agenttesla | 67bcd8b85406ff4a22839574c02879719a91e6e6f7e36c691bfa5b54dd6aa646

General

Target

quj5eQiH0pvKKhn.exe
Size

395KB
MD5

cd9893216c015b03a70d5ed52a7bd7f9
SHA1

f941ecb689ead0579ab3c6e4a103fe67a5fef0c0
SHA256

4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063
SHA512

f69747f1810c9428bd0d120480f81945934cbbbdab5b5849c9835b6cfb9f61fa2ce258714f33067113339bff02ae433c92a95865eb3b389bba4ee106f8cf866d

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.upgcambodia.com
Port:
587
Username:
[email protected]
Password:
stock3168

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/592-126-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/592-127-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral2/memory/592-132-0x00000000053C0000-0x00000000058BE000-memory.dmp	family_agenttesla
behavioral2/memory/592-137-0x00000000053C0000-0x00000000058BE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

quj5eQiH0pvKKhn.exe

description pid process target process

PID 2188 set thread context of 592 2188 quj5eQiH0pvKKhn.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

quj5eQiH0pvKKhn.exeRegSvcs.exe

pid process

2188 quj5eQiH0pvKKhn.exe
2188 quj5eQiH0pvKKhn.exe
592 RegSvcs.exe
592 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

quj5eQiH0pvKKhn.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2188 quj5eQiH0pvKKhn.exe
Token: SeDebugPrivilege 592 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

quj5eQiH0pvKKhn.exe

pid process

2188 quj5eQiH0pvKKhn.exe
2188 quj5eQiH0pvKKhn.exe

description	pid	process	target process
PID 2188 set thread context of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe

pid	process
2188	quj5eQiH0pvKKhn.exe
2188	quj5eQiH0pvKKhn.exe
592	RegSvcs.exe
592	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2188	quj5eQiH0pvKKhn.exe
Token: SeDebugPrivilege	592	RegSvcs.exe

pid	process
2188	quj5eQiH0pvKKhn.exe
2188	quj5eQiH0pvKKhn.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

quj5eQiH0pvKKhn.exe

description	pid	process	target process
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 2188 wrote to memory of 592	2188	quj5eQiH0pvKKhn.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\quj5eQiH0pvKKhn.exe
"C:\Users\Admin\AppData\Local\Temp\quj5eQiH0pvKKhn.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/592-126-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/592-137-0x00000000053C0000-0x00000000058BE000-memory.dmp

Filesize
5.0MB

Download
memory/592-134-0x0000000006020000-0x0000000006021000-memory.dmp

Filesize
4KB

Download
memory/592-133-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/592-132-0x00000000053C0000-0x00000000058BE000-memory.dmp

Filesize
5.0MB

Download
memory/592-127-0x000000000043761E-mapping.dmp

Download
memory/2188-120-0x00000000054B0000-0x00000000059AE000-memory.dmp

Filesize
5.0MB

Download
memory/2188-123-0x0000000009220000-0x0000000009228000-memory.dmp

Filesize
32KB

Download
memory/2188-124-0x0000000009790000-0x0000000009791000-memory.dmp

Filesize
4KB

Download
memory/2188-125-0x0000000009830000-0x0000000009888000-memory.dmp

Filesize
352KB

Download
memory/2188-121-0x00000000054B0000-0x00000000059AE000-memory.dmp

Filesize
5.0MB

Download
memory/2188-122-0x00000000054B0000-0x00000000059AE000-memory.dmp

Filesize
5.0MB

Download
memory/2188-115-0x0000000000B20000-0x0000000000B21000-memory.dmp

Filesize
4KB

Download
memory/2188-119-0x0000000005470000-0x0000000005471000-memory.dmp

Filesize
4KB

Download
memory/2188-118-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/2188-117-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads