agenttesla | 245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-09-2024 10:18

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General

Target

Ref_50102_607.7z.exe
Size

639KB
MD5

945fbe2f3b89dccd586062c07a532d55
SHA1

b3c31488bc86630267881bb0675a4c8baac65bf6
SHA256

245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af
SHA512

10bed2ba141cd01359d95e92fde52dc91d9fb8b5e1108d6faac6cacfbc181788cbda4fad7b7eac25c13812f41e433b237c1216387d687c35465c0b7cba858e5a
SSDEEP

12288:58a9pdkUE0oNHfEGIU+u5siT90lyjTo+AUFyD0/5X9zGbnBk7wakR:58andkt3NMG9l5sk90ITYY/Otqw5

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.fosna.net
Port:
21
Username:
[email protected]
Password:
(=8fPSH$KO_!

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
2716	powershell.exe
1476	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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Ref_50102_607.7z.exe

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 1 IoCs

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

flow	ioc
23	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4048 set thread context of 4740	4048	Ref_50102_607.7z.exe	95

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref_50102_607.7z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ref_50102_607.7z.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
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
4048	Ref_50102_607.7z.exe
4048	Ref_50102_607.7z.exe
4048	Ref_50102_607.7z.exe
4048	Ref_50102_607.7z.exe
4048	Ref_50102_607.7z.exe
4048	Ref_50102_607.7z.exe
1476	powershell.exe
2716	powershell.exe
4048	Ref_50102_607.7z.exe
4740	Ref_50102_607.7z.exe
4740	Ref_50102_607.7z.exe
1476	powershell.exe
2716	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	1476	powershell.exe
Token: SeDebugPrivilege	4740	Ref_50102_607.7z.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 2716	4048	Ref_50102_607.7z.exe	89
PID 4048 wrote to memory of 2716	4048	Ref_50102_607.7z.exe	89
PID 4048 wrote to memory of 2716	4048	Ref_50102_607.7z.exe	89
PID 4048 wrote to memory of 1476	4048	Ref_50102_607.7z.exe	91
PID 4048 wrote to memory of 1476	4048	Ref_50102_607.7z.exe	91
PID 4048 wrote to memory of 1476	4048	Ref_50102_607.7z.exe	91
PID 4048 wrote to memory of 2640	4048	Ref_50102_607.7z.exe	93
PID 4048 wrote to memory of 2640	4048	Ref_50102_607.7z.exe	93
PID 4048 wrote to memory of 2640	4048	Ref_50102_607.7z.exe	93
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95
PID 4048 wrote to memory of 4740	4048	Ref_50102_607.7z.exe	95

C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
"C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.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:4048
- 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\Ref_50102_607.7z.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\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XtBOrehPamR.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1476
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE74.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2640
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4740

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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
5b365da45aa47210b47f6e712de1e8ea

SHA1
16e51c22bfd5854d72a9b58cab42db2dd67284c2

SHA256
c7962a4e5280151b715eadaea8593583973adaea6ea15df672526ad70cc66f91

SHA512
f847b84c890e5783a040f3723cab1ed881037381dd77aea43f394d2c8f7e8392dd61dba87d88247b1e5c47381c60413e69b781f9e88ddb23457ee41ed920d701

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m1kgz2vj.zou.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFE74.tmp

Filesize
1KB

MD5
ab9ae0899688423ccdb6da464ce6b12a

SHA1
ff5cb25bb7cc8cd17c5131fd141aa09afd642842

SHA256
a7d85040dc5741cb834be7ddcbe830f4fcf34a01eddaa82730a66d325193eeb8

SHA512
db8154338b330f7adb36573de0a86f3742b3c03e181fc3de1c77216a806dabc848ed128581e347fd8ce2393ee3bcdcf5fff5166fbf972c88ba57df07c3481b6e

Download Submit
memory/1476-53-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/1476-51-0x0000000006440000-0x000000000648C000-memory.dmp

Filesize
304KB

Download
memory/1476-77-0x0000000007240000-0x000000000724A000-memory.dmp

Filesize
40KB

Download
memory/1476-76-0x00000000071D0000-0x00000000071EA000-memory.dmp

Filesize
104KB

Download
memory/1476-75-0x0000000007820000-0x0000000007E9A000-memory.dmp

Filesize
6.5MB

Download
memory/1476-52-0x00000000070A0000-0x00000000070D2000-memory.dmp

Filesize
200KB

Download
memory/1476-79-0x00000000073D0000-0x00000000073E1000-memory.dmp

Filesize
68KB

Download
memory/1476-63-0x00000000063D0000-0x00000000063EE000-memory.dmp

Filesize
120KB

Download
memory/1476-64-0x00000000070E0000-0x0000000007183000-memory.dmp

Filesize
652KB

Download
memory/1476-78-0x0000000007450000-0x00000000074E6000-memory.dmp

Filesize
600KB

Download
memory/1476-49-0x0000000005EB0000-0x0000000005ECE000-memory.dmp

Filesize
120KB

Download
memory/1476-26-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1476-27-0x00000000058C0000-0x0000000005C14000-memory.dmp

Filesize
3.3MB

Download
memory/1476-21-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1476-89-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/1476-25-0x0000000005850000-0x00000000058B6000-memory.dmp

Filesize
408KB

Download
memory/1476-24-0x0000000005770000-0x00000000057D6000-memory.dmp

Filesize
408KB

Download
memory/1476-23-0x0000000004EE0000-0x0000000004F02000-memory.dmp

Filesize
136KB

Download
memory/1476-28-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-16-0x0000000000D60000-0x0000000000D96000-memory.dmp

Filesize
216KB

Download
memory/2716-65-0x00000000701E0000-0x000000007022C000-memory.dmp

Filesize
304KB

Download
memory/2716-20-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-17-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-19-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-90-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/2716-18-0x0000000004C30000-0x0000000005258000-memory.dmp

Filesize
6.2MB

Download
memory/2716-83-0x0000000007100000-0x0000000007108000-memory.dmp

Filesize
32KB

Download
memory/2716-82-0x0000000007120000-0x000000000713A000-memory.dmp

Filesize
104KB

Download
memory/2716-81-0x0000000007020000-0x0000000007034000-memory.dmp

Filesize
80KB

Download
memory/2716-80-0x0000000007010000-0x000000000701E000-memory.dmp

Filesize
56KB

Download
memory/4048-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/4048-10-0x0000000006E90000-0x0000000006F14000-memory.dmp

Filesize
528KB

Download
memory/4048-7-0x00000000059B0000-0x00000000059C0000-memory.dmp

Filesize
64KB

Download
memory/4048-6-0x0000000006B40000-0x0000000006BDA000-memory.dmp

Filesize
616KB

Download
memory/4048-5-0x0000000005660000-0x000000000566A000-memory.dmp

Filesize
40KB

Download
memory/4048-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4048-9-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4048-8-0x00000000752EE000-0x00000000752EF000-memory.dmp

Filesize
4KB

Download
memory/4048-11-0x0000000009540000-0x00000000095DC000-memory.dmp

Filesize
624KB

Download
memory/4048-1-0x0000000000B90000-0x0000000000C32000-memory.dmp

Filesize
648KB

Download
memory/4048-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/4048-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/4048-50-0x00000000752E0000-0x0000000075A90000-memory.dmp

Filesize
7.7MB

Download
memory/4740-47-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4740-91-0x0000000006700000-0x0000000006750000-memory.dmp

Filesize
320KB

Download