agenttesla | b96dabac33821df6545c701a60d0bef4ac6177d7c3ffbf04320b583148acf84c

General

Target

e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
Size

746KB
MD5

e20ae62ec170770b0894386536b12e49
SHA1

8d06c52138c541bc9142075a2137567be687b6f7
SHA256

b96dabac33821df6545c701a60d0bef4ac6177d7c3ffbf04320b583148acf84c
SHA512

e51b8b023417ce55798f0628da45c4376b487c3d0532b8af6bcc08cdb14b6c30ad1f41c35ab96e0ba43c66752fdb5557cef1ade96550c11c14ee09444e6d41ff
SSDEEP

12288:HjKbZZMZpiAmmnO1PzkEXqUwNNDFChvKvOPdKNWXLzkfLtJ2GMEotYJLNWewp3Tw:Hu6piAmmOdlqJNwf27MEotYJZWeO3jw

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.alsayyadi.com
Port:
587
Username:
[email protected]
Password:
sayyadi2017_2018

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/2768-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2768-8-0x0000000000400000-0x000000000043C000-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

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\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\BAVLA = "C:\\Users\\Admin\\AppData\\Roaming\\BAVLA\\BAVLA.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 2768	2104	e20ae62ec170770b0894386536b12e49_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	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
2768	RegSvcs.exe
2768	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
Token: SeDebugPrivilege	2768	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe	31
PID 2104 wrote to memory of 2768	2104	e20ae62ec170770b0894386536b12e49_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	RegSvcs.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	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\e20ae62ec170770b0894386536b12e49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e20ae62ec170770b0894386536b12e49_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:2104
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "{path}"
  2⤵
  - 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:2768

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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/2104-0-0x0000000074291000-0x0000000074292000-memory.dmp

Filesize
4KB

Download
memory/2104-1-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-2-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-3-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-17-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2104-4-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2768-18-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-20-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-21-0x0000000074290000-0x000000007483B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads