agenttesla | f53b6d36630cd089f95cc2127cb9c564068512d6a4a4eaec1fe95e25f7f32d1a

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 17:01

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General

Target

06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
Size

1.4MB
MD5

06a342da8fe87ea74a7b5c3e945212d2
SHA1

01e94d38c651de33c1698da25717c05e837c1251
SHA256

f53b6d36630cd089f95cc2127cb9c564068512d6a4a4eaec1fe95e25f7f32d1a
SHA512

715003570d39f3d593d1319b8e8513b865bb8738a2cf216242b81df04698a3efacb68ce465dc05e2eab491e4194df0095855af4c05851231a996d92a67f19fb5
SSDEEP

12288:cSz96nx/5heyeqkiML46rZ7aT6qOLF4SijBU4uI1n+oT2fXJqWgSHRzjlM+DWLWO:cSx6zJV6rF/zLF1ijQINT2fX/U

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mail.ru
Port:
587
Username:
[email protected]
Password:
xxxlahot2

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/1380-18-0x0000000000400000-0x000000000043C000-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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	06a342da8fe87ea74a7b5c3e945212d2_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-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	06a342da8fe87ea74a7b5c3e945212d2_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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TmZaMAa = "C:\\Users\\Admin\\AppData\\Roaming\\TmZaMAa\\TmZaMAa.exe"	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2560 set thread context of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93

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	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06a342da8fe87ea74a7b5c3e945212d2_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
4556	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1380	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
1380	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2560 wrote to memory of 4556	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	91
PID 2560 wrote to memory of 4556	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	91
PID 2560 wrote to memory of 4556	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	91
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93
PID 2560 wrote to memory of 1380	2560	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RzLyBv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A16.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4556
- C:\Users\Admin\AppData\Local\Temp\06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\06a342da8fe87ea74a7b5c3e945212d2_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:1380

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\06a342da8fe87ea74a7b5c3e945212d2_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3A16.tmp

Filesize
1KB

MD5
849c97f7d26c9fa09d0b568d3ece7bb8

SHA1
5da87b17b0be48ad88feb12debb415187376c099

SHA256
f9bb5bc434e86c8e5fbc4d701cbb3a0ff4589d4bed550a7920ea1ff539b50dd4

SHA512
c8f4b27250d050971741331d257ac30a24a11c5e1614c50ff9a9ac0e75c289e91a748a2c90218ae5a38676de87369adceaec70364b5f0df6d8e40b601ffc9ac9

Download Submit
memory/1380-30-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1380-29-0x00000000065F0000-0x0000000006640000-memory.dmp

Filesize
320KB

Download
memory/1380-27-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1380-26-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1380-25-0x0000000006170000-0x00000000061D6000-memory.dmp

Filesize
408KB

Download
memory/1380-24-0x00000000060C0000-0x00000000060D8000-memory.dmp

Filesize
96KB

Download
memory/1380-23-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1380-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/1380-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2560-7-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2560-6-0x00000000053F0000-0x0000000005446000-memory.dmp

Filesize
344KB

Download
memory/2560-11-0x0000000006070000-0x0000000006112000-memory.dmp

Filesize
648KB

Download
memory/2560-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2560-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2560-8-0x0000000005140000-0x000000000515E000-memory.dmp

Filesize
120KB

Download
memory/2560-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/2560-12-0x0000000005E60000-0x0000000005E9C000-memory.dmp

Filesize
240KB

Download
memory/2560-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/2560-5-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/2560-4-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/2560-3-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/2560-2-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/2560-1-0x0000000000560000-0x00000000006C8000-memory.dmp

Filesize
1.4MB

Download