agenttesla | e50738bd86a1d753a2ccf0e88cfca85fb58986ce16cb9db779e3cbb45e9a4c07

General

Target

cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
Size

1.1MB
MD5

cd8b7c72ba0756f8e6477259d399b960
SHA1

d3e9536cbe68699c134823f4730e9a388b403b3b
SHA256

e50738bd86a1d753a2ccf0e88cfca85fb58986ce16cb9db779e3cbb45e9a4c07
SHA512

0abb609b0d5d946ff7a1c884bc533cf764d92e706cca9438e10b45570af402b3e29defc70770b31a716b93676305fdec142cb0f15ac493a82d2cddaa544e5f46
SSDEEP

24576:KyBLjP6+b1EyCGcZV/zerKsAEUVTa9hJz7H:rP1MT/SujEQTKD7H

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.prcpl.com
Port:
587
Username:
[email protected]
Password:
jyotika@2015

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2204-18-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2204-15-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2204-14-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2204-22-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/2204-20-0x0000000000400000-0x0000000000466000-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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Roaming\\WCPCe\\WCPCe.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2200 set thread context of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33

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	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
2204	RegSvcs.exe
2204	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
Token: SeDebugPrivilege	2204	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2576	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2576	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2576	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2576	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	31
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33
PID 2200 wrote to memory of 2204	2200	cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd8b7c72ba0756f8e6477259d399b960_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jYbhQanutam" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38EB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2576
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2204

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp38EB.tmp

Filesize
1KB

MD5
0daa8ec1c6265775ea2cccb30a20d278

SHA1
61827c991177ba2463b06638e8cc62185a4f1206

SHA256
36c596412bf7eb3d12621ef8958558f1055ebd5c5088d03ea528decb6696cf0c

SHA512
5ad9a9caba6825a0bbabfbcbf96246a4e182ad5b16a2aef9f6e51503d519805e3153dfabeaa52c32ff201f1f37a3263f6015b4f8cccd0f316e090a3af780e218

Download Submit
memory/2200-0-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2200-1-0x00000000009A0000-0x0000000000AC2000-memory.dmp

Filesize
1.1MB

Download
memory/2200-2-0x00000000005B0000-0x00000000005C2000-memory.dmp

Filesize
72KB

Download
memory/2200-3-0x0000000073C0E000-0x0000000073C0F000-memory.dmp

Filesize
4KB

Download
memory/2200-4-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2200-5-0x00000000054A0000-0x000000000554C000-memory.dmp

Filesize
688KB

Download
memory/2200-6-0x0000000005550000-0x0000000005606000-memory.dmp

Filesize
728KB

Download
memory/2200-24-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2204-18-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-14-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-23-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-22-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-20-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-11-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2204-25-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download
memory/2204-28-0x0000000073C00000-0x00000000742EE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads