agenttesla | 4607df181c7ba5d22db44186f7c7b147394b0b1cd5e28d38d6aa2371e8f1dc61

General

Target

OC 44076345.exe
Size

834KB
MD5

be8f68c345d9f2f95d757df5bd331eaf
SHA1

f7818e339c05676f265ed085f57392875daebe13
SHA256

555c6eb8de554cac076806b73ce42e39f867a9801c6fcb944563d30cc1e049ed
SHA512

0c3b0c8d1110c7ae6f3df6a08fbfc38c263b00ef41c1121f76fdcf9ac525e7398fcc9911a2d117628277ac68bdf10040fa18f079178bc86764565253e65c8a80
SSDEEP

12288:46Wq4aaE6KwyF5L0Y2D1PqLrSKxsZJfUJt0Q2ikCj9g0UO899wt0V7U9eapvnMmG:OthEVaPqLrSKx530QZkVIYchpFXK7vuU

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

Signatures

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

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1728-15-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2808	1728	OC 44076345.exe	30

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral1/memory/1728-15-0x0000000000400000-0x00000000004E2000-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	OC 44076345.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2808	RegSvcs.exe
2808	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1728	OC 44076345.exe
1728	OC 44076345.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1728	OC 44076345.exe
1728	OC 44076345.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1728	OC 44076345.exe
1728	OC 44076345.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30
PID 1728 wrote to memory of 2808	1728	OC 44076345.exe	30

C:\Users\Admin\AppData\Local\Temp\OC 44076345.exe
"C:\Users\Admin\AppData\Local\Temp\OC 44076345.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:1728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\OC 44076345.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2808

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

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Downloads

memory/1728-0-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/1728-3-0x0000000002EE0000-0x00000000030E0000-memory.dmp

Filesize
2.0MB

Download
memory/1728-15-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2808-4-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2808-10-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2808-13-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2808-6-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2808-16-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2808-17-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-18-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2808-19-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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