agenttesla | c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

General

Target

gunzipped.exe
Size

706KB
MD5

9a7cb419186a367181d9f2f37d571fbe
SHA1

5d7728a89ca04fc1bbe525d7ca1c4132119b074a
SHA256

c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39
SHA512

5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
glowhub@yandex.com
Password:
INfinity12345

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1892-15-0x00000000004473EE-mapping.dmp	family_agenttesla
behavioral1/memory/1892-17-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla
behavioral1/memory/1892-18-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

Intelx.exeInstallUtil.exe

pid process

1700 Intelx.exe
1892 InstallUtil.exe
Loads dropped DLL 2 IoCs

Processes:

gunzipped.exeIntelx.exe

pid process

1508 gunzipped.exe
1700 Intelx.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1700	Intelx.exe
1892	InstallUtil.exe

pid	process
1508	gunzipped.exe
1700	Intelx.exe

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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\Inte = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Intelx.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Intelx.exe

description pid process target process

PID 1700 set thread context of 1892 1700 Intelx.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
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

gunzipped.exeIntelx.exeInstallUtil.exe

pid process

1508 gunzipped.exe
1508 gunzipped.exe
1508 gunzipped.exe
1700 Intelx.exe
1700 Intelx.exe
1700 Intelx.exe
1892 InstallUtil.exe
1892 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

gunzipped.exeIntelx.exeInstallUtil.exe

description pid process

Token: SeDebugPrivilege 1508 gunzipped.exe
Token: SeDebugPrivilege 1700 Intelx.exe
Token: SeDebugPrivilege 1892 InstallUtil.exe

description	pid	process	target process
PID 1700 set thread context of 1892	1700	Intelx.exe	InstallUtil.exe

pid	process
1508	gunzipped.exe
1508	gunzipped.exe
1508	gunzipped.exe
1700	Intelx.exe
1700	Intelx.exe
1700	Intelx.exe
1892	InstallUtil.exe
1892	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1508	gunzipped.exe
Token: SeDebugPrivilege	1700	Intelx.exe
Token: SeDebugPrivilege	1892	InstallUtil.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

gunzipped.execmd.exeIntelx.exe

description	pid	process	target process
PID 1508 wrote to memory of 680	1508	gunzipped.exe	cmd.exe
PID 1508 wrote to memory of 680	1508	gunzipped.exe	cmd.exe
PID 1508 wrote to memory of 680	1508	gunzipped.exe	cmd.exe
PID 1508 wrote to memory of 680	1508	gunzipped.exe	cmd.exe
PID 680 wrote to memory of 1064	680	cmd.exe	reg.exe
PID 680 wrote to memory of 1064	680	cmd.exe	reg.exe
PID 680 wrote to memory of 1064	680	cmd.exe	reg.exe
PID 680 wrote to memory of 1064	680	cmd.exe	reg.exe
PID 1508 wrote to memory of 1700	1508	gunzipped.exe	Intelx.exe
PID 1508 wrote to memory of 1700	1508	gunzipped.exe	Intelx.exe
PID 1508 wrote to memory of 1700	1508	gunzipped.exe	Intelx.exe
PID 1508 wrote to memory of 1700	1508	gunzipped.exe	Intelx.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe
PID 1700 wrote to memory of 1892	1700	Intelx.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v Inte /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:680

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v Inte /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe"
3⤵
- Adds Run key to start application
PID:1064

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700

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
PID:1892

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\Microsoft\Windows\Templates\Intelx.exe
MD5
9a7cb419186a367181d9f2f37d571fbe

SHA1
5d7728a89ca04fc1bbe525d7ca1c4132119b074a

SHA256
c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

SHA512
5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe
MD5
9a7cb419186a367181d9f2f37d571fbe

SHA1
5d7728a89ca04fc1bbe525d7ca1c4132119b074a

SHA256
c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

SHA512
5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

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

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Intelx.exe
MD5
9a7cb419186a367181d9f2f37d571fbe

SHA1
5d7728a89ca04fc1bbe525d7ca1c4132119b074a

SHA256
c6699928167cb50230cefe4ffef7fdcc10923de726d685d1a10ce4b6f8274d39

SHA512
5accbce94159f8e7c669ce687074aad3607fa1e261c4146d5b653c0c9c0e17e646aa85684f93aab1f34fb0ecce7ed7a1190ab96ad408dbbc5efb7e34364849bb

Download Submit
memory/680-3-0x0000000000000000-mapping.dmp

Download
memory/1064-4-0x0000000000000000-mapping.dmp

Download
memory/1508-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1700-6-0x0000000000000000-mapping.dmp

Download
memory/1892-15-0x00000000004473EE-mapping.dmp

Download
memory/1892-17-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/1892-18-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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