agenttesla | cd3bb572b0caf1a700c8c68c6d2638680345ec0f87fbe8024b60d3e405d6561d

Analysis

max time kernel
139s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2024, 00:40

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General

Target

141c83addbfb33e4869c7f7a384ac0d5_JaffaCakes118.vbs
Size

963KB
MD5

141c83addbfb33e4869c7f7a384ac0d5
SHA1

1c413434a2d683dd6ab06c2b0b95eea58639731c
SHA256

cd3bb572b0caf1a700c8c68c6d2638680345ec0f87fbe8024b60d3e405d6561d
SHA512

132360f7fd7a6cf75791dd9787ecc65204f4066f20e3995300ee654f30a1b9a14f694b11b553c04eae906e15b64364df76b62be69009767761d1798ec06ecc18
SSDEEP

12288:KoUOHKWg5pj3lnY0hES5k79BA95e0Mp6IFsgJinHI0:Kovqj60hqDAK0rImgJino0

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.sharpn.com
Port:
587
Username:
[email protected]
Password:
)^$(6$n3eSDoq@@##$$###

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1052-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

pid	Process
4940	anyname.exe
1052	anyname.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	anyname.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	anyname.exe
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	anyname.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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\jNnIJrO = "C:\\Users\\Admin\\AppData\\Roaming\\jNnIJrO\\jNnIJrO.exe"	anyname.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4940 set thread context of 1052	4940	anyname.exe	96

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1052	anyname.exe
1052	anyname.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1052	anyname.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1052	anyname.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 4940	1788	WScript.exe	86
PID 1788 wrote to memory of 4940	1788	WScript.exe	86
PID 1788 wrote to memory of 4940	1788	WScript.exe	86
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96
PID 4940 wrote to memory of 1052	4940	anyname.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	anyname.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	anyname.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\141c83addbfb33e4869c7f7a384ac0d5_JaffaCakes118.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Users\Admin\AppData\Local\Temp\anyname.exe
  "C:\Users\Admin\AppData\Local\Temp\anyname.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4940
- - C:\Users\Admin\AppData\Local\Temp\anyname.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - outlook_office_path
    - outlook_win_path
    PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\anyname.exe.log

Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\anyname.exe

Filesize
722KB

MD5
20efe991d2838b9ea3e9834e901e733a

SHA1
17c6a58b053b1aaff1d663b0f0f5269f3a655540

SHA256
6c789efcd060587de251a017e99688919c8ae62e8ca87cb599694b77a3e5742e

SHA512
594f03ba696620dd41267ac2e37385b219696317b30d263ccebeb22f25057e26f80b38ca99688c0f633af53abf1ff585044ef29ca5c5758a066fbba2f65546d2

Download Submit
memory/1052-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1052-38-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1052-37-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1052-36-0x00000000069F0000-0x0000000006A40000-memory.dmp

Filesize
320KB

Download
memory/1052-35-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1052-34-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/1052-31-0x0000000005DA0000-0x0000000005E06000-memory.dmp

Filesize
408KB

Download
memory/1052-30-0x0000000005B10000-0x0000000005B28000-memory.dmp

Filesize
96KB

Download
memory/1052-29-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

Filesize
64KB

Download
memory/1052-28-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4940-16-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/4940-22-0x0000000006C70000-0x0000000006CAC000-memory.dmp

Filesize
240KB

Download
memory/4940-21-0x0000000006BF0000-0x0000000006C76000-memory.dmp

Filesize
536KB

Download
memory/4940-20-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/4940-27-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4940-19-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4940-18-0x0000000002C80000-0x0000000002C94000-memory.dmp

Filesize
80KB

Download
memory/4940-17-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/4940-15-0x00000000054F0000-0x000000000558C000-memory.dmp

Filesize
624KB

Download
memory/4940-14-0x0000000005400000-0x0000000005492000-memory.dmp

Filesize
584KB

Download
memory/4940-13-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/4940-12-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4940-11-0x0000000000950000-0x0000000000A0A000-memory.dmp

Filesize
744KB

Download