90a62b9bb4d3780c9dba60d8c6d4fc31d7a5e7b9b72fcc8d8b270d436f261de7

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 16:32

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General

Target

90a62b9bb4d3780c9dba60d8c6d4fc31d7a5e7b9b72fcc8d8b270d436f261de7.dll
Size

76KB
MD5

659a5a247238466f4616c4ea7fef2c05
SHA1

c51bffb6721d5dbf9613c2b119916f61e9900f0f
SHA256

90a62b9bb4d3780c9dba60d8c6d4fc31d7a5e7b9b72fcc8d8b270d436f261de7
SHA512

461dce0b9d5c7bd0877e90f4a355c894f14728a1f1c262137defc68a18b71d0ee0c5b5cf8e061cb6691472f734d441054cc6bf8ad10a8938a483f9b95b5504d6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZMVBMjJQ:c8y93KQjy7G55riF1cMo03KMjy

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/2016-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2016-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	2016	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	2016	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2412 wrote to memory of 2016	2412	rundll32.exe	30
PID 2016 wrote to memory of 2120	2016	rundll32.exe	31
PID 2016 wrote to memory of 2120	2016	rundll32.exe	31
PID 2016 wrote to memory of 2120	2016	rundll32.exe	31
PID 2016 wrote to memory of 2120	2016	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\90a62b9bb4d3780c9dba60d8c6d4fc31d7a5e7b9b72fcc8d8b270d436f261de7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\90a62b9bb4d3780c9dba60d8c6d4fc31d7a5e7b9b72fcc8d8b270d436f261de7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 276
    3⤵
    - Program crash
    PID:2120

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/2016-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2016-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2016-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2016-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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