agenttesla | 29bced37ad996554e9eabf87d93e20b7a4f647df759cb316b8d09e5de5b0dc68

General

Target

trucking instructions.exe
Size

810KB
MD5

70e2e8e0e4af94e41c25c6576234f27b
SHA1

803f302773e43fadaa72613718905369ac47c20c
SHA256

f9898f9bbef6d022dd0ce4343009f8d8ec465322ec384723e565a7ff0db259e7
SHA512

4aedd3f377b7ec0242a2f4f1a879293cc6768c8199237f9fbd30f90bee51de2702d56ac567fdecf933c21ab67add29eb57b22cb1776ea5ff0b7c34ae5d425a54
SSDEEP

24576:GUI54C07YR3CHSSKnKu/k3zPHdPHdTSkc14:7MGYRSsK0k3j

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mahesh-ent.com
Port:
587
Username:
[email protected]
Password:
M@hesh3981
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
2904	powershell.exe
2768	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 2 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

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 2464 set thread context of 2244	2464	trucking instructions.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	trucking instructions.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	trucking instructions.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
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2464	trucking instructions.exe
2464	trucking instructions.exe
2244	trucking instructions.exe
2244	trucking instructions.exe
2904	powershell.exe
2768	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2464	trucking instructions.exe
Token: SeDebugPrivilege	2244	trucking instructions.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	2768	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2244	trucking instructions.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2904	2464	trucking instructions.exe	30
PID 2464 wrote to memory of 2904	2464	trucking instructions.exe	30
PID 2464 wrote to memory of 2904	2464	trucking instructions.exe	30
PID 2464 wrote to memory of 2904	2464	trucking instructions.exe	30
PID 2464 wrote to memory of 2768	2464	trucking instructions.exe	32
PID 2464 wrote to memory of 2768	2464	trucking instructions.exe	32
PID 2464 wrote to memory of 2768	2464	trucking instructions.exe	32
PID 2464 wrote to memory of 2768	2464	trucking instructions.exe	32
PID 2464 wrote to memory of 2788	2464	trucking instructions.exe	33
PID 2464 wrote to memory of 2788	2464	trucking instructions.exe	33
PID 2464 wrote to memory of 2788	2464	trucking instructions.exe	33
PID 2464 wrote to memory of 2788	2464	trucking instructions.exe	33
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36
PID 2464 wrote to memory of 2244	2464	trucking instructions.exe	36

C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe
"C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2464
- 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\trucking instructions.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tepYWZPN.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tepYWZPN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA544.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe
  "C:\Users\Admin\AppData\Local\Temp\trucking instructions.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2244

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\tmpA544.tmp

Filesize
1KB

MD5
43791e5d1a8adad1211ea476a4b18a91

SHA1
96595483f79e13fc6455c1cd26ab5f0627287fdc

SHA256
e7990d6f1e72e9da9a0785922e52a09ad9ea20ad0fa9cc28cee959f507ff4dca

SHA512
1d7d36fdafb626b2d20ebf4377d5c718d4111cb5cde89a5ea8776dd63617631c2730276eca44ece30b9d345d05853922bfb8633b0f5cd14b144080a5e285d431

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4CXP9PJQ3AR0CMTXWP24.temp

Filesize
7KB

MD5
f7fe413b24061f7f852569c29da55934

SHA1
20bd137e1d99d424ca33b95a503e7796b1e2cccb

SHA256
4f49c7de0295c4639721375ba2e55e4268106d5e1a839cffbb1da023a23798a1

SHA512
ee2395f387f2e4975d1bdf86a5afe0c222b61b16cb00b739f888a623bdcf5ccc20aa5b1c080be2d8481acaacad2cedf2788a43b833d597cbd783586ddd075d97

Download Submit
memory/2244-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2244-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2244-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2464-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-1-0x0000000000990000-0x0000000000A60000-memory.dmp

Filesize
832KB

Download
memory/2464-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2464-3-0x0000000000440000-0x000000000045E000-memory.dmp

Filesize
120KB

Download
memory/2464-5-0x00000000002F0000-0x0000000000374000-memory.dmp

Filesize
528KB

Download
memory/2464-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2464-30-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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