agenttesla | 8f0e18c3776871c08f5c26a56f3b8edae0cb555d3194e99f581d99beda315bbd

General

Target

d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Size

610KB
MD5

d81944040f764a825bc229369ecb460c
SHA1

f057c58a913f2f95d8e422dcd6e9b6d3d240373b
SHA256

8f0e18c3776871c08f5c26a56f3b8edae0cb555d3194e99f581d99beda315bbd
SHA512

a7386d76b27a40febb3f140a2a5734f4666f9a2730d57b92c9ed852e56dbd0210a5d28e9edd5b8b9f6d6d6fa2aa75ccaf21ff66e8acfe1eff50c1846e86dcc86
SSDEEP

12288:Tv2Aq++rSemRO7hsg3UdLxSiVk7SHh7t+SmCUCvEvk:TARrSe++hsPSiVk7S/+SmDrvk

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
HEoxefZ9

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/2792-21-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2792-18-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2792-16-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2792-13-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/2792-12-0x0000000000400000-0x000000000044C000-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
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
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2792	2972	d81944040f764a825bc229369ecb460c_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	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d81944040f764a825bc229369ecb460c_JaffaCakes118.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
2068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
2792	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
2792	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2792	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
Token: SeDebugPrivilege	2792	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 2068	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2068	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2068	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2068	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	31
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33
PID 2972 wrote to memory of 2792	2972	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d81944040f764a825bc229369ecb460c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_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:2972
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FVLWPrChQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3949.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2068
- C:\Users\Admin\AppData\Local\Temp\d81944040f764a825bc229369ecb460c_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2792

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3949.tmp

Filesize
1KB

MD5
b2a2dabca75c97de37ac7fd9e395fa17

SHA1
a8ba797896faaf805ebd51576fb0e64dd8eac577

SHA256
0e026eaafc12f2979c0927415698d52c82a857bb7298389dd38a389aa651c5e2

SHA512
5b1d7fe78b1f5a241ce8c2104e7963fe16d09e7bba3534a3b250a640aba175dbec07b0d82e145cd65e42ba2bbb4e3b79d62f9da18bbe99ebb4820fed1712b947

Download Submit
memory/2792-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-28-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-27-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-25-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-22-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-24-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-11-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2792-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2972-1-0x0000000001030000-0x00000000010CE000-memory.dmp

Filesize
632KB

Download
memory/2972-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/2972-2-0x0000000000230000-0x0000000000242000-memory.dmp

Filesize
72KB

Download
memory/2972-23-0x0000000074CA0000-0x000000007538E000-memory.dmp

Filesize
6.9MB

Download
memory/2972-5-0x0000000005240000-0x00000000052A0000-memory.dmp

Filesize
384KB

Download
memory/2972-4-0x0000000004AA0000-0x0000000004B06000-memory.dmp

Filesize
408KB

Download
memory/2972-3-0x0000000074CA0000-0x000000007538E000-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