d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39

Analysis

max time kernel
16s
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 19:20

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General

Target

d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll
Size

76KB
MD5

3968ecdb330f07e3092f8e00444ff930
SHA1

3af3863e535b5a4612e08ce62db5ed4b930a307b
SHA256

d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39
SHA512

ba68f8cc8c3d4c07a3fc1c75e97790b81b606b8ed0d2faed1d606077dea288b3c7f06fcd37fde6b230f3237b3b9852180374be01f7bf94005659d91ef30785ab
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZSRpZ:c8y93KQjy7G55riF1cMo03SZ

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/2120-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2120-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1700	2120	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	2120	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2960 wrote to memory of 2120	2960	rundll32.exe	30
PID 2120 wrote to memory of 1700	2120	rundll32.exe	31
PID 2120 wrote to memory of 1700	2120	rundll32.exe	31
PID 2120 wrote to memory of 1700	2120	rundll32.exe	31
PID 2120 wrote to memory of 1700	2120	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d58a5e2b32a0b43e65e7ac4f2c93a5e98f5ed2a8a30ede35a007ae55af4c9f39N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 304
    3⤵
    - Program crash
    PID:1700

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/2120-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2120-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download