agenttesla | f54d769e9290f1882ae085da919f734b6ce3cc36a8b879233b07f7d4a3121e7b

General

Target

Scan_20231130_085902_pdf .exe
Size

827KB
MD5

5388a9eda1698bab204e57054a0df83e
SHA1

9319e5125e5274a4cd75b2e239f7167da01c9a9e
SHA256

ecfe6f56c220473c0f1730960e907f103e893c3778155d3f675ebbce4621b61a
SHA512

a89586e40461d913a6bad7e3499dc7c441d9db465bb331c458e02884d24ee862234398de8006bbe374e766ba0d96d970ff467c6a1bc1b8bee933547c543f2bb4
SSDEEP

12288:wg0SHdr/2DzVbI421wLFtA+yG0+G3Lc1N9FLRlwR:fX92zlIx1WtArG0CRF

Score

10^/10

agenttesla purelogs keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mailbuilderbuilder.com
Port:
587
Username:
[email protected]
Password:
Alluminio.1
Email To:
[email protected]

Signatures

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

Detect PureLogs payload 1 IoCs

resource	yara_rule
behavioral1/memory/2396-0-0x0000000001030000-0x0000000001104000-memory.dmp	family_purelogs

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
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.

flow	ioc
6	api.ipify.org
7	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 2828	2396	Scan_20231130_085902_pdf .exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2828	Scan_20231130_085902_pdf .exe
2828	Scan_20231130_085902_pdf .exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	Scan_20231130_085902_pdf .exe
Token: SeDebugPrivilege	2828	Scan_20231130_085902_pdf .exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30
PID 2396 wrote to memory of 2828	2396	Scan_20231130_085902_pdf .exe	30

C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe
"C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .exe
  "C:\Users\Admin\AppData\Local\Temp\Scan_20231130_085902_pdf .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

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2396-21-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-2-0x0000000000930000-0x0000000000970000-memory.dmp

Filesize
256KB

Download
memory/2396-0-0x0000000001030000-0x0000000001104000-memory.dmp

Filesize
848KB

Download
memory/2396-3-0x00000000047E0000-0x0000000004838000-memory.dmp

Filesize
352KB

Download
memory/2396-4-0x0000000000970000-0x00000000009B0000-memory.dmp

Filesize
256KB

Download
memory/2396-5-0x0000000000B10000-0x0000000000B50000-memory.dmp

Filesize
256KB

Download
memory/2396-6-0x0000000004840000-0x000000000488C000-memory.dmp

Filesize
304KB

Download
memory/2396-7-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-8-0x0000000000930000-0x0000000000970000-memory.dmp

Filesize
256KB

Download
memory/2396-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-28-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/2828-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-22-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-24-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2828-25-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2828-26-0x0000000004AA0000-0x0000000004AE0000-memory.dmp

Filesize
256KB

Download
memory/2828-27-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

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

Filesize
264KB

Download

Analysis

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