agenttesla | 4af88b1274a0eac4b1adccfde7a51efd4a01c13e668c73dbe61b5678b7d2c26f

General

Target

41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
Size

752KB
MD5

41c18fad057867a7b3acda6ebe7b3fc1
SHA1

afbd0216fedccffff82a77695c98f936585f0b1a
SHA256

4af88b1274a0eac4b1adccfde7a51efd4a01c13e668c73dbe61b5678b7d2c26f
SHA512

a9415893911b321ca6df2ab6017833eaf5bc52f4865e2c8441336248f38d208f01fcb6d28b723b63be27e99aba2ced1e855cf44e45876b55ea882821681d51e0
SSDEEP

12288:ZlD4VHfQe6ZyWshg+qbZxTZZWunAWviff5mKz9/musoCWn6a8SQNMARGBKSFh4Al:3D4VHfQe6ZyWshg+qbZxTZZWunAWvif8

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.stylestyrofoamind.com
Port:
587
Username:
[email protected]
Password:
Qwer@#+786

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/2900-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5048 set thread context of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
1552	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
2900	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
2900	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
Token: SeDebugPrivilege	2900	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2900	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5048 wrote to memory of 1552	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	90
PID 5048 wrote to memory of 1552	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	90
PID 5048 wrote to memory of 1552	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	90
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91
PID 5048 wrote to memory of 2900	5048	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5048
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FwfCfySDdnRGq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5E86.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1552
- C:\Users\Admin\AppData\Local\Temp\41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\41c18fad057867a7b3acda6ebe7b3fc1_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2900

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

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2900-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2900-26-0x00000000069C0000-0x0000000006A10000-memory.dmp

Filesize
320KB

Download
memory/2900-25-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-24-0x0000000006670000-0x00000000066D6000-memory.dmp

Filesize
408KB

Download
memory/2900-23-0x00000000065D0000-0x00000000065E8000-memory.dmp

Filesize
96KB

Download
memory/2900-22-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/2900-20-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-10-0x0000000007D10000-0x0000000007D8E000-memory.dmp

Filesize
504KB

Download
memory/5048-6-0x0000000007DB0000-0x0000000007E4C000-memory.dmp

Filesize
624KB

Download
memory/5048-9-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/5048-11-0x0000000007DA0000-0x0000000007DA6000-memory.dmp

Filesize
24KB

Download
memory/5048-12-0x0000000007F50000-0x0000000007F9C000-memory.dmp

Filesize
304KB

Download
memory/5048-7-0x0000000005930000-0x000000000594A000-memory.dmp

Filesize
104KB

Download
memory/5048-8-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/5048-21-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-5-0x0000000005640000-0x000000000564A000-memory.dmp

Filesize
40KB

Download
memory/5048-4-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/5048-3-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/5048-2-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/5048-1-0x0000000000A10000-0x0000000000AD2000-memory.dmp

Filesize
776KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads