agenttesla | 27570dc435f85d656611a92a0a64d2a01c89a5f9beab6b4306276e056a36f13b

General

Target

e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
Size

604KB
MD5

e26d7be6048d0c785f65f77b012ee715
SHA1

eeb6d42fbb960fcadb0290444ecdb7f4c80d9ea4
SHA256

27570dc435f85d656611a92a0a64d2a01c89a5f9beab6b4306276e056a36f13b
SHA512

994420fab010fde6e7204ba04be718a2bc7f9a51ff5f8b61006c60a1fc777727d31b5797fe7068bfe45c7e184715f6264938d48ede1d122dff3706460907983c
SSDEEP

12288:ssocSptndh0EIehMgb6cjWZqNeUXaTsrmJT6YashlM0JT6YashlM:hpSpJdh06b6cjaEoTx9ashlV9ashl

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fuslia.com
Port:
587
Username:
[email protected]
Password:
blessmegod@77

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/2316-12-0x0000000000400000-0x000000000043C000-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
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-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95

System Location Discovery: System Language Discovery 1 TTPs 2 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	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2316	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
2316	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2316	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95
PID 1400 wrote to memory of 2316	1400	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e26d7be6048d0c785f65f77b012ee715_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:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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 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_v4.0_32\UsageLogs\e26d7be6048d0c785f65f77b012ee715_JaffaCakes118.exe.log

Filesize
1KB

MD5
dc4f25880372b34bd321c7de4abb6616

SHA1
6e2f4c4f4ecaf53e0efcbe125572d3a78540e6fa

SHA256
e7ab3c07cfef749272019922d17900c020ce4281750ce9698cddacf85645d1fd

SHA512
f990c9ddf0749b55d861729a7adeb27338d783eaf9f8cf47e68f168bdf022b9ee52ee389219e6d58f7404cdf597cd76a1e5bbc4471ffbab67f6604f95854c9a5

Download Submit
memory/1400-6-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1400-2-0x0000000005970000-0x0000000005F14000-memory.dmp

Filesize
5.6MB

Download
memory/1400-3-0x00000000052C0000-0x0000000005352000-memory.dmp

Filesize
584KB

Download
memory/1400-4-0x00000000053C0000-0x0000000005416000-memory.dmp

Filesize
344KB

Download
memory/1400-5-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/1400-16-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1400-7-0x0000000005760000-0x00000000057FC000-memory.dmp

Filesize
624KB

Download
memory/1400-8-0x00000000055B0000-0x00000000055C2000-memory.dmp

Filesize
72KB

Download
memory/1400-9-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1400-10-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/1400-11-0x0000000006B50000-0x0000000006BB0000-memory.dmp

Filesize
384KB

Download
memory/1400-0-0x0000000074FDE000-0x0000000074FDF000-memory.dmp

Filesize
4KB

Download
memory/1400-1-0x0000000000860000-0x00000000008FE000-memory.dmp

Filesize
632KB

Download
memory/2316-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2316-17-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/2316-15-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/2316-18-0x00000000055E0000-0x00000000055F8000-memory.dmp

Filesize
96KB

Download
memory/2316-19-0x0000000006280000-0x00000000062E6000-memory.dmp

Filesize
408KB

Download
memory/2316-20-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/2316-21-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/2316-22-0x00000000067C0000-0x0000000006810000-memory.dmp

Filesize
320KB

Download
memory/2316-23-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download
memory/2316-24-0x0000000074FD0000-0x0000000075780000-memory.dmp

Filesize
7.7MB

Download

Analysis

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