b1b5f32019572e3c3088504adfe9024d56b4d92b8d671204a456203f410cb41b

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 01:43

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General

Target

b1b5f32019572e3c3088504adfe9024d56b4d92b8d671204a456203f410cb41b.dll
Size

76KB
MD5

adada38ea275b5371b24569c4fca9e12
SHA1

d642da1ad89dbb11d45a2fd2d01e40638ab90a18
SHA256

b1b5f32019572e3c3088504adfe9024d56b4d92b8d671204a456203f410cb41b
SHA512

9e53f51f335b06c476c6096c6088848bdfbc4138ab6e3c1a180ffb2b441f6ab3a10dc6fed8de10bea051277feda3e645cc5322f4996dde6e5dc9c535b9dd9073
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZEEAH:c8y93KQjy7G55riF1cMo03KEe

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/2284-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2284-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2280	2284	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	2284	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2136 wrote to memory of 2284	2136	rundll32.exe	28
PID 2284 wrote to memory of 2280	2284	rundll32.exe	29
PID 2284 wrote to memory of 2280	2284	rundll32.exe	29
PID 2284 wrote to memory of 2280	2284	rundll32.exe	29
PID 2284 wrote to memory of 2280	2284	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1b5f32019572e3c3088504adfe9024d56b4d92b8d671204a456203f410cb41b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1b5f32019572e3c3088504adfe9024d56b4d92b8d671204a456203f410cb41b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 308
    3⤵
    - Program crash
    PID:2280

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/2284-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2284-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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