agenttesla | a37430b286677bba2a12254179ffca2322d36d4187508b11fec9d1a0d3cddd9e

Analysis

max time kernel
44s
max time network
46s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 09:29

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General

Target

Reflex.exe
Size

1.8MB
MD5

06484bfa388d9f2135e5f15e702e02de
SHA1

44d655f3288a3e3f51f49e4cd1c7f46f39bdb07b
SHA256

a37430b286677bba2a12254179ffca2322d36d4187508b11fec9d1a0d3cddd9e
SHA512

5b706a8760ade159c058298284428846caec945f8d54dce41cffbc1616d74e95ebca59aec149b4ce9148e491781ea89a58bf2445c284f13a18da00b0cc25780f
SSDEEP

24576:W1RVOmZc0vDeij3KBHSMmITMvRFhRRbNWoCfkYSEH3OqtwIuX/1d:2RVOXfi03mITYbNbNWo4kSH3OqtwIU

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral1/memory/904-3-0x0000000005210000-0x0000000005424000-memory.dmp	family_agenttesla

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\IME\serials.bat	Reflex.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Reflex.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	Reflex.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	Reflex.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	Reflex.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	904	Reflex.exe

C:\Users\Admin\AppData\Local\Temp\Reflex.exe
"C:\Users\Admin\AppData\Local\Temp\Reflex.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/904-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/904-1-0x0000000001260000-0x0000000001428000-memory.dmp

Filesize
1.8MB

Download
memory/904-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/904-3-0x0000000005210000-0x0000000005424000-memory.dmp

Filesize
2.1MB

Download
memory/904-4-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/904-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/904-6-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/904-7-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download