agenttesla | 480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e

Analysis

max time kernel
105s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2023 10:16

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General

Target

NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe
Size

5.2MB
MD5

6739c4558368ca1e2702256ff38b173e
SHA1

5c3fdc7abe581e99fd4b6e4dedc2df934dd6e571
SHA256

480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e
SHA512

59ba04a53948862f14eb66b24b7d96c5b333b111e31b85f7dc001ae5b9c644c80792cf520ffb0852067f4b8a84d160d6b2ff0fe6bed899a82fb13107fed05bcb
SSDEEP

49152:FST3/D3jRgpXQbrnX1bXDt5IR9HJhBwcA2fHPuFjyvx0UUeX0r4qCimrS9o2LEMt:ksrdMq5oqcXUfw/

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot6659517229:AAHsMaq2u4iOJbALq8B4B8LCwvPfy-kRYo0/

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CasPol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QAYhnM = "C:\\Users\\Admin\\AppData\\Roaming\\QAYhnM\\QAYhnM.exe"	CasPol.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

28 api.ipify.org
29 api.ipify.org

flow	ioc
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe

description	pid	process	target process
PID 4996 set thread context of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

CasPol.exe

pid process

2980 CasPol.exe
2980 CasPol.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CasPol.exe

description pid process

Token: SeDebugPrivilege 2980 CasPol.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CasPol.exe

pid process

2980 CasPol.exe

pid	process
2980	CasPol.exe
2980	CasPol.exe

description	pid	process
Token: SeDebugPrivilege	2980	CasPol.exe

pid	process
2980	CasPol.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe

description	pid	process	target process
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe
PID 4996 wrote to memory of 2980	4996	NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe	CasPol.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.480c40b5f2db0afbdfea03814510e4106ccac4fb4f7c3b694ddc0a09206d988e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2980

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

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2980-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2980-1-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2980-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/2980-3-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download
memory/2980-4-0x00000000054B0000-0x0000000005516000-memory.dmp

Filesize
408KB

Download
memory/2980-6-0x00000000069F0000-0x0000000006A40000-memory.dmp

Filesize
320KB

Download
memory/2980-7-0x0000000006AE0000-0x0000000006B7C000-memory.dmp

Filesize
624KB

Download
memory/2980-8-0x0000000006C20000-0x0000000006CB2000-memory.dmp

Filesize
584KB

Download
memory/2980-9-0x0000000006BB0000-0x0000000006BBA000-memory.dmp

Filesize
40KB

Download
memory/2980-10-0x0000000074780000-0x0000000074F30000-memory.dmp

Filesize
7.7MB

Download
memory/2980-11-0x0000000005520000-0x0000000005530000-memory.dmp

Filesize
64KB

Download