agenttesla | acb87595a5ea8141149502c5f1616c9f8c38f8a183ce496d638f7ae094c29581

General

Target

22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
Size

853KB
MD5

22ed7b58b0734e8804282a4973c8a236
SHA1

5c0dbfe944bf5f126f1b49cc3267463c32aae336
SHA256

acb87595a5ea8141149502c5f1616c9f8c38f8a183ce496d638f7ae094c29581
SHA512

8e90b3395a86e5699e95299ab2b8a41e834f5dbf5d8f9e7259dc37362632b878b4429527f74ac01d01a7e314b9061140a9ebd5c18b091ecff0ca6fc0523ad626
SSDEEP

12288:nqVn3qGaNHEyC9/oR9gy5FHK7zgfFAre3WaEXL5VeX8Bk19+vzR9N0/8sw:ngPp9AR95yAFAe3PEXu8Bk19gR9N0lw

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.priserveinfra.com
Port:
587
Username:
[email protected]
Password:
oppipl121019

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/2572-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2572-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2572-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2572-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2572-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
2572	MSBuild.exe
2572	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
Token: SeDebugPrivilege	2572	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2160	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	30
PID 2912 wrote to memory of 2160	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	30
PID 2912 wrote to memory of 2160	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	30
PID 2912 wrote to memory of 2160	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	30
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31
PID 2912 wrote to memory of 2572	2912	22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\22ed7b58b0734e8804282a4973c8a236_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\22ed7b58b0734e8804282a4973c8a236_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:2912
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2160
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  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:2572

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

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

memory/2572-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-22-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-29-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-26-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-25-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-23-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-30-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2572-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2572-16-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-2-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-0-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2912-1-0x00000000003E0000-0x00000000004BC000-memory.dmp

Filesize
880KB

Download
memory/2912-7-0x00000000008C0000-0x00000000008FC000-memory.dmp

Filesize
240KB

Download
memory/2912-24-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-6-0x0000000008000000-0x00000000080A0000-memory.dmp

Filesize
640KB

Download
memory/2912-5-0x00000000743F0000-0x0000000074ADE000-memory.dmp

Filesize
6.9MB

Download
memory/2912-4-0x00000000743FE000-0x00000000743FF000-memory.dmp

Filesize
4KB

Download
memory/2912-3-0x0000000000620000-0x0000000000636000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads