agenttesla | 031527224e74b82bf16e639c666134674ecc8a6e648fed2f68255617bd6a3b18

Analysis

max time kernel
128s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 20:42

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General

Target

87597.exe
Size

704KB
MD5

7e19235ca4a6192bdace52baa0a40d26
SHA1

1ac8aa96052b0da4f7d1072ca8fee01ade2e9f71
SHA256

ed762437d06ffae4d27baec39379997d8acf7ae6e6e758611793f3fb2fafcee1
SHA512

a67be81bf2487babe021184427d47004791fca072b93ea61efa40d81680132ffcbd96cd78a00a8f316be50d5308ce1d5f2b29dc19be32e91a74a65a63c7705a0
SSDEEP

12288:l3MyvUIZbVWX7Q6cgNMuAx206pm2MGydGcHazvuHw3ItoaI43JYLh2ADli:5TvDBW3cEaeMGpcHazv0tV/OLh2ADl

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.badonfashoin.com/
Port:
21
Username:
[email protected]
Password:
kKsIA9XNV2zG

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral5/memory/2892-23-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2892-25-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2892-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2892-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2892-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	87597.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	87597.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	87597.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\hZpzJs = "C:\\Users\\Admin\\AppData\\Roaming\\hZpzJs\\hZpzJs.exe"	87597.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 2892	2380	87597.exe	33

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	87597.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87597.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
2776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2892	87597.exe
2892	87597.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2892	87597.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	87597.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2776	2380	87597.exe	31
PID 2380 wrote to memory of 2776	2380	87597.exe	31
PID 2380 wrote to memory of 2776	2380	87597.exe	31
PID 2380 wrote to memory of 2776	2380	87597.exe	31
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33
PID 2380 wrote to memory of 2892	2380	87597.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	87597.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	87597.exe

C:\Users\Admin\AppData\Local\Temp\87597.exe
"C:\Users\Admin\AppData\Local\Temp\87597.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\emoGDf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A28.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\87597.exe
  "C:\Users\Admin\AppData\Local\Temp\87597.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2892

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

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\tmp6A28.tmp

Filesize
1KB

MD5
47add57441e95b3fd361c8ecfba8abff

SHA1
9f1883162fa86bb367cba9964a62760a5c70cb53

SHA256
7cdffb900669c63a538d030a4a713b8d8d212b547829f596a657e5eb16ae88ca

SHA512
35559f9504e07b84074eb5180b467abb6908538b7378ecb828c2e96b2db8f7e414ff7d849c53614cfef57774a49f86be019f6e50706e78e9fb226c401a6fbf08

Download Submit
memory/2380-27-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-5-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2380-4-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2380-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2380-6-0x0000000005050000-0x00000000050D8000-memory.dmp

Filesize
544KB

Download
memory/2380-7-0x0000000004F10000-0x0000000004F50000-memory.dmp

Filesize
256KB

Download
memory/2380-1-0x00000000008A0000-0x0000000000956000-memory.dmp

Filesize
728KB

Download
memory/2380-3-0x00000000002B0000-0x00000000002D2000-memory.dmp

Filesize
136KB

Download
memory/2892-23-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-26-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2892-28-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-29-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-30-0x00000000749D0000-0x00000000750BE000-memory.dmp

Filesize
6.9MB

Download