agenttesla | b728133491571b5473adba573e27014ccd8a83a337549e1cd61bb53675d9af81

General

Target

APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
Size

706KB
MD5

da60d646e63e252736a76998f36a6547
SHA1

ca9af1d7be7667784742ced9b33141d7c6a4e0ac
SHA256

b728133491571b5473adba573e27014ccd8a83a337549e1cd61bb53675d9af81
SHA512

d89798434962684006161403a3c41ba62232e379367211be59106d4369666cfb3dcc4c96de0e7bc7c6d162a0bda516976f061c7975c20623a3346c73e56dcea8

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
aammorris@askoblue.com
Password:
hbqtHu^3

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3252-148-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3252-149-0x000000000043761E-mapping.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

FILES.exeInstallUtil.exe

pid process

4040 FILES.exe
3252 InstallUtil.exe

pid	process
4040	FILES.exe
3252	InstallUtil.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral2/memory/2736-122-0x0000000006640000-0x0000000006661000-memory.dmp	agile_net

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\FILES = "C:\\Users\\Admin\\AppData\\Roaming\\FILES.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FILES.exe

description pid process target process

PID 4040 set thread context of 3252 4040 FILES.exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 4040 set thread context of 3252	4040	FILES.exe	InstallUtil.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

Processes:

FILES.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings FILES.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

420 EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000_Classes\Local Settings	FILES.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exeFILES.exeInstallUtil.exe

pid	process
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
4040	FILES.exe
4040	FILES.exe
3252	InstallUtil.exe
3252	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exeFILES.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
Token: SeDebugPrivilege	4040	FILES.exe
Token: SeDebugPrivilege	3252	InstallUtil.exe

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXEInstallUtil.exe

pid	process
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
420	EXCEL.EXE
3252	InstallUtil.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.execmd.exeFILES.exe

description	pid	process	target process
PID 2736 wrote to memory of 3508	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	cmd.exe
PID 2736 wrote to memory of 3508	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	cmd.exe
PID 2736 wrote to memory of 3508	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	cmd.exe
PID 3508 wrote to memory of 3656	3508	cmd.exe	reg.exe
PID 3508 wrote to memory of 3656	3508	cmd.exe	reg.exe
PID 3508 wrote to memory of 3656	3508	cmd.exe	reg.exe
PID 2736 wrote to memory of 4040	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	FILES.exe
PID 2736 wrote to memory of 4040	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	FILES.exe
PID 2736 wrote to memory of 4040	2736	APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe	FILES.exe
PID 4040 wrote to memory of 420	4040	FILES.exe	EXCEL.EXE
PID 4040 wrote to memory of 420	4040	FILES.exe	EXCEL.EXE
PID 4040 wrote to memory of 420	4040	FILES.exe	EXCEL.EXE
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe
PID 4040 wrote to memory of 3252	4040	FILES.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe
"C:\Users\Admin\AppData\Local\Temp\APRILQUOTATIONS#QQO2103060_Hangzhou_Zhongniu_Import_Export_Co.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2736

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "FILES" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FILES.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:3508

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "FILES" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FILES.exe"
3⤵
- Adds Run key to start application
PID:3656

C:\Users\Admin\AppData\Roaming\FILES.exe
"C:\Users\Admin\AppData\Roaming\FILES.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4040

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Roaming\QQ.xlsx"
3⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:420

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3252

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

Credentials in Files

3

T1081

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\FILES.exe
MD5
da60d646e63e252736a76998f36a6547

SHA1
ca9af1d7be7667784742ced9b33141d7c6a4e0ac

SHA256
b728133491571b5473adba573e27014ccd8a83a337549e1cd61bb53675d9af81

SHA512
d89798434962684006161403a3c41ba62232e379367211be59106d4369666cfb3dcc4c96de0e7bc7c6d162a0bda516976f061c7975c20623a3346c73e56dcea8

Download Submit
C:\Users\Admin\AppData\Roaming\FILES.exe
MD5
da60d646e63e252736a76998f36a6547

SHA1
ca9af1d7be7667784742ced9b33141d7c6a4e0ac

SHA256
b728133491571b5473adba573e27014ccd8a83a337549e1cd61bb53675d9af81

SHA512
d89798434962684006161403a3c41ba62232e379367211be59106d4369666cfb3dcc4c96de0e7bc7c6d162a0bda516976f061c7975c20623a3346c73e56dcea8

Download Submit
C:\Users\Admin\AppData\Roaming\QQ.xlsx
MD5
d0eb874b4bb5f3817619daabdcf14945

SHA1
2479621f14b74745d5ed9b6d86f4bd7e4d517b4a

SHA256
84084504ccf29927653165081f158da0279566cc6c4496422919af1c794e6eee

SHA512
e2e45ab7034ecc074bb20ce7dcbf9eac96a2855376f8f14df64dd6d9f4a309806e885de252b9603d246ddf6310bc8d0959cf9e9aba8ad3e3138eac30d1f3468c

Download Submit
memory/420-154-0x00007FFC119D0000-0x00007FFC119E0000-memory.dmp

Filesize
64KB

Download
memory/420-161-0x00007FFC119D0000-0x00007FFC119E0000-memory.dmp

Filesize
64KB

Download
memory/420-147-0x00007FFC119D0000-0x00007FFC119E0000-memory.dmp

Filesize
64KB

Download
memory/420-144-0x00007FF60DEE0000-0x00007FF611496000-memory.dmp

Filesize
53.7MB

Download
memory/420-151-0x00007FFC119D0000-0x00007FFC119E0000-memory.dmp

Filesize
64KB

Download
memory/420-164-0x0000025B0D400000-0x0000025B0F2F5000-memory.dmp

Filesize
31.0MB

Download
memory/420-143-0x0000000000000000-mapping.dmp

Download
memory/420-162-0x00007FFC326F0000-0x00007FFC337DE000-memory.dmp

Filesize
16.9MB

Download
memory/420-156-0x00007FFC119D0000-0x00007FFC119E0000-memory.dmp

Filesize
64KB

Download
memory/2736-118-0x0000000004E30000-0x0000000004E31000-memory.dmp

Filesize
4KB

Download
memory/2736-122-0x0000000006640000-0x0000000006661000-memory.dmp

Filesize
132KB

Download
memory/2736-119-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

Filesize
4KB

Download
memory/2736-127-0x00000000059B1000-0x00000000059B2000-memory.dmp

Filesize
4KB

Download
memory/2736-114-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2736-121-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/2736-124-0x0000000006610000-0x0000000006611000-memory.dmp

Filesize
4KB

Download
memory/2736-123-0x0000000006700000-0x0000000006701000-memory.dmp

Filesize
4KB

Download
memory/2736-117-0x0000000005330000-0x0000000005331000-memory.dmp

Filesize
4KB

Download
memory/2736-116-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/3252-149-0x000000000043761E-mapping.dmp

Download
memory/3252-148-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3252-163-0x0000000004D30000-0x000000000522E000-memory.dmp

Filesize
5.0MB

Download
memory/3508-125-0x0000000000000000-mapping.dmp

Download
memory/3656-126-0x0000000000000000-mapping.dmp

Download
memory/4040-146-0x0000000009860000-0x0000000009861000-memory.dmp

Filesize
4KB

Download
memory/4040-145-0x0000000007340000-0x000000000734B000-memory.dmp

Filesize
44KB

Download
memory/4040-142-0x0000000005A01000-0x0000000005A02000-memory.dmp

Filesize
4KB

Download
memory/4040-138-0x0000000005A00000-0x0000000005A01000-memory.dmp

Filesize
4KB

Download
memory/4040-128-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads