154f09e92946c381fb0ad8674db298ab479bb6575eec9056a594896929f08793

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
17-12-2024 00:18

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General

Target

154f09e92946c381fb0ad8674db298ab479bb6575eec9056a594896929f08793.dll
Size

76KB
MD5

b5457e842f9937261ca643326cb1b161
SHA1

1dfe92b4f756bafa61aa6931e522d7a1f93a37c1
SHA256

154f09e92946c381fb0ad8674db298ab479bb6575eec9056a594896929f08793
SHA512

eaccf57d60c042f5cc38d297afd491caaf3c13c9970affbcf1befe07d4f07db987bd95c3bd4c0a9a3c881c55f050907fceca948feced2141dcb4133b09a0a4b9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZuKQ9:c8y93KQjy7G55riF1cMo034KQ9

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/2756-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2756-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2756-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2756-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2948	2756	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	2756	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2676 wrote to memory of 2756	2676	rundll32.exe	30
PID 2756 wrote to memory of 2948	2756	rundll32.exe	31
PID 2756 wrote to memory of 2948	2756	rundll32.exe	31
PID 2756 wrote to memory of 2948	2756	rundll32.exe	31
PID 2756 wrote to memory of 2948	2756	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\154f09e92946c381fb0ad8674db298ab479bb6575eec9056a594896929f08793.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\154f09e92946c381fb0ad8674db298ab479bb6575eec9056a594896929f08793.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 264
    3⤵
    - Program crash
    PID:2948

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/2756-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2756-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2756-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2756-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download