b3ea6aae631491b2f00ac53ab4e26553bd6f87f1a01f8d23a0d18f88a47bbb4b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 23:58

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General

Target

b3ea6aae631491b2f00ac53ab4e26553bd6f87f1a01f8d23a0d18f88a47bbb4bN.dll
Size

76KB
MD5

ce8bcdbf5b0dd999053c267b7a12d750
SHA1

f7342b23041b0e0ad6099b679e9b6ad66189fa90
SHA256

b3ea6aae631491b2f00ac53ab4e26553bd6f87f1a01f8d23a0d18f88a47bbb4b
SHA512

08e482dbb8799164100e52249f81c00723c7f5aad985f8203003522aaf5b897ea10375e7a52ec8a1dc55826edc1312700c81b805e83ead6db9405ccf61f43602
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z9c:c8y93KQjy7G55riF1cMo03Dc

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2692-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2692-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2692-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2692-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	2692	WerFault.exe	30

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2692	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 1420 wrote to memory of 2692	1420	rundll32.exe	30
PID 2692 wrote to memory of 2808	2692	rundll32.exe	31
PID 2692 wrote to memory of 2808	2692	rundll32.exe	31
PID 2692 wrote to memory of 2808	2692	rundll32.exe	31
PID 2692 wrote to memory of 2808	2692	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3ea6aae631491b2f00ac53ab4e26553bd6f87f1a01f8d23a0d18f88a47bbb4bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3ea6aae631491b2f00ac53ab4e26553bd6f87f1a01f8d23a0d18f88a47bbb4bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 328
    3⤵
    - Program crash
    PID:2808

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

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Downloads

memory/2692-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2692-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2692-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2692-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2692-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download