agenttesla | 17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d

General

Target

KhT.scr
Size

687KB
MD5

62ed0ee9372f04bd637e3995624dbc0c
SHA1

96e4d381325b9c0a0581993529baf0cb38050faf
SHA256

17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d
SHA512

7e3c79a487e8d472947aab1050db828ae7fe65ae1af049c00dfe7cd1b4668313665dd6380a32b7465a16da292e8270e53c35586ea39dcef3ec50ddc8a1bd2e1a
SSDEEP

12288:4/K0YOwqOpWXqqfNg3Hsgtwmq+MzaMl7+fpfKIIP9HJYxbd:DO7rXHNg3HsgtwD+MzplCfxKzHJI

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sigmamotorspk.com
Port:
587
Username:
khiro@sigmamotorspk.com
Password:
zarbeazab1234
Email To:
maungth@b-mech.com.sg

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Suspicious use of SetThreadContext 1 IoCs

Processes:

KhT.scr

description pid process target process

PID 1556 set thread context of 2436 1556 KhT.scr RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2444 schtasks.exe
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

KhT.scrpowershell.exeRegSvcs.exe

pid process

1556 KhT.scr
1556 KhT.scr
1556 KhT.scr
1556 KhT.scr
1556 KhT.scr
1556 KhT.scr
1556 KhT.scr
2544 powershell.exe
2436 RegSvcs.exe
2436 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

KhT.scrpowershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1556 KhT.scr
Token: SeDebugPrivilege 2544 powershell.exe
Token: SeDebugPrivilege 2436 RegSvcs.exe

description	pid	process	target process
PID 1556 set thread context of 2436	1556	KhT.scr	RegSvcs.exe

pid	process
2444	schtasks.exe

pid	process
1556	KhT.scr
1556	KhT.scr
1556	KhT.scr
1556	KhT.scr
1556	KhT.scr
1556	KhT.scr
1556	KhT.scr
2544	powershell.exe
2436	RegSvcs.exe
2436	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1556	KhT.scr
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	2436	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

KhT.scr

description	pid	process	target process
PID 1556 wrote to memory of 2544	1556	KhT.scr	powershell.exe
PID 1556 wrote to memory of 2544	1556	KhT.scr	powershell.exe
PID 1556 wrote to memory of 2544	1556	KhT.scr	powershell.exe
PID 1556 wrote to memory of 2544	1556	KhT.scr	powershell.exe
PID 1556 wrote to memory of 2444	1556	KhT.scr	schtasks.exe
PID 1556 wrote to memory of 2444	1556	KhT.scr	schtasks.exe
PID 1556 wrote to memory of 2444	1556	KhT.scr	schtasks.exe
PID 1556 wrote to memory of 2444	1556	KhT.scr	schtasks.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe
PID 1556 wrote to memory of 2436	1556	KhT.scr	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\KhT.scr
"C:\Users\Admin\AppData\Local\Temp\KhT.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zTmBkRpHGbA.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zTmBkRpHGbA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp91B5.tmp"
2⤵
- Creates scheduled task(s)
PID:2444

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2436

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp91B5.tmp
Filesize
1KB

MD5
d374204dc185fb002d7365c5b0e19e1f

SHA1
874fd963f9e43e0db246065b57d9216f9cb4892b

SHA256
b1de77ac3456e7cd147c2ceb88d12ec22f11072d763785e7f711b145f2d9f180

SHA512
00a480d28a98d126a30a44359df299ddeece32c2d3f73170b6287610420b441d3c89c0caa18b7d33897555cb6249c77cd526251f82a76dcc6ddac94a56a034eb

Download Submit
memory/1556-0-0x0000000000110000-0x00000000001C2000-memory.dmp

Filesize
712KB

Download
memory/1556-1-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/1556-2-0x0000000004730000-0x0000000004770000-memory.dmp

Filesize
256KB

Download
memory/1556-3-0x00000000004B0000-0x00000000004CA000-memory.dmp

Filesize
104KB

Download
memory/1556-4-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/1556-5-0x0000000005250000-0x00000000052D2000-memory.dmp

Filesize
520KB

Download
memory/1556-6-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/1556-14-0x0000000004730000-0x0000000004770000-memory.dmp

Filesize
256KB

Download
memory/1556-31-0x0000000074B10000-0x00000000751FE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-27-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2436-35-0x0000000073810000-0x0000000073EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-33-0x0000000073810000-0x0000000073EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2436-32-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2436-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2544-15-0x000000006EEE0000-0x000000006F48B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-16-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download
memory/2544-17-0x000000006EEE0000-0x000000006F48B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-34-0x000000006EEE0000-0x000000006F48B000-memory.dmp

Filesize
5.7MB

Download
memory/2544-19-0x0000000002260000-0x00000000022A0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads