1bd1d397c5cf58d05962532b166ce5ea2c430bea5d520e2331c0ded2ec6ea6be

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 02:59

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General

Target

1bd1d397c5cf58d05962532b166ce5ea2c430bea5d520e2331c0ded2ec6ea6beN.dll
Size

400KB
MD5

dfe87f544a934315c85f446c6bd73c50
SHA1

e8f55725901ea80292b377cd7a57442cb72ff26e
SHA256

1bd1d397c5cf58d05962532b166ce5ea2c430bea5d520e2331c0ded2ec6ea6be
SHA512

003fcfff2705cc65b42891a47d0e164e61562ceb2fe95152c3c4e23309aa1772fae54e35efb4a777f77f7ecc554fbcf9e89e8576b0667720b0642b5f73da8467
SSDEEP

6144:heGksMz1AMwFILbbOY6/fapGHioqs3SIGQ44o9XJ1+OB91Ztrf9mqJZvy:WX5GbPioB3mQBoZqw1dv

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1632-1-0x0000000010000000-0x0000000010086000-memory.dmp	upx
behavioral1/memory/1632-4-0x0000000010000000-0x0000000010086000-memory.dmp	upx

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31
PID 1320 wrote to memory of 1632	1320	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd1d397c5cf58d05962532b166ce5ea2c430bea5d520e2331c0ded2ec6ea6beN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1bd1d397c5cf58d05962532b166ce5ea2c430bea5d520e2331c0ded2ec6ea6beN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1632-0-0x00000000001B0000-0x00000000001F9000-memory.dmp

Filesize
292KB

Download
memory/1632-1-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/1632-3-0x000000001005A000-0x0000000010085000-memory.dmp

Filesize
172KB

Download
memory/1632-4-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download
memory/1632-5-0x0000000010000000-0x0000000010086000-memory.dmp

Filesize
536KB

Download