agenttesla | c4f52f084ead43c02434a0cc01589b1ff470e57b5d67e1a551569f670f4283d9

General

Target

JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Size

436KB
MD5

3287ea0611a99696127d6412b3b30d71
SHA1

8df36628bca0e17eb876a29063f01cc9ef33d596
SHA256

c4f52f084ead43c02434a0cc01589b1ff470e57b5d67e1a551569f670f4283d9
SHA512

31d99f27b11e561e2874ff5cc2536bbe7d4e2a1c0e7ee9ffec6f049f52925d90b27042f38fbaad5653f918276148f0b4e1a6333fa579f40a627faefe449289ac
SSDEEP

6144:n1sDKdwpygrVDVtkoaV5gjVMCATZTO3L+nbU3xeJfU7/zS2KzYt1PYK:pdwp9VDVt/ECATZTO3LubU3IM7S2RQ

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.thts.vn
Port:
587
Username:
[email protected]
Password:
123luongngan1989
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2944-16-0x0000000000400000-0x000000000043C000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5064 set thread context of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100

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	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.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
880	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2944	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
2944	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2944	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 880	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	98
PID 5064 wrote to memory of 880	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	98
PID 5064 wrote to memory of 880	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	98
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100
PID 5064 wrote to memory of 2944	5064	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KScHvB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA3E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:880
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.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:2944

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

2

T1552

Credentials In Files

2

T1552.001

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_v4.0_32\UsageLogs\JaffaCakes118_3287ea0611a99696127d6412b3b30d71.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2944-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2944-26-0x0000000006150000-0x00000000061A0000-memory.dmp

Filesize
320KB

Download
memory/2944-25-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2944-24-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2944-23-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/2944-22-0x0000000005E90000-0x0000000005EA8000-memory.dmp

Filesize
96KB

Download
memory/2944-21-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2944-19-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/5064-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

Filesize
40KB

Download
memory/5064-10-0x0000000006FD0000-0x0000000007030000-memory.dmp

Filesize
384KB

Download
memory/5064-9-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/5064-8-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/5064-7-0x0000000005E60000-0x0000000005E6E000-memory.dmp

Filesize
56KB

Download
memory/5064-20-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/5064-6-0x0000000006F30000-0x0000000006FCC000-memory.dmp

Filesize
624KB

Download
memory/5064-0-0x000000007504E000-0x000000007504F000-memory.dmp

Filesize
4KB

Download
memory/5064-4-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/5064-3-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/5064-2-0x0000000005E70000-0x0000000006414000-memory.dmp

Filesize
5.6MB

Download
memory/5064-1-0x0000000000DD0000-0x0000000000E44000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads