agenttesla | 52cbe65053cb32522f4da82fd1d94df0201ab9a4fe11998a19b58ef1f09f13de

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
21-06-2024 01:43

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General

Target

Documents.exe
Size

517KB
MD5

154d0832533e203c04a41d1a49a0240f
SHA1

cf0ce73cf84fb5f9dba3fc9b89a98a3fa1b581e6
SHA256

bfc34d1697120f4c9670b022313ff1a82a5d567a87ec6a097cf1fae2336c77c3
SHA512

cb7175d6d4a545a54890adbf3493b42cb6c10441b221a09218d5f67bf9ac10623e71dbb3f87c78ea7a7171c6ec1283f61a142336ba3e4556d66ef867475229aa
SSDEEP

12288:qU4daTDD2uBKXQJC4EzpWm5jGMw8RgFRZdfknn:q0+ugAU4ENWmpGiRgFJf

Score

10^/10

agenttesla purelogstealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
files.000webhost.com
Port:
21
Username:
tain00

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://files.000webhost.com
Port:
21
Username:
tain00
Password:
computer@2020

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
PureLog Stealer
PureLog Stealer is an infostealer written in C#.
stealer purelogstealer
PureLog Stealer payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2460-6-0x00000000058C0000-0x0000000005918000-memory.dmp family_purelog_stealer
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

resource	yara_rule
behavioral2/memory/2460-6-0x00000000058C0000-0x0000000005918000-memory.dmp	family_purelog_stealer

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Documents.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Qlnptxm = "C:\\Users\\Admin\\AppData\\Roaming\\Qlnptxm.exe"	Documents.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Documents.exe

description pid process target process

PID 2460 set thread context of 4576 2460 Documents.exe Documents.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Documents.exeDocuments.exe

pid process

2460 Documents.exe
2460 Documents.exe
4576 Documents.exe
4576 Documents.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Documents.exeDocuments.exe

description pid process

Token: SeDebugPrivilege 2460 Documents.exe
Token: SeDebugPrivilege 4576 Documents.exe

description	pid	process	target process
PID 2460 set thread context of 4576	2460	Documents.exe	Documents.exe

pid	process
2460	Documents.exe
2460	Documents.exe
4576	Documents.exe
4576	Documents.exe

description	pid	process
Token: SeDebugPrivilege	2460	Documents.exe
Token: SeDebugPrivilege	4576	Documents.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Documents.exe

description	pid	process	target process
PID 2460 wrote to memory of 4912	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4912	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4912	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe
PID 2460 wrote to memory of 4576	2460	Documents.exe	Documents.exe

C:\Users\Admin\AppData\Local\Temp\Documents.exe
"C:\Users\Admin\AppData\Local\Temp\Documents.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460

C:\Users\Admin\AppData\Local\Temp\Documents.exe
C:\Users\Admin\AppData\Local\Temp\Documents.exe
2⤵
PID:4912

C:\Users\Admin\AppData\Local\Temp\Documents.exe
C:\Users\Admin\AppData\Local\Temp\Documents.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4576

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2460-8-0x0000000005A80000-0x0000000005AC0000-memory.dmp

Filesize
256KB

Download
memory/2460-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download
memory/2460-9-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/2460-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

Filesize
4KB

Download
memory/2460-4-0x0000000005680000-0x000000000568A000-memory.dmp

Filesize
40KB

Download
memory/2460-5-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2460-6-0x00000000058C0000-0x0000000005918000-memory.dmp

Filesize
352KB

Download
memory/2460-7-0x0000000005940000-0x0000000005980000-memory.dmp

Filesize
256KB

Download
memory/2460-15-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2460-1-0x0000000000BE0000-0x0000000000C68000-memory.dmp

Filesize
544KB

Download
memory/2460-3-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/4576-13-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4576-19-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4576-16-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/4576-14-0x0000000005410000-0x0000000005476000-memory.dmp

Filesize
408KB

Download
memory/4576-17-0x00000000061A0000-0x00000000061F0000-memory.dmp

Filesize
320KB

Download
memory/4576-18-0x0000000006290000-0x000000000632C000-memory.dmp

Filesize
624KB

Download
memory/4576-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download