agenttesla | b544726a7092ac0a8c503181644850292e01b7245808815d800f85e008c533d5

General

Target

Sample Qoutation List.exe
Size

633KB
MD5

1218f28671801dbd95ee8b75e2df092b
SHA1

4a8bfff915795b37b50b550ddddfab8b68cf28c5
SHA256

b544726a7092ac0a8c503181644850292e01b7245808815d800f85e008c533d5
SHA512

e4ef46505fab8215e36c6a88280ed3672f6089f98fcdee079826acf94336437ea87aa7d2c5b7e2c47e9116d983e49da7d33084066e36e2284c89dd1580446e90

Score

10^/10

agenttesla agilenet keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.thinnartede.com
Port:
587
Username:
rakris@thinnartede.com
Password:
QGzh%!$2

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/4048-35-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4048-36-0x00000000004375FE-mapping.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

Files.exeInstallUtil.exe

pid process

1264 Files.exe
4048 InstallUtil.exe

pid	process
1264	Files.exe
4048	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/496-11-0x0000000006E90000-0x0000000006EB1000-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-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\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 1264 set thread context of 4048 1264 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 1264 set thread context of 4048	1264	Files.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

Processes:

Sample Qoutation List.exeFiles.exeInstallUtil.exe

pid	process
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
496	Sample Qoutation List.exe
1264	Files.exe
1264	Files.exe
4048	InstallUtil.exe
4048	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Sample Qoutation List.exeFiles.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	496	Sample Qoutation List.exe
Token: SeDebugPrivilege	1264	Files.exe
Token: SeDebugPrivilege	4048	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

4048 InstallUtil.exe

pid	process
4048	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Sample Qoutation List.execmd.exeFiles.exe

description	pid	process	target process
PID 496 wrote to memory of 192	496	Sample Qoutation List.exe	cmd.exe
PID 496 wrote to memory of 192	496	Sample Qoutation List.exe	cmd.exe
PID 496 wrote to memory of 192	496	Sample Qoutation List.exe	cmd.exe
PID 192 wrote to memory of 2020	192	cmd.exe	reg.exe
PID 192 wrote to memory of 2020	192	cmd.exe	reg.exe
PID 192 wrote to memory of 2020	192	cmd.exe	reg.exe
PID 496 wrote to memory of 1264	496	Sample Qoutation List.exe	Files.exe
PID 496 wrote to memory of 1264	496	Sample Qoutation List.exe	Files.exe
PID 496 wrote to memory of 1264	496	Sample Qoutation List.exe	Files.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe
PID 1264 wrote to memory of 4048	1264	Files.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Sample Qoutation List.exe
"C:\Users\Admin\AppData\Local\Temp\Sample Qoutation List.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496

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:192

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:2020

C:\Users\Admin\AppData\Roaming\Files.exe
"C:\Users\Admin\AppData\Roaming\Files.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1264

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:4048

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

1

T1082

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
1218f28671801dbd95ee8b75e2df092b

SHA1
4a8bfff915795b37b50b550ddddfab8b68cf28c5

SHA256
b544726a7092ac0a8c503181644850292e01b7245808815d800f85e008c533d5

SHA512
e4ef46505fab8215e36c6a88280ed3672f6089f98fcdee079826acf94336437ea87aa7d2c5b7e2c47e9116d983e49da7d33084066e36e2284c89dd1580446e90

Download Submit
C:\Users\Admin\AppData\Roaming\Files.exe
MD5
1218f28671801dbd95ee8b75e2df092b

SHA1
4a8bfff915795b37b50b550ddddfab8b68cf28c5

SHA256
b544726a7092ac0a8c503181644850292e01b7245808815d800f85e008c533d5

SHA512
e4ef46505fab8215e36c6a88280ed3672f6089f98fcdee079826acf94336437ea87aa7d2c5b7e2c47e9116d983e49da7d33084066e36e2284c89dd1580446e90

Download Submit
memory/192-15-0x0000000000000000-mapping.dmp

Download
memory/496-11-0x0000000006E90000-0x0000000006EB1000-memory.dmp

Filesize
132KB

Download
memory/496-9-0x0000000006160000-0x0000000006161000-memory.dmp

Filesize
4KB

Download
memory/496-2-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/496-12-0x0000000007040000-0x0000000007041000-memory.dmp

Filesize
4KB

Download
memory/496-13-0x0000000006E40000-0x0000000006E41000-memory.dmp

Filesize
4KB

Download
memory/496-14-0x0000000006161000-0x0000000006162000-memory.dmp

Filesize
4KB

Download
memory/496-8-0x00000000060C0000-0x00000000060C1000-memory.dmp

Filesize
4KB

Download
memory/496-3-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/496-5-0x0000000005B20000-0x0000000005B21000-memory.dmp

Filesize
4KB

Download
memory/496-7-0x0000000005760000-0x0000000005761000-memory.dmp

Filesize
4KB

Download
memory/496-6-0x00000000056C0000-0x00000000056C1000-memory.dmp

Filesize
4KB

Download
memory/1264-20-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1264-28-0x0000000005210000-0x0000000005211000-memory.dmp

Filesize
4KB

Download
memory/1264-32-0x0000000005211000-0x0000000005212000-memory.dmp

Filesize
4KB

Download
memory/1264-33-0x0000000006950000-0x000000000695B000-memory.dmp

Filesize
44KB

Download
memory/1264-34-0x0000000006960000-0x0000000006961000-memory.dmp

Filesize
4KB

Download
memory/1264-17-0x0000000000000000-mapping.dmp

Download
memory/2020-16-0x0000000000000000-mapping.dmp

Download
memory/4048-35-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4048-36-0x00000000004375FE-mapping.dmp

Download
memory/4048-39-0x0000000073360000-0x0000000073A4E000-memory.dmp

Filesize
6.9MB

Download
memory/4048-44-0x00000000050E0000-0x00000000050E1000-memory.dmp

Filesize
4KB

Download
memory/4048-45-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/4048-48-0x0000000000F30000-0x0000000000F31000-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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