agenttesla | 14b98835cc44a97c3ccea697c83a9f5220fd4bb41720818b623ab0f88e20b654

General

Target

ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
Size

531KB
MD5

ea01c78e0f39a1de19864a4605e93586
SHA1

fb88a6740e6316f8d168a273e0e892474c3d86f4
SHA256

14b98835cc44a97c3ccea697c83a9f5220fd4bb41720818b623ab0f88e20b654
SHA512

55fe6f5b08d70ed8e38b81b3c456f0fbe7907da8e82b8e5ec01528fbf534ffe9f67eb195a421368d732aac6efd9d8e1332959520919c5a4616f9c6b43a3da376
SSDEEP

12288:5nupsFkuxwRQBfZQNUpR1ugBt/bXMXx37NnF0Eodutrh:VOuZQN0NBt/r2tNF0Botrh

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0180.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
Prasad@gis3

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/5060-14-0x0000000000400000-0x0000000000450000-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

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

resource	yara_rule
behavioral2/memory/3552-7-0x0000000007620000-0x0000000007678000-memory.dmp	rezer0

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	ea01c78e0f39a1de19864a4605e93586_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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3552 set thread context of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
4744	netsh.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
708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
Token: SeDebugPrivilege	5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 708	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	82
PID 3552 wrote to memory of 708	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	82
PID 3552 wrote to memory of 708	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	82
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 3552 wrote to memory of 5060	3552	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	84
PID 5060 wrote to memory of 4744	5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	92
PID 5060 wrote to memory of 4744	5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	92
PID 5060 wrote to memory of 4744	5060	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea01c78e0f39a1de19864a4605e93586_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:3552
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JXGyjj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB32.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:708
- C:\Users\Admin\AppData\Local\Temp\ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:5060
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:4744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

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\ea01c78e0f39a1de19864a4605e93586_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBB32.tmp

Filesize
1KB

MD5
238aefee78fb47aa58c8edf880838dd7

SHA1
c2a19221c27fb163a064e03d811ac6f1a40476e7

SHA256
ec4e99246ca2d517b0a4c2cdff490d1a5801c13fd3d79906cde01ebfcba11dfa

SHA512
80cb371f733c3fbce97216b53715e17ed14c2335217e5b00bad6efbb3ff67935ea13a35950dc68a0e3df6ab85983fafdb8404486fa141a906783c22a2d0c6edd

Download Submit
memory/3552-18-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-1-0x00000000001A0000-0x000000000022C000-memory.dmp

Filesize
560KB

Download
memory/3552-2-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/3552-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

Filesize
584KB

Download
memory/3552-4-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/3552-5-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/3552-6-0x0000000007420000-0x000000000742A000-memory.dmp

Filesize
40KB

Download
memory/3552-7-0x0000000007620000-0x0000000007678000-memory.dmp

Filesize
352KB

Download
memory/3552-8-0x0000000007730000-0x00000000077CC000-memory.dmp

Filesize
624KB

Download
memory/3552-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

Filesize
4KB

Download
memory/5060-14-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/5060-17-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5060-19-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5060-20-0x0000000005CB0000-0x0000000005CC8000-memory.dmp

Filesize
96KB

Download
memory/5060-21-0x0000000005D50000-0x0000000005DB6000-memory.dmp

Filesize
408KB

Download
memory/5060-22-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5060-23-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5060-24-0x0000000006B90000-0x0000000006BE0000-memory.dmp

Filesize
320KB

Download
memory/5060-25-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download
memory/5060-26-0x00000000753A0000-0x0000000075B50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads