agenttesla | 457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876

General

Target

Telco 32pcs New Purchase Order.exe
Size

968KB
MD5

8d310f2e831174aac8eaa5eba20e87ad
SHA1

600ef55976b69523c7973c5d0aeeb91f3fdcf97e
SHA256

457b6241f125cd8c4f030e7b7f05829b89a5e831f624225cb70ea272ecd88876
SHA512

a8a58d69131ae7b6736af515ad800eebe123df03c8c5b909e24ae64e382f310835f984d045f97aabe11a0f489e614b1d8d516add24d9cfde6f261ca88af75839
SSDEEP

24576:izFcFCG6ra2QIi2zGc9rwZTkfrw6bMfR1q:izFcsG3ZDc9riI0q

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
Asaprocky11
Email To:
[email protected]

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
2680	powershell.exe
2716	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 2 IoCs

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

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2216 set thread context of 1624	2216	Telco 32pcs New Purchase Order.exe	36

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	Telco 32pcs New Purchase Order.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	Telco 32pcs New Purchase Order.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 4 IoCs

pid	Process
1624	Telco 32pcs New Purchase Order.exe
1624	Telco 32pcs New Purchase Order.exe
2680	powershell.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	Telco 32pcs New Purchase Order.exe
Token: SeDebugPrivilege	2680	powershell.exe
Token: SeDebugPrivilege	2716	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1624	Telco 32pcs New Purchase Order.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2680	2216	Telco 32pcs New Purchase Order.exe	30
PID 2216 wrote to memory of 2680	2216	Telco 32pcs New Purchase Order.exe	30
PID 2216 wrote to memory of 2680	2216	Telco 32pcs New Purchase Order.exe	30
PID 2216 wrote to memory of 2680	2216	Telco 32pcs New Purchase Order.exe	30
PID 2216 wrote to memory of 2716	2216	Telco 32pcs New Purchase Order.exe	32
PID 2216 wrote to memory of 2716	2216	Telco 32pcs New Purchase Order.exe	32
PID 2216 wrote to memory of 2716	2216	Telco 32pcs New Purchase Order.exe	32
PID 2216 wrote to memory of 2716	2216	Telco 32pcs New Purchase Order.exe	32
PID 2216 wrote to memory of 2860	2216	Telco 32pcs New Purchase Order.exe	34
PID 2216 wrote to memory of 2860	2216	Telco 32pcs New Purchase Order.exe	34
PID 2216 wrote to memory of 2860	2216	Telco 32pcs New Purchase Order.exe	34
PID 2216 wrote to memory of 2860	2216	Telco 32pcs New Purchase Order.exe	34
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36
PID 2216 wrote to memory of 1624	2216	Telco 32pcs New Purchase Order.exe	36

C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216
- 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\Telco 32pcs New Purchase Order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2680
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zBzzGAdzqF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2716
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBzzGAdzqF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB49F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2860
- C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Telco 32pcs New Purchase Order.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1624

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\tmpB49F.tmp

Filesize
1KB

MD5
a11e1f65d76d230033929b2cc679a957

SHA1
5aa8c4e33f202d680017bf1704cf63a2adbd5e4f

SHA256
bb18318f95858559dcb0123e9ab726a40d90ff39e37533ef8dfca6e7a7828779

SHA512
f4f688595b22421988f3eb217e80d5bc3327e21588f6f8584c138931ee41a6e46d3e1fca08093a749fd335830644c64fe0dd227fbc9e2f561e577ea8e8004a38

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

Filesize
7KB

MD5
59dd3c3de7ba1ef17710122bfbc56cc6

SHA1
5732e781ef584ac55280cf7e33b0479eea20a13e

SHA256
69ce07e79912b9232235199d19efe599cff2c6afea4f767a4b5974bc6baa321b

SHA512
7f7ecc37ac6041edc383514d5d9db21e43d4959708cb6a00d0267aad0fbb5ea5b8d96fa69db1523e9897efaa2de69fad8d9c794ddba71c00c38f9da4a7b0eea0

Download Submit
memory/1624-31-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-25-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1624-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1624-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2216-6-0x0000000005DB0000-0x0000000005E34000-memory.dmp

Filesize
528KB

Download
memory/2216-1-0x00000000011E0000-0x00000000012D4000-memory.dmp

Filesize
976KB

Download
memory/2216-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2216-2-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-3-0x0000000000360000-0x0000000000372000-memory.dmp

Filesize
72KB

Download
memory/2216-5-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download
memory/2216-4-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

Filesize
4KB

Download
memory/2216-32-0x0000000073F10000-0x00000000745FE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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