agenttesla | 119104fb2d65725f9acd015a1478e6f7064ebae5e904e4e2ea783a5cf8f472d4

Analysis

max time kernel
148s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-09-2024 13:00

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General

Target

e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
Size

882KB
MD5

e03c44769786da6c582e739e7710bbc3
SHA1

d3fff948a5c25bb07f06de7134ce5a88dae701a6
SHA256

119104fb2d65725f9acd015a1478e6f7064ebae5e904e4e2ea783a5cf8f472d4
SHA512

b5664471caeb289421bb591c126117f1f3ce7bf58d627633e58211e0865873da951ef9c6aa995d6a69ecfb3b318cb083ad460458792976aadd0a27e044368a80
SSDEEP

12288:sNOUj6hvKElTXjkztKD3ugnM6Ss7t6E6wtsjgxAZBP8tSaTO2r8sGIq0kuJpk6:kO46E6TX8M3nM6hUTj5P8Pa2wsgGJpk6

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan upx

Malware Config

Signatures

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

AgentTesla payload 9 IoCs

resource	yara_rule
behavioral1/memory/2912-28-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-27-0x0000000000590000-0x00000000005E6000-memory.dmp	family_agenttesla
behavioral1/memory/2912-26-0x0000000000590000-0x00000000005E6000-memory.dmp	family_agenttesla
behavioral1/memory/2912-25-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-24-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-39-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-40-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-41-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla
behavioral1/memory/2912-42-0x0000000000400000-0x00000000004B7000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Executes dropped EXE 2 IoCs

pid	Process
2596	myneworigtjoe.exe
2912	myneworigtjoe.exe

Loads dropped DLL 3 IoCs

pid	Process
2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
2596	myneworigtjoe.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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2912-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2912-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2912-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2912-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2912-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myneworigtjoe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myneworigtjoe.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myneworigtjoe.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	myneworigtjoe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2912	2596	myneworigtjoe.exe	31

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	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myneworigtjoe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	myneworigtjoe.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe:ZoneIdentifier	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\NewApp\NewApp.exe\:ZoneIdentifier:$DATA	myneworigtjoe.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
2596	myneworigtjoe.exe
2912	myneworigtjoe.exe
2912	myneworigtjoe.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2596	myneworigtjoe.exe
2596	myneworigtjoe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	myneworigtjoe.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2596	2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2596	2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2596	2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2596	2220	e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe	30
PID 2596 wrote to memory of 2912	2596	myneworigtjoe.exe	31
PID 2596 wrote to memory of 2912	2596	myneworigtjoe.exe	31
PID 2596 wrote to memory of 2912	2596	myneworigtjoe.exe	31
PID 2596 wrote to memory of 2912	2596	myneworigtjoe.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myneworigtjoe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	myneworigtjoe.exe

C:\Users\Admin\AppData\Local\Temp\e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e03c44769786da6c582e739e7710bbc3_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe
  "C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe
    "C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - NTFS ADS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2912

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\myneworigoe\myneworigtjoe.exe

Filesize
882KB

MD5
e03c44769786da6c582e739e7710bbc3

SHA1
d3fff948a5c25bb07f06de7134ce5a88dae701a6

SHA256
119104fb2d65725f9acd015a1478e6f7064ebae5e904e4e2ea783a5cf8f472d4

SHA512
b5664471caeb289421bb591c126117f1f3ce7bf58d627633e58211e0865873da951ef9c6aa995d6a69ecfb3b318cb083ad460458792976aadd0a27e044368a80

Download Submit
memory/2220-0-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2220-1-0x0000000000461000-0x000000000048E000-memory.dmp

Filesize
180KB

Download
memory/2220-4-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2220-12-0x0000000000461000-0x000000000048E000-memory.dmp

Filesize
180KB

Download
memory/2596-14-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2596-15-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2596-18-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2912-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-27-0x0000000000590000-0x00000000005E6000-memory.dmp

Filesize
344KB

Download
memory/2912-26-0x0000000000590000-0x00000000005E6000-memory.dmp

Filesize
344KB

Download
memory/2912-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2912-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download