agenttesla | 8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 01:43

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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
1616	powershell.exe
4880	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2951562807-3718269429-4208157415-1000\Control Panel\International\Geo\Nation	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.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
17	api.ipify.org
18	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4504 set thread context of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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
4988	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
1616	powershell.exe
4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
4880	powershell.exe
3512	RegSvcs.exe
3512	RegSvcs.exe
1616	powershell.exe
4880	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	4880	powershell.exe
Token: SeDebugPrivilege	3512	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 1616	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	86
PID 4504 wrote to memory of 1616	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	86
PID 4504 wrote to memory of 1616	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	86
PID 4504 wrote to memory of 4880	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	88
PID 4504 wrote to memory of 4880	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	88
PID 4504 wrote to memory of 4880	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	88
PID 4504 wrote to memory of 4988	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	90
PID 4504 wrote to memory of 4988	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	90
PID 4504 wrote to memory of 4988	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	90
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92
PID 4504 wrote to memory of 3512	4504	8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe	92

C:\Users\Admin\AppData\Local\Temp\8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe
"C:\Users\Admin\AppData\Local\Temp\8f58aa2f3549e2b9449f530eb6bf91bb4b0be997b97c65245aeb99baa55fdfb9.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4504
- 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:1616
- 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:4880
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CRPPQhtKTF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDDBD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4988
- 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:3512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
8e5d21ec82ed7d01c94685597b503dca

SHA1
a69ca5ddd73b68589b5dfdfc81ee42c87f5dba4f

SHA256
16050aea2d9a7e02a7c9d26c8de274a22bdcc61aaaf0bffd466fc9ae23150833

SHA512
51251c303d0798b10f6c2556267e695577a79dc916b3590bb8ef68ff24d1edc867728fb165bdf1f5c20aff31d319ff7727d5f17c67b0d3b7e2fd8aa3ecfcc9ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xngqcen3.4um.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDDBD.tmp

Filesize
1KB

MD5
65a1b1c0904feaa15f23c50209841d8e

SHA1
b5855d1a0af76f0cb04e80c3ec0982cf19fdbeea

SHA256
417791268682ebce52d6f63aa1d53ea6e8431d467f08e8ad05570abd6e59a282

SHA512
f8b8c38747a47a1755f26dfe02c5d212d4fe78065056f1277e2af71b73b9de993cb72c45aba6db4620b24821effe4005a413cf57e82ed0a217f76903db402a8a

Download Submit
memory/1616-22-0x0000000005A60000-0x0000000005AC6000-memory.dmp

Filesize
408KB

Download
memory/1616-47-0x00000000066B0000-0x00000000066FC000-memory.dmp

Filesize
304KB

Download
memory/1616-86-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1616-75-0x0000000007610000-0x0000000007621000-memory.dmp

Filesize
68KB

Download
memory/1616-74-0x0000000007690000-0x0000000007726000-memory.dmp

Filesize
600KB

Download
memory/1616-60-0x0000000075AE0000-0x0000000075B2C000-memory.dmp

Filesize
304KB

Download
memory/1616-14-0x00000000027C0000-0x00000000027F6000-memory.dmp

Filesize
216KB

Download
memory/1616-16-0x00000000052F0000-0x0000000005918000-memory.dmp

Filesize
6.2MB

Download
memory/1616-15-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1616-46-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/1616-20-0x0000000005950000-0x0000000005972000-memory.dmp

Filesize
136KB

Download
memory/1616-19-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/1616-21-0x00000000059F0000-0x0000000005A56000-memory.dmp

Filesize
408KB

Download
memory/1616-35-0x0000000005AD0000-0x0000000005E24000-memory.dmp

Filesize
3.3MB

Download
memory/3512-23-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3512-87-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/4504-2-0x00000000051C0000-0x0000000005764000-memory.dmp

Filesize
5.6MB

Download
memory/4504-36-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4504-0-0x000000007528E000-0x000000007528F000-memory.dmp

Filesize
4KB

Download
memory/4504-4-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4504-5-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/4504-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/4504-6-0x0000000004F80000-0x000000000501C000-memory.dmp

Filesize
624KB

Download
memory/4504-8-0x0000000005030000-0x000000000503E000-memory.dmp

Filesize
56KB

Download
memory/4504-7-0x0000000004F50000-0x0000000004F66000-memory.dmp

Filesize
88KB

Download
memory/4504-1-0x0000000000190000-0x0000000000252000-memory.dmp

Filesize
776KB

Download
memory/4504-9-0x00000000060F0000-0x0000000006172000-memory.dmp

Filesize
520KB

Download
memory/4880-48-0x00000000074E0000-0x0000000007512000-memory.dmp

Filesize
200KB

Download
memory/4880-78-0x0000000007BD0000-0x0000000007BEA000-memory.dmp

Filesize
104KB

Download
memory/4880-24-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-71-0x0000000007ED0000-0x000000000854A000-memory.dmp

Filesize
6.5MB

Download
memory/4880-59-0x0000000007520000-0x000000000753E000-memory.dmp

Filesize
120KB

Download
memory/4880-76-0x0000000007AC0000-0x0000000007ACE000-memory.dmp

Filesize
56KB

Download
memory/4880-77-0x0000000007AD0000-0x0000000007AE4000-memory.dmp

Filesize
80KB

Download
memory/4880-72-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/4880-79-0x0000000007BB0000-0x0000000007BB8000-memory.dmp

Filesize
32KB

Download
memory/4880-70-0x0000000007550000-0x00000000075F3000-memory.dmp

Filesize
652KB

Download
memory/4880-73-0x0000000007900000-0x000000000790A000-memory.dmp

Filesize
40KB

Download
memory/4880-85-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-17-0x0000000075280000-0x0000000075A30000-memory.dmp

Filesize
7.7MB

Download
memory/4880-49-0x0000000075AE0000-0x0000000075B2C000-memory.dmp

Filesize
304KB

Download