agenttesla | 8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9

General

Target

8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
Size

760KB
MD5

cde7970091a0b3fd19f7f8f3a855b583
SHA1

6c55f16de86b9dc9052c5e2fe2d94ce6d7e79e9e
SHA256

8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9
SHA512

19bd3514fdf5d0ff6b47268795bd13c03401d6adb74553e578b7bf40b1c5219ebb7fd40c9f587ff8cf1f3a1f7d834ac5cb006c66d0374badc7d897033625cdeb
SSDEEP

12288:zU3929BC4rqhpfVIbQMjRq/3ml/bCoygRFg+48MMOI/bxqbyoZ48oLBbl+d/WDwt:zU89BNuhEbQM62UPjZU/lqjY1ZUW8t

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
phoenixblowers.com
Port:
587
Username:
[email protected]
Password:
Officeback@2022#
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
2156	powershell.exe
2772	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 1412 set thread context of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.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
2896	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
2156	powershell.exe
2772	powershell.exe
2600	RegSvcs.exe
2600	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
Token: SeDebugPrivilege	2156	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe
Token: SeDebugPrivilege	2600	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 2156	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	31
PID 1412 wrote to memory of 2156	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	31
PID 1412 wrote to memory of 2156	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	31
PID 1412 wrote to memory of 2156	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	31
PID 1412 wrote to memory of 2772	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	33
PID 1412 wrote to memory of 2772	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	33
PID 1412 wrote to memory of 2772	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	33
PID 1412 wrote to memory of 2772	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	33
PID 1412 wrote to memory of 2896	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	35
PID 1412 wrote to memory of 2896	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	35
PID 1412 wrote to memory of 2896	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	35
PID 1412 wrote to memory of 2896	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	35
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37
PID 1412 wrote to memory of 2600	1412	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	37

C:\Users\Admin\AppData\Local\Temp\8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
"C:\Users\Admin\AppData\Local\Temp\8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1412
- 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\8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2156
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CRPPQhtKTF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CRPPQhtKTF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3044.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2896
- 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
  PID:2600

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

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\tmp3044.tmp

Filesize
1KB

MD5
6b57ecf4c9bcf9afbaa797acabe6b758

SHA1
d31a8f32e4b225e4a22522066ecd77d5cc9a9ee8

SHA256
16a2677d92dcc32ac74a1ca73f570950347c0bebd6fc31ca7d5130ea85ecbbb9

SHA512
db99d7b362a5bd614c319e635903ec4a3eedde3870c4130ad42c0fce6387140c8029d4525c9e4a9585d998d01fad0f88bfa18db7699866042edb28a19960e0c9

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IW5ZE1XM94KI1IIT8O13.temp

Filesize
7KB

MD5
299d00cbc4e75ad535e8c2fcce93df93

SHA1
a7e67db8fd53fbe138db7a867ff4d2a970e06cbd

SHA256
94501e3c571fd668feb19e14d1a3e93170642e41ce0e8eb71f7f1c17320476d1

SHA512
bccbaa14774c888e6ecba357f2197c2bc83589176d91c8dc82a7e125e7db5ff230875fb7faccf5637891040d9b7efb41565cdc5fd8a70ecb821282d1aa2388cf

Download Submit
memory/1412-30-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1412-1-0x0000000000DF0000-0x0000000000EB2000-memory.dmp

Filesize
776KB

Download
memory/1412-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1412-3-0x0000000000460000-0x0000000000476000-memory.dmp

Filesize
88KB

Download
memory/1412-4-0x00000000002B0000-0x00000000002BE000-memory.dmp

Filesize
56KB

Download
memory/1412-5-0x0000000004F00000-0x0000000004F82000-memory.dmp

Filesize
520KB

Download
memory/1412-0-0x000000007411E000-0x000000007411F000-memory.dmp

Filesize
4KB

Download
memory/2600-18-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-28-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2600-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-27-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads