agenttesla | 905d39fb9da393f7f2127d11e60860e6faa3aeed8dcaff56f2d8fa09c9a04902

Resubmissions

03/01/2025, 23:07

250103-2344xa1kcj 10

03/01/2025, 12:42

250103-pxdcsatray 10

03/01/2025, 12:26

250103-pmhvhstlhw 10

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 12:26

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General

Target

Invoice Confirmation.exe
Size

810.6MB
MD5

63395033fc8d13ddd17e74e4bb13d5d6
SHA1

0a65c313504c8bcac8dc2eec944dd078a71ce384
SHA256

c322c179201974d21315230539606d1292a9159527f3f2eafa9d6167e8f51ae2
SHA512

4a1eb33f370ac2ba32bea1af287abe753edfa63e493e9045960303b1990c1cbdb289dd3ebd273ff87ad68b912b4e016877dd3f78b8ed5ce373a3f20b581a0718
SSDEEP

12288:mIR4R52J+XtyfG+Lzb6C65feSfSecDAMEnLwh8aFfxc1C0rmZdXm8qzd9p2MIR:mIeeJfG+LNzecKiVfaBiHXU9pTI

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6882044231:AAEdfz6RtcLc5FDAwOwS8UYabnK3tQ7x4bs/

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
572	powershell.exe
320	powershell.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2280 set thread context of 2600	2280	Invoice Confirmation.exe	40

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

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 6 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Confirmation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Invoice Confirmation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
292	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2964	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
320	powershell.exe
572	powershell.exe
2280	Invoice Confirmation.exe
2280	Invoice Confirmation.exe
2600	Invoice Confirmation.exe
2600	Invoice Confirmation.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	320	powershell.exe
Token: SeDebugPrivilege	572	powershell.exe
Token: SeDebugPrivilege	2280	Invoice Confirmation.exe
Token: SeDebugPrivilege	2600	Invoice Confirmation.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2964	WINWORD.EXE
2964	WINWORD.EXE
2964	WINWORD.EXE

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2552	2964	WINWORD.EXE	32
PID 2964 wrote to memory of 2552	2964	WINWORD.EXE	32
PID 2964 wrote to memory of 2552	2964	WINWORD.EXE	32
PID 2964 wrote to memory of 2552	2964	WINWORD.EXE	32
PID 2280 wrote to memory of 320	2280	Invoice Confirmation.exe	33
PID 2280 wrote to memory of 320	2280	Invoice Confirmation.exe	33
PID 2280 wrote to memory of 320	2280	Invoice Confirmation.exe	33
PID 2280 wrote to memory of 320	2280	Invoice Confirmation.exe	33
PID 2280 wrote to memory of 572	2280	Invoice Confirmation.exe	35
PID 2280 wrote to memory of 572	2280	Invoice Confirmation.exe	35
PID 2280 wrote to memory of 572	2280	Invoice Confirmation.exe	35
PID 2280 wrote to memory of 572	2280	Invoice Confirmation.exe	35
PID 2280 wrote to memory of 292	2280	Invoice Confirmation.exe	37
PID 2280 wrote to memory of 292	2280	Invoice Confirmation.exe	37
PID 2280 wrote to memory of 292	2280	Invoice Confirmation.exe	37
PID 2280 wrote to memory of 292	2280	Invoice Confirmation.exe	37
PID 2280 wrote to memory of 2832	2280	Invoice Confirmation.exe	39
PID 2280 wrote to memory of 2832	2280	Invoice Confirmation.exe	39
PID 2280 wrote to memory of 2832	2280	Invoice Confirmation.exe	39
PID 2280 wrote to memory of 2832	2280	Invoice Confirmation.exe	39
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40
PID 2280 wrote to memory of 2600	2280	Invoice Confirmation.exe	40

C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KmihxwKU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:572
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KmihxwKU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA525.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:292
- C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
  2⤵
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe
  "C:\Users\Admin\AppData\Local\Temp\Invoice Confirmation.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2600

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Desktop\UnpublishTest.docx"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA525.tmp

Filesize
1KB

MD5
a7de85b97e79ca11b1988487705ff49e

SHA1
4518d22bbae33fa5594070cef2a21bb83fb4d17f

SHA256
8623ab758d88bb6a53f814297e16b80c112750367ad6df1f7176bef6a32390f5

SHA512
2f4751f353b1230b2fcd4215ad5d3688b9f45505526f080396389415eede86680591972caa19e531c3deb3b619ce7c55de942ed92a8d69c51e833035135d13f1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
cbc7e602dba733286e553d5498eac3f1

SHA1
aa67d022370dc49894081e5684b11da8d59ab11e

SHA256
3976d01499305982d7d4a949976388154ad2938061398187371565accff45b75

SHA512
bf6d6d7ac857886aeba5e4b639be4f712e8e6cc03409ba420d6dcb17f19040125900f7238d5506b1681274f0aa484a663c2852bc09e99aad10a63c9d8042464b

Download Submit
memory/2280-16-0x0000000004BB0000-0x0000000004C36000-memory.dmp

Filesize
536KB

Download
memory/2280-1-0x0000000000200000-0x00000000002B6000-memory.dmp

Filesize
728KB

Download
memory/2280-2-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-3-0x0000000000560000-0x0000000000578000-memory.dmp

Filesize
96KB

Download
memory/2280-41-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2280-0-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2280-12-0x00000000740EE000-0x00000000740EF000-memory.dmp

Filesize
4KB

Download
memory/2280-13-0x00000000740E0000-0x00000000747CE000-memory.dmp

Filesize
6.9MB

Download
memory/2600-39-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-40-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-38-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-37-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-35-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-33-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2600-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2964-14-0x000000006CF4D000-0x000000006CF58000-memory.dmp

Filesize
44KB

Download
memory/2964-6-0x000000006CF4D000-0x000000006CF58000-memory.dmp

Filesize
44KB

Download
memory/2964-5-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2964-4-0x000000002F211000-0x000000002F212000-memory.dmp

Filesize
4KB

Download