agenttesla | 5060aa947a34021253ae94af9e4442d1bcaf786214a2d7bc3abf7dbab82afffd

Analysis

max time kernel
118s
max time network
144s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
20/05/2024, 07:16

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General

Target

IMG_507110293.exe
Size

365KB
MD5

69c1fdf1333790e84965f9534358f624
SHA1

758092a3b95cf4f57d7f9101f2d9c867789153ac
SHA256

5060aa947a34021253ae94af9e4442d1bcaf786214a2d7bc3abf7dbab82afffd
SHA512

b44ea0c51f2c81bb398a560afe7d84e53c94513389b4caba69f1617b7a0481bb76d7ec0cb96bc7a94cfaac1a11ea930380d537d9b47ce8e82b019cc6eeece246
SSDEEP

6144:VUU0X/4NkNzC1iq1bTcpIRVdQhy+skUmKK89HQvsWEW47xV:VDOut+hy+skUmyusWE9

Score

10^/10

agenttesla purelogstealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
66.29.151.236
Port:
587
Username:
[email protected]
Password:
s9jjoVvaZchS
Email To:
[email protected]

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

resource	yara_rule
behavioral1/memory/2932-1-0x0000000001360000-0x00000000013BE000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\opwduvef = "C:\\Users\\Admin\\AppData\\Roaming\\opwduvef.exe"	IMG_507110293.exe

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
3	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2552	2932	IMG_507110293.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2552	RegAsm.exe
2552	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	IMG_507110293.exe
Token: SeDebugPrivilege	2932	IMG_507110293.exe
Token: SeDebugPrivilege	2552	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28
PID 2932 wrote to memory of 2552	2932	IMG_507110293.exe	28

C:\Users\Admin\AppData\Local\Temp\IMG_507110293.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_507110293.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2552-4918-0x0000000000090000-0x00000000000D2000-memory.dmp

Filesize
264KB

Download
memory/2932-68-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-16-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-3-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/2932-4-0x0000000008720000-0x0000000008950000-memory.dmp

Filesize
2.2MB

Download
memory/2932-5-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-14-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-6-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-8-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-10-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-12-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-18-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-24-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-22-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-26-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-20-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-64-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-28-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-30-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-32-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-34-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-42-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2932-2-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-66-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-38-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-60-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-4891-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-58-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-56-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-54-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-52-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-4893-0x00000000053E0000-0x000000000542C000-memory.dmp

Filesize
304KB

Download
memory/2932-4892-0x0000000004E00000-0x0000000004E6C000-memory.dmp

Filesize
432KB

Download
memory/2932-50-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-48-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-46-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-44-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-40-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-62-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-36-0x0000000008720000-0x000000000894A000-memory.dmp

Filesize
2.2MB

Download
memory/2932-4894-0x00000000747AE000-0x00000000747AF000-memory.dmp

Filesize
4KB

Download
memory/2932-4895-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-4896-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2932-4897-0x0000000005370000-0x00000000053C4000-memory.dmp

Filesize
336KB

Download
memory/2932-1-0x0000000001360000-0x00000000013BE000-memory.dmp

Filesize
376KB

Download
memory/2932-4917-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download