agenttesla | 6780e42f23695940d4d5dc6a2e303bb68743266ad0fbb0a0e0a3a3da50b7c79f

General

Target

P23067 RFQ.exe
Size

878KB
MD5

84f2adfbd63e0c82a3d6c190d3216ca0
SHA1

d2439a2de189f9d3c55cbdc0b801fd07a9aecc53
SHA256

2a7c0a2ba123eba273f8e752ee51976ac67e0a5c0b83940b8a6fa76013576f56
SHA512

11253940dd2e041640dae089c5ff79197d95d8839c87637988a0175dff694dd63a52a36d6be5da066931b073bcd70ec6d526ca8ec34b65e82fc020752c635a1c
SSDEEP

12288:HAfs4r/h/s3YdHCdPxMX6kyA8crF/+4h5/Qfac7N5dkR:V4r/lHI53kHx/+41qac7NW

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6852245174:AAHgk_9s-tH6YNacTaCnQz56uJMggI0fZDw/

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
2100	powershell.exe
2864	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

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 2084 set thread context of 356	2084	P23067 RFQ.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	P23067 RFQ.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P23067 RFQ.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
2716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
2084	P23067 RFQ.exe
356	P23067 RFQ.exe
356	P23067 RFQ.exe
2864	powershell.exe
2100	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	P23067 RFQ.exe
Token: SeDebugPrivilege	356	P23067 RFQ.exe
Token: SeDebugPrivilege	2864	powershell.exe
Token: SeDebugPrivilege	2100	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
356	P23067 RFQ.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2100	2084	P23067 RFQ.exe	31
PID 2084 wrote to memory of 2100	2084	P23067 RFQ.exe	31
PID 2084 wrote to memory of 2100	2084	P23067 RFQ.exe	31
PID 2084 wrote to memory of 2100	2084	P23067 RFQ.exe	31
PID 2084 wrote to memory of 2864	2084	P23067 RFQ.exe	33
PID 2084 wrote to memory of 2864	2084	P23067 RFQ.exe	33
PID 2084 wrote to memory of 2864	2084	P23067 RFQ.exe	33
PID 2084 wrote to memory of 2864	2084	P23067 RFQ.exe	33
PID 2084 wrote to memory of 2716	2084	P23067 RFQ.exe	35
PID 2084 wrote to memory of 2716	2084	P23067 RFQ.exe	35
PID 2084 wrote to memory of 2716	2084	P23067 RFQ.exe	35
PID 2084 wrote to memory of 2716	2084	P23067 RFQ.exe	35
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37
PID 2084 wrote to memory of 356	2084	P23067 RFQ.exe	37

C:\Users\Admin\AppData\Local\Temp\P23067 RFQ.exe
"C:\Users\Admin\AppData\Local\Temp\P23067 RFQ.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- 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\P23067 RFQ.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2100
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cRvngpcx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cRvngpcx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp363D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2716
- C:\Users\Admin\AppData\Local\Temp\P23067 RFQ.exe
  "C:\Users\Admin\AppData\Local\Temp\P23067 RFQ.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:356

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp363D.tmp

Filesize
1KB

MD5
478d3e742b2550eb4106a9fc24bbe0f6

SHA1
09091301a9473bd323782a2bfd999ff7fa09de2a

SHA256
20d711d21c2d5a84a4808dfe73913c967fedfa2785a695c6242a8e88d58fe012

SHA512
25d8f9b0ba1036c51b41840ed949d158e60935bca53edd58242b11a0aecbf1241ea450caf3581bae30a6a5433dfd9b4f6b778b693e8d8a54337401d09b0d59ba

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

Filesize
7KB

MD5
9d5bcb23f30e0937ae061c916dc40d56

SHA1
8e572500dac998a6e2d4a99d5414b977e4d9b156

SHA256
31b19d7c0bf6d7a821474b52bc525b4162fe2b7ce348138716cfbeab5dfdb8d1

SHA512
14dd3d652ab174898514927e5acaa6659f9b7e1295ccb35ae68b1d1248d7b4f50d7bea4e7fc8fec946dcbfac7847cce524a1cc7e6b6da597f9ca5cf8bf6ad45a

Download Submit
memory/356-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-25-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-21-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-23-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/356-31-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/356-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2084-6-0x00000000003F0000-0x0000000000476000-memory.dmp

Filesize
536KB

Download
memory/2084-1-0x0000000000920000-0x00000000009FE000-memory.dmp

Filesize
888KB

Download
memory/2084-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2084-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x00000000002C0000-0x00000000002DE000-memory.dmp

Filesize
120KB

Download
memory/2084-5-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-4-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/2084-32-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads