agenttesla | 245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af

General

Target

Ref_50102_607.7z.exe
Size

639KB
MD5

945fbe2f3b89dccd586062c07a532d55
SHA1

b3c31488bc86630267881bb0675a4c8baac65bf6
SHA256

245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af
SHA512

10bed2ba141cd01359d95e92fde52dc91d9fb8b5e1108d6faac6cacfbc181788cbda4fad7b7eac25c13812f41e433b237c1216387d687c35465c0b7cba858e5a
SSDEEP

12288:58a9pdkUE0oNHfEGIU+u5siT90lyjTo+AUFyD0/5X9zGbnBk7wakR:58andkt3NMG9l5sk90ITYY/Otqw5

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
2832	powershell.exe
2740	powershell.exe

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

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
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 2412	2640	Ref_50102_607.7z.exe	37

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	Ref_50102_607.7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref_50102_607.7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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
2860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2640	Ref_50102_607.7z.exe
2412	Ref_50102_607.7z.exe
2412	Ref_50102_607.7z.exe
2832	powershell.exe
2740	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2412	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2832	powershell.exe
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2832	2640	Ref_50102_607.7z.exe	31
PID 2640 wrote to memory of 2832	2640	Ref_50102_607.7z.exe	31
PID 2640 wrote to memory of 2832	2640	Ref_50102_607.7z.exe	31
PID 2640 wrote to memory of 2832	2640	Ref_50102_607.7z.exe	31
PID 2640 wrote to memory of 2740	2640	Ref_50102_607.7z.exe	33
PID 2640 wrote to memory of 2740	2640	Ref_50102_607.7z.exe	33
PID 2640 wrote to memory of 2740	2640	Ref_50102_607.7z.exe	33
PID 2640 wrote to memory of 2740	2640	Ref_50102_607.7z.exe	33
PID 2640 wrote to memory of 2860	2640	Ref_50102_607.7z.exe	34
PID 2640 wrote to memory of 2860	2640	Ref_50102_607.7z.exe	34
PID 2640 wrote to memory of 2860	2640	Ref_50102_607.7z.exe	34
PID 2640 wrote to memory of 2860	2640	Ref_50102_607.7z.exe	34
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37
PID 2640 wrote to memory of 2412	2640	Ref_50102_607.7z.exe	37

C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
"C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- 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\Ref_50102_607.7z.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XtBOrehPamR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C93.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3C93.tmp

Filesize
1KB

MD5
34618db11bb7fc973687f8921dc1bf53

SHA1
636be26ccf5af583d45bb30a461c5db98f59ea9a

SHA256
6002f76a675c2030c070c22717f29e689490552713b340f0e4b60f4b6beea33d

SHA512
31bbcc87e7b7e78ab5f0791bce4b8265adc77d78d863d353145ff1bf62784f5bf4ee2b9b170cfe39fbfe2059c82f126eec7874e577ca7a4539c369496528be5c

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

Filesize
7KB

MD5
fae89832989e3d4ea3c5fc320ba24db3

SHA1
d11bde18611f474a039ec707c724c0d6d91f302a

SHA256
24b907611e870c991b57831154de5ea33019d3e843dba6edb31c14504b7fe270

SHA512
be0d0e064116aa4631f12c6c95d9e433006bc601159e041f43ab3d320f4d3319a90126bc2d36424186dc69b37623e5de4f51588a768b49626c95b6639997e1a3

Download Submit
memory/2412-32-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-26-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000000E40000-0x0000000000EE2000-memory.dmp

Filesize
648KB

Download
memory/2640-2-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2640-33-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-7-0x0000000005690000-0x0000000005714000-memory.dmp

Filesize
528KB

Download
memory/2640-3-0x0000000005260000-0x00000000052FA000-memory.dmp

Filesize
616KB

Download
memory/2640-6-0x0000000074490000-0x0000000074B7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-5-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/2640-4-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads