d4552c89459bc00c8ab6b35358d0fb5aeda427f3a2245bb07f7357f6dcc02f1d

Analysis

max time kernel
77s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/12/2024, 07:18

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General

Target

d4552c89459bc00c8ab6b35358d0fb5aeda427f3a2245bb07f7357f6dcc02f1d.dll
Size

76KB
MD5

090143de88e172ebb3dd84179925984b
SHA1

b0732ab8c63b24de47b79a1dc563ff63fa94ba9e
SHA256

d4552c89459bc00c8ab6b35358d0fb5aeda427f3a2245bb07f7357f6dcc02f1d
SHA512

1aec67f993e87a6fec2efd080fe047aab37f775f45e7336d34123b5ae21ca378e79f7984c14b1354f4628fa6a88e189fa6c47e522bd142162e3b2c4c88c1e56b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zr7Bf0URyba:c8y93KQjy7G55riF1cMo03x

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/764-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/764-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2652	764	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	764	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 2364 wrote to memory of 764	2364	rundll32.exe	31
PID 764 wrote to memory of 2652	764	rundll32.exe	32
PID 764 wrote to memory of 2652	764	rundll32.exe	32
PID 764 wrote to memory of 2652	764	rundll32.exe	32
PID 764 wrote to memory of 2652	764	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4552c89459bc00c8ab6b35358d0fb5aeda427f3a2245bb07f7357f6dcc02f1d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4552c89459bc00c8ab6b35358d0fb5aeda427f3a2245bb07f7357f6dcc02f1d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:764
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 764 -s 304
    3⤵
    - Program crash
    PID:2652

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/764-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/764-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download