agenttesla | 7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9 | Triage

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:52

Sharing

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General

Target

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe
Size

1024KB
MD5

a55346fa83c52c493449dda9edd8ec25
SHA1

5352b64fa109dea372f68412c0b2d0b2096371db
SHA256

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9
SHA512

fd20b06326b1172dbef6786d45f52c7186d1c32038c6931ee8d47691f017808f5800fb1cc010db7261f15f6e0cc26300fc3a0a351d82219e412c8d9c6063bbf9
SSDEEP

24576:0AHnh+eWsN3skA4RV1Hom2KXMmHasgwqspfLb+GrBC5:Dh+ZkldoPK8Yas/XDv6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.corpsa.net
Port:
21
Username:
[email protected]
Password:
-E~O8rekW5UT

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Detect packed .NET executables. Mostly AgentTeslaV4. 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3020-11-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/3020-17-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/3020-20-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/3020-14-0x0000000000090000-0x00000000000D2000-memory.dmp	INDICATOR_EXE_Packed_GEN01

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

description	pid	process	target process
PID 2992 set thread context of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

3020 RegSvcs.exe
3020 RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

pid	process
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3020 RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

pid	process
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

pid	process
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe
2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe

description	pid	process	target process
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe
PID 2992 wrote to memory of 3020	2992	7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe
"C:\Users\Admin\AppData\Local\Temp\7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2992

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\7e6b0abf06d4060bb722a3d7d4f06f8821f83ab32995ff39ca673449a951f6e9.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3020

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2992-10-0x0000000000160000-0x0000000000164000-memory.dmp

Filesize
16KB

Download
memory/3020-11-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3020-17-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3020-20-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3020-14-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/3020-21-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3020-22-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-23-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/3020-24-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download