2275ee4b1cd7ab6b3641bef1552b93
SSDEEP

24576:GAHnh+eWsN3skA4RV1Hom2KXMmHasvktOpBS5:hh+ZkldoPK8Yasvkt+2

Score

10^/10

agenttesla credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.suplementvases.com
Port:
587
Username:
[email protected]
Password:
E7ZNUnJZtzFPZfl
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
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

24 api.ipify.org
25 api.ipify.org
26 ip-api.com

flow	ioc
24	api.ipify.org
25	api.ipify.org
26	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

Processes:

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

description	pid	process	target process
PID 3828 set thread context of 2068	3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe	RegSvcs.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2996 3828 WerFault.exe 25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

pid	pid_target	process	target process
2996	3828	WerFault.exe	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

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

Processes:

RegSvcs.exe25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

2068 RegSvcs.exe
2068 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

pid process

3828 25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 2068 RegSvcs.exe

pid	process
2068	RegSvcs.exe
2068	RegSvcs.exe

pid	process
3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

description	pid	process
Token: SeDebugPrivilege	2068	RegSvcs.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe

description	pid	process	target process
PID 3828 wrote to memory of 2068	3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe	RegSvcs.exe
PID 3828 wrote to memory of 2068	3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe	RegSvcs.exe
PID 3828 wrote to memory of 2068	3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe	RegSvcs.exe
PID 3828 wrote to memory of 2068	3828	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe
"C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\1\25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2068
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3828 -s 628
  2⤵
  - Program crash
  PID:2996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 3828 -ip 3828
1⤵
PID:4872

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

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2068-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2068-12-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download
memory/2068-13-0x0000000005A00000-0x0000000005FA4000-memory.dmp

Filesize
5.6MB

Download
memory/2068-14-0x0000000005650000-0x00000000056B6000-memory.dmp

Filesize
408KB

Download
memory/2068-15-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/2068-16-0x0000000006AE0000-0x0000000006B30000-memory.dmp

Filesize
320KB

Download
memory/2068-17-0x0000000006BD0000-0x0000000006C62000-memory.dmp

Filesize
584KB

Download
memory/2068-18-0x0000000006B60000-0x0000000006B6A000-memory.dmp

Filesize
40KB

Download
memory/2068-19-0x0000000073F3E000-0x0000000073F3F000-memory.dmp

Filesize
4KB

Download
memory/2068-20-0x0000000073F30000-0x00000000746E0000-memory.dmp

Filesize
7.7MB

Download
memory/3828-10-0x0000000000E70000-0x0000000000E74000-memory.dmp

Filesize
16KB

Download