5c3e355515195d2139c65fda5bbf3c011cf68da77992ab2871e6e69520152357

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 18:10

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General

Target

5c3e355515195d2139c65fda5bbf3c011cf68da77992ab2871e6e69520152357.dll
Size

76KB
MD5

aeb98d3c0a284a96d2deea5184d28b4f
SHA1

e1348c0441b6934e1449ea31dc0a7674ef046699
SHA256

5c3e355515195d2139c65fda5bbf3c011cf68da77992ab2871e6e69520152357
SHA512

af7fb99e54273f502fe7ec1a574d998a543ad23af5ad271fbc1d714b68840c5c00aee53717cbd884233c74722e8c4d4ee01faa394f8c30ba51275fc59fda52d9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZqAd10:c8y93KQjy7G55riF1cMo038AX0

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/2596-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2596-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2596-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2596-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2236	2596	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	2596	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2592 wrote to memory of 2596	2592	rundll32.exe	30
PID 2596 wrote to memory of 2236	2596	rundll32.exe	31
PID 2596 wrote to memory of 2236	2596	rundll32.exe	31
PID 2596 wrote to memory of 2236	2596	rundll32.exe	31
PID 2596 wrote to memory of 2236	2596	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c3e355515195d2139c65fda5bbf3c011cf68da77992ab2871e6e69520152357.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c3e355515195d2139c65fda5bbf3c011cf68da77992ab2871e6e69520152357.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 332
    3⤵
    - Program crash
    PID:2236

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/2596-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2596-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2596-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2596-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2596-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download