agenttesla | 004af6a9a8743250057ea5199c4764ab4d0c472babc5bfbb3b37beb74a4ca986

General

Target

scan_865784.scr
Size

762KB
MD5

ab81060e67501bc08bd8a3f9bac5367f
SHA1

f877625633f98d1f42c50e37006f808aa61630ba
SHA256

7ef4c75ee4a5f3b7f2ac44323d9ba15bcd24f5d0b9e3e04dc330dc6cde421b7c
SHA512

61782aa2dc9663cdeb016a0b0dac91cbb4eaee8f293a1f96486539dae32c144643b299c87745657ad0682208aa5586e1ad3340e62f99f371dbdc683eb3b2717a
SSDEEP

12288:VUxAdWvsd2eUUHd8GX5b+EE203zQeDZDr0ZeVN1csr8qHv0U3TB39:VUxpa2ZUHd8GXhE20DnFf0MVNrnPx39

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
2836	powershell.exe
2668	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2172 set thread context of 2104	2172	scan_865784.scr	35

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 5 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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	scan_865784.scr
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
2684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

pid	Process
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2172	scan_865784.scr
2104	vbc.exe
2104	vbc.exe
2836	powershell.exe
2668	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	scan_865784.scr
Token: SeDebugPrivilege	2104	vbc.exe
Token: SeDebugPrivilege	2836	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2836	2172	scan_865784.scr	29
PID 2172 wrote to memory of 2836	2172	scan_865784.scr	29
PID 2172 wrote to memory of 2836	2172	scan_865784.scr	29
PID 2172 wrote to memory of 2836	2172	scan_865784.scr	29
PID 2172 wrote to memory of 2668	2172	scan_865784.scr	31
PID 2172 wrote to memory of 2668	2172	scan_865784.scr	31
PID 2172 wrote to memory of 2668	2172	scan_865784.scr	31
PID 2172 wrote to memory of 2668	2172	scan_865784.scr	31
PID 2172 wrote to memory of 2684	2172	scan_865784.scr	33
PID 2172 wrote to memory of 2684	2172	scan_865784.scr	33
PID 2172 wrote to memory of 2684	2172	scan_865784.scr	33
PID 2172 wrote to memory of 2684	2172	scan_865784.scr	33
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35
PID 2172 wrote to memory of 2104	2172	scan_865784.scr	35

C:\Users\Admin\AppData\Local\Temp\scan_865784.scr
"C:\Users\Admin\AppData\Local\Temp\scan_865784.scr" /S
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172
- 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\scan_865784.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jUTthTUyPiZyGH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jUTthTUyPiZyGH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1EE6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2684
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1EE6.tmp

Filesize
1KB

MD5
525b770a56dcbc6f4015c1f3ae9b3a69

SHA1
3fb63ff11bdb01cc4d6991b3aef92aa35ca9677f

SHA256
007089e36d8c22108a592a1a4169c4b8757007059de29fbbbeedf383cdbdf5e4

SHA512
60f0c2ec4001a62e8bc7c6f989bf67aa95ad9bef8b1a64f8bbdf19e4c0cc8d3b4a31abc20024157e6cff2a62b7ea34a72429deaf4f834d168cefab9ec8911123

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

Filesize
7KB

MD5
dd2ad052a4a6075f4f1b5b34ca997722

SHA1
add0738a8707c68835c4fc6db4354d76fadb7bdd

SHA256
4c2cf6aa72890673a5259f44d60ca8bfba49fa1cf8d2df23b49c1b635c9eaa51

SHA512
0ee528f2f45e7f3e5caacba108848dec85ddcd86b0b8f5ae31185c31b7c2ee56ead3d9822cc1a12e31667a62fd8260063365c24ea1b87c59fadac4d53d20f2d9

Download Submit
memory/2104-31-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-28-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2104-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2104-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2172-1-0x00000000013C0000-0x0000000001484000-memory.dmp

Filesize
784KB

Download
memory/2172-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2172-7-0x0000000005A00000-0x0000000005A84000-memory.dmp

Filesize
528KB

Download
memory/2172-6-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-3-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/2172-5-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2172-4-0x0000000000A00000-0x0000000000A1E000-memory.dmp

Filesize
120KB

Download
memory/2172-32-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads