effdd767523df6a696238ff488df4dfdbf10e14a332b7cd9844d301378618946

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 04:39

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General

Target

effdd767523df6a696238ff488df4dfdbf10e14a332b7cd9844d301378618946.dll
Size

76KB
MD5

4eae7c91cee62029d9f29765b4679af9
SHA1

e6dd8ba0f72e5c14b484ee3012b84b656d949c39
SHA256

effdd767523df6a696238ff488df4dfdbf10e14a332b7cd9844d301378618946
SHA512

8443696dceb0d241de4d3f8da85963100292255c5ea341b4a708d2af8dbd1f7c5408882caaae1f810bde5c77cd856455e2e272a5298b3e52252fee4fe084b01d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zf:c8y93KQjy7G55riF1cMo03R

Score

5^/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/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2544-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	2544	WerFault.exe	31

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	2544	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2688 wrote to memory of 2544	2688	rundll32.exe	31
PID 2544 wrote to memory of 1724	2544	rundll32.exe	32
PID 2544 wrote to memory of 1724	2544	rundll32.exe	32
PID 2544 wrote to memory of 1724	2544	rundll32.exe	32
PID 2544 wrote to memory of 1724	2544	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\effdd767523df6a696238ff488df4dfdbf10e14a332b7cd9844d301378618946.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\effdd767523df6a696238ff488df4dfdbf10e14a332b7cd9844d301378618946.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 308
    3⤵
    - Program crash
    PID:1724

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/2544-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2544-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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