agenttesla | 4c606e776efff1f168bb35220f9704826dc425c8f578e61c5923a3586e9da063

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/824-127-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/824-128-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral2/memory/824-133-0x0000000005540000-0x0000000005A3E000-memory.dmp	family_agenttesla
behavioral2/memory/824-138-0x0000000005540000-0x0000000005A3E000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\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-1-5-21-2481030822-2828258191-1606198294-1000\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 3524 set thread context of 824 3524 quj5eQiH0pvKKhn.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

quj5eQiH0pvKKhn.exeRegSvcs.exe

pid process

3524 quj5eQiH0pvKKhn.exe
3524 quj5eQiH0pvKKhn.exe
824 RegSvcs.exe
824 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

quj5eQiH0pvKKhn.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 3524 quj5eQiH0pvKKhn.exe
Token: SeDebugPrivilege 824 RegSvcs.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

quj5eQiH0pvKKhn.exe

pid process

3524 quj5eQiH0pvKKhn.exe
3524 quj5eQiH0pvKKhn.exe

description	pid	process	target process
PID 3524 set thread context of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe

pid	process
3524	quj5eQiH0pvKKhn.exe
3524	quj5eQiH0pvKKhn.exe
824	RegSvcs.exe
824	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3524	quj5eQiH0pvKKhn.exe
Token: SeDebugPrivilege	824	RegSvcs.exe

pid	process
3524	quj5eQiH0pvKKhn.exe
3524	quj5eQiH0pvKKhn.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

quj5eQiH0pvKKhn.exe

description	pid	process	target process
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe
PID 3524 wrote to memory of 824	3524	quj5eQiH0pvKKhn.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\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:3524

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:824

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/824-127-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/824-138-0x0000000005540000-0x0000000005A3E000-memory.dmp

Filesize
5.0MB

Download
memory/824-135-0x00000000062A0000-0x00000000062A1000-memory.dmp

Filesize
4KB

Download
memory/824-134-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/824-133-0x0000000005540000-0x0000000005A3E000-memory.dmp

Filesize
5.0MB

Download
memory/824-128-0x000000000043761E-mapping.dmp

Download
memory/3524-121-0x00000000057D0000-0x0000000005CCE000-memory.dmp

Filesize
5.0MB

Download
memory/3524-124-0x0000000009B00000-0x0000000009B08000-memory.dmp

Filesize
32KB

Download
memory/3524-125-0x0000000009BC0000-0x0000000009BC1000-memory.dmp

Filesize
4KB

Download
memory/3524-126-0x0000000009C60000-0x0000000009CB8000-memory.dmp

Filesize
352KB

Download
memory/3524-122-0x00000000057D0000-0x0000000005CCE000-memory.dmp

Filesize
5.0MB

Download
memory/3524-123-0x00000000057D0000-0x0000000005CCE000-memory.dmp

Filesize
5.0MB

Download
memory/3524-116-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/3524-120-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/3524-119-0x0000000005870000-0x0000000005871000-memory.dmp

Filesize
4KB

Download
memory/3524-118-0x0000000005CD0000-0x0000000005CD1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads