agenttesla | 65f814d425b7ee87879f36e26f9de1442a5c37b064fc47032e256373f45491b6

General

Target

ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
Size

564KB
MD5

ecffc6b5d33f3c4cb6e583dc453d1f40
SHA1

06923b8c2adc2b5865ea4a8f8923e40274c650dc
SHA256

65f814d425b7ee87879f36e26f9de1442a5c37b064fc47032e256373f45491b6
SHA512

9a4de932cd28304c02b487b07699a0eeeb9c227941dfc0ca79cd79b97bf0b886c2e32d39d2e775c0c4bc57ffcaa7ddf0c82cb231ff6f8b24722f8cec024a78e2
SSDEEP

12288:YZav2zv1gQFV2A8D3g3v4PTVioXLUKmhCFcn2JnzGj:M92QauuTgULVRHzG

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gautengelectrical.co.za
Port:
587
Username:
[email protected]
Password:
prisci7766
Email To:
[email protected]

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/3748-10-0x0000000000400000-0x000000000043C000-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

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	ecffc6b5d33f3c4cb6e583dc453d1f40_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	ecffc6b5d33f3c4cb6e583dc453d1f40_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	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5036 set thread context of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93

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	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecffc6b5d33f3c4cb6e583dc453d1f40_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
4636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
3748	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
3748	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
Token: SeDebugPrivilege	3748	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3748	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5036 wrote to memory of 4636	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	91
PID 5036 wrote to memory of 4636	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	91
PID 5036 wrote to memory of 4636	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	91
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93
PID 5036 wrote to memory of 3748	5036	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe	93

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	ecffc6b5d33f3c4cb6e583dc453d1f40_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	ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecffc6b5d33f3c4cb6e583dc453d1f40_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:5036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lgUoFXUdc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp623F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4636
- C:\Users\Admin\AppData\Local\Temp\ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe"
  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:3748

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\Microsoft\CLR_v2.0_32\UsageLogs\ecffc6b5d33f3c4cb6e583dc453d1f40_JaffaCakes118.exe.log

Filesize
496B

MD5
5b4789d01bb4d7483b71e1a35bce6a8b

SHA1
de083f2131c9a763c0d1810c97a38732146cffbf

SHA256
e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6

SHA512
357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp623F.tmp

Filesize
1KB

MD5
ccdbf140e9587bad663d769faa0a4342

SHA1
4f34b886b258236fcaa373551082bbec82812946

SHA256
7b72fd34f15e8a9b7b534f5e6bcb389c5c186a042ef623a58c3424fd1e614712

SHA512
968ad0be27b4b3391c71c37dbfef342c2f93b6ceb1ab82bf1d3d05ab9d09835390f5aadb9f0c35e44379ee9a5ab7bf06bc7ad4c971489524a6f147c02484e3cd

Download Submit
memory/3748-16-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-21-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-20-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-19-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-18-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3748-14-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-17-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/3748-15-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/5036-4-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/5036-13-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/5036-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/5036-3-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

Filesize
4KB

Download
memory/5036-2-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/5036-1-0x0000000074AB0000-0x0000000075061000-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