b1b252735de4fb4b9962698915d4f14b0433c660094a93736df30f412d56428e

Analysis

max time kernel
17s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 22:21

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General

Target

b1b252735de4fb4b9962698915d4f14b0433c660094a93736df30f412d56428eN.dll
Size

76KB
MD5

87d5db8c86be6afef36db1aa48904060
SHA1

40e688dcb603ceebd26c3dfa933a0b071c07d004
SHA256

b1b252735de4fb4b9962698915d4f14b0433c660094a93736df30f412d56428e
SHA512

bc86b99b0b2a10acf0ff4660b1bbc0a2b81ecd9636377432036e34bd740383c706e5afb8f1dfd748f5f757f17826b6cfb7cdaa21c9d52456a0ac7a6726c5d1c2
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZCX5kmDb:c8y93KQjy7G55riF1cMo03exDb

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2364-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2364-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2352	2364	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	2364	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2508 wrote to memory of 2364	2508	rundll32.exe	30
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31
PID 2364 wrote to memory of 2352	2364	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1b252735de4fb4b9962698915d4f14b0433c660094a93736df30f412d56428eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1b252735de4fb4b9962698915d4f14b0433c660094a93736df30f412d56428eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 276
    3⤵
    - Program crash
    PID:2352

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/2364-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2364-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2364-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2364-3-0x0000000000070000-0x000000000007E000-memory.dmp

Filesize
56KB

Download
memory/2364-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download