agenttesla | 429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538

General

Target

datasheet.exe
Size

636KB
MD5

4c7e7bd9eaf56b3936be87a6904f70f8
SHA1

22591d29813790d622a1d49a1e0bf91b20235cf6
SHA256

429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538
SHA512

108e542f79d97dcb73490acd04718a56adda3d000e844ad71f0721b3b12d2a06ccb9b28a00e0d2443f2bb5c680617e316ce4a84c98a5e8f4f29ade1ff9c0be70
SSDEEP

12288:NyAgFdVoC/HeIMOBkXKxh3IfDj3oSPYzeyu0Lu/bs1D0bWCiYNR/WBS9vD:wAgVoC/HemBNheP3Xg6yTLug0WC7ROB0

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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
2852	powershell.exe
3056	powershell.exe

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 380	3052	datasheet.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	datasheet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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
2096	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3052	datasheet.exe
3052	datasheet.exe
3052	datasheet.exe
3052	datasheet.exe
3052	datasheet.exe
3052	datasheet.exe
2852	powershell.exe
3056	powershell.exe
3052	datasheet.exe
380	RegSvcs.exe
380	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	datasheet.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	3056	powershell.exe
Token: SeDebugPrivilege	380	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
380	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 2852	3052	datasheet.exe	31
PID 3052 wrote to memory of 2852	3052	datasheet.exe	31
PID 3052 wrote to memory of 2852	3052	datasheet.exe	31
PID 3052 wrote to memory of 2852	3052	datasheet.exe	31
PID 3052 wrote to memory of 3056	3052	datasheet.exe	33
PID 3052 wrote to memory of 3056	3052	datasheet.exe	33
PID 3052 wrote to memory of 3056	3052	datasheet.exe	33
PID 3052 wrote to memory of 3056	3052	datasheet.exe	33
PID 3052 wrote to memory of 2096	3052	datasheet.exe	34
PID 3052 wrote to memory of 2096	3052	datasheet.exe	34
PID 3052 wrote to memory of 2096	3052	datasheet.exe	34
PID 3052 wrote to memory of 2096	3052	datasheet.exe	34
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37
PID 3052 wrote to memory of 380	3052	datasheet.exe	37

C:\Users\Admin\AppData\Local\Temp\datasheet.exe
"C:\Users\Admin\AppData\Local\Temp\datasheet.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3052
- 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\datasheet.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2852
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EhzaIxEFbjyd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3056
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EhzaIxEFbjyd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp58E9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2096
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:380

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp58E9.tmp

Filesize
1KB

MD5
9413b10e8f66683c841904670538d9d9

SHA1
b828554768e24c59b59d394b3873ed5e152f35b5

SHA256
94619a0f543d539cd56c8cb1347f561db322bebd5a742c1ad86bbc83f2535fd2

SHA512
1b14eb9dc0176650e5266ed35575de868c85db7881abf06e0d1707800e192215df94f16b80688d642b4134a9fae2a2bdff050fcfb76ab1eb8cc0ae0c125a687a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\9W6HNV77R20H4K6JOIQ3.temp

Filesize
7KB

MD5
fe530ea931d172afc557f95048883e5a

SHA1
05fe64fe822f750a1ecd348c899940116cb677a4

SHA256
e457aa9f49768aac8d0fe552f087b56ee1d9c7c8b559aca626ac5dce758cabb8

SHA512
5431b0606d6d3279676f4a781fc4c8b15fd7f2e2d9cd6d0fc961e9d48e7ad866b60ae36e68ae29e2f4681ba15310f4795d2183b4768efe801d03ecd07468d80e

Download Submit
memory/380-27-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/380-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/380-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3052-2-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-1-0x0000000000020000-0x00000000000C6000-memory.dmp

Filesize
664KB

Download
memory/3052-0-0x000000007458E000-0x000000007458F000-memory.dmp

Filesize
4KB

Download
memory/3052-3-0x00000000005F0000-0x0000000000602000-memory.dmp

Filesize
72KB

Download
memory/3052-5-0x00000000051A0000-0x0000000005228000-memory.dmp

Filesize
544KB

Download
memory/3052-4-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download
memory/3052-30-0x0000000074580000-0x0000000074C6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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