agenttesla | 657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 03:22

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General

Target

50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Size

724KB
MD5

50854edd7d0b76d8934d27c093656f32
SHA1

02034f7e9c9d63ff0c689491d88800507947fac4
SHA256

657c69de502eb40844ebd953f665be2d7e1679b886a049ec6cdd246c3baf2360
SHA512

0efeb85d28f80966ed57dcff8233d25e325e1d4b7139d9c6328ebbc4c9292ed22c3ca4de79be074b270d382d8154e779c13788c4ba1187ced19731b54debe9bf
SSDEEP

12288:2dLEYstm9C86PWvo123x6IJYy0gL/+mHmq1z8H0HK7zwv5iTuj83n8gyu1UOntEH:YwUx6dgTuzyYRFWOnpl3zuoUP7p

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
22june1969

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/2376-18-0x0000000000400000-0x000000000043C000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	50854edd7d0b76d8934d27c093656f32_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 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
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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OBjSdZX = "C:\\Users\\Admin\\AppData\\Roaming\\OBjSdZX\\OBjSdZX.exe"	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4384 set thread context of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99

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	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	50854edd7d0b76d8934d27c093656f32_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
184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
2376	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
2376	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
Token: SeDebugPrivilege	2376	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 184	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	97
PID 4384 wrote to memory of 184	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	97
PID 4384 wrote to memory of 184	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	97
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99
PID 4384 wrote to memory of 2376	4384	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_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:4384
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GCgThaGvGC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp394B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:184
- C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\50854edd7d0b76d8934d27c093656f32_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp394B.tmp

Filesize
1KB

MD5
adbe0c0b1ec96651bcbcebb28fae422d

SHA1
85178ba852dd5f409b2f7c4cc4d5b7184eed3550

SHA256
23a79db4e173560863b56a5f74371d30f189a31d3be377eeeec1e1f47a95e731

SHA512
57d355b73496816a8d2d9648d6be91f81b5b7cf7beb37a70fd085cd34b620cb883f5acc726f9c9df73d275ae0ffcd9230a7bb0864372232ae76e63e3184f97ce

Download Submit
memory/2376-31-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-30-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-29-0x0000000006A50000-0x0000000006AA0000-memory.dmp

Filesize
320KB

Download
memory/2376-27-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-26-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-25-0x0000000006380000-0x00000000063E6000-memory.dmp

Filesize
408KB

Download
memory/2376-24-0x00000000062E0000-0x00000000062F8000-memory.dmp

Filesize
96KB

Download
memory/2376-23-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-21-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/2376-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4384-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/4384-7-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4384-11-0x0000000008540000-0x00000000085DE000-memory.dmp

Filesize
632KB

Download
memory/4384-10-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4384-9-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4384-22-0x00000000748E0000-0x0000000075090000-memory.dmp

Filesize
7.7MB

Download
memory/4384-8-0x0000000008450000-0x0000000008466000-memory.dmp

Filesize
88KB

Download
memory/4384-12-0x000000000ACB0000-0x000000000ACEC000-memory.dmp

Filesize
240KB

Download
memory/4384-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

Filesize
4KB

Download
memory/4384-6-0x0000000005A20000-0x0000000005A76000-memory.dmp

Filesize
344KB

Download
memory/4384-4-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/4384-3-0x0000000005CF0000-0x0000000006294000-memory.dmp

Filesize
5.6MB

Download
memory/4384-2-0x00000000056A0000-0x000000000573C000-memory.dmp

Filesize
624KB

Download
memory/4384-1-0x0000000000C80000-0x0000000000D3A000-memory.dmp

Filesize
744KB

Download