agenttesla | 9d0e98598023c99d612e29d19af9cc8cf45f40ba881fb7b5ab9431d6f2b1500c

General

Target

ORHJ098.exe
Size

816KB
MD5

761a9b943f4038e935b2b8d2c88eec47
SHA1

8f87e691d84de37ceca9c46af7aa94348f7306af
SHA256

80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc
SHA512

03717e7461532764bf6e26b8113f1ab45f8df58ccf2ac61e45927535e4df40c4c013520633f3484669813937970a5adb740269fa75dfc6a9fee062cafbe5e0e1
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLnuXWHgW661cj61grRD7C/:ffmMv6Ckr7Mny5QLuXv006iJ7q

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cunila.vbs	cunila.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	cunila.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	ORHJ098.exe

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/files/0x0007000000019470-7.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2872	2876	cunila.exe	30

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 3 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ORHJ098.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cunila.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2872	RegSvcs.exe
2872	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2876	cunila.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	RegSvcs.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2248	ORHJ098.exe
2248	ORHJ098.exe
2876	cunila.exe
2876	cunila.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2248	ORHJ098.exe
2248	ORHJ098.exe
2876	cunila.exe
2876	cunila.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2876	2248	ORHJ098.exe	29
PID 2248 wrote to memory of 2876	2248	ORHJ098.exe	29
PID 2248 wrote to memory of 2876	2248	ORHJ098.exe	29
PID 2248 wrote to memory of 2876	2248	ORHJ098.exe	29
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30
PID 2876 wrote to memory of 2872	2876	cunila.exe	30

C:\Users\Admin\AppData\Local\Temp\ORHJ098.exe
"C:\Users\Admin\AppData\Local\Temp\ORHJ098.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\jailkeeper\cunila.exe
  "C:\Users\Admin\AppData\Local\Temp\ORHJ098.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - 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:2876
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\ORHJ098.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2872

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

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Downloads

\Users\Admin\AppData\Local\jailkeeper\cunila.exe

Filesize
816KB

MD5
761a9b943f4038e935b2b8d2c88eec47

SHA1
8f87e691d84de37ceca9c46af7aa94348f7306af

SHA256
80cae17ac36cdddcdd35027d72f10d019d82e256fe88e0113c66432137f354fc

SHA512
03717e7461532764bf6e26b8113f1ab45f8df58ccf2ac61e45927535e4df40c4c013520633f3484669813937970a5adb740269fa75dfc6a9fee062cafbe5e0e1

Download Submit
memory/2248-5-0x00000000009C0000-0x00000000009C4000-memory.dmp

Filesize
16KB

Download
memory/2872-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2872-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2872-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2872-24-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

Filesize
4KB

Download
memory/2872-25-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download
memory/2872-26-0x0000000073C9E000-0x0000000073C9F000-memory.dmp

Filesize
4KB

Download
memory/2872-27-0x0000000073C90000-0x000000007437E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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