agenttesla | 5fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce

General

Target

grace.exe
Size

1.1MB
MD5

0d14cd85f7729e2b3c4c8c5247ac3df4
SHA1

c6f99226a3728bf9d0eb53e98538b98e8504bc7f
SHA256

5fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce
SHA512

8c281c891ba5763b0f2b148ebc85d9e73f00e0d71b4aa1dda7507719480b9f00833ed7edb84f32b2d1af38058ba544b6a0f37d2843d9cf821429362fb43e6985
SSDEEP

24576:ffmMv6Ckr7Mny5QLZ7sI/17wNfepLueaB:f3v+7/5QLZhU2pLIB

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
techniqueqatar.com
Port:
587
Username:
[email protected]
Password:
TechFB2023$$$
Email To:
[email protected]

Signatures

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

Drops startup file 1 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
2736	beeish.exe

Loads dropped DLL 1 IoCs

pid	Process
2776	grace.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\aWUFv = "C:\\Users\\Admin\\AppData\\Roaming\\aWUFv\\aWUFv.exe"	RegSvcs.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x00080000000185e6-4.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2832	2736	beeish.exe	31

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	grace.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	beeish.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	RegSvcs.exe
2832	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2736	beeish.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2832	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2736	2776	grace.exe	30
PID 2776 wrote to memory of 2736	2776	grace.exe	30
PID 2776 wrote to memory of 2736	2776	grace.exe	30
PID 2776 wrote to memory of 2736	2776	grace.exe	30
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31
PID 2736 wrote to memory of 2832	2736	beeish.exe	31

C:\Users\Admin\AppData\Local\Temp\grace.exe
"C:\Users\Admin\AppData\Local\Temp\grace.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\nasal\beeish.exe
  "C:\Users\Admin\AppData\Local\Temp\grace.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\grace.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

C:\Users\Admin\AppData\Local\Temp\extrorsal

Filesize
249KB

MD5
5f80243cc3fa30e2032bcf34b25869d8

SHA1
3265d079ed8f7aa8baf0b8336e7b9a2291773bf1

SHA256
2b7ede596c244c8c83cc95eb6ff998a9d18a68b109651837320a1788fae75401

SHA512
594780587280ec94e5f09242cdab3a4e03ee7afd5dfb253316d62929d53f340c4bcde76d79dfdd8ceaf34c4d404565238ff97ac4f0d6f3b7f5acb0da7220cd77

Download Submit
\Users\Admin\AppData\Local\nasal\beeish.exe

Filesize
1.1MB

MD5
0d14cd85f7729e2b3c4c8c5247ac3df4

SHA1
c6f99226a3728bf9d0eb53e98538b98e8504bc7f

SHA256
5fc47ca65df767fcb09cc074dff3d5d02ab6c61ffff00b409ea2fa4107e080ce

SHA512
8c281c891ba5763b0f2b148ebc85d9e73f00e0d71b4aa1dda7507719480b9f00833ed7edb84f32b2d1af38058ba544b6a0f37d2843d9cf821429362fb43e6985

Download Submit
memory/2736-12-0x0000000003580000-0x0000000003980000-memory.dmp

Filesize
4.0MB

Download
memory/2776-2-0x0000000003AD0000-0x0000000003ED0000-memory.dmp

Filesize
4.0MB

Download
memory/2832-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2832-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2832-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2832-19-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2832-20-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2832-23-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2832-24-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads