agenttesla | b8745c6cc766aa6eee5ada198fcdfd1271ce91a03936a1f1f2d4d395052026c1

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 01:33

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General

Target

TRANSFERENCIA.exe
Size

1.1MB
MD5

e0c15954675c69af377b428d68e75cc5
SHA1

b06501c31d34eb48a7493e63d17b1a851499ff10
SHA256

878d5c3268d152cf35bd86af342b7ad31eb7f11e4971e8816007c8ba0ab50b48
SHA512

7d435c289f92e1c1a942203d1979c60fcc6e489fdfe2642704bff467b625e744225088bdea180ac2f3f198e5c5519363a7e11dda235c98df84226d90a76d313c
SSDEEP

24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8aTlIRtd7G3Bz:ATvC/MTQYxsWR7aTl2SR

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.crediperu.pe
Port:
587
Username:
[email protected]
Password:
Jfupuy02chung
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

29 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

TRANSFERENCIA.exe

description pid process target process

PID 2884 set thread context of 1064 2884 TRANSFERENCIA.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

1064 RegSvcs.exe
1064 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

TRANSFERENCIA.exe

pid process

2884 TRANSFERENCIA.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1064 RegSvcs.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

TRANSFERENCIA.exe

pid process

2884 TRANSFERENCIA.exe
2884 TRANSFERENCIA.exe
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

TRANSFERENCIA.exe

pid process

2884 TRANSFERENCIA.exe
2884 TRANSFERENCIA.exe

flow	ioc
29	ip-api.com

description	pid	process	target process
PID 2884 set thread context of 1064	2884	TRANSFERENCIA.exe	RegSvcs.exe

pid	process
1064	RegSvcs.exe
1064	RegSvcs.exe

pid	process
2884	TRANSFERENCIA.exe

description	pid	process
Token: SeDebugPrivilege	1064	RegSvcs.exe

pid	process
2884	TRANSFERENCIA.exe
2884	TRANSFERENCIA.exe

pid	process
2884	TRANSFERENCIA.exe
2884	TRANSFERENCIA.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

TRANSFERENCIA.exe

description	pid	process	target process
PID 2884 wrote to memory of 1064	2884	TRANSFERENCIA.exe	RegSvcs.exe
PID 2884 wrote to memory of 1064	2884	TRANSFERENCIA.exe	RegSvcs.exe
PID 2884 wrote to memory of 1064	2884	TRANSFERENCIA.exe	RegSvcs.exe
PID 2884 wrote to memory of 1064	2884	TRANSFERENCIA.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA.exe
"C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\TRANSFERENCIA.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1064

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

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1064-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1064-12-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/1064-13-0x0000000005C80000-0x0000000006224000-memory.dmp

Filesize
5.6MB

Download
memory/1064-14-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/1064-15-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/1064-17-0x0000000006A60000-0x0000000006AB0000-memory.dmp

Filesize
320KB

Download
memory/1064-18-0x0000000006B50000-0x0000000006BE2000-memory.dmp

Filesize
584KB

Download
memory/1064-19-0x0000000006AE0000-0x0000000006AEA000-memory.dmp

Filesize
40KB

Download
memory/1064-20-0x0000000073C70000-0x0000000074420000-memory.dmp

Filesize
7.7MB

Download
memory/1064-21-0x00000000055F0000-0x0000000005600000-memory.dmp

Filesize
64KB

Download
memory/2884-10-0x0000000001AD0000-0x0000000001AD4000-memory.dmp

Filesize
16KB

Download