agenttesla | 72fc32877f951da6163a0ed85db7c02fb9e41112da8be513229575f9c312eb34

Analysis

max time kernel
67s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
29-04-2024 07:26

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General

Target

cXPFfk0pBp7bEsb.exe
Size

666KB
MD5

3e142ca68f08905cab743c39bf7f53ba
SHA1

65ff38bc2e98f89f01088e77f921230c02ed870d
SHA256

18f44886b9280533487b58a1feab7a3ebb463718417109643467315250b460b3
SHA512

afd533e46aa2cdc398d11c7422d7aff25dcafadcaf1b15084b5bec0c5890de2634ad09b8cca37d56e2692dfc63c5a96ad493fc719104fa610f2f36c3968df164
SSDEEP

12288:W4OB778QbN5vI3vIXpeFIJMTzfSmzQy3kymdJTRD1iKNDsreh5DSqiUNeGSggAU:TOBNN5QAZHJozSyC9PDX5WaXVU

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kowalskiokna.pl
Port:
587
Username:
[email protected]
Password:
artgeruhst75g
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

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

Processes:

cXPFfk0pBp7bEsb.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	cXPFfk0pBp7bEsb.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 2 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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

12 ip-api.com
7 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

cXPFfk0pBp7bEsb.exe

description pid process target process

PID 4268 set thread context of 2828 4268 cXPFfk0pBp7bEsb.exe cXPFfk0pBp7bEsb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

cXPFfk0pBp7bEsb.execXPFfk0pBp7bEsb.exepowershell.exe

pid process

4268 cXPFfk0pBp7bEsb.exe
4268 cXPFfk0pBp7bEsb.exe
2828 cXPFfk0pBp7bEsb.exe
2828 cXPFfk0pBp7bEsb.exe
1040 powershell.exe
1040 powershell.exe

flow	ioc
12	ip-api.com
7	api.ipify.org

description	pid	process	target process
PID 4268 set thread context of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe

pid	process
4268	cXPFfk0pBp7bEsb.exe
4268	cXPFfk0pBp7bEsb.exe
2828	cXPFfk0pBp7bEsb.exe
2828	cXPFfk0pBp7bEsb.exe
1040	powershell.exe
1040	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

cXPFfk0pBp7bEsb.execXPFfk0pBp7bEsb.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4268	cXPFfk0pBp7bEsb.exe
Token: SeDebugPrivilege	2828	cXPFfk0pBp7bEsb.exe
Token: SeDebugPrivilege	1040	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

cXPFfk0pBp7bEsb.exe

description	pid	process	target process
PID 4268 wrote to memory of 1040	4268	cXPFfk0pBp7bEsb.exe	powershell.exe
PID 4268 wrote to memory of 1040	4268	cXPFfk0pBp7bEsb.exe	powershell.exe
PID 4268 wrote to memory of 1040	4268	cXPFfk0pBp7bEsb.exe	powershell.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe
PID 4268 wrote to memory of 2828	4268	cXPFfk0pBp7bEsb.exe	cXPFfk0pBp7bEsb.exe

C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe
"C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268
- 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\cXPFfk0pBp7bEsb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1040
- C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe
  "C:\Users\Admin\AppData\Local\Temp\cXPFfk0pBp7bEsb.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

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_3vey5mqm.ebx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1040-48-0x0000000007F90000-0x000000000860A000-memory.dmp

Filesize
6.5MB

Download
memory/1040-49-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/1040-59-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1040-56-0x0000000007C60000-0x0000000007C68000-memory.dmp

Filesize
32KB

Download
memory/1040-55-0x0000000007C80000-0x0000000007C9A000-memory.dmp

Filesize
104KB

Download
memory/1040-54-0x0000000007B80000-0x0000000007B94000-memory.dmp

Filesize
80KB

Download
memory/1040-53-0x0000000007B70000-0x0000000007B7E000-memory.dmp

Filesize
56KB

Download
memory/1040-28-0x0000000006050000-0x00000000063A4000-memory.dmp

Filesize
3.3MB

Download
memory/1040-52-0x0000000007B40000-0x0000000007B51000-memory.dmp

Filesize
68KB

Download
memory/1040-51-0x0000000007BC0000-0x0000000007C56000-memory.dmp

Filesize
600KB

Download
memory/1040-50-0x00000000079B0000-0x00000000079BA000-memory.dmp

Filesize
40KB

Download
memory/1040-34-0x00000000066B0000-0x00000000066FC000-memory.dmp

Filesize
304KB

Download
memory/1040-22-0x00000000058F0000-0x0000000005956000-memory.dmp

Filesize
408KB

Download
memory/1040-17-0x0000000002E20000-0x0000000002E30000-memory.dmp

Filesize
64KB

Download
memory/1040-47-0x0000000007830000-0x00000000078D3000-memory.dmp

Filesize
652KB

Download
memory/1040-18-0x0000000002CE0000-0x0000000002D16000-memory.dmp

Filesize
216KB

Download
memory/1040-15-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1040-20-0x00000000059B0000-0x0000000005FD8000-memory.dmp

Filesize
6.2MB

Download
memory/1040-46-0x0000000006C10000-0x0000000006C2E000-memory.dmp

Filesize
120KB

Download
memory/1040-21-0x0000000005850000-0x0000000005872000-memory.dmp

Filesize
136KB

Download
memory/1040-36-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

Filesize
304KB

Download
memory/1040-35-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

Filesize
200KB

Download
memory/1040-33-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/2828-13-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2828-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-62-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/2828-61-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2828-19-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/2828-16-0x0000000005700000-0x0000000005710000-memory.dmp

Filesize
64KB

Download
memory/2828-60-0x0000000006F10000-0x0000000006F60000-memory.dmp

Filesize
320KB

Download
memory/4268-10-0x0000000008910000-0x00000000089AC000-memory.dmp

Filesize
624KB

Download
memory/4268-2-0x00000000053D0000-0x0000000005974000-memory.dmp

Filesize
5.6MB

Download
memory/4268-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

Filesize
584KB

Download
memory/4268-9-0x00000000060B0000-0x0000000006134000-memory.dmp

Filesize
528KB

Download
memory/4268-7-0x0000000005230000-0x000000000523E000-memory.dmp

Filesize
56KB

Download
memory/4268-6-0x0000000005200000-0x0000000005218000-memory.dmp

Filesize
96KB

Download
memory/4268-5-0x0000000004E70000-0x0000000004E7A000-memory.dmp

Filesize
40KB

Download
memory/4268-4-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

Filesize
64KB

Download
memory/4268-1-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4268-0-0x00000000003D0000-0x000000000047C000-memory.dmp

Filesize
688KB

Download
memory/4268-14-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4268-8-0x0000000005240000-0x0000000005256000-memory.dmp

Filesize
88KB

Download