agenttesla | 88cf42a6c3e0ee64dc8be4743b5427fb74d26c30964415e5c9921f80063b8107

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 2228 set thread context of 1760 2228 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

1960 schtasks.exe
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

KhT.scrRegSvcs.exepowershell.exe

pid process

2228 KhT.scr
2228 KhT.scr
2228 KhT.scr
2228 KhT.scr
2228 KhT.scr
2228 KhT.scr
2228 KhT.scr
1760 RegSvcs.exe
1760 RegSvcs.exe
1668 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

KhT.scrRegSvcs.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2228 KhT.scr
Token: SeDebugPrivilege 1760 RegSvcs.exe
Token: SeDebugPrivilege 1668 powershell.exe

description	pid	process	target process
PID 2228 set thread context of 1760	2228	KhT.scr	RegSvcs.exe

pid	process
1960	schtasks.exe

pid	process
2228	KhT.scr
2228	KhT.scr
2228	KhT.scr
2228	KhT.scr
2228	KhT.scr
2228	KhT.scr
2228	KhT.scr
1760	RegSvcs.exe
1760	RegSvcs.exe
1668	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2228	KhT.scr
Token: SeDebugPrivilege	1760	RegSvcs.exe
Token: SeDebugPrivilege	1668	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

KhT.scr

description	pid	process	target process
PID 2228 wrote to memory of 1668	2228	KhT.scr	powershell.exe
PID 2228 wrote to memory of 1668	2228	KhT.scr	powershell.exe
PID 2228 wrote to memory of 1668	2228	KhT.scr	powershell.exe
PID 2228 wrote to memory of 1668	2228	KhT.scr	powershell.exe
PID 2228 wrote to memory of 1960	2228	KhT.scr	schtasks.exe
PID 2228 wrote to memory of 1960	2228	KhT.scr	schtasks.exe
PID 2228 wrote to memory of 1960	2228	KhT.scr	schtasks.exe
PID 2228 wrote to memory of 1960	2228	KhT.scr	schtasks.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	KhT.scr	RegSvcs.exe
PID 2228 wrote to memory of 1760	2228	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:2228

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:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zTmBkRpHGbA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAE0B.tmp"
2⤵
- Creates scheduled task(s)
PID:1960

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:1760

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\tmpAE0B.tmp
Filesize
1KB

MD5
ced393d7cb4d0e0002b03955b11b7620

SHA1
0869cb7b226b33a97e980d6215d445842e7ca6ea

SHA256
2fc91fc1c8c4cbae474a910a81ca762ef40e5ac9f6aa6047ed5f43841a01c141

SHA512
b0c5e9a5329127c43cf51a1b8550a0db0bf458a76ab7aec63216580880b6e7db751b64e4d9650907e39fa5b5164e6302ccb610fb83dd2c01bd8210354144ecb8

Download Submit
memory/1668-32-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1668-31-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1668-37-0x000000006F310000-0x000000006F8BB000-memory.dmp

Filesize
5.7MB

Download
memory/1668-36-0x0000000002720000-0x0000000002760000-memory.dmp

Filesize
256KB

Download
memory/1668-35-0x0000000002720000-0x0000000002760000-memory.dmp

Filesize
256KB

Download
memory/1760-14-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-34-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/1760-38-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-16-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-33-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/1760-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1760-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-39-0x0000000004CF0000-0x0000000004D30000-memory.dmp

Filesize
256KB

Download
memory/1760-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1760-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2228-6-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-27-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-22-0x0000000000BE0000-0x0000000000C20000-memory.dmp

Filesize
256KB

Download
memory/2228-0-0x00000000013E0000-0x0000000001492000-memory.dmp

Filesize
712KB

Download
memory/2228-5-0x0000000005140000-0x00000000051C2000-memory.dmp

Filesize
520KB

Download
memory/2228-4-0x00000000002B0000-0x00000000002BC000-memory.dmp

Filesize
48KB

Download
memory/2228-3-0x0000000000500000-0x000000000051A000-memory.dmp

Filesize
104KB

Download
memory/2228-2-0x0000000000BE0000-0x0000000000C20000-memory.dmp

Filesize
256KB

Download
memory/2228-1-0x0000000074ED0000-0x00000000755BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads