agenttesla | 8473ee961247610938e2129b09f37e9f919dcd13d9328111eda346ebffc4bd81

Analysis

max time kernel
149s
max time network
126s
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, 10:44

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General

Target

0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
Size

708KB
MD5

0583223e2643902820a5cbfe07d5cd31
SHA1

d0733cc8bf1332d425f9687643b3556e6c8ebb54
SHA256

8473ee961247610938e2129b09f37e9f919dcd13d9328111eda346ebffc4bd81
SHA512

267edc65ec8367a659773e42eeb6cb84f976632d359c2f31dfe21ba4e0791431eea236cf386edbce678ef42b4c74f70eb1bfbff15b22c2f879245bab75f402b8
SSDEEP

12288:EnM/HK7zB3sToaW55vgXCqB9l24V1Mc2VVcahGA8qEPOqS:eN8XW5aSi9jMFVCahD8qEH

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.spamora.net
Port:
587
Username:
[email protected]
Password:
Emotion22

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/1276-17-0x0000000000400000-0x000000000043C000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	0583223e2643902820a5cbfe07d5cd31_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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0583223e2643902820a5cbfe07d5cd31_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	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0583223e2643902820a5cbfe07d5cd31_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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 644 set thread context of 1276	644	0583223e2643902820a5cbfe07d5cd31_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	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.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
4760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
1276	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
1276	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
Token: SeDebugPrivilege	1276	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1276	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 4760	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	91
PID 644 wrote to memory of 4760	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	91
PID 644 wrote to memory of 4760	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	91
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93
PID 644 wrote to memory of 1276	644	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe	93

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	0583223e2643902820a5cbfe07d5cd31_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	0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0583223e2643902820a5cbfe07d5cd31_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:644
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kyulRaQjiPqIFf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4E69.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4760
- C:\Users\Admin\AppData\Local\Temp\0583223e2643902820a5cbfe07d5cd31_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0583223e2643902820a5cbfe07d5cd31_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
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1276

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\Temp\tmp4E69.tmp

Filesize
1KB

MD5
1961b96113aed7b745034385565a3242

SHA1
ee6d7a87b6fab446419dc58b6637bcfe2f478e08

SHA256
c7bb41bd0f988e08db8bcdafbe83927a418b229cbfc90dea60c858eaf94fbe86

SHA512
ebe69193b1d374d6b89d60db86dbe88d6f966f56509b1379b0d8adcb3028d69fab3a1b70c9f62bf21a52663400434f7585457176c91231b03ce06708ae9dd50d

Download Submit
C:\Users\Admin\AppData\Roaming\MLdAu\MLdAu.exe

Filesize
708KB

MD5
0583223e2643902820a5cbfe07d5cd31

SHA1
d0733cc8bf1332d425f9687643b3556e6c8ebb54

SHA256
8473ee961247610938e2129b09f37e9f919dcd13d9328111eda346ebffc4bd81

SHA512
267edc65ec8367a659773e42eeb6cb84f976632d359c2f31dfe21ba4e0791431eea236cf386edbce678ef42b4c74f70eb1bfbff15b22c2f879245bab75f402b8

Download Submit
memory/644-6-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/644-10-0x0000000007810000-0x00000000078B2000-memory.dmp

Filesize
648KB

Download
memory/644-4-0x0000000005A80000-0x0000000005B1C000-memory.dmp

Filesize
624KB

Download
memory/644-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

Filesize
40KB

Download
memory/644-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/644-7-0x0000000005C50000-0x0000000005C66000-memory.dmp

Filesize
88KB

Download
memory/644-8-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/644-1-0x0000000000E90000-0x0000000000F48000-memory.dmp

Filesize
736KB

Download
memory/644-20-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/644-11-0x0000000009E90000-0x0000000009ECC000-memory.dmp

Filesize
240KB

Download
memory/644-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/644-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/644-9-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-21-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1276-22-0x0000000006200000-0x0000000006218000-memory.dmp

Filesize
96KB

Download
memory/1276-23-0x00000000062A0000-0x0000000006306000-memory.dmp

Filesize
408KB

Download
memory/1276-24-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-25-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-19-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-28-0x00000000012C0000-0x0000000001310000-memory.dmp

Filesize
320KB

Download
memory/1276-29-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/1276-30-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download