f033bd4004fe487d4b001c64b8391d6bb793a550ca49c776f759b3e19efe07f3

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/12/2024, 06:25

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General

Target

f033bd4004fe487d4b001c64b8391d6bb793a550ca49c776f759b3e19efe07f3N.dll
Size

76KB
MD5

d51a570053547963445af807f8c8e1b0
SHA1

b173374949d1e7461c76333aed804c7c13e2654d
SHA256

f033bd4004fe487d4b001c64b8391d6bb793a550ca49c776f759b3e19efe07f3
SHA512

eb101f4d9c72bfdb881b2ed5a61413b4e64474214edd58a6eb42868ee438b1a699cc81b7d981de76fc95c046b8b6b54ba579ef5eb6fdc32b72ecd867317e699f
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZYvk:c8y93KQjy7G55riF1cMo03Uk

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/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2208	2380	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	2380	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 1936 wrote to memory of 2380	1936	rundll32.exe	30
PID 2380 wrote to memory of 2208	2380	rundll32.exe	31
PID 2380 wrote to memory of 2208	2380	rundll32.exe	31
PID 2380 wrote to memory of 2208	2380	rundll32.exe	31
PID 2380 wrote to memory of 2208	2380	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f033bd4004fe487d4b001c64b8391d6bb793a550ca49c776f759b3e19efe07f3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f033bd4004fe487d4b001c64b8391d6bb793a550ca49c776f759b3e19efe07f3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 304
    3⤵
    - Program crash
    PID:2208

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

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Downloads

memory/2380-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2380-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download