f15aa7aeb2703fc2934980ab1ca71cebcf0a2cb878a824ed9f1d2706ba147347

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 00:51

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General

Target

f15aa7aeb2703fc2934980ab1ca71cebcf0a2cb878a824ed9f1d2706ba147347.dll
Size

76KB
MD5

3e3390f0ffa81ff51772190db9ad178b
SHA1

2e6e701b15be233d6df33cf85f933e54b9210d18
SHA256

f15aa7aeb2703fc2934980ab1ca71cebcf0a2cb878a824ed9f1d2706ba147347
SHA512

ebb58816adc89054675447c4dd84e2d4b412eaa24286fcdad905080120645707293f2616da2c4ee0e26063143ae0f001c62ee7dc002d6e8f3a9ba47775cade23
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZeyFoP/C:c8y93KQjy7G55riF1cMo030RnC

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/1636-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1636-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	1636	WerFault.exe	28

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	1636	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 2468 wrote to memory of 1636	2468	rundll32.exe	28
PID 1636 wrote to memory of 2276	1636	rundll32.exe	29
PID 1636 wrote to memory of 2276	1636	rundll32.exe	29
PID 1636 wrote to memory of 2276	1636	rundll32.exe	29
PID 1636 wrote to memory of 2276	1636	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f15aa7aeb2703fc2934980ab1ca71cebcf0a2cb878a824ed9f1d2706ba147347.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f15aa7aeb2703fc2934980ab1ca71cebcf0a2cb878a824ed9f1d2706ba147347.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 328
    3⤵
    - Program crash
    PID:2276

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/1636-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1636-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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