agenttesla | 1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
06-06-2024 13:51

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General

Target

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
Size

75KB
MD5

f6453b75c24aae8d40afdeefcf2691bb
SHA1

a8c061047924988e352bdb5d78bb55fcdba652dc
SHA256

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890
SHA512

ba2174251c57c2aeb3ea827d064f6b57a5f9614056a9e317d8b644c24b263cde8521158546083cf7c062ed649f32bf96aa2cb3f67193dad7ca43aa24d09b136a
SSDEEP

1536:UV7Jb80XjSBQ9NFxpeiAxWl4w9M1Sr7dCqVEFvOhfjfDWb:M7J19vf5sPN1SvdCqVCWhfbo

Score

10^/10

agenttesla purelogstealer keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtps.aruba.it
Port:
587
Username:
[email protected]
Password:
Franco2016!
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

Processes:

resource yara_rule

behavioral2/memory/4216-1-0x0000000000730000-0x000000000074A000-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/4216-1-0x0000000000730000-0x000000000074A000-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:

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Skypee = "C:\\Users\\Admin\\AppData\\Roaming\\Skypee.exe"	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.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.

Processes:

flow ioc

36 api.ipify.org
35 api.ipify.org

flow	ioc
36	api.ipify.org
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

description	pid	process	target process
PID 4216 set thread context of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

pid process

3464 1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
3464 1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

pid	process
3464	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
3464	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

description	pid	process
Token: SeDebugPrivilege	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
Token: SeDebugPrivilege	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
Token: SeDebugPrivilege	3464	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

description	pid	process	target process
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
PID 4216 wrote to memory of 3464	4216	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe	1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

C:\Users\Admin\AppData\Local\Temp\1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
"C:\Users\Admin\AppData\Local\Temp\1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216

C:\Users\Admin\AppData\Local\Temp\1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe
"C:\Users\Admin\AppData\Local\Temp\1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3464

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe.log
Filesize
1KB

MD5
f3eb81974dc5933681e933f07209ff5f

SHA1
7af8cae0f1d03e82daaf784df9886705685baac7

SHA256
e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

SHA512
d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

Download Submit
memory/3464-4903-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-4902-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3464-4905-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-4904-0x0000000005390000-0x00000000053F6000-memory.dmp

Filesize
408KB

Download
memory/3464-4909-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/3464-4908-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download
memory/3464-4907-0x0000000006B00000-0x0000000006B9C000-memory.dmp

Filesize
624KB

Download
memory/3464-4906-0x0000000006A10000-0x0000000006A60000-memory.dmp

Filesize
320KB

Download
memory/4216-50-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-40-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-6-0x0000000007A40000-0x0000000007AD2000-memory.dmp

Filesize
584KB

Download
memory/4216-14-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-23-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-26-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-36-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-44-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-60-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-70-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-68-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-66-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-64-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-62-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-58-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-56-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-54-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-4-0x0000000007670000-0x00000000078A0000-memory.dmp

Filesize
2.2MB

Download
memory/4216-48-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-46-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-42-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-52-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-38-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-5-0x0000000007E50000-0x00000000083F4000-memory.dmp

Filesize
5.6MB

Download
memory/4216-34-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-32-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-30-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-28-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-24-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-20-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-18-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-16-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-12-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-10-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-7-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-8-0x0000000007670000-0x000000000789B000-memory.dmp

Filesize
2.2MB

Download
memory/4216-4893-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/4216-4894-0x00000000059D0000-0x0000000005A3C000-memory.dmp

Filesize
432KB

Download
memory/4216-4895-0x0000000005AC0000-0x0000000005B0C000-memory.dmp

Filesize
304KB

Download
memory/4216-3-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/4216-2-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/4216-1-0x0000000000730000-0x000000000074A000-memory.dmp

Filesize
104KB

Download
memory/4216-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/4216-4896-0x0000000005B50000-0x0000000005BA4000-memory.dmp

Filesize
336KB

Download
memory/4216-4901-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download