agenttesla | 245ee760d71dc45da0f6df037798b8b5beaa01850483a35cc340a916cce946af

Analysis

max time kernel
92s
max time network
151s
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 10:20

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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
2636	powershell.exe
4580	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-1-5-21-945322488-2060912225-3527527000-1000\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
27	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 740 set thread context of 3420	740	Ref_50102_607.7z.exe	97

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
3984	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
2636	powershell.exe
4580	powershell.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
740	Ref_50102_607.7z.exe
2636	powershell.exe
4580	powershell.exe
3420	Ref_50102_607.7z.exe
3420	Ref_50102_607.7z.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	Ref_50102_607.7z.exe
Token: SeDebugPrivilege	2636	powershell.exe
Token: SeDebugPrivilege	4580	powershell.exe
Token: SeDebugPrivilege	3420	Ref_50102_607.7z.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 2636	740	Ref_50102_607.7z.exe	89
PID 740 wrote to memory of 2636	740	Ref_50102_607.7z.exe	89
PID 740 wrote to memory of 2636	740	Ref_50102_607.7z.exe	89
PID 740 wrote to memory of 4580	740	Ref_50102_607.7z.exe	91
PID 740 wrote to memory of 4580	740	Ref_50102_607.7z.exe	91
PID 740 wrote to memory of 4580	740	Ref_50102_607.7z.exe	91
PID 740 wrote to memory of 3984	740	Ref_50102_607.7z.exe	93
PID 740 wrote to memory of 3984	740	Ref_50102_607.7z.exe	93
PID 740 wrote to memory of 3984	740	Ref_50102_607.7z.exe	93
PID 740 wrote to memory of 3040	740	Ref_50102_607.7z.exe	95
PID 740 wrote to memory of 3040	740	Ref_50102_607.7z.exe	95
PID 740 wrote to memory of 3040	740	Ref_50102_607.7z.exe	95
PID 740 wrote to memory of 3824	740	Ref_50102_607.7z.exe	96
PID 740 wrote to memory of 3824	740	Ref_50102_607.7z.exe	96
PID 740 wrote to memory of 3824	740	Ref_50102_607.7z.exe	96
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97
PID 740 wrote to memory of 3420	740	Ref_50102_607.7z.exe	97

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:740
- 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:2636
- 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:4580
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XtBOrehPamR" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC6DA.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3984
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  PID:3040
- C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe
  "C:\Users\Admin\AppData\Local\Temp\Ref_50102_607.7z.exe"
  2⤵
  PID:3824
- 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:3420

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ldnhpdbj.qeb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC6DA.tmp

Filesize
1KB

MD5
778537046a2945d360d7552c5e51dddb

SHA1
1b1019d5c06f529aec619b7ee8ccadb09f42a548

SHA256
8c75aeb4f1065af21a34ace412323c6ea817bb90d9344a15cfc7b5e8a7fda558

SHA512
0daaac81a3c38e685089296c099364a13a8708492f39b6f5bebd8a2c10e856d9a8cb0665985dd0127ea394eb0acce2fc01df41d78e309298c6097422339e1d6e

Download Submit
memory/740-6-0x0000000005220000-0x00000000052BA000-memory.dmp

Filesize
616KB

Download
memory/740-3-0x0000000004D10000-0x0000000004DA2000-memory.dmp

Filesize
584KB

Download
memory/740-4-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-5-0x0000000004C00000-0x0000000004C0A000-memory.dmp

Filesize
40KB

Download
memory/740-2-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/740-7-0x0000000004CE0000-0x0000000004CF0000-memory.dmp

Filesize
64KB

Download
memory/740-8-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/740-9-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-10-0x0000000006610000-0x0000000006694000-memory.dmp

Filesize
528KB

Download
memory/740-11-0x0000000008C80000-0x0000000008D1C000-memory.dmp

Filesize
624KB

Download
memory/740-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/740-48-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/740-1-0x0000000000190000-0x0000000000232000-memory.dmp

Filesize
648KB

Download
memory/2636-73-0x0000000007860000-0x0000000007903000-memory.dmp

Filesize
652KB

Download
memory/2636-77-0x0000000007BD0000-0x0000000007C66000-memory.dmp

Filesize
600KB

Download
memory/2636-21-0x0000000005630000-0x0000000005652000-memory.dmp

Filesize
136KB

Download
memory/2636-18-0x00000000058F0000-0x0000000005F18000-memory.dmp

Filesize
6.2MB

Download
memory/2636-85-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-81-0x0000000007C90000-0x0000000007CAA000-memory.dmp

Filesize
104KB

Download
memory/2636-80-0x0000000007B90000-0x0000000007BA4000-memory.dmp

Filesize
80KB

Download
memory/2636-79-0x0000000007B80000-0x0000000007B8E000-memory.dmp

Filesize
56KB

Download
memory/2636-24-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-23-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/2636-22-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/2636-17-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/2636-50-0x0000000006670000-0x00000000066BC000-memory.dmp

Filesize
304KB

Download
memory/2636-49-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/2636-51-0x0000000006BF0000-0x0000000006C22000-memory.dmp

Filesize
200KB

Download
memory/2636-75-0x0000000007950000-0x000000000796A000-memory.dmp

Filesize
104KB

Download
memory/2636-52-0x0000000070340000-0x000000007038C000-memory.dmp

Filesize
304KB

Download
memory/2636-72-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/2636-16-0x0000000002CB0000-0x0000000002CE6000-memory.dmp

Filesize
216KB

Download
memory/3420-46-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3420-87-0x0000000006C20000-0x0000000006C70000-memory.dmp

Filesize
320KB

Download
memory/4580-53-0x0000000070340000-0x000000007038C000-memory.dmp

Filesize
304KB

Download
memory/4580-74-0x0000000007C90000-0x000000000830A000-memory.dmp

Filesize
6.5MB

Download
memory/4580-76-0x00000000076C0000-0x00000000076CA000-memory.dmp

Filesize
40KB

Download
memory/4580-19-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-78-0x0000000007850000-0x0000000007861000-memory.dmp

Filesize
68KB

Download
memory/4580-31-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-35-0x0000000005D20000-0x0000000006074000-memory.dmp

Filesize
3.3MB

Download
memory/4580-82-0x0000000007970000-0x0000000007978000-memory.dmp

Filesize
32KB

Download
memory/4580-36-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-86-0x0000000074D40000-0x00000000754F0000-memory.dmp

Filesize
7.7MB

Download