agenttesla | 41647576cf4f920f25c6c61bff2a938aa313a731ad385d414d0749f5390de197

General

Target

d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Size

709KB
MD5

d59b000cecc3666195ad5bf1ca70430f
SHA1

7c185555ceda65925889da9adf15ca2c5fac47a7
SHA256

41647576cf4f920f25c6c61bff2a938aa313a731ad385d414d0749f5390de197
SHA512

e6300dac98a2bfab4a7a0bc8c5e02075daa9c5edc55dada43d4756516a2741fb92a1bad0d17e18920816b1e5fadd776a894f6276439206a81f1f209f27bf3994
SSDEEP

12288:bz2++r+O3K6YaI/1xe04Nh0gwLlVh/jI6zwl+LeYpEV8wOrulPP:2Rr++K64E/jIhY+LeYpEW0P

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
server126.web-hosting.com
Port:
587
Username:
[email protected]
Password:
TB@h;x2zl*5c

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server126.web-hosting.com
Port:
587
Username:
[email protected]
Password:
TB@h;x2zl*5c

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4016-12-0x0000000000400000-0x0000000000466000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	d59b000cecc3666195ad5bf1ca70430f_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 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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3984 set thread context of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97

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	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
4016	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
4016	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
Token: SeDebugPrivilege	4016	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4016	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 1668	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	95
PID 3984 wrote to memory of 1668	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	95
PID 3984 wrote to memory of 1668	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	95
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97
PID 3984 wrote to memory of 4016	3984	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vKtcjnaW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7BA3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1668
- C:\Users\Admin\AppData\Local\Temp\d59b000cecc3666195ad5bf1ca70430f_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4016

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

Query Registry

1

T1012

System Information Discovery

2

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\tmp7BA3.tmp

Filesize
1KB

MD5
b92a127b79c3d1a99f15809e0d234738

SHA1
7e6bdc70c5097ebb8b341663027b684b8a335755

SHA256
aec100371e45de07db0a272fbbeee6bba1b09e13e3e1288c561a1499374a6ab7

SHA512
b44a3b622225bfbb7cdaec34f4b6fe80c0e03560de1c1084d985ef886463f0c02948a53fdc1eecf3f6a8babf78d7de7f082b88f88cd895334d924dfdae7cc0eb

Download Submit
memory/3984-15-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3984-1-0x00000000004E0000-0x0000000000598000-memory.dmp

Filesize
736KB

Download
memory/3984-2-0x00000000027A0000-0x00000000027B2000-memory.dmp

Filesize
72KB

Download
memory/3984-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/3984-4-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/3984-5-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3984-6-0x0000000005550000-0x00000000055CC000-memory.dmp

Filesize
496KB

Download
memory/3984-7-0x0000000007A90000-0x0000000007B08000-memory.dmp

Filesize
480KB

Download
memory/3984-8-0x00000000059B0000-0x0000000005A4C000-memory.dmp

Filesize
624KB

Download
memory/3984-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/4016-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/4016-14-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4016-16-0x0000000005D10000-0x00000000062B4000-memory.dmp

Filesize
5.6MB

Download
memory/4016-17-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4016-18-0x0000000005720000-0x0000000005738000-memory.dmp

Filesize
96KB

Download
memory/4016-19-0x00000000062C0000-0x0000000006326000-memory.dmp

Filesize
408KB

Download
memory/4016-20-0x0000000006980000-0x00000000069D0000-memory.dmp

Filesize
320KB

Download
memory/4016-24-0x0000000006DF0000-0x0000000006DFA000-memory.dmp

Filesize
40KB

Download
memory/4016-25-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4016-26-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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