82b64b77d0723388fbefd41fcd58010b2415748f60d5681c9ff8faca9cd791bd

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 17:34

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General

Target

stub.exe
Size

632KB
MD5

5c6e32d6dfb5bad80129574cc90a3461
SHA1

1febedd13b1005d3f4a380de56e68cba0decb029
SHA256

729602d72845112d02388d95f9edd929909531743d90045d86e519f38c83d77d
SHA512

e979d993dadd18c97dcf3024b846eb8c5b8e78f8941a5dfe0a40d99286b198083e359b8e32cfe3848a1a88bbcfc2a3523de9434acc15d481cc8bbf4330ccdc6d
SSDEEP

12288:zhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aBgSuq7:5RmJkcoQricOIQxiZY1iaqrq7

Score

7^/10

discovery

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\eguinode32.lnk	stub.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1280 set thread context of 1920	1280	stub.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	stub.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31
PID 1280 wrote to memory of 1920	1280	stub.exe	31

C:\Users\Admin\AppData\Local\Temp\stub.exe
"C:\Users\Admin\AppData\Local\Temp\stub.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\Explorer.exe
  "C:\Windows\Explorer.exe"
  2⤵
  PID:1920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1920-10-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1920-6-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1920-4-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

Download
memory/1920-2-0x0000000000400000-0x0000000000404000-memory.dmp

Filesize
16KB

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