agenttesla | 13055826d323bea03461e141344f2d103741df8631642874130a9166ac9b0e7d

General

Target

PO I2241605CA_.pdf.exe
Size

100.0MB
MD5

a31b2ef5459d12ca2157dab791a56583
SHA1

10292d68271c4a3a149cd6f5f92f70d6bbedc1ef
SHA256

69a30c0c99881db975640d6124c91429fdf2b2dc494d47fe3d72cdb1b85d7c7a
SHA512

38196063f90973a1ee8347b6fab1c56f85a8c70eeca3fda16305a7e482a13a65829b09fa23d3efca3fb55f95e3d66384399eb89a3fa127b160390ad6726367ff
SSDEEP

12288:V9BvctM85t35JPNJj2WzoRLQYRYzmYugnBsicir5Wdc75c:VD0tM85tbNJjldeYiYuUBsiciB75c

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.gizemetiket.com.tr
Port:
21
Username:
pgizemM6
Password:
giz95Ffg

Signatures

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

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
4	api.ipify.org

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1976-14-0x0000000000400000-0x00000000004C1000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 2772	1976	PO I2241605CA_.pdf.exe	30

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1976-0-0x0000000000400000-0x00000000004C1000-memory.dmp	upx
behavioral1/memory/1976-14-0x0000000000400000-0x00000000004C1000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO I2241605CA_.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2772	RegSvcs.exe
2772	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1976	PO I2241605CA_.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1976	PO I2241605CA_.pdf.exe
1976	PO I2241605CA_.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1976	PO I2241605CA_.pdf.exe
1976	PO I2241605CA_.pdf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30
PID 1976 wrote to memory of 2772	1976	PO I2241605CA_.pdf.exe	30

C:\Users\Admin\AppData\Local\Temp\PO I2241605CA_.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO I2241605CA_.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\PO I2241605CA_.pdf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1976-0-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1976-6-0x00000000024E0000-0x00000000025E0000-memory.dmp

Filesize
1024KB

Download
memory/1976-7-0x00000000024E0000-0x00000000025E0000-memory.dmp

Filesize
1024KB

Download
memory/1976-14-0x0000000000400000-0x00000000004C1000-memory.dmp

Filesize
772KB

Download
memory/1976-15-0x00000000024E0000-0x00000000025E0000-memory.dmp

Filesize
1024KB

Download
memory/2772-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2772-12-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2772-10-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2772-16-0x0000000073C8E000-0x0000000073C8F000-memory.dmp

Filesize
4KB

Download
memory/2772-17-0x0000000073C80000-0x000000007436E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-18-0x0000000073C8E000-0x0000000073C8F000-memory.dmp

Filesize
4KB

Download
memory/2772-19-0x0000000073C80000-0x000000007436E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing