agenttesla | c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 02:26

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General

Target

1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Size

1.1MB
MD5

1173ca30d76e1993380712b278b6a109
SHA1

b064d00b7c7ac33f0b329421412a5a59a24af92c
SHA256

c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874
SHA512

a698bf539217e56abf3a5b6c810f903526176a8bf6950af6efd6bc4a251cb63e4f34fb6d1064ce8801fa384a39cfc11d0c3f920323397b84b6f7583aea86169e
SSDEEP

24576:vSHZa/h/B9MNjFho70L14GmSKnXJQT0OXQsiN7f:vSHZVhr+0LBKnXJ/OXQlh

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/4100-18-0x0000000000400000-0x000000000043C000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	1173ca30d76e1993380712b278b6a109_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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MLdAu = "C:\\Users\\Admin\\AppData\\Roaming\\MLdAu\\MLdAu.exe"	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1480 set thread context of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95

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	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1173ca30d76e1993380712b278b6a109_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
2032	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
4100	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
4100	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
Token: SeDebugPrivilege	4100	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4100	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2032	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	93
PID 1480 wrote to memory of 2032	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	93
PID 1480 wrote to memory of 2032	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	93
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95
PID 1480 wrote to memory of 4100	1480	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_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:1480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oSJuRSmgDqR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B07.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2032
- C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\1173ca30d76e1993380712b278b6a109_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:4100

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\1173ca30d76e1993380712b278b6a109_JaffaCakes118.exe.log

Filesize
1KB

MD5
0935be101a4e34e520699d3f1974faed

SHA1
f0cafba784073a280996f5751994b4b856938859

SHA256
3f22b8f1925056e79638708d82cb8ebdaf22d409bcea2a79fe779cef2665583d

SHA512
3fd2236ac414612432c52ca9c810ce148a52678c04eac04e470fb1c4a918a6aaf4f55a31b73697c7b05a23d031bc428b309cbd93b4534fe789d10613f5ef123b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7B07.tmp

Filesize
1KB

MD5
c25e552a6ce6207f51eb1b94b966f33d

SHA1
66c42f781897e4ab471377c6056dac3024a3988a

SHA256
c20e5d285f7877b606d3bc9500fc3afa6c3c4211f18ac97b12175a6d55035098

SHA512
9eb65b3d564478231701563cdff377306b86b07bba5c1f4c70f0a9225b65ce07fa7e7020bee9df01c894b712b7b14adb56358b2b20dfeb246a312b6f07998bbd

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

Filesize
1.1MB

MD5
1173ca30d76e1993380712b278b6a109

SHA1
b064d00b7c7ac33f0b329421412a5a59a24af92c

SHA256
c6133d9ed21a03bf391b5428aa4af7702fa7704e4939f43d526a8fcba25a7874

SHA512
a698bf539217e56abf3a5b6c810f903526176a8bf6950af6efd6bc4a251cb63e4f34fb6d1064ce8801fa384a39cfc11d0c3f920323397b84b6f7583aea86169e

Download Submit
memory/1480-12-0x00000000064F0000-0x000000000652C000-memory.dmp

Filesize
240KB

Download
memory/1480-10-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1480-5-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/1480-6-0x0000000002DD0000-0x0000000002DDA000-memory.dmp

Filesize
40KB

Download
memory/1480-7-0x0000000007B10000-0x0000000007B2A000-memory.dmp

Filesize
104KB

Download
memory/1480-8-0x0000000008F00000-0x0000000009254000-memory.dmp

Filesize
3.3MB

Download
memory/1480-9-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1480-1-0x0000000000850000-0x0000000000972000-memory.dmp

Filesize
1.1MB

Download
memory/1480-11-0x00000000095E0000-0x0000000009682000-memory.dmp

Filesize
648KB

Download
memory/1480-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

Filesize
4KB

Download
memory/1480-3-0x0000000007830000-0x00000000078C2000-memory.dmp

Filesize
584KB

Download
memory/1480-4-0x00000000078D0000-0x000000000796C000-memory.dmp

Filesize
624KB

Download
memory/1480-2-0x0000000007DE0000-0x0000000008384000-memory.dmp

Filesize
5.6MB

Download
memory/1480-21-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4100-23-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-24-0x0000000005A70000-0x0000000005A88000-memory.dmp

Filesize
96KB

Download
memory/4100-25-0x0000000005E00000-0x0000000005E66000-memory.dmp

Filesize
408KB

Download
memory/4100-26-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-27-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-22-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-30-0x0000000001690000-0x00000000016E0000-memory.dmp

Filesize
320KB

Download
memory/4100-31-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download
memory/4100-32-0x00000000750D0000-0x0000000075880000-memory.dmp

Filesize
7.7MB

Download