agenttesla | e17b4c0fcc016cf6a30e77b46d4db823f9fe125e8cba464c0832f4ee45f60f1e

General

Target

31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
Size

1.5MB
MD5

31ad987e718ec12c36ca85124ebf2c92
SHA1

31ba440b4046b46c3d47c9f35932c7c0f3112e9e
SHA256

e17b4c0fcc016cf6a30e77b46d4db823f9fe125e8cba464c0832f4ee45f60f1e
SHA512

5b59d966f11b72f3694e2c063b86a82acc450d1839ba0e19598cd88c674b322eba1e24cfe45b67218f28f9f842cb87c4e5cbef0e96f0ad2b7e1bb05681178a9e
SSDEEP

12288:GgKjtZiBrqvSmU9bUZR6NwwHqeRnE2mB1/575jzed+0OK4siChMNQ6H+Uy1SusrT:gZvvSLyZaz6h7xqd5jhMyZZS5R0

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1778626105:AAG38Q3BQPdUlhSAj_Thbl-k6rCDNlXEi28/sendDocument

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/2836-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2836-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2836-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2836-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2836-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	31ad987e718ec12c36ca85124ebf2c92_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
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2836	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
2836	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 2828	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2828	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2828	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2828	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	31
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33
PID 1824 wrote to memory of 2836	1824	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JUfxsRe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8076.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\31ad987e718ec12c36ca85124ebf2c92_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\tmp8076.tmp

Filesize
1KB

MD5
82bb4ce6980447d97bd017c74d704b42

SHA1
432ca90932b17662df4583dbcecdf266984ca67c

SHA256
18e2524d0b66a9b87d25daf6a17a27cf713dc641a9f8daa4b81cbba418a7377e

SHA512
b6830a4077497963adb31ba1d4e4962048471fd0a130914dd85d0fcbb6e883d1b6f70a76b4255a89c4a7b24eef712270d7bad3f2adc4994ec6e47e30e203ef09

Download Submit
memory/1824-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1824-1-0x0000000000AE0000-0x0000000000C64000-memory.dmp

Filesize
1.5MB

Download
memory/1824-2-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1824-3-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/1824-4-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1824-5-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1824-6-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/1824-7-0x0000000002320000-0x000000000235C000-memory.dmp

Filesize
240KB

Download
memory/1824-26-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-27-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2836-28-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-29-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2836-30-0x00000000748C0000-0x0000000074FAE000-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