b63af2fdfc8f5e394f68f2b5beb32c54ed811a3807b77d8d4200b234b256a248

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 11:42

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General

Target

b63af2fdfc8f5e394f68f2b5beb32c54ed811a3807b77d8d4200b234b256a248N.dll
Size

76KB
MD5

27eaab9cac3bb4f7905bad161d958640
SHA1

5a669283a70b7e92194def9796319892db68d32c
SHA256

b63af2fdfc8f5e394f68f2b5beb32c54ed811a3807b77d8d4200b234b256a248
SHA512

00b034b322bb370a7205322dbaf706928f7ea5d30e833132f7fd5c51e0d2a7a5fef5b63b8100e92258ee158c02b9490a03063698348f0f3429d6061d17c30c6a
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYauH9lLJuG:c8y93KQjy7G55riF1cMo03+auH9JcG

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2100-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2368	2100	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	2100	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 1788 wrote to memory of 2100	1788	rundll32.exe	30
PID 2100 wrote to memory of 2368	2100	rundll32.exe	31
PID 2100 wrote to memory of 2368	2100	rundll32.exe	31
PID 2100 wrote to memory of 2368	2100	rundll32.exe	31
PID 2100 wrote to memory of 2368	2100	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b63af2fdfc8f5e394f68f2b5beb32c54ed811a3807b77d8d4200b234b256a248N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b63af2fdfc8f5e394f68f2b5beb32c54ed811a3807b77d8d4200b234b256a248N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 328
    3⤵
    - Program crash
    PID:2368

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/2100-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2100-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download